Adjustable jacking structure of arc-shaped template

Abstract

The utility model relates to an adjustable jacking structure for an arc-shaped template, which is applied to the technical field of constructional engineering template construction tools, and realizes that when the arc-shaped template is mounted, a support is clamped with the arc-shaped template, then a limiting block is inserted into a second limiting hole to be clamped, and a winding shaft is rotated by holding a handle, so that two pull ropes are telescopically adjusted; when the support rotates, the pointer is driven to rotate along with the support, indication of the pointer and the angle ruler can be observed, the angle of the arc-shaped template on the support can be accurately adjusted, and after adjustment, the limiting block can be completely inserted into the second limiting hole and extends into the first limiting hole to be clamped. And the two pull ropes are wound and unwound, so that the support and the arc-shaped template can be driven to rotate and adjust, and the rotation angle can be accurately adjusted in cooperation with an angle ruler.

Description

TECHNICAL FIELD

[0001] The utility model relates to an arc-shaped formwork adjustable jacking structure, in particular to an arc-shaped formwork adjustable jacking structure applied to the technical field of building engineering formwork construction tools. BACKGROUND

[0002] In the field of building engineering, with the continuous innovation of architectural design concepts, arc-shaped concrete structures are widely used in various large public buildings, bridges, industrial facilities and other projects due to their unique aesthetic effects and mechanical properties. The formation of arc-shaped concrete structures depends on the precise installation of arc-shaped formwork systems, and the stable support of arc-shaped formwork is the top priority, which highlights the key role of arc-shaped formwork jacking.

[0003] Chinese patent CN208415926U specification discloses a kind of jacking of supporting arc-shaped beam formwork, including base, multiple support rod systems being set on base and the support plate assembly being set on each support rod system for supporting arc-shaped beam formwork, multiple described support plate assembly is dispersed to arc-shaped beam formwork by support rod system with base as center of circle support. The utility model relative to the traditional arc-shaped beam formwork support system structure component quantity is greatly reduced, is favorable for the quick installation of construction personnel, the turnover use of building material, the jacking of the utility model is dispersed to the different arc length position of arc-shaped beam formwork by multiple support rod systems support, and support force is evenly dispersed, and the fitting degree of arc-shaped beam formwork is good, can guarantee the stability of arc-shaped beam formwork, to guarantee the construction quality of arc-shaped beam structure.

[0004] The current arc-shaped formwork jacking cannot conveniently and quickly adjust the height of the matching block support plate to meet the construction requirements of different radii (angles). UTILITY MODEL CONTENTS

[0005] In view of the above prior art, the technical problem to be solved by the utility model is that the current arc-shaped formwork jacking cannot conveniently and quickly adjust the height of the matching block support plate to meet the construction requirements of different radii (angles).

[0006] In order to solve the above problems, the utility model provides a kind of adjustable top support structure of arc-shaped template, including vertical pole, screw rod is inserted into vertical pole top end, adjusting nut is threadedly connected on screw rod, bottom plate is fixedly connected at screw rod top end, connecting block is rotatably connected by pivot in bottom plate inner wall, brace is fixedly connected at connecting block top end, side plate is symmetrically slidably connected at brace both ends, annular screw hole is formed at the outer circle of pivot at bottom plate side end, angle ruler is threadedly connected in annular screw hole, pointer is fixedly connected at the place directly above angle ruler at brace side end, and when brace and bottom plate are in horizontal position, pointer points to 0 ° position on angle ruler, pull rope is symmetrically fixedly connected at brace bottom end, and pull rope penetrates bottom plate, winding shaft is rotatably connected on vertical pole side wall, and pull rope is wound on the surface of winding shaft, second limit hole is formed in the middle of winding shaft, first limit hole corresponding to second limit hole is formed on vertical pole, and limit block is inserted into second limit hole, and handle is fixedly connected at the end of limit block away from second limit hole.

[0007] In the above top support structure, by the winding and unwinding of the two pull ropes, the brace and the arc-shaped template can be rotated and adjusted, and the angle of rotation can be accurately adjusted with the cooperation of the angle ruler.

[0008] As a further improvement of the present application, the pivot and one end of the bottom plate are both provided with a clamping hole, and a U-shaped bolt is inserted into the two clamping holes.

[0009] As a further improvement of the present application, a group of sliding grooves are symmetrically formed at both ends of the brace, a telescopic rod is embedded in the sliding groove, and the movable end of the telescopic rod is detachably connected with the side plate.

[0010] As a further improvement of the present application, a circular hole corresponding to the telescopic rod is formed on the side plate, a length of screw mark is provided on the surface of the movable end of the telescopic rod, the telescopic rod penetrates the circular hole and is positioned by a first bolt, a screw hole is formed on the side plate and the brace between the two telescopic rods, and a second bolt is inserted into the screw hole.

[0011] As a further improvement of the present application, a compression spring is sleeved on the surface of the telescopic rod, and the outer diameter of the compression spring is smaller than the diameter of the sliding groove.

[0012] As a further improvement of the present application, a hoop is fixedly connected to the top end of the screw rod, a connecting piece is fixedly connected to the bottom end of the bottom plate, and the hoop is rotatably connected with the connecting piece by a damping pivot.

[0013] As a further improvement of the present application, the length of the limit block is greater than the length of the winding shaft.

[0014] In summary, when installing the arc-shaped template, the support is clamped, then the limiting block is inserted into the second limiting hole for clamping, and the handle is held to rotate the winding shaft, so that the two pull ropes are adjusted in length, so as to drive the support to rotate, and the pointer rotates with the support, so that the indication of the pointer and the angle ruler can be observed, and the angle of the arc-shaped template on the support can be accurately adjusted. After adjustment, the limiting block is completely inserted into the second limiting hole and extends into the first limiting hole for clamping, so as to limit the winding shaft, fix the pull rope, and keep the adjustment angle unchanged. By winding and unwinding the two pull ropes, the support and the arc-shaped template can be adjusted in rotation, and the rotation angle can be accurately adjusted in cooperation with the angle ruler. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The top support installation axonometric view of the first embodiment of the present application;

[0016] Figure 2 The top support installation axonometric view of the first embodiment of the present application; Figure 1 The enlarged view of A in the present application;

[0017] Figure 3 The top support installation axonometric view of the first embodiment of the present application;

[0018] Figure 4 The U-shaped bolt installation schematic view of the top support of the second embodiment of the present application;

[0019] Figure 5 The angle ruler schematic view of the first embodiment of the present application;

[0020] Figure 6 The side plate installation structure schematic view of the second embodiment of the present application;

[0021] Figure 7 The telescopic rod structure schematic view of the second embodiment of the present application.

[0022] Explanation of reference numerals in the drawings:

[0023] 1, vertical rod; 2, lead screw; 3, adjusting nut; 4, bottom plate; 5, connecting block; 6, support; 7, side plate; 8, angle ruler; 9, pull rope; 10, winding shaft; 11, handle; 12, first limiting hole; 13, second limiting hole; 14, limiting block; 15, screw mark; 16, pointer; 17, connecting piece; 18, hoop; 19, clamping hole; 20, U-shaped bolt; 21, compression spring; 22, sliding groove; 23, telescopic rod; 24, second bolt. DETAILED DESCRIPTION

[0024] The two embodiments of the present application will be described in detail below with reference to the drawings.

[0025] First embodiment:

[0026] Figures 1-3 And Figure 5 Show an arc-shaped template adjustable top support structure, including vertical rod 1, vertical rod 1 top inserted with lead screw 2, lead screw 2 on the threaded connection has adjusting nut 3, lead screw 2 top fixedly connected with bottom plate 4, bottom plate 4 inner wall through the rotating shaft rotationally connected with connecting block 5, connecting block 5 top fixedly connected with support 6, support 6 both ends symmetrically slidingly connected with side plate 7, bottom plate 4 side end located outside the rotating shaft ring-shaped screw hole, ring-shaped screw hole in the threaded connection has angle ruler 8, support 6 side end located at angle ruler 8 directly above fixedly connected with pointer 16, and when support 6 and bottom plate 4 are in horizontal position, pointer 16 points to 0 ° position on angle ruler 8, support 6 bottom end symmetrically fixedly connected with pull rope 9, and pull rope 9 penetrates bottom plate 4, vertical rod 1 side wall symmetrically rotationally connected with winding shaft 10, and pull rope 9 is wound on the surface of winding shaft 10, winding shaft 10 middle part is provided with second limiting hole 13, vertical rod 1 is provided with first limiting hole 12 corresponding to second limiting hole 13, and second limiting hole 13 is inserted with limiting block 14, one end of limiting block 14 away from second limiting hole 13 is fixedly connected with handle 11, and the length of limiting block 14 is greater than the length of winding shaft 10.

[0027] Working principle: when installing the arc-shaped template, the support 6 is clamped, then the limiting block 14 is inserted into the second limiting hole 13, and the handle 11 is held to rotate the winding shaft 10, so that the two pull ropes 9 are adjusted, so that the support 6 is rotated, and the pointer 16 is rotated, so that the indication of the pointer 16 and the angle ruler 8 can be observed, and the angle of the arc-shaped template on the support 6 can be accurately adjusted. After adjustment, the limiting block 14 can be completely inserted into the second limiting hole 13 and extended into the first limiting hole 12 to clamp, so that the winding shaft 10 is limited, the pull rope 9 is fixed, and the adjustment angle is kept unchanged;

[0028] By winding and unwinding the two pull ropes 9, the support 6 and the arc-shaped template can be rotated and adjusted, and the angle ruler 8 can be accurately adjusted.

[0029] Second embodiment:

[0030] Figure 4 And Figures 6-7The shaft and one end of the bottom plate 4 are provided with clamping holes 19, and U-shaped bolts 20 are inserted into the two clamping holes 19, a group of sliding grooves 22 are symmetrically provided at both ends of the support 6, telescopic rods 23 are embedded in the sliding grooves 22, the movable ends of the telescopic rods 23 are detachably connected with the side plates 7, circular holes corresponding to the telescopic rods 23 are provided on the side plates 7, the movable ends of the telescopic rods 23 are provided with a length of screw marks 15 on the surfaces, the telescopic rods 23 pass through the circular holes and are positioned by first bolts, screw holes are provided on the side plates 7 and the support 6 between the two telescopic rods 23, second bolts 24 are inserted into the screw holes, compression springs 21 are sleeved on the surfaces of the telescopic rods 23, the outer diameter of the compression springs 21 is smaller than the diameter of the sliding grooves 22, a hoop 18 is fixedly connected to the top end of the lead screw 2, a connecting piece 17 is fixedly connected to the bottom end of the bottom plate 4, and the hoop 18 is rotationally connected with the connecting piece 17 through a damping shaft.

[0031] Working principle: first, the orientation of the arc-shaped template is adjusted by the damping shaft, then the telescopic adjustment of the side plates 7 is realized by the compression springs 21 and the telescopic rods 23, so that arc-shaped templates of different sizes can be adapted, after adjustment, the second bolts 24 are inserted into the corresponding two screw holes and are threadedly fixed, so that the telescopic rods 23 are locked and the positions of the side plates 7 are fixed, and in the case of long-time use of the side plates 7 and friction with the arc-shaped template, wear can occur, at this time, the bolts can be unscrewed and removed, the side plates 7 can be replaced, then the angle adjustment of the support 6 can be realized by the pull rope 9, after the angle adjustment of the support 6, the U-shaped bolts 20 are inserted into the two clamping holes 19 to limit the support 6, so that the support 6 is secondarily reinforced to avoid the loss of the support 6 from being limited when the pull rope 9 is accidentally damaged;

[0032] Through the telescopic adjustment of the side plates 7, arc-shaped templates of different sizes can be adapted, and the side plates 7 can be conveniently disassembled and replaced.

[0033] In combination with the actual needs, the above-mentioned embodiments of the present application have a protection scope not limited thereto, various changes made within the knowledge of those skilled in the art without departing from the concept of the present application still fall within the protection scope of the present application.

Claims

1. An adjustable formwork structure for curved forms comprising uprights (1) characterised in that: The top end of the stand (1) is inserted with a lead screw (2), the lead screw (2) is threadedly connected with an adjusting nut (3), the top end of the lead screw (2) is fixedly connected with a bottom plate (4), the inner wall of the bottom plate (4) is rotatably connected with a connecting block (5) through a rotating shaft, the top end of the connecting block (5) is fixedly connected with a support (6), the both ends of the support (6) are symmetrically and slidably connected with side plates (7), the side end of the bottom plate (4) is provided with an annular screw hole outside the rotating shaft, the annular screw hole is threadedly connected with a protractor (8), the side end of the support (6) is fixedly connected with a pointer (16) above the protractor (8), when the support (6) and the bottom plate (4) are in a horizontal position, the pointer (16) points to the 0° position on the protractor (8), the bottom end of the support (6) is fixedly connected with a pull rope (9) symmetrically, and the pull rope (9) penetrates through the bottom plate (4), the side wall of the stand (1) is rotatably connected with a winding shaft (10) symmetrically, and the pull rope (9) is wound on the surface of the winding shaft (10), the middle part of the winding shaft (10) is provided with a second limiting hole (13), the stand (1) is provided with a first limiting hole (12) corresponding to the second limiting hole (13), and the second limiting hole (13) is inserted with a limiting block (14), and the end of the limiting block (14) away from the second limiting hole (13) is fixedly connected with a handle (11).

2. The adjustable hold-down structure for arc-shaped die plate according to claim 1, wherein: The rotating shaft and one end of the bottom plate (4) are both provided with a clamping hole (19), and a U-shaped bolt (20) is inserted into the two clamping holes (19).

3. The adjustable shoe structure of the arc-shaped formwork according to claim 1, characterized in that: The both ends of the support (6) are symmetrically provided with a group of sliding grooves (22), the sliding grooves (22) are embedded with telescopic rods (23), and the movable ends of the telescopic rods (23) are detachably connected with the side plates (7).

4. The adjustable shoe structure of claim 3, wherein: A circular hole corresponding to the telescopic rod (23) is formed in the side plate (7), a length of screw marks (15) are arranged on the surface of the movable end of the telescopic rod (23), the telescopic rod (23) penetrates through the circular hole and is positioned by a first bolt, and a screw hole is formed in the support (6) between the two telescopic rods (23), and a second bolt (24) is inserted into the screw hole.

5. The adjustable shoe structure of claim 3, wherein: A compression spring (21) is sleeved on the surface of the telescopic rod (23), and the outer diameter of the compression spring (21) is smaller than the diameter of the sliding groove (22).

6. The adjustable shoe structure for arc-shaped formworks according to claim 1, characterized in that: The top end of the lead screw (2) is fixedly connected with a hoop (18), the bottom end of the bottom plate (4) is fixedly connected with a connecting piece (17), and the hoop (18) is rotatably connected with the connecting piece (17) through a damping rotating shaft.

7. The adjustable shoe structure of a segmental formwork according to claim 1, wherein: The length of the limiting block (14) is greater than the length of the winding shaft (10).

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