CN219316962U

CN219316962U - Inverted arch form

Info

Publication number: CN219316962U
Application number: CN202223586726.7U
Authority: CN
Inventors: 张文俊; 秦鑫; 王斌; 刘骁; 范维全; 蔡勇晋; 李素坤
Original assignee: Yunnan Construction Investment Construction Machinery Co ltd
Current assignee: Yunnan Construction Investment Construction Machinery Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-07
Anticipated expiration: 2032-12-30

Abstract

The inverted arch formwork is characterized by comprising a left formwork and a right formwork, wherein a bottom longitudinal beam is fixedly arranged above the left formwork and the right formwork respectively, a first end piece is fixedly arranged at the front end of the bottom longitudinal beam, a second end piece is fixedly arranged at the rear end of the bottom longitudinal beam, a first telescopic seat capable of adjusting the supporting height is fixedly arranged at the end part of the first end piece, and a second telescopic seat capable of adjusting the supporting height is fixedly arranged at the outer side of the first end piece; a third telescopic seat with adjustable supporting height is fixedly arranged at the end part of the second end piece, and a fourth telescopic seat with adjustable supporting height is fixedly arranged at the outer side of the second end piece; the bottoms of the third telescopic seat and the fourth telescopic seat are fixedly provided with a first screw rod supporting seat. The inverted arch template has high integrity, does not need to be manufactured on site, and has high construction efficiency; in addition, the whole inverted arch template is made of a steel structure, and the rigidity and the strength of the inverted arch template are high, so that the construction requirements can be met.

Description

Inverted arch form

Technical Field

The utility model relates to the field of building construction, in particular to an inverted arch template.

Background

Inverted arches are one of the main components of tunnel structures, which are inverted arches provided at the bottom of the tunnel to improve the stress conditions of the upper support structure, colloquially interpreted as upwardly-pitched arches. In inverted arch construction, an inverted arch form is required. In the traditional construction, the wooden forms are often assembled on site, so that the construction difficulty is high, the construction efficiency is low, and the rigidity and strength of the formwork are low so that the construction requirement is difficult to reach.

Disclosure of Invention

The present utility model aims to solve the above problems and to provide a high strength, unitary inverted arch form.

In order to solve the problems, the utility model provides an inverted arch template, which is characterized by comprising a left template and a right template, wherein a bottom girder is fixedly arranged above the left template and the right template respectively, a first end piece is fixedly arranged at the front end of the bottom girder, a second end piece is fixedly arranged at the rear end of the bottom girder, a first telescopic seat with adjustable supporting height is fixedly arranged at the end part of the first end piece, and a second telescopic seat with adjustable supporting height is fixedly arranged at the outer side of the first end piece; a third telescopic seat with adjustable supporting height is fixedly arranged at the end part of the second end piece, and a fourth telescopic seat with adjustable supporting height is fixedly arranged at the outer side of the second end piece; the bottoms of the third telescopic seat and the fourth telescopic seat are fixedly provided with a first screw rod supporting seat.

Further, a plurality of first connecting lugs distributed along the length direction of the left template and the right template are fixedly arranged on two sides of the left template and the right template, and a plurality of second connecting lugs distributed along the length direction of the bottom longitudinal beam are fixedly arranged on two sides of the bottom longitudinal beam; and a screw rod is connected between the first connecting lug part and the second connecting lug part.

Further, a first oil cylinder is fixedly arranged on the first end piece, one end of the first oil cylinder is fixedly connected with the first end piece, and the other end of the first oil cylinder can be supported on the ground.

Further, a second oil cylinder is fixedly arranged on the second end piece, one end of the second oil cylinder is fixedly connected with the second end piece, the other end of the second oil cylinder is fixedly connected with a second screw rod supporting seat, and the other end of the second screw rod supporting seat can be supported on the ground.

Further, a third screw rod supporting seat is fixedly arranged at the bottom of the first end piece, the top end of the third screw rod supporting seat is fixedly connected with the bottom of the first end piece, and the bottom end of the third screw rod supporting seat can be supported on the ground.

Further, the first end piece and the second end piece respectively comprise a main body part, a supporting plate and an inclined connecting plate, wherein the main body part is formed by welding steel plates, the inside of the main body part is hollow, and two ends of the main body part along the length direction are respectively provided with a plurality of screw holes distributed along the vertical direction; the supporting plate is vertically fixedly connected to the side face of the main body part; the oblique connecting plate is fixedly connected to the end part of the supporting plate and is inclined to the supporting plate, and a plurality of screw holes are formed in the oblique connecting plate.

Further, be equipped with the hydro-cylinder installation cavity that sets up along vertical direction on the main part, the hydro-cylinder installation cavity link up the upper and lower both ends of main part the top of hydro-cylinder installation cavity is equipped with the top fishplate bar, the top fishplate bar with the top of main part is connected be equipped with a plurality of screw on the top fishplate bar.

Further, the first telescopic seat and the third telescopic seat respectively comprise a first outer telescopic sleeve and a first inner telescopic sleeve, the first outer telescopic sleeve comprises a first rectangular sleeve part with two open ends and first connecting parts arranged on two sides of the rectangular sleeve part, a plurality of screw holes distributed along the height direction are respectively arranged on the first rectangular sleeve part and the first connecting parts, and the first connecting parts are in fit connection with the end parts of the main body part through bolts; the first inner telescopic sleeve comprises a first long cylinder part which can be inserted into the rectangular sleeve part and a horizontal end plate part connected to the bottom end of the first long cylinder part; the first long cylinder part is provided with a plurality of screw holes distributed along the height direction; the supporting height can be adjusted by inserting bolts into screw holes at different heights of the first inner telescopic sleeve and the first outer telescopic sleeve.

Further, the second telescopic seat and the fourth telescopic seat respectively comprise a second outer telescopic sleeve and a second inner telescopic sleeve, the second outer telescopic sleeve comprises a second rectangular sleeve part with two open ends and second connecting parts arranged on two sides of the second rectangular sleeve part, a plurality of screw holes distributed along the height direction are respectively arranged on the second rectangular sleeve part and the second connecting parts, and the second connecting parts are in fit connection with the inclined connecting plates through bolts; the second inner telescopic sleeve comprises a second long cylinder part which can be inserted into the second rectangular sleeve part and an inclined end plate part which is connected with the bottom end of the second long cylinder part; the second long cylinder part is provided with a plurality of screw holes distributed along the height direction; the supporting height can be adjusted by inserting bolts into screw holes at different heights of the second inner telescopic sleeve and the second outer telescopic sleeve.

Further, the left template and the right template respectively and sequentially comprise a vertical plate part, a horizontal plate part, an arc plate part and a side plate part, wherein the vertical plate part is L-shaped and is fixedly connected with the horizontal plate part vertically, the arc plate part is arched towards the direction far away from the ground, and the side plate part is fixedly connected with the edge of the arc plate part vertically.

The present utility model has an advantageous contribution in that it effectively solves the above-mentioned problems. The inverted arch template has high integrity, does not need to be manufactured on site, and has high construction efficiency; in addition, the whole inverted arch template is made of a steel structure, and the rigidity and the strength of the inverted arch template are high, so that the construction requirements can be met.

Drawings

Fig. 1 is a schematic diagram of the overall structure.

Fig. 2 is a front view of the overall structure.

Fig. 3 is a front end schematic.

Fig. 4 is a partial enlarged view of fig. 3.

Fig. 5 is a back-end schematic.

Fig. 6 is a partial enlarged view of fig. 5.

Fig. 7 is a schematic cross-sectional view of the left and right templates.

Fig. 8 is a schematic structural view of the side sill.

Fig. 9 is a schematic structural view of the first and second end pieces.

Fig. 10 is a front view of the first and second end pieces.

Fig. 11 is a schematic structural view of the first telescopic seat and the third telescopic seat.

Fig. 12 is a schematic structural view of the second telescopic seat and the fourth telescopic seat.

Fig. 13 is a cross-sectional view of the first screw support, the second screw support, and the third screw support.

The attached drawings are identified: left template 11, right template 12: a first connecting lug 101, a vertical plate 102, a horizontal plate 103, an arc plate 104, a side plate 105, a channel 106, and a web 107;

a screw 20;

bottom rail 30: a second connecting ear 301, a top plate 302, a bottom plate 303, a front end plate 304, a rear end plate 305, and side plates 306;

first end piece 41, second end piece 42: a main body 401, an upper end plate 4011, a lower end plate 4012, a front seal plate 4013, a rear seal plate 4014, a wing plate 4015, an oil cylinder mounting chamber 4016, a middle plate 4017, a top plate 4018, a support plate 402, an oblique connection plate 403,

First telescopic seat 51, third telescopic seat 52: a first outer telescoping sleeve 501, a first rectangular sleeve portion 5011, a first connecting portion 5012, a first inner telescoping sleeve 502, a first long tube portion 5021, a horizontal end plate portion 5022,

Second telescopic seat 61, fourth telescopic seat 62: second outer telescopic sleeve 601, second rectangular sleeve portion 6011, second connecting portion 6012, second inner telescopic sleeve 602, second long tube portion 6021, inclined end plate portion 6022,

Upright post 70: an upper seal plate 71 and a lower seal plate 72;

first screw supporting seat 81, second screw supporting seat 82, third screw supporting seat 83: an upper connecting plate 801, a lower connecting plate 802, a ring-shaped connecting pipe 8021, a fixed sleeve 803, a screw 804, a positioning shaft shoulder 8041, a nut 805 and a reinforcing rib plate 806;

a first cylinder 91, a second cylinder 92, and a travelling wheel 100.

Detailed Description

The following examples are further illustrative and supplementary of the present utility model and are not intended to limit the utility model in any way.

As shown in fig. 1 to 13, the inverted arch form of the present utility model includes a left form 11 and a right form 12. A side sill 30 is fixedly provided above the left and

right templates

11 and 12, respectively. A first end piece 41 is fixed to the front end of the side sill 30, and a second end piece 42 is fixed to the rear end of the side sill 30.

A first telescopic seat 51 with adjustable supporting height is fixedly arranged at the end part of the first end piece 41, and a second telescopic seat 61 with adjustable supporting height is fixedly arranged at the outer side of the first end piece 41. The bottoms of the first telescopic seat 51 and the second telescopic seat 61 are provided with travelling wheels 100 which can travel on the poured ground.

A third telescopic seat 52 with adjustable supporting height is fixedly arranged at the end part of the second end piece 42, and a fourth telescopic seat 62 with adjustable supporting height is fixedly arranged at the outer side of the second end piece 42; the bottoms of the third telescopic seat 52 and the fourth telescopic seat 62 are respectively fixedly provided with a first screw rod supporting seat 81. The first screw supporting seat 81 is used for supporting on the non-poured ground.

Further, a first cylinder 91 is fixedly provided to the first head member 41 and a second cylinder 92 is fixedly provided to the second head member 42 for lifting the whole inverted arch form. One end of the first cylinder 91 is fixedly connected with the first end piece 41, and the other end of the first cylinder 91 is supported on the poured ground. One end of the second oil cylinder 92 is fixedly connected with the second end piece 42, the other end of the second oil cylinder 92 is fixedly connected with the second screw rod supporting seat 82, and the bottom end of the second screw rod supporting seat 82 is supported on the non-poured ground.

Further, for the purpose of stable support, a third screw support seat 83 is fixedly provided at the bottom of the first end piece 41. The top end of the third screw supporting seat 83 is fixedly connected with the bottom of the first end piece 41, and the bottom end of the third screw supporting seat 83 can be supported on the poured ground.

Further, in order to secure structural strength of the inverted arch form, screw rods 20 are connected between the side sill 30 and the left form 11, and between the side sill 30 and the right form 12. Specifically, a plurality of first connection lugs 101 distributed along the length direction are fixedly arranged at two sides of the left template 11 and the right template 12, a plurality of second connection lugs 301 distributed along the length direction are fixedly arranged at two sides of the side sill 30, and a screw rod 20 is connected between the first connection lugs 101 and the second connection lugs 301.

Further, the side sill 30 is fixedly connected with the left template 11 and the right template 12 through a vertical column 70. The top of the upright post 70 is vertically and fixedly connected with the bottom of the side sill 30, and the bottom of the upright post 70 is vertically and fixedly connected with the left template 11 and the right template 12.

For a more detailed description of the structure, the following description is given of specific embodiments:

left template 11, right template 12:

as shown in fig. 1 to 7, the left and

right templates

11 and 12 include a vertical plate portion 102, a horizontal plate portion 103, an arc plate portion 104, and a side plate 306 portion 105, respectively, in this order. The vertical plate part 102 is vertically arranged, the horizontal plate part 103 is horizontally arranged, and the vertical plate part 102 is vertically and fixedly connected with the horizontal plate part 103 to form an L shape. The arc plate 104 is arched away from the ground, and the degree of arch is set according to the inverted arch parameters of the required construction. The side plate 306 is inclined and fixedly connected with the edge of the arc plate 104.

The vertical plate 102, the horizontal plate 103, the arc plate 104, and the side plate 306 105 may be welded from steel plates. In this embodiment, the horizontal plate portion 103 and the arc plate portion 104 may be formed by bending a single steel plate, and the vertical plate portion 102 and the side plate 306 portion 105 are vertically welded to both sides thereof, respectively.

Further, to enhance the structural strength, a plurality of channel steels 106 may be disposed on the surfaces of the vertical plate 102, the horizontal plate 103, the arc plate 104, and the side plate 306. The channel steel 106 is provided along the longitudinal direction of the left and

right templates

11 and 12, and is welded to the steel plates of the vertical plate portion 102, the horizontal plate portion 103, the arc plate portion 104, and the side plate 306.

Further, the webs 107 may be welded to the front and rear ends, and the left and right sides of the vertical plate 102, the horizontal plate 103, the arc plate 104, the

side plates

306, 105, and the channel 106, respectively.

Further, rib plates can be welded between the vertical plate part 102, the horizontal plate part 103, the arc plate part 104, the side plate 306 part 105 and the channel steel 106. The gusset is spaced apart and perpendicular to the channel 106.

In order to facilitate the arrangement of the screw rod 20, a plurality of first connecting lugs 101 distributed along the length direction are respectively arranged on the web 107 at the top of the vertical plate part 102 and the side plate 306 part 105.

Upright post 70:

as shown in fig. 1 to 7, the upright posts 70 are arranged on the rib plates on the horizontal plate portions 103 of the left and

right templates

11 and 12 at intervals, and are arranged vertically to support the side sill 30.

The upright post 70 is formed by welding a plurality of steel plates, and the main body of the upright post is in a hollow rectangular column shape. The top of the upright post 70 is provided with an upper sealing plate 71, and the bottom of the upright post 70 is provided with a lower sealing plate 72. The upper seal plate 71 and the lower seal plate 72 are steel plates, and are welded at the upper end and the lower end of the rectangular columnar body.

The upper sealing plate 71 is provided with a plurality of screw holes for fixedly connecting with the bottom of the side sill 30 by bolts. The lower sealing plate 72 is provided with a plurality of screw holes for fixedly connecting with the left and

right templates

11 and 12 through bolts.

Bottom rail 30:

as shown in fig. 1 to 6, two side sills 30 are provided, which are provided on the left and

right templates

11 and 12, respectively.

The side sill 30 has a length substantially identical to the lengths of the left and

right templates

11 and 12, and is fixedly provided on top of the pillar 70 to be spaced apart from the left and

right templates

11 and 12 in parallel.

As shown in fig. 1 and 8, the side sill 30 includes a top plate 302, a bottom plate 303, a front end plate 304, a rear end plate 305, and side plates 306. The side plates 306 are provided with two blocks which are vertically arranged and are spaced in parallel. The length of the side plate 306 is substantially identical to the lengths of the left and

right templates

11 and 12.

The top plate 302 and the bottom plate 303 are horizontally arranged, and are vertically and fixedly connected to the top and the bottom of the side plate 306. The front end plate 304 and the rear end plate 305 are vertically arranged, and are vertically and fixedly connected to the front end and the rear end of the side plate 306. And the ends of the top plate 302, bottom plate 303, front end plate 304, rear end plate 305 are connected to each other.

In this embodiment, the top plate 302, the bottom plate 303, the front end plate 304, the rear end plate 305, and the side plates 306 are steel plates, which are welded together.

Further, for convenience of connection with the upright post 70, the width of the bottom plate 303 is greater than the distance between the side plates 306, so that two sides of the bottom plate 303 extend out of two sides of the side plates 306 respectively, and a plurality of screw holes distributed along the length direction are formed on the edge of the bottom plate 303, and can be fixedly connected with the upright post 70 through bolts.

Further, for facilitating connection with the first end piece 41, the width of the front end plate 304 is greater than the distance between the side plates 306, so that two sides of the front end plate 304 extend out of two sides of the side plates 306 respectively, and a plurality of screw holes distributed along the vertical direction are formed in the edge of the front end plate 304, and the screw holes can be fixedly connected with the first end piece 41 through bolts.

Further, for facilitating connection with the second end piece 42, the width of the rear end plate 305 is greater than the distance between the side plates 306, so that two sides of the rear end plate 305 extend out of two sides of the side plates 306, and a plurality of screw holes distributed along the vertical direction are formed on the edge of the rear end plate 305, and can be fixedly connected with the second end piece 42 through bolts.

In order to facilitate the installation of the screw rod 20 and the connection between the left template 11 and the right template 12, a plurality of second connecting lugs 301 distributed along the length direction are arranged on the surface of the side plate 306.

First end piece 41, second end piece 42:

as shown in fig. 1 to 6, the first end members 41 are provided with 2, and are fixedly connected to the front ends of the 2 side sills 30 by bolts, respectively. The second end pieces 42 are provided in 2, and are fixedly connected to the rear ends of the 2 side sills 30 by bolts, respectively. As shown in fig. 1, 9 and 10, the first and

second end members

41 and 42 have substantially the same structure, and each includes a main body 401, a support plate 402 and an inclined connecting plate 403.

The main body 401 is formed by welding steel plates, and has a hollow interior, and two ends along the length direction of the main body are respectively provided with a plurality of screw holes distributed along the vertical direction, which are used for fixedly connecting with the side sill 30 through bolts.

In this embodiment, as shown in fig. 9 and 10, the main body 401 includes an upper end plate 4011, a lower end plate 4012, a front seal plate 4013, a rear seal plate 4014, and a wing plate 4015. The wing plate 4015 is provided with two wing plates which are vertically arranged and are parallel to each other at intervals. The upper end plate 4011 and the lower end plate 4012 are horizontally arranged and are vertically fixedly connected to the top and the bottom of the wing plate 4015. The front sealing plate 4013 and the rear sealing plate 4014 are vertically arranged and are vertically and fixedly connected to the front end and the rear end of the wing plate 4015. And the ends of the upper end plate 4011, the lower end plate 4012, the front seal plate 4013, and the rear seal plate 4014 are connected to each other.

The upper end, the lower end plate 4012, the front sealing plate 4013, the rear sealing plate 4014 and the wing plates 4015 are made of steel plates, and are connected together through welding.

Further, for convenience of connection with the third screw supporting seat 83, the width of the lower end plate 4012 is greater than the distance between the wing plates 4015, so that two sides of the lower end plate 4012 extend out of two sides of the wing plates 4015 respectively, and a plurality of screw holes distributed along the length direction are formed in the edge of the lower end plate 4012, and the screw holes can be fixedly connected with the third screw supporting seat 83 through bolts.

Further, for facilitating connection with the side sill 30, the widths of the front sealing plate 4013 and the rear sealing plate 4014 are larger than the distance between the wing plates 4015, so that two sides of the front sealing plate 4013 and the rear sealing plate 4014 extend out of two sides of the wing plates 4015 respectively, and a plurality of screw holes distributed along the vertical direction are formed in the edges of the front sealing plate 4013 and the rear sealing plate 4014, and the screw holes can be fixedly connected with the front end plate 304, the rear end plate 305, the first telescopic seat 51 and the third telescopic seat 52 of the side sill 30 through bolts.

The support plate 402 is vertically fixed to a side surface of the main body 401. In this embodiment, the support plate 402 has two support plates, which are spaced apart in parallel and are vertically fixed to the wing plate 4015.

The oblique connecting plate 403 is fixedly connected to the end of the supporting plate 402 and is inclined to the supporting plate 402. The oblique connection plate 403 is oriented in the direction of the arc plate portion 104 of the left and

right templates

11 and 12, and is used for obliquely connecting the second telescopic seat 61. The oblique connecting plate 403 is inclined with respect to the horizontal direction and the vertical direction. For convenience of connection, a plurality of screw holes are formed in the oblique connection plate 403, and the screw holes are used for connecting with the second telescopic seat 61 through bolts.

Further, in order to facilitate the arrangement of the first cylinder 91 and the second cylinder 92, a cylinder installation cavity 4016 arranged along the vertical direction is provided on the main body 401. The cylinder mounting chamber 4016 penetrates the upper and lower ends of the main body 401. In this embodiment, two spaced intermediate plates 4017 are welded vertically between the wing plates 4015, and then openings are made in the upper and

lower end plates

4011, 4012, so that the cylinder mounting chamber 4016 is formed between the upper and

lower end plates

4011, 4012, the wing plates 4015, and the intermediate plates 4017.

For convenient installation, a top connection plate 4018 is arranged at the top of the oil cylinder installation cavity 4016. The top plate 4018 is welded at the opening of the upper end plate 4011, and is provided with a plurality of screw holes for connecting with the first cylinder 91 and the second cylinder 92 by bolts.

First telescopic seat 51, third telescopic seat 52:

as shown in fig. 1 to 6, the first telescopic seats 51 are provided with 2, which are respectively connected to the ends of the 2 first end pieces 41. The third telescopic seats 52 are provided with 2, which are respectively connected to the ends of the 2 second end pieces 42. In other words, the first telescopic seat 51 and the third telescopic seat 52 are provided at both front and rear ends of the inverted arch form for supporting.

The supporting heights of the first telescopic seat 51 and the third telescopic seat 52 are adjustable, so that the supporting heights can be adjusted according to actual needs.

As shown in fig. 11, the first telescopic seat 51 and the third telescopic seat 52 have the same structure, and each of them includes a first outer telescopic sleeve 501 and a first inner telescopic sleeve 502. The first inner telescopic sleeve 502 may be sleeved in the first outer telescopic sleeve 501.

The first outer telescopic sleeve 501 comprises a first rectangular sleeve portion 5011 with two open ends and first connecting portions 5012 arranged on two sides of the first rectangular sleeve portion 5011, wherein a plurality of screw holes distributed along the height direction are respectively arranged on the first rectangular sleeve portion 5011 and the first connecting portions 5012, and the first connecting portions 5012 are in fit connection with the end portions of the main body portion 401 through bolts; specifically, the first connecting portion 5012 of the first telescopic seat 51 is attached to the front sealing plate 4013 of the first end member 41 by bolts; the first connecting portion 5012 of the third telescopic bracket 52 is attached to the rear seal plate 4014 of the second end member 42 by bolts.

In this embodiment, the first rectangular sleeve portion 5011 and the first connecting portion 5012 are welded together from four steel plates.

The first inner telescopic sleeve 502 includes a first long tube portion 5021 which can be inserted into the rectangular sleeve portion and a horizontal end plate portion 5022 which is connected to the bottom end of the first long tube portion 5021; a plurality of screw holes distributed along the height direction are arranged on the first long barrel 5021;

in this embodiment, the first long tube 5021 is formed by welding 4 steel plates, and has a rectangular tubular shape and a hollow interior.

The horizontal end plate 5022 is made of a steel plate, and is welded at the bottom end of the first long cylinder 5021, four edges of the horizontal end plate 5022 respectively extend out of the first long cylinder 5021, and a plurality of screw holes are formed in the horizontal end plate 5022 and are used for installing the travelling wheels 100.

Because the first rectangular sleeve portion 5011 and the first long sleeve portion 5021 are respectively provided with a plurality of screw holes distributed along the height direction, the supporting height can be adjusted by inserting bolts into the screw holes at different heights.

Second telescopic seat 61, fourth telescopic seat 62:

as shown in fig. 1 to 6, the second telescopic seats 61 are provided with 2, which are respectively connected to the side surfaces of the 2 first end pieces 41. The fourth telescopic seats 62 are provided in 2 numbers, which are respectively connected to the sides of the 2 second end pieces 42. More specifically, the second telescopic seat 61 and the fourth telescopic seat 62 are connected to the first end piece 41 and the second end piece 42 at the oblique connecting plate 403, which is used for lateral support.

The supporting heights of the second telescopic seat 61 and the fourth telescopic seat 62 are adjustable, so that the supporting heights can be adjusted according to actual needs.

As shown in fig. 12, the second telescopic seat 61 and the fourth telescopic seat 62 have the same structure, and each of them includes a second outer telescopic sleeve 601 and a second inner telescopic sleeve 602. The second inner telescoping sleeve 602 may be nested within the second outer telescoping sleeve 601.

The second outer telescopic sleeve 601 comprises a second rectangular sleeve portion 6011 with two open ends and second connecting portions 6012 arranged on two sides of the second rectangular sleeve portion 6011, and a plurality of screw holes distributed along the height direction are respectively formed in the second rectangular sleeve portion 6011 and the second connecting portions 6012. The second connecting portion 6012 is attached to the oblique connecting plate 403 by bolts; specifically, the second connection portion 6012 of the second telescopic seat 61 is attached to the inclined connection plate 403 of the first end piece 41 by bolts; the second connecting portion 6012 of the fourth expansion bracket 62 is attached to the diagonal connecting plate 403 of the second end member 42 by bolts.

In this embodiment, the second rectangular sleeve portion 6011 and the second connecting portion 6012 are welded together from four steel plates.

The second inner telescopic sleeve 602 includes a second long tube portion 6021 that can be inserted into the rectangular sleeve portion and an inclined end plate portion 6022 that is connected to the bottom end of the second long tube portion 6021; a plurality of screw holes distributed along the height direction are arranged on the second long cylinder part 6021;

in this embodiment, the second long tube portion 6021 is formed by welding 4 steel plates, and has a rectangular tubular shape and a hollow interior.

The inclined end plate portion 6022 is formed of a steel plate welded to the bottom end of the second long tube portion 6021 and inclined with respect to the axial direction of the second long tube portion 6021 in the same direction as the arc plate portion 104 of the left and

right templates

11, 12. Four edges of the inclined end plate portion 6022 respectively extend out of the second long tube portion 6021, and a plurality of screw holes are formed in the inclined end plate portion 6022 for mounting the travelling wheels 100.

Since the second rectangular sleeve portion 6011 and the second long sleeve portion 6021 are respectively provided with a plurality of screw holes distributed in the height direction, the supporting height can be adjusted by inserting bolts into the screw holes at different heights.

First cylinder 91, second cylinder 92:

as shown in fig. 1 to 6, the first cylinders 91 are provided with 2 cylinders which are respectively installed in cylinder installation cavities 4016 of the 2 first end pieces 41, the tops of the cylinders are fixedly connected with the web 107 of the first end piece 41 through bolts, and the bottoms of the cylinders can be supported on the ground.

The second cylinders 92 are provided with 2 cylinders, which are respectively installed in cylinder installation cavities 4016 of the 2 second end pieces 42, the tops of the second cylinders are fixedly connected with webs 107 of the second end pieces 42 through bolts, and the bottoms of the second cylinders are fixedly connected with the second screw rod supporting seats 82.

The first cylinder 91 and the second cylinder 92 may be known cylinders, such as hydraulic cylinders, which are used to lift the inverted arch mold for demolding.

First screw supporting seat 81, second screw supporting seat 82, third screw supporting seat 83:

as shown in fig. 1 to 6, the number of first screw supporting seats 81 is 4, which are respectively disposed below the 2 third telescopic seats 52 and the 2 fourth telescopic seats 62, and are used for supporting the third telescopic seats 52 and the fourth telescopic seats 62.

The second screw supporting seats 82 are provided with 2 second screw supporting seats, which are respectively arranged below the 2 second oil cylinders 92 and are used for supporting the second oil cylinders 92.

The third screw supporting seats 83 are provided with 2, which are respectively provided below the 2 first end pieces 41 and are used for supporting the first end pieces 41.

The first screw supporting seat 81, the second screw supporting seat 82 and the third screw supporting seat 83 have the same basic structure, and the sizes thereof can be set according to the needs.

As shown in fig. 13, the first screw supporting seat 81, the second screw supporting seat 82, and the third screw supporting seat 83 include an upper connecting plate 801, a lower connecting plate 802, a fixing sleeve 803, a screw 804, and a nut 805, respectively.

The lower end of the screw 804 is vertically fixedly connected with the lower connecting plate 802, and the upper end of the screw 804 is sleeved with the nut 805. The nut 805 is fixedly connected to the lower end of the fixing sleeve 803 coaxially, and in this embodiment, the nut 805 is fixed in the end of the fixing sleeve 803. The upper end of the fixing sleeve 803 is vertically and fixedly connected with the upper connecting plate 801.

Further, the fixing sleeve 803 and the upper connecting plate 801 may be fixedly connected by welding. Triangular reinforcing rib plates 806 can be further arranged between the outer wall of the fixing sleeve 803 and the upper connecting plate 801 for reinforcing the supporting force.

Further, the screw 804 is fixedly connected with the lower connecting plate 802 through bolts. The lower end of the screw 804 is provided with an annular positioning shaft shoulder 8041 with a smaller diameter, the lower connecting plate 802 is welded with an annular connecting pipe 8021 into which the screw 804 can be inserted, the annular connecting pipe 8021 is provided with a screw hole with a position corresponding to the positioning shaft shoulder 8041, a bolt is screwed into the screw hole of the annular connecting pipe 8021, and then the end part of the bolt is tightly propped against the positioning shaft shoulder 8041, so that the screw 804 can be vertically fixed on the lower connecting plate 802.

By rotating the screw 804 and the fixing sleeve 803 relatively, the distance between the upper connection plate 801 and the lower connection plate 802 can be adjusted, thereby adjusting the supporting heights of the first screw supporting seat 81, the second screw supporting seat 82, and the third screw supporting seat 83.

Thus, the inverted arch form of the present utility model is constructed: the vertical column type vertical column building block comprises a left template 11 and a right template 12 which are relatively separated, wherein vertical columns 70 distributed along the length direction are vertically fixedly connected to the left template 11 and the right template 12 respectively, and a bottom longitudinal beam 30 is fixedly connected to the vertical columns 70; the side sill 30 has a length corresponding to the lengths of the left and

right side sills

11, 12. Second connecting lugs 301 on the left side rail 30 and the right side of the left template 11 are connected with first connecting lugs 101 on the left template 11 through screw rods 20; the second connecting lugs 301 on the left and right sides of the side sill 30 on the right die plate 12 are connected to the first connecting lugs 101 on the right die plate 12 by the lead screws 20. The front ends of the 2 side sills 30 are respectively fixedly connected with a first end piece 41; the front ends of the 2 first end pieces 41 are respectively connected with a first telescopic seat 51; the second telescopic seats 61 are connected to the outer sides of the 2 first end pieces 41, respectively. The bottom ends of the 2 first telescopic seats 51 and the 2 second telescopic seats 61 are respectively connected with the travelling wheels 100 so as to be supported on the poured ground for travelling. The bottom ends of the 2 first end pieces 41, to which the first cylinders 91,2 are connected, are supported on the poured floor, respectively, for integrally lifting the inverted arch form for demolding. At the bottoms of the 2 first end pieces 41, third screw supporting seats 83 for supporting are provided, respectively. Second end pieces 42 are fixedly connected to the rear ends of the 2 side sills 30, respectively. The rear ends of the 2 second end members 42 are respectively connected to the third telescopic seats 52, and the outer sides of the 2 second end members 42 are respectively connected to the fourth telescopic seats 62. The bottom ends of the 2 third telescopic seats 52 and the 2 fourth telescopic seats 62 are respectively connected with the first screw rod supporting seat 81 so as to be supported on the non-poured ground. The bottom ends of the second cylinders 92 respectively connected with the second cylinders 92,2 on the 2 second end pieces 42 are respectively connected with the second screw rod supporting seats 82 so as to be supported on the non-poured ground. The second cylinder 92 is used for integrally lifting the inverted arch form to perform demolding.

Although the present utility model has been disclosed by the above embodiments, the scope of the present utility model is not limited thereto, and each of the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The inverted arch formwork is characterized by comprising a left formwork (11) and a right formwork (12), wherein a bottom girder (30) is fixedly arranged above the left formwork (11) and the right formwork (12) respectively, a first end piece (41) is fixedly arranged at the front end of the bottom girder (30), a second end piece (42) is fixedly arranged at the rear end of the bottom girder (30), a first telescopic seat (51) with adjustable supporting height is fixedly arranged at the end part of the first end piece (41), and a second telescopic seat (61) with adjustable supporting height is fixedly arranged at the outer side of the first end piece (41); a third telescopic seat (52) with adjustable supporting height is fixedly arranged at the end part of the second end piece (42), and a fourth telescopic seat (62) with adjustable supporting height is fixedly arranged at the outer side of the second end piece (42); the bottoms of the third telescopic seat (52) and the fourth telescopic seat (62) are fixedly provided with a first screw rod supporting seat (81).

2. The inverted arch form of claim 1, wherein the plurality of panels,

a plurality of first connecting lugs (101) distributed along the length direction of the left template (11) and the right template (12) are fixedly arranged on two sides of the left template,

a plurality of second connecting lugs (301) distributed along the length direction of the side sill (30) are fixedly arranged on two sides of the side sill;

a screw rod (20) is connected between the first connecting lug part (101) and the second connecting lug part (301).

3. An inverted arch form according to claim 1, wherein a first cylinder (91) is fixedly arranged on the first end piece (41), one end of the first cylinder (91) is fixedly connected with the first end piece (41), and the other end of the first cylinder (91) can be supported on the ground.

4. The inverted arch formwork of claim 1, wherein a second cylinder (92) is fixedly arranged on the second end piece (42), one end of the second cylinder (92) is fixedly connected with the second end piece (42), the other end of the second cylinder (92) is fixedly connected with a second screw rod supporting seat (82), and the other end of the second screw rod supporting seat (82) can be supported on the ground.

5. An inverted arch form according to claim 1, wherein a third screw support (83) is fixedly arranged at the bottom of the first end piece (41), the top end of the third screw support (83) is fixedly connected with the bottom of the first end piece (41), and the bottom end of the third screw support (83) can be supported on the ground.

6. An inverted arch form according to claim 1, wherein the first (41) and second (42) end pieces each comprise:

the main body part (401) is formed by welding steel plates, the inside of the main body part is hollow, and a plurality of screw holes distributed along the vertical direction are respectively arranged at two ends of the main body part along the length direction;

a support plate (402) vertically fixed to the side surface of the main body (401);

the oblique connecting plate (403) is fixedly connected to the end part of the supporting plate (402) and is inclined to the supporting plate (402), and a plurality of screw holes are formed in the oblique connecting plate (403).

7. The inverted arch formwork of claim 6, wherein an oil cylinder installation cavity (4016) is arranged on the main body part (401) along the vertical direction, the oil cylinder installation cavity (4016) penetrates through the upper end and the lower end of the main body part (401), a top connection plate (4018) is arranged at the top of the oil cylinder installation cavity (4016), the top connection plate (4018) is connected with the top of the main body part (401), and a plurality of screw holes are formed in the top connection plate (4018).

8. Inverted arch form according to claim 6, wherein said first telescopic seat (51) and third telescopic seat (52) comprise respectively:

the first outer telescopic sleeve (501) comprises a first rectangular sleeve part (5011) with two open ends and first connecting parts (5012) arranged on two sides of the rectangular sleeve part, wherein a plurality of screw holes distributed along the height direction are respectively arranged on the first rectangular sleeve part (5011) and the first connecting parts (5012), and the first connecting parts (5012) are in fit connection with the end parts of the main body part (401) through bolts;

a first inner telescopic sleeve (502) comprising a first long tube part (5021) which can be inserted into the rectangular sleeve part and a horizontal end plate part (5022) connected to the bottom end of the first long tube part (5021); a plurality of screw holes distributed along the height direction are arranged on the first long cylinder part (5021);

the supporting height can be adjusted by inserting bolts into screw holes at different heights of the first inner telescopic sleeve (502) and the first outer telescopic sleeve (501).

9. Inverted arch form according to claim 6, wherein said second telescopic seat (61) and fourth telescopic seat (62) comprise respectively:

the second outer telescopic sleeve (601) comprises a second rectangular sleeve part (6011) with two open ends and second connecting parts (6012) arranged on two sides of the second rectangular sleeve part (6011), wherein a plurality of screw holes distributed along the height direction are respectively formed in the second rectangular sleeve part (6011) and the second connecting parts (6012), and the second connecting parts (6012) are in fit connection with the inclined connecting plates (403) through bolts;

a second inner telescopic sleeve (602) comprising a second long tube portion (6021) which can be inserted into the second rectangular sleeve portion (6011) and an inclined end plate portion (6022) connected to the bottom end of the second long tube portion (6021); a plurality of screw holes distributed along the height direction are arranged on the second long cylinder part (6021);

the supporting height can be adjusted by inserting bolts into screw holes at different heights of the second inner telescopic sleeve (602) and the second outer telescopic sleeve (601).

10. The inverted arch formwork according to claim 6, wherein the left formwork (11) and the right formwork (12) sequentially comprise a vertical plate portion (102), a horizontal plate portion (103), an arc plate portion (104) and a side plate (306) portion (105), the vertical plate portion (102) is vertically fixedly connected with the horizontal plate portion (103) to form an L shape, the arc plate portion (104) is arched in a direction away from the ground, and the side plate (306) portion (105) is vertically fixedly connected with the edge of the arc plate portion (104).