Fast adjustable hanging hole formwork supporting device

Abstract

The utility model discloses a fast adjustable hanging hole formwork supporting device. The fast adjustable hanging hole formwork supporting device comprises a back shore component, a support component and a base component. The top supporting component is installed at the top of the support component, and a supporting panel is rotatably arranged at the top of the top supporting component, so that the supporting panel can be attached to the bottom of the plane or inclined plane hanging hole formwork; the bottom of the support component is detachably installed on the base component, and a plurality of inclined supporting rods are rotatably arranged at the bottom of the base component, so that the inclined supporting rods can be erected on the ground around a reserved hole below the hanging hole. The utility model relates to the technical field of building construction, and can solve the problems that in the prior art, a hanging hole formwork is not suitable for inclined plane hanging holes, and when reserved holes exist below, a hanging hole formwork supporting device is difficult to erect.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a quick-adjustable formwork support device for suspended holes. Background Art

[0002] A suspended hole refers to a hole reserved at a certain construction part of a building floor during the construction of the main building structure for construction needs, such as a material transfer port, a water and electricity pipeline port, a setting-out port, etc. to meet the construction requirements. And these holes often need to be blocked and ground flat in the later stage of construction.

[0003] At present, the conventional methods for blocking suspended holes include: 1. Using a steel wire suspended formwork for construction. It is easy to form leakage at the steel wire, and the construction quality is difficult to control; 2. Using a lower support method to set up the formwork support for the suspended hole. This construction method mostly targets horizontal suspended holes and is difficult to adapt to inclined plane suspended holes. And when there are reserved holes below the support device, it is difficult and unstable to set up the formwork support device for the suspended hole. At the same time, the existing formwork support devices for suspended holes have disadvantages such as complex installation and poor applicability. Therefore, it is necessary to provide a quick-adjustable formwork support device for suspended holes, which can solve the problems that the formwork support for suspended holes in the prior art is not applicable to inclined plane suspended holes and it is difficult to set up the formwork support device for suspended holes when there are reserved holes below. Summary of the Invention

[0004] The purpose of the utility model is to provide a quick-adjustable formwork support device for suspended holes, which can solve the problems that the formwork support for suspended holes in the prior art is not applicable to inclined plane suspended holes and it is difficult to set up the formwork support device for suspended holes when there are reserved holes below.

[0005] The utility model is realized as follows:

[0006] A quick-adjustable formwork support device for suspended holes includes a top support member, a support frame member and a base member; the top support member is installed at the top of the support frame member, and a support panel is rotatably provided at the top of the top support member so that the support panel can be attached to the bottom of the formwork for a flat or inclined plane suspended hole; the bottom of the support frame member is detachably installed on the base member, and several inclined support rods are rotatably provided at the bottom of the base member so that the several inclined support rods can be erected on the ground around the reserved hole below the suspended hole.

[0007] The top support member includes a first support column, a rotating member and a second support column. The fixed end of the rotating member is fixedly installed in the middle of the bottom surface of the support panel through the second support column, and the rotating end of the rotating member is fixedly installed at the top of the support frame member through the first support column, so that the support panel is rotatably arranged above the support frame member through the rotating member and can be attached to the bottom surface of the formwork for a flat or inclined plane suspended hole.

[0008] The rotating member described above includes a ball shaft and a ball shaft sleeve body; the top of the ball shaft sleeve body is fixedly connected to the second support column, the ball shaft is rotatably fitted inside the ball shaft sleeve body, and the bottom of the ball shaft is exposed below the ball shaft sleeve body and fixedly connected to the first support column.

[0009] A number of support rib plates are connected at intervals between the second support column and the support panel.

[0010] The bracket member includes a vertical top pipe, a vertical base pipe, and a lifting and adjusting assembly; the lower end of the vertical top pipe is inserted into the vertical base pipe, the lifting and adjusting assembly is arranged on the vertical base pipe and is movably connected to the vertical top pipe, so that the vertical top pipe and the vertical base pipe are connected in a liftable manner; the top of the vertical top pipe is coaxially fixed, and the vertical base pipe is fixed to the base member.

[0011] The lifting and adjusting assembly includes a sawtooth groove formed on the outer wall of the vertical top pipe and a gear rotatably arranged on the vertical base pipe through a rotating mechanism; the sawtooth groove is arranged parallel to the axis of the vertical top pipe, a vertical pipe opening is formed on the vertical base pipe, and the gear is installed at the vertical pipe opening and meshed with the sawtooth groove for driving connection.

[0012] The rotating mechanism includes an ear plate, a pin, and a rotating rod; a pair of ear plates are respectively installed on the vertical base pipe on both sides of the vertical pipe opening, the gear is rotatably installed between the pair of ear plates through a rotating shaft, so that one side of the gear penetrates through the vertical pipe opening and is meshed with the sawtooth groove for driving connection, and one end of the rotating rod is coaxially fixed to the rotating shaft of the gear; the pin penetrates through and connects the pair of ear plates and the gear.

[0013] A first through hole is formed on the pair of ear plates; a convex shaft is formed at the center of one end of the gear, and the convex shaft penetrates through the first through hole of one of the ear plates; a threaded hole is formed at the center of the other end of the gear, and one end of the rotating shaft is coaxially connected to the other end of the gear through a thread via the threaded hole, and the other end of the rotating shaft penetrates through the first through hole of the other ear plate and is coaxially fixed to one end of the rotating rod.

[0014] A second through hole is formed on the pair of ear plates, and a number of third through holes are formed on the gear at intervals, and the number of third through holes are arranged at intervals along the circumferential direction of the gear, so that the pin can penetrate through the pair of second through holes and one of the third through holes.

[0015] The base member includes a support bottom plate, a support connecting column, and a support cross bar; the bottom of the support connecting column is fixedly installed at the center of the top surface of the support bottom plate, and the top of the support connecting column is detachably threadedly connected to the lower end of the vertical base pipe; a plurality of support cross bars are respectively installed at intervals on the bottom surface of the support bottom plate, and the upper ends of a number of inclined support rods are respectively rotatably adjusted and connected to the plurality of support connecting columns through bolts, so that the lower ends of the number of inclined support rods can be erected around the reserved hole below the hanging hole; a pull rod is movably connected between two adjacent inclined support rods.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. Since the utility model is provided with a top support member and a bracket member, the vertical pipe jack is lifted relative to the vertical base pipe through the meshing transmission between the serrated groove and the gear of the bracket member, so as to adjust the height of the support panel of the top support member. At the same time, the angle of the support panel is adjusted by the flexible rotation of the ball shaft relative to the ball bushing body, so as to realize the matching and fitting between the support panel and the formwork for the hole in the plane or inclined plane, with good adaptability, and the installation, adjustment and disassembly are simple and convenient.

[0018] 2. Since the utility model is provided with a base member, the reliable support of the inclined support rod between the ground and the support bottom plate is ensured by the rotation adjustment and bolt locking of the inclined support rod. At the same time, the reserved hole on the ground can be effectively avoided, so as to ensure the reliable installation of the base member even under the condition that there is a reserved hole under the hole in the ceiling.

[0019] 3. The utility model has a simple structure, is fast and convenient to operate, can be recycled, has strong practicability, applicability and economy, and can be widely applied to the plugging construction of holes in the ceiling in various forms. Description of the Drawings

[0020] Figure 1 is a three-dimensional view of the quick-adjustable formwork support device for the hole in the ceiling of the utility model;

[0021] Figure 2 is a three-dimensional view of the top support member in the quick-adjustable formwork support device for the hole in the ceiling of the utility model;

[0022] Figure 3 is a three-dimensional view of the bracket member in the quick-adjustable formwork support device for the hole in the ceiling of the utility model;

[0023] Figure 4 is a three-dimensional view of the base member in the quick-adjustable formwork support device for the hole in the ceiling of the utility model;

[0024] Figure 5 is a three-dimensional view of the gear in the quick-adjustable formwork support device for the hole in the ceiling of the utility model;

[0025] Figure 6 is a three-dimensional view of the rotating rod in the quick-adjustable formwork support device for the hole in the ceiling of the utility model.

[0026] In the figure, 1 is the top support member, 2 is the bracket member, 3 is the base member, 4 is the first support column, 5 is the ball shaft, 6 is the ball shaft sleeve, 7 is the second support column, 8 is the support panel, 9 is the support rib, 10 is the vertical pipe jacking, 11 is the vertical base pipe, 12 is the ear plate, 13 is the serrated groove, 14 is the opening in the riser pipe, 15 is the pin, 16 is the first through hole, 17 is the second through hole, 18 is the gear, 181 is the convex shaft, 182 is the threaded hole, 19 is the rotating rod, 20 is the support base plate, 21 is the support connecting column, 22 is the support cross bar, 23 is the inclined support rod, 24 is the pull rod, 25 is the bolt. Detailed implementation mode

[0027] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] Please refer to the attached Figure 1 and the attached Figure 2 and the attached Figure 4 As shown in the figures, a quickly adjustable hanging hole formwork support device includes a top support member 1, a bracket member 2 and a base member 3; the top support member 1 is installed at the top of the bracket member 2, and a support panel 8 is rotatably arranged at the top of the top support member 1, so that the support panel 8 can be attached to the bottom of the formwork of the flat or inclined plane hanging hole; the bottom of the bracket member 2 is detachably installed on the base member 3, and a plurality of inclined support rods 23 are rotatably arranged at the bottom of the base member 3, so that the plurality of inclined support rods 23 can be erected on the ground around the reserved hole under the hanging hole.

[0029] The support panel 8 is used to be attached to the bottom of the hanging hole formwork, so as to support and reinforce the hanging hole formwork, facilitating the subsequent plugging construction of the hanging hole. The support panel 8 can be rotated by a certain angle through the top support member 1 to adapt to the hanging hole formwork at different angles, so as to meet the construction requirements for plugging the hanging hole on the flat or inclined plane.

[0030] The plurality of inclined support rods 23 of the base member 3 are used to be erected on the ground under the hanging hole. If there is a reserved hole under the hanging hole, the reserved hole can be avoided by adjusting the angles of the plurality of inclined support rods 23, so as to ensure the stable erection of the base member 3 on the ground under the hanging hole without being affected by the reserved hole. Preferably, four inclined support rods 23 can be symmetrically arranged, with high support stability.

[0031] The bracket member 2 is used to provide vertical support between the top support member 1 and the base member 3 and adapt to the distance between different hanging hole formworks and the ground below, so as to ensure the reliable support of the support panel 8 for the hanging hole formwork and transfer the load of the hanging hole formwork to the ground.

[0032] Please refer to the attached Figure 2, the top support member 1 includes a first support column 4, a rotating member, and a second support column 7. The fixed end of the rotating member is fixedly installed at the middle of the bottom surface of the support panel 8 through the second support column 7, and the rotating end of the rotating member is fixedly installed at the top of the bracket member 2 through the first support column 4, so that the support panel 8 is rotatably arranged above the bracket member 2 through the rotating member and can be attached to the bottom surface of the formwork for the suspended hole on a flat or inclined plane.

[0033] Preferably, the first support column 4 and the second support column 7 can be made of circular steel pipes, the support panel 8 can be made of steel plates, the second support column 7 is coaxially welded to the center of the bottom surface of the support panel 8, and the first support column 4 is coaxially welded to the bracket member 2, which is convenient for the transfer of vertical loads.

[0034] The rotating member is used for the rotation of the support panel 8 relative to the bracket member 2 to adapt to the bottom surface angle of the formwork for the suspended hole.

[0035] Please refer to the appendix Figure 2 , the rotating member includes a ball shaft 5 and a ball socket body 6; the top of the ball socket body 6 (i.e., the fixed end of the rotating member) is fixedly connected to the second support column 7, the ball shaft 5 is rotatably installed in the ball socket body 6, and the bottom of the ball shaft 5 (i.e., the rotating end of the rotating member) is exposed below the ball socket body 6 and fixedly connected to the first support column 4.

[0036] Preferably, not less than 1 / 2 of the volume of the ball shaft 5 can be installed in the ball socket body 6 to ensure the flexible rotation of the ball shaft 5 in the ball socket body 6 and prevent it from falling out. The installed volume of the ball shaft 5 can also be controlled according to the required rotation angle of the ball shaft 5, so as to ensure that the rotation angle of the support panel 8 can meet the bottom surface angle of the formwork for the suspended hole.

[0037] Please refer to the appendix Figure 2 , several support rib plates 9 are connected at intervals between the second support column 7 and the support panel 8.

[0038] Preferably, two support rib plates 9 can be symmetrically arranged, and the support rib plates 9 are triangular structures, which are used to improve the connection reliability between the second support column 7 and the support panel 8.

[0039] Please refer to the appendix Figure 3 , the bracket member 2 includes a vertical top pipe 10, a vertical base pipe 11, and a lifting and adjusting assembly; the lower end of the vertical top pipe 10 is inserted into the vertical base pipe 11, the lifting and adjusting assembly is arranged on the vertical base pipe 11 and is movably connected to the vertical top pipe 10, so that the vertical top pipe 10 and the vertical base pipe 11 are connected in a liftable manner; the top of the vertical top pipe 10 is coaxially fixed, and the vertical base pipe 11 is fixed to the base member 3.

[0040] Preferably, both the vertical jacking pipe 10 and the vertical base pipe 11 can be made of round steel pipes, and the steel pipe specification of the vertical base pipe 1 is larger than that of the vertical jacking pipe 10, so as to meet the requirements of plugging and lifting of the vertical jacking pipe 10 in the vertical base pipe 11. The steel pipe specification of the vertical jacking pipe 10 is larger than that of the first support column 4, and the first support column 4 is coaxially welded to the vertical jacking pipe 10.

[0041] The lifting and adjusting assembly is used to control the lifting and lowering of the vertical jacking pipe 10, thereby controlling the lifting and lowering of the supporting panel 8, thereby meeting the requirements of the supporting panel 8 for supporting and reinforcing the hanging hole formwork or disassembling the hanging hole formwork.

[0042] Please see attached Figure 3 The lifting and lowering adjustment assembly includes a serrated groove 13 formed on the outer wall of the vertical top pipe 10 and a gear 18 rotatably arranged on the vertical base pipe 11 through a rotating mechanism; the serrated groove 13 is arranged parallel to the axial direction of the vertical top pipe 10, and a vertical pipe opening 14 is formed on the vertical base pipe 11. The gear 18 is installed at the vertical pipe opening 14 and is meshed and connected with the serrated groove 13.

[0043] The teeth on the gear 18 mesh with the grooves on the sawtooth grooves 13, so that when the gear 18 rotates, the transmission of the vertical jacking pipe 10 can be realized through the meshing transmission of the teeth and the grooves. And the vertical jacking pipe 10 can be raised and lowered by the forward or reverse rotation of the gear 18.

[0044] Please see attached Figure 3 The rotating mechanism includes an ear plate 12, a latch 15 and a rotating rod 19; a pair of ear plates 12 are respectively installed on the vertical base pipe 11 on both sides of the vertical pipe opening 14, and the gear 18 is rotatably installed between the pair of ear plates 12 through a rotating shaft, so that one side of the gear 18 passes through the vertical pipe opening 14 and is meshed and connected with the serrated groove 13 for transmission, and one end of the rotating rod 19 is coaxially fixedly connected with the rotating shaft of the gear 18; the latch 15 passes through and is connected to a pair of ear plates 12 and the gear 18.

[0045] A pair of ear plates 12 are used for the rotational installation of the gear 18, and the rotation rod 19 can be a Z-shaped handle, as shown in the attached Figure 6 As shown, one end of the rotating rod 19 is used to connect with the rotating shaft of the gear 18 and control the forward or reverse rotation of the gear 18, and the other end of the rotating rod 19 is used for hand-holding, which is convenient and labor-saving to operate. The latch 15 is used to lock a pair of ear plates 12 and the gear 18, so as to lock the gear 18 after the lifting and lowering adjustment of the vertical jacking pipe 10 is completed, so as to ensure the continuous tightening of the hanging hole template and prevent the gear 18 from accidentally rotating and causing the support panel 8 to separate from the hanging hole template.

[0046] Please see attached Figure 3 and attached Figure 5, a first through hole 16 is formed on the pair of ear plates 12; a convex shaft 181 is formed at the center of one end of the gear 18, and the convex shaft 181 passes through the first through hole 16 of one of the ear plates 12; a threaded hole 182 is formed at the center of the other end of the gear 18, and one end of the rotating shaft is coaxially connected to the other end of the gear 18 through a thread via the threaded hole 182, and the other end of the rotating shaft passes through the first through hole 16 of the other ear plate 12 and is coaxially fixed to one end of the rotating rod 19.

[0047] The gear 18, the convex shaft 181, the threaded hole 182 and the rotating shaft are coaxially arranged, so that the gear 18 can rotate under the cooperation of the convex shaft 181 and the rotating shaft, ensuring the flexible and stable rotation of the gear 18.

[0048] Please refer to the appendix Figure 3 , a second through hole 17 is formed on the pair of ear plates 12, and a plurality of third through holes (not shown in the figure) are formed at intervals on the gear 18. The plurality of third through holes are arranged at intervals along the circumferential direction of the gear 18, so that the pin 15 can pass through the pair of second through holes 17 and one of the third through holes.

[0049] The number of the third through holes can be adjusted adaptively according to the size of the gear 18. The more the number of the third through holes, the higher the accuracy of the rotation locking angle of the gear 18. The diameters of the second through hole 17 and the third through hole are slightly larger than the diameter of the pin 15, facilitating the insertion locking and pulling out unlocking of the pin 15.

[0050] Please refer to the appendix Figure 4 , the base member 3 includes a support bottom plate 20, a support connecting column 21 and a support cross bar 22; the bottom of the support connecting column 21 is fixedly installed at the center of the top surface of the support bottom plate 20, and the top of the support connecting column 21 is detachably screwed to the lower end of the vertical base pipe 11; a plurality of support cross bars 22 are respectively installed at intervals on the bottom surface of the support bottom plate 20, and the upper ends of a plurality of inclined support rods 23 are respectively rotatably and adjustably connected to the plurality of support connecting columns 21 through bolts 25, so that the lower ends of the plurality of inclined support rods 23 can be erected around the reserved hole below the suspension hole.

[0051] Preferably, two support cross bars 22 can be arranged in parallel, and four inclined support rods 23 can be connected to both ends of the two support cross bars 22 through bolts 25. The inclined support rods 23 can rotate around the bolts 25, so as to adjust the support angle of the inclined support rods 23, and further avoid the reserved hole below the suspended ceiling through different unfolding angles of the inclined support rods 23, ensuring that the lower ends of the inclined support rods 23 are stably erected on the ground outside the reserved hole.

[0052] The support connecting column 21, the support bottom plate 20 and the support cross bar 22 bear the load above and uniformly transfer the load to the ground, with strong bearing capacity and high stability, ensuring the stable support of the suspension hole formwork.

[0053] Please refer to the attached Figure 4 , and a pull rod 24 is movably connected between two adjacent inclined support rods 23.

[0054] Preferably, two pull rods 24 can be provided, which are respectively connected to four inclined support rods 23 in pairs to reinforce the unfolding angle of the inclined support rods 23. The pull rod 24 and the inclined support rod 23 can be locked and connected by bolts for easy disassembly. The corresponding length of the pull rod 24 is selected according to the distance between the inclined support rods 23 with different inclination angles.

[0055] Please refer to the attached Figure 1 to the attached Figure 6 , the erection method and working principle of the present utility model during the erection of the hole formwork for the suspended hole are as follows:

[0056] According to the size of the reserved hole below the suspended hole, rotate and adjust the inclination angle of the inclined support rod 23 to ensure that the distance between the lower ends of the four inclined support rods 23 is greater than the size of the reserved hole, so as to ensure that the lower ends of the four inclined support rods 23 can be stably erected on the ground around the reserved hole below the suspended hole. Lock the bolt 25 to fix the four inclined support rods 23 on the two support cross bars 22, and the two adjacent inclined support rods 23 are reinforced by the pull rod 24.

[0057] The lower end of the vertical base pipe 11 is coaxially screwed onto the support connection column 21 at the top of the support base plate 20 by threads. According to the height of the suspended hole, rotate the rotating rod 19, so that the rotating rod 19 drives the gear 18 to rotate synchronously through the rotating shaft, and the gear 18 meshes with the sawtooth groove 13 for transmission, so that the vertical top pipe 10 moves upward relative to the vertical base pipe 11, and the support panel 8 is lifted to the bottom surface of the hole formwork for the suspended hole.

[0058] Insert the pin 15 through a pair of second through holes 17 and the third through hole located between the pair of second through holes 17, so that the gear 18 is locked between a pair of ear plates 12, thereby ensuring that the support panel 8 can stably support the hole formwork for the suspended hole and facilitating the subsequent plugging construction of the suspended hole.

[0059] When the support panel 8 is lifted to the bottom surface of the hole formwork for the suspended hole, since the spherical shaft 5 can rotate in the spherical shaft sleeve 6, the support panel 8 is completely attached to the bottom surface of the hole formwork for the suspended hole, so as to adapt to the hole formwork for the suspended hole on a plane or an inclined plane.

[0060] The above is only the preferred embodiment of the present utility model, and is not used to limit the protection scope of the present utility model. Therefore, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A fast and adjustable hanging hole template support device, characterized by: The invention comprises a top support member (1), a bracket member (2) and a base member (3); the top support member (1) is installed on the top of the bracket member (2); a support panel (8) is rotatably provided on the top of the top support member (1), so that the support panel (8) can be attached to the bottom of a plane or inclined plane hanging hole template; The bottom of the bracket component (2) is detachably mounted on the base component (3), and the bottom of the base component (3) is rotatably provided with a plurality of oblique support rods (23), so that the plurality of oblique support rods (23) can be erected on the ground around the reserved hole below the hanging hole.

2. The fast adjustable hanging hole template support device according to claim 1 is characterized in that: The supporting member (1) comprises a first supporting column (4), a rotating member and a second supporting column (7), wherein the fixed end of the rotating member is fixedly mounted on the middle part of the bottom surface of the supporting panel (8) via the second supporting column (7), and the rotating end of the rotating member is fixedly mounted on the top of the bracket member (2) via the first supporting column (4), so that the supporting panel (8) can be rotatably arranged above the bracket member (2) via the rotating member and can be attached to the bottom surface of the plane or inclined plane hanging hole template.

3. The fast adjustable hanging hole template support device according to claim 2 is characterized in that: The rotating member comprises a ball shaft (5) and a ball shaft sleeve (6); the top of the ball shaft sleeve (6) is fixedly connected to the second support column (7), the ball shaft (5) is rotatably embedded in the ball shaft sleeve (6), and the bottom of the ball shaft (5) is exposed below the ball shaft sleeve (6) and fixedly connected to the first support column (4).

4. The fast adjustable hanging hole template support device according to claim 2 or 3 is characterized in that: A plurality of supporting ribs (9) are connected at intervals between the second supporting column (7) and the supporting panel (8).

5. The fast adjustable hanging hole template support device according to claim 2 is characterized in that: The support member (2) comprises a vertical top pipe (10), a vertical base pipe (11) and a lifting and adjusting assembly; the lower end of the vertical top pipe (10) is inserted into the vertical base pipe (11), the lifting and adjusting assembly is arranged on the vertical base pipe (11) and is movably connected to the vertical top pipe (10), so that the vertical top pipe (10) and the vertical base pipe (11) can be lifted and lowered; the top of the vertical top pipe (10) is fixedly connected to the coaxial, and the vertical base pipe (11) is fixed on the base member (3).

6. The fast adjustable hanging hole template support device according to claim 5 is characterized in that: The lifting and lowering adjustment assembly comprises a sawtooth groove (13) formed on the outer wall of the vertical top pipe (10) and a gear (18) rotatably arranged on the vertical base pipe (11) through a rotating mechanism; the sawtooth groove (13) is arranged parallel to the axial direction of the vertical top pipe (10), a vertical pipe opening (14) is formed on the vertical base pipe (11), and the gear (18) is installed at the vertical pipe opening (14) and is meshed and transmission-connected with the sawtooth groove (13).

7. The fast adjustable hanging hole template support device according to claim 6 is characterized in that: The rotating mechanism comprises an ear plate (12), a latch (15) and a rotating rod (19); a pair of ear plates (12) are respectively mounted on the vertical base pipe (11) on both sides of the vertical pipe opening (14); a gear (18) is rotatably mounted between the pair of ear plates (12) via a rotating shaft, so that one side of the gear (18) passes through the vertical pipe opening (14) and is meshed and transmission-connected with the sawtooth groove (13); one end of the rotating rod (19) is coaxially fixedly connected with the rotating shaft of the gear (18); the latch (15) passes through and is connected to the pair of ear plates (12) and the gear (18).

8. The fast adjustable hanging hole template support device according to claim 7 is characterized in that: A first through hole (16) is formed on the pair of ear plates (12); a convex shaft (181) is formed at the center of one end of the gear (18), and the convex shaft (181) passes through the first through hole (16) of one of the ear plates (12); a threaded hole (182) is formed at the center of the other end of the gear (18), one end of the rotating shaft is coaxially connected to the other end of the gear (18) through the threaded hole (182) by means of a thread, and the other end of the rotating shaft passes through the first through hole (16) of the other ear plate (12) and is coaxially fixed to one end of the rotating rod (19).

9. The fast adjustable hanging hole template support device according to claim 7 or 8 is characterized in that: The pair of ear plates (12) are formed with second through holes (17), and the gear (18) is formed with a plurality of third through holes at intervals. The plurality of third through holes are arranged at intervals along the circumference of the gear (18), so that the latch (15) can pass through the pair of second through holes (17) and one of the third through holes.

10. The fast adjustable hanging hole template support device according to claim 5 is characterized in that: The base component (3) includes a supporting base plate (20), a supporting connecting column (21) and a supporting cross bar (22); the bottom of the supporting connecting column (21) is fixedly installed at the center of the top surface of the supporting base plate (20), and the top of the supporting connecting column (21) is detachably threadedly connected to the lower end of the vertical base pipe (11); a plurality of supporting cross bars (22) are respectively installed at intervals on the bottom surface of the supporting base plate (20), and the upper ends of a plurality of inclined supporting rods (23) are respectively rotatably and adjustably connected to the plurality of supporting connecting columns (21) by bolts (25), so that the lower ends of the plurality of inclined supporting rods (23) can be erected around the reserved hole below the hanging hole; a pull rod (24) is movably connected between two adjacent inclined supporting rods (23).

Images