Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but 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 thus, should not be construed as limiting the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 and 4, a formwork support apparatus according to an embodiment of the present invention includes:
a flexible plate 23 for supporting the arc-shaped building template;
the radius adjusting mechanism is used for adjusting the radius of the flexible plate 23 and is movably connected with the flexible plate, and the radius adjusting mechanism comprises a guide limiting assembly used for limiting the flexible plate, a rope adjusting assembly used for adjusting the position of the guide limiting assembly and a rope winding and unwinding assembly used for driving the rope adjusting assembly; and
the height adjusting mechanism is used for adjusting the height of the flexible plate 23 and comprises a lifting platform 1, and the rope winding and unwinding assembly is installed on the lifting platform 1.
In the embodiment of the invention, the arc building template is supported by the flexible plate 23, the flexible plate 23 is a plate which can be bent and has certain deformation recovery capability, the flexible plate 23 can be a steel plate or a plastic plate, the outer side surface of the flexible plate 23 is bonded with the supporting pad 5, and the supporting pad 5 can be a rubber pad, so that when the arc building template is used, the supporting pad 5 is in close contact with the arc building template, thereby forming surface support for the arc building template, and the support is stable. The radius adjusting mechanism is used for adjusting the radius of the flexible plate 23 so as to be suitable for arc building templates with different radius sizes; the height adjusting mechanism is used for adjusting the height of the flexible plate 23 so as to be suitable for arc-shaped building templates with different height values.
Referring to fig. 1, 3 and 4, in one embodiment of the present invention, the guide limiting assembly includes:
the lifting platform comprises an arc plate 2, wherein two ends of the arc plate 2 are connected with the lifting platform 1, and a plurality of guide holes 26 are formed in the circular plate 2;
the outer side surface of the telescopic shaft 3 is connected with the inner side surface of the guide hole 26 in a sliding fit manner, and the inner side end of the telescopic shaft 3 is connected with a lug 27 for preventing the telescopic shaft 3 from being separated from the guide hole 26; and
stopper 4, stopper 4 is connected at the outside end of telescopic shaft 3, is provided with spacing logical groove 22 on stopper 4, the flexure plate 23 run through spacing logical groove 22 and with spacing medial surface sliding fit who leads to groove 22 be connected.
In the embodiment of the invention, a plurality of telescopic shafts 3 are distributed in a circumferential array around the central line of the circular arc plate 2, when the telescopic shafts 3 move, the limiting blocks 4 move along with the telescopic shafts, the flexible plates 23 slide relative to the limiting through grooves 22, the radius values of the flexible plates 23 are changed, the limiting blocks 4 are cylindrical, and the cleaning assemblies are fixedly connected to the limiting blocks 4.
In the embodiment of the present invention, the cleaning component may be a brush plate 24, the brush plate 24 is connected with bristles 25, the brush plate 24 is installed at two ends of the limiting through groove 22, and the bristles 25 are used for cleaning dust on the outer side surface of the flexible plate 23, so as to prevent the dust from entering the limiting through groove 22 and affecting the relative sliding between the flexible plate 23 and the limiting through groove 22.
Referring to fig. 1-5, in one embodiment of the present invention, the cord retraction assembly comprises:
a take-up and pay-off roller 8;
the driving assembly is used for driving the wire winding and unwinding roller 8, is connected with the wire winding and unwinding roller 8 and is arranged on the lifting platform 1; and
and a brake assembly for braking the take-up and pay-off roller 8.
The cord adjustment assembly comprises:
the guide pulleys 6 are fixedly arranged on the outer side surface of the arc plate 3, the number of the telescopic shafts 3 of the guide pulleys 6 is the same, and the guide pulleys 6 and the telescopic shafts 3 are arranged at intervals; and
the rope 7 is used for adjusting the extending length of the telescopic shaft 3, one end of the rope 7 is connected with the inner side end of the telescopic shaft 3, the other end of the rope 7 is connected with the take-up and pay-off roller 8, the take-up and pay-off roller 8 is used for taking up or paying off the rope 7, and the rope 7 is wound on the outer side of the guide pulley 6.
In the embodiment of the invention, the central line of the flexible plate 23, the central line of the take-up and pay-off roller 8 and the central line of the arc plate 2 are arranged in a collinear manner, when the take-up and pay-off roller 8 rotates, the ropes 7 can be taken up or paid out, the length of each rope 7 taken up or paid out is the same, when the ropes 7 are taken up, the telescopic shaft 3 moves outwards, each limit block 4 also moves outwards, the radius of the flexible plate 23 is increased, the arc building template is supported, and then the take-up and pay-off roller 8 is braked; the rope 7 is a steel wire rope, and a plurality of guide pulleys 6 are distributed in a circumferential array around the central line of the take-up and pay-off roller 8.
In one embodiment of the present invention, the driving assembly includes a rotation driving element, a central shaft 30 is fixedly connected to the rotation driving element, the take-up and pay-off roller 8 is coaxially and fixedly connected to the central shaft 30, the rotation driving element is a motor 29, the motor 29 is installed on the lifting platform 1, and an output shaft of the motor 29 is coaxially and fixedly connected to the central shaft 30.
In the embodiment of the present invention, the driving assembly may also be manually driven, the driving assembly includes a rotating disc, the rotating disc is fixedly connected to the central shaft 30, the winding and unwinding roller 8 can rotate by manually rotating the rotating disc, the lifting table 1 is fixedly provided with a bearing seat, a bearing is installed in the bearing seat, an inner hole of the bearing is fixedly connected to the central shaft 30, and the bearing seat is used for supporting the winding and unwinding roller 8.
Referring to fig. 1 and 4, in an embodiment of the present invention, the braking assembly includes two clamping plates 9 for clamping and fixing a central shaft 30 and a two-way threaded shaft 10, a sliding groove 31 is formed on a surface of the lifting platform 1, a lower end of the clamping plate 9 is connected with the sliding groove 31 in a sliding fit manner, and a threaded through hole is formed in a side surface of the clamping plate 9 and is connected with the two-way threaded shaft 10 in a matching manner.
In the embodiment of the invention, the two clamping plates 9 are arranged in bilateral symmetry about the symmetry plane of the take-up and pay-off roller 8, the inner side surfaces of the clamping plates 9 are provided with arc grooves, rubber pads are bonded in the arc grooves, one end of the bidirectional threaded shaft 10 is fixedly connected with a rotating handle 32, and when the rotating handle 32 is rotated, the two clamping plates 9 approach each other and clamp and fix the central shaft 30.
In the embodiment of the present invention, the brake assembly may further include two clamping plates 9 for clamping and fixing the central shaft 30, a two-way threaded shaft 10, and a guide rod, wherein a threaded through hole and a guide through hole are formed in a side surface of the clamping plate 9, the threaded through hole is connected with the two-way threaded shaft 10 in a matching manner, an outer side surface of the guide rod is connected with an inner side surface of the guide through hole in a sliding fit manner, a center line of the guide rod is parallel to a center line of the two-way threaded shaft 10, and two ends of the guide rod are fixedly connected with the lifting table 1 through a connecting member.
Referring to fig. 1 and 4, in one embodiment of the present invention, the height adjusting mechanism further includes an automatic lifting assembly for adjusting the height of the lifting platform.
The automatic lifting assembly comprises a base 33, and a lifting adjusting piece is installed between the base 33 and the lifting platform 1. The lifting adjusting piece comprises: the first guide rail 11 is fixedly arranged on the bottom surface of the lifting platform 1, and the first guide rail 11 is connected with two first sliding blocks 14 in a sliding fit manner; the second guide rail 12 is fixedly arranged on the surface of the base 33, and two second sliding blocks 15 are connected on the second guide rail 12 in a sliding fit manner; one end of the lifting frame 13 is rotatably connected with the first sliding block 14, and the other end of the lifting frame 13 is rotatably connected with the second sliding block 15; and a linear driving element 16, wherein the linear driving element 16 is fixedly arranged on the base 33, and the linear driving element 16 is connected with the second slide block 15.
In the embodiment of the invention, the lifting frame 13 is formed by hinging a plurality of movable rods, the upper end and the lower end of the lifting frame 13 are both provided with two free ends, the free end at the upper end is rotatably connected with the first slide block 14, the free end at the lower end is rotatably connected with the second slide block 15, and the linear driving element 16 is an electric push rod, an air cylinder or a hydraulic cylinder.
In the embodiment of the present invention, the lifting adjusting member may further include a second linear driving element and a telescopic rod, one end of the second linear driving element is fixedly connected to the base 33, the other end of the second linear driving element is fixedly connected to the lifting platform 1, the upper end and the lower end of the telescopic rod are respectively connected to the lifting platform 1 and the base 33, the telescopic rod is configured to enable the lifting platform 1 to operate more stably, and the second linear driving element is an electric push rod, an air cylinder or a hydraulic cylinder.
Referring to fig. 1, in an embodiment of the present invention, wheels are mounted on the base 33, a pressing plate assembly for preventing the base 33 from moving is further mounted on the base 33, the pressing plate assembly includes a threaded rod 19, a rotating handle 21 is fixedly connected to an upper end of the threaded rod 19, a pressing plate 20 is connected to a lower end of the threaded rod 19, a threaded hole 18 is formed in the base 33, the threaded hole 18 is in fit connection with the threaded rod 19, and when the rotating handle 21 is tightened, the pressing plate 20 is in close contact with the ground, which makes the present invention difficult to move.
The working process of the embodiment of the invention is as follows: when the flexible building template is used, the flexible building template is moved to a position right below an arc building template to be supported, then the radius of the flexible plate 23 is adjusted according to the radius of the arc building template, when the radius of the flexible plate 23 is adjusted, the motor 29 is started firstly, the take-up and pay-off rollers 8 start to rotate, the ropes 7 are taken up, the length of each rope 7 which is taken up is the same because the central line of the take-up and pay-off roller 8 and the central line of the arc plate 2 are arranged in a collinear mode, when the ropes 7 are taken up, the telescopic shafts 3 move outwards, each limiting block 4 also moves outwards, the radius of the flexible plate 23 is increased until the radius of the flexible plate is the same as the radius of the arc building template, then the rotary handle 32 is rotated by hand, the bidirectional threaded shafts 10 rotate along with the rotation, and the two clamping plates 9 approach each other and clamp the central shaft 30; and then, starting the height adjusting mechanism, lifting the lifting platform 1 to be lifted upwards, and enabling the supporting pad 5 on the flexible plate 23 to be in close contact with the bottom surface of the arc building template to form surface support for the arc building template, so that the supporting effect is good.
The present invention has been described in detail with reference to the preferred embodiments thereof, and it should be understood that the invention is not limited thereto, but is intended to cover modifications, equivalents, and improvements within the spirit and scope of the present invention.