A movable support construction operation platform for elevator shafts

Abstract

The present invention relates to the technical field of construction engineering, and discloses a movable support construction operation platform for elevator shafts, which includes a sliding platform, a lifting device and sliding tracks. Sliding tracks are arranged on the sliding platform, and a wall formwork for the construction of shaft shear walls is slidably assembled in the sliding tracks. The sliding platform is also provided with inclined rods with adjustable lengths, and the inclined rods are used to drive the wall formwork to slide. The top end of the inclined rod is hinged to the wall formwork through a hinge seat, and the bottom end of the inclined rod is guidingly assembled in the sliding tracks. The lifting device lifts the sliding platform to move on the sliding tracks. After the sliding platform moves to the working position, the construction workers can adjust the length and angle of the inclined rods. The bottom end of the inclined rod moves in the sliding tracks and moves away from the wall formwork, and the top end of the inclined rod pushes the wall formwork to slide in the sliding tracks and approach the shear wall, and the wall formwork is used as a construction formwork for the construction of the shear wall, eliminating the need for construction workers to additionally arrange formworks and reducing the workload of construction workers.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, and particularly to a construction operation platform for an elevator shaft with movable supports. Background Art

[0002] During the construction of high-rise buildings, the protection of the elevator shaft side is the key point of on-site safety control. Usually, the elevator shaft passage runs through the entire building, and shear walls are arranged on the side of the elevator shaft for weighing. When constructing the shear walls on the side of the elevator shaft for each floor, workers must have a safe operation platform for formwork support construction of the elevator shaft shear walls. In actual on-site operations, usually several methods such as scaffolding erection operation platforms, floor-retained steel mesh operation platforms, and factory-standardized processed truss-type operation platforms are used for the construction of the side structure of the elevator shaft.

[0003] Although the scaffolding erection operation platform is the most commonly used and has a relatively low cost, the erection height of the scaffolding operation platform has certain limitations and cannot meet the construction requirements of high-rise building elevator shafts. The floor-retained steel mesh operation platform is also widely used. That is, when constructing the surrounding structure of the elevator shaft, steel meshes are pre-retained around the elevator shaft for each floor, and then formworks are laid on the steel mesh surface to form a safe operation platform for the construction of the surrounding structure of the elevator shaft. Although the construction method of the retained steel mesh operation platform gets rid of the limitation of the floor height, due to the relatively large flexibility of the steel mesh, when workers operate on such a platform surface, partial area load concentration is likely to occur, and the safety reliability is relatively low. The factory-standardized processed truss-type operation platform is usually a formed product, usually a truss-type stable structure. However, since the specifications of the elevator shafts of each building are quite inconsistent, it is usually necessary to process and customize formed products according to the actual situation of each project, which greatly increases the construction cost and is not conducive to cost control.

[0004] The Chinese utility model patent with the authorization announcement number of CN211447720U discloses a climbing-type elevator shaft construction operation platform installed in the elevator shaft of the main structure, including a climbing frame arranged in the elevator shaft and capable of climbing upward along the elevator shaft. A support and limit structure cooperating with the main structure is installed on the side of the climbing frame, and the climbing frame is supported and limited on the main structure through the support and limit structure; and a working platform suspended on the climbing frame and capable of ascending and descending along the climbing frame.

[0005] The above-mentioned elevator shaft construction operation platform arranges a climbing frame in the elevator shaft. The working platform uses a crane to ascend and descend layer by layer on the climbing frame to construct each layer of the elevator shaft, breaking through the height limitation of the existing operation platform and having relatively high safety. However, no formwork is arranged on the above-mentioned operation platform, and during construction, construction workers still need to arrange formwork on the operation platform for shear wall construction, increasing the workload of the construction workers. Summary of the Invention

[0006] The object of the present invention is to provide a movable - supported construction operation platform for elevator shafts, so as to solve the problem that in the prior art, the construction personnel arrange formworks on the operation platform for shear wall construction, which increases the workload of the construction personnel.

[0007] To achieve the above object, the present invention provides a movable - supported construction operation platform for elevator shafts, including a sliding platform, a lifting device connected to the sliding platform, and a sliding track arranged on the elevator shaft. A sliding track is arranged on the sliding platform, and a wall formwork for shaft shear wall construction is slidably assembled in the sliding track. An inclined rod with adjustable length is also arranged on the sliding platform. The inclined rod is used to drive the wall formwork to slide. The top end of the inclined rod is hinged to the wall formwork through a hinge seat, and the bottom end of the inclined rod is guidingly assembled in the sliding track.

[0008] Preferably, the inclined rod includes an upper connecting rod and a lower connecting rod. The top end of the upper connecting rod is hinged to the wall formwork. The bottom end of the lower connecting rod is guidingly assembled in the sliding track. A sliding cylinder is arranged at one end of the lower connecting rod close to the upper connecting rod. The upper connecting rod is inserted into the sliding cylinder, and a positioning connection assembly for positioning and connecting the upper connecting rod and the sliding cylinder is also arranged outside the upper connecting rod and the sliding cylinder.

[0009] Preferably, the positioning connection assembly includes an upper rotating sleeve, a lower rotating sleeve, and a connecting sleeve. The upper rotating sleeve is threadedly assembled on the upper connecting rod. The lower rotating sleeve is threadedly assembled on the sliding cylinder. Threads are arranged on the outer parts of both the upper rotating sleeve and the lower rotating sleeve. The connecting sleeve is used for threadedly connecting the upper rotating sleeve and the lower rotating sleeve.

[0010] Preferably, a connecting spring is also arranged in the sliding cylinder. One end of the connecting spring is connected to the bottom of the sliding cylinder, and the other end is connected to the upper connecting rod.

[0011] Preferably, template bottom rollers are arranged at the bottom of the wall formwork, and rod bottom rollers are arranged at the bottom of the inclined rod. Both the template bottom rollers and the rod bottom rollers are rolling - assembled in the sliding track, and transverse baffles are arranged at both ends of the sliding track.

[0012] Preferably, a first clamping plate is detachably arranged at one end of the sliding track close to the wall formwork. The first clamping plate is used for positioning the template bottom rollers. A second clamping plate is also detachably arranged at the other end of the sliding track far from the wall formwork. The second clamping plate is used for positioning the rod bottom rollers.

[0013] Preferably, both the first clamping plate and the second clamping plate are horizontally rotatably assembled on the sliding track, and the first clamping plate and the second clamping plate are detachably connected to the sliding track by bolts.

[0014] Preferably, the climbing platform has a first side close to the shear wall of the elevator shaft and a second side close to the floor slab of the elevator shaft. The climbing track is arranged on the first side, and the wall formwork is arranged on the first side and parallel to the shear wall. The wall formwork is connected to the climbing track to form a construction formwork for the shear wall.

[0015] Preferably, there are two first sides in total, and the two first sides are perpendicular to each other. The climbing tracks are arranged in the middle of each first side. The wall formwork includes a first formwork, a second formwork, a third formwork, and a fourth formwork. The first formwork and the second formwork are arranged on both sides of the climbing track on one first side, and the third formwork and the fourth formwork are arranged on both sides of the climbing track on the other first side. The second formwork and the fourth formwork are arranged adjacent to each other. A first rotating formwork is rotatably assembled at one end of the second formwork close to the fourth formwork, and a second rotating formwork is rotatably assembled at one end of the fourth formwork close to the second formwork. An avoidance notch is provided on the first rotating formwork or the second rotating formwork.

[0016] Preferably, the surface of the second rotating formwork away from the shear wall is an arc surface recessed inward, and the arc surface forms the avoidance notch.

[0017] Compared with the prior art, the beneficial effect of the elevator shaft construction operation platform with movable support in the embodiment of the present invention is as follows: The lifting device lifts the climbing platform to move up and down on the climbing track. After the climbing platform moves to the working position, the construction workers can adjust the length and angle of the inclined rod. The bottom end of the inclined rod moves in the sliding track and moves away from the wall formwork, and the top end of the inclined rod pushes the wall formwork to slide in the sliding track and approach the shear wall. The wall formwork is used as the construction formwork to construct the shear wall, completing the construction of the shear wall, and eliminating the need for construction workers to arrange formwork separately, reducing the workload of construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a plan view of the elevator shaft construction operation platform with movable support of the present invention;

[0019] Figure 2 is a side view of the elevator shaft construction operation platform with movable support of the present invention;

[0020] Figure 3 is a cross-sectional view of the climbing platform of the elevator shaft construction operation platform with movable support of the present invention;

[0021] Figure 4 It is a schematic connection diagram of the jacking platform and the shear wall of the movable - supported construction operation platform for elevator shafts of the present invention;

[0022] Figure 5 It is a side schematic view of the diagonal rod of the movable - supported construction operation platform for elevator shafts of the present invention;

[0023] Figure 6 It is a front schematic view of the diagonal rod of the movable - supported construction operation platform for elevator shafts of the present invention;

[0024] Figure 7 It is a top - view of the diagonal rod of the movable - supported construction operation platform for elevator shafts of the present invention;

[0025] Figure 8 It is a cross - sectional view of the diagonal rod of the movable - supported construction operation platform for elevator shafts of the present invention;

[0026] Figure 9 It is Figure 8 an enlarged schematic view of the positioning and connecting assembly of the diagonal rod;

[0027] Figure 10 It is a structural schematic view of the jacking track of the movable - supported construction operation platform for elevator shafts of the present invention;

[0028] Figure 11 It is Figure 10 the A - A cross - sectional view of the jacking track of the movable - supported construction operation platform for elevator shafts;

[0029] Figure 12 It is Figure 10 the B - B cross - sectional view of the jacking track of the movable - supported construction operation platform for elevator shafts;

[0030] Figure 13 It is a plan schematic view of the lifting device of the movable - supported construction operation platform for elevator shafts of the present invention;

[0031] Figure 14 It is a side schematic view of the lifting device of the movable - supported construction operation platform for elevator shafts of the present invention;

[0032] Figure 15 It is a structural schematic view of the movable - supported construction operation platform for elevator shafts of the present invention when the first rotating formwork and the second rotating formwork are not rotated out;

[0033] Figure 16 It is a structural schematic view of the movable - supported construction operation platform for elevator shafts of the present invention when the first rotating formwork is rotated out;

[0034] Figure 17It is a schematic structural view when both the first rotating formwork and the second rotating formwork of the elevator shaft construction operation platform with movable support of the present invention are rotated out;

[0035] Figure 18 It is a schematic structural view when the wall formwork of the elevator shaft construction operation platform with movable support of the present invention is pushed out.

[0036] In the figure, 1, shear wall; 101, reserved groove; 102, in-wall steel bars; 2, floor slab; 3, climbing platform; 31, platform body; 32, plug; 33, positioning cross bar; 34, climbing rollers; 35, spring; 36, connecting pin; 37, side lifting ring of platform board; 38, temporary positioning steel wire rope; 4, lifting ring; 5, sliding track; 51, track body; 52, first clamping plate; 53, first connecting bolt; 54, second clamping plate; 55, second connecting bolt; 6, first formwork; 7, second formwork; 8, first rotating hinge; 9, first rotating formwork; 10, third formwork; 11, fourth formwork; 12, second rotating hinge; 13, second rotating formwork; 14, inclined rod; 141, upper connecting rod; 142, hinge seat; 143, lower connecting rod; 144, sliding cylinder; 145, upper rotating sleeve; 146, lower rotating sleeve; 147, connecting sleeve; 148, bottom roller of rod; 15, bottom roller of formwork; 16, connecting plate between plates; 17, climbing track; 171, track body; 172, flange bolt; 18, embedded bolt; 19, lifting device; 191, load-bearing main beam; 192, rectangular ring beam; 193, inner cross beam; 194, inner longitudinal beam; 195, inner connecting beam; 196, traction motor; 197, sandbag; 198, clamping rod; 199, rotating shaft; 1910, first lifting pulley; 1911, first cantilever beam; 1912, first steel wire rope; 1913, second lifting pulley; 1914, second cantilever beam; 1915, second steel wire rope; 1916, bottom vertical beam; 1917, rolling support leg. Detailed implementation manners

[0037] The following combines the drawings and embodiments to further describe in detail the specific implementation manners of the present invention. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0038] A preferred embodiment of an elevator shaft construction operation platform with movable support of the present invention is as Figures 1 to 18As shown in the figure, the movable support construction operation platform for the elevator shaft includes a climbing platform 3, a lifting device 19, climbing tracks 17 and wall formwork. The climbing platform 3 provides a construction space for construction workers. The lifting device 19 is used to lift the climbing platform 3 upward. The climbing tracks 17 are lifted layer by layer with the construction floor. The climbing tracks 17 are used for guiding and assembling with the climbing platform 3, so that the entire climbing platform 3 can rise evenly along the climbing tracks 17, preventing the climbing platform 3 from tilting under the uneven action of the lifting force.

[0039] Generally, the elevator shaft is surrounded by shear walls 1 and floor slabs 2. The shear wall 1 is the load-bearing structure of the elevator shaft. During on-site construction, after the construction of the shear wall 1 and the floor slab 2 on a certain floor is completed, since the elevator shaft is hollow from top to bottom, when constructing the next floor, there is no operating platform for construction workers to stand on the shear wall 1 of the next floor, and thus the formwork on one side of the shear wall 1 of the next floor cannot be erected. The movable support construction operation platform for the elevator shaft provides a construction platform for the elevator shaft construction. In this embodiment, two sides of the elevator shaft are shear walls 1 and two sides are floor slabs 2. The two shear walls 1 are adjacent to each other, and the two floor slabs 2 are adjacent to each other. In other embodiments, the number and positions of the shear walls 1 and the floor slabs 2 can be selected according to the actual construction situation.

[0040] The climbing platform 3 includes a platform body 31, and the platform body 31 provides a standing station for construction workers. The platform body 31 is a rectangular flat plate structure, and its four sides are parallel to and correspond to the four sides of the elevator shaft. The side of the platform body 31 close to the shear wall 1 is defined as the first side, and the side close to the floor slab 2 is defined as the second side. A rectangular notch is arranged at the middle position of the first side of the climbing platform 3. The rectangular notch is used to arrange the climbing tracks 17 so that the climbing tracks 17 and the wall formwork on the climbing platform 3 can be flush.

[0041] The climbing tracks 17 are detachably assembled with the shear wall 1 to achieve layer-by-layer lifting along with the construction of the shear wall 1. The climbing tracks 17 include a rail body 171 and a fixing plate connected to the rail body 171. The fixing plate and the rail body 171 are connected by a web. The fixing plate is used for detachable connection with the shear wall 1. Connecting holes are respectively opened at the upper and lower ends of the fixing plate. The connecting holes can penetrate the embedded bolts 18 embedded in the shear wall 1 to temporarily fix the entire climbing tracks 17 on the side of the shear wall 1. Four connecting holes are arranged at each of the upper and lower ends, and the four connecting holes are arranged in a rectangle.

[0042] After the construction of a certain floor is completed, the construction workers can use the lifting device 19 to lift the climbing formwork platform 3, and the entire climbing formwork platform 3 slides upward along the climbing track 17. After the climbing formwork platform 3 slides to the floor to be constructed at the top of the climbing track 17, the climbing formwork platform 3 is temporarily supported in the elevator shaft by the support member, and at this time the climbing track 17 is in the second state. Then the construction workers remove the embedded bolts 18 on the fixing plate of the climbing track 17, manually extract the climbing track 17, and then connect the connection holes at the bottom of the fixing plate of the climbing track 17 with the embedded bolts 18 in the shear wall 1 that has been constructed. The top of the climbing track 17 is suspended, and at this time the climbing track 17 is in the first state, and the climbing track 17 can be used as a part of the construction formwork of the shear wall 1.

[0043] The rail body 171 includes two mutually parallel flanges and a web connecting the two flanges. The web and the flanges are perpendicular to each other, the flanges are arranged parallel to the fixing plate, and the width of the flanges is smaller than the width of the fixing plate. The entire climbing track 17 forms a king-shaped structure. There is a gap between the two flanges, and two climbing rollers 34 are arranged in each rectangular notch of the climbing formwork platform 3. There are two climbing rollers 34 and they are symmetrically arranged. The two climbing rollers 34 extend into the gap between the two flanges and are located on both sides of the web. When the climbing formwork platform 3 is lifted, the climbing rollers 34 contact the flanges, so that the climbing formwork platform 3 rises evenly along the climbing track 17, avoiding the inclination of the climbing formwork platform 3.

[0044] Inter-plate connecting plates 16 are arranged on the flange far from the fixed side. A plurality of inter-plate connecting plates 16 are arranged at intervals along the extending direction of the flange. The inter-plate connecting plates 16 and the flange are detachably connected by flange bolts 172. The other end of the inter-plate connecting plate 16 is detachably connected to the wall formwork by flange bolts 172. The inter-plate connecting plates 16 connect the climbing track 17 and the wall formwork, so that the climbing track 17 and the wall formwork together form the construction formwork of the shear wall 1.

[0045] Supports are arranged on the first side and the second side of the climbing formwork platform 3. The supports are detachably connected to the elevator shaft to change the support state of the climbing formwork platform 3. When the climbing track 17 is in the first state, the supports are used to connect to the elevator shaft to temporarily support the climbing formwork platform 3 for the construction workers to carry out the construction operation of the shear wall 1; when the climbing track 17 is in the second state, the supports are disconnected from the elevator shaft to avoid the elevator shaft and prevent the climbing formwork platform 3 from interfering with the elevator shaft during lifting.

[0046] The support member includes a plug 32, a positioning cross bar 33, and a temporary positioning steel wire rope 38. The plug 32 is elastically arranged on the first side edge of the platform plate body 31. Two plugs 32 are arranged on each first side edge, and the two plugs 32 are evenly and symmetrically arranged on both sides of the rectangular notch on the first side edge. A rectangular reserved groove 101 is reserved on the shear wall 1, and the plug 32 can be elastically inserted into the reserved groove 101 to support the platform plate body 31. The positioning cross bar 33 is detachably arranged on the second side edge of the platform plate body 31. A plurality of positioning cross bars 33 are arranged at intervals on each second side edge. The positioning cross bar 33 is used to be erected on the floor slab 2 to support the platform plate body 31.

[0047] Slots are arranged on the first side edge, and the plug 32 is elastically assembled in the slots. The slots are of a cube structure, and the plug 32 can be inserted into the slots to prevent interference with the elevator shaft when the slip form platform 3 rises. The plug 32 includes a connecting pin 36 and a spring 35. The connecting pin 36 is movably assembled in the slots. The spring 35 is press-fitted between the bottom of the slots and the connecting pin 36. Both ends of the spring 35 are welded and fixed to the bottom of the slots and the connecting pin 36 respectively. The end face of the connecting pin 36 for inserting into the reserved groove 101 is an inclined surface to facilitate retracting the connecting pin 36.

[0048] When the slip form platform 3 slides up to the next floor for construction, under the elastic action of the spring 35, the connecting pin 36 can elastically extend into the reserved groove 101 of the shear wall 1 to support the platform plate body 31. At this time, the slip form platform 3 can be temporarily fixed to prevent the entire slip form platform 3 from falling. When the slip form platform 3 needs to rise, the construction workers overcome the elastic force of the spring 35 and pull back the connecting pin 36. The connecting pin 36 enters the slots to avoid interference between the plug 32 and the shear wall 1 and affect the rising of the slip form platform 3.

[0049] Sockets are arranged on each second side edge. A number of sockets are evenly arranged on the second side edge. One positioning cross bar 33 is inserted into one socket. When the entire slip form platform 3 is located on a certain floor, the positioning cross bar 33 can be inserted into the socket on the side of the platform plate body 31. The other end of the positioning cross bar 33 is erected on the top surface of the floor slab 2. At this time, the two second side edges of the slip form platform 3 can be temporarily supported and fixed. When the construction of one floor is completed and the entire slip form platform 3 is lifted upward, the construction workers can pull out the positioning cross bar 33 to make the slip form platform 3 rise without obstruction.

[0050] On the end face of the first side of the platform plate body 31, a platform plate side lifting ring 37 is also arranged. The temporary positioning steel wire rope 38 is connected to the platform plate side lifting ring 37, and the other end of the temporary positioning steel wire rope 38 is used to connect to the connecting pin 36 or the internal wall steel bar 102 in the shear wall 1. When the sliding formwork platform 3 is temporarily supported by the support member, in order to increase the reliability of the temporary fixation, the temporary positioning steel wire rope 38 can be temporarily connected to the internal wall steel bar 102; when the construction of one floor is completed and the sliding formwork platform 3 slides upward, the connection between the temporary positioning steel wire rope 38 and the internal wall steel bar 102 can be loosened, the plug 32 is pulled out from the reserved groove 101 of the shear wall 1, and the temporary positioning steel wire rope 38 is temporarily connected to the connecting pin 36 of the plug 32, so as to realize the separation of the entire sliding formwork platform 3 from the shear wall 1.

[0051] The lifting device 19 includes a base, a load-bearing main beam 191, a traction motor 196 and a load-bearing load. The base is the support foundation of the lifting device 19, and the load-bearing main beam 191, the traction motor 196 and the load-bearing load are all arranged on the base. The load-bearing main beam 191 is connected to the middle of the base. The load-bearing main beam 191 is the load-bearing main body used to lift the sliding formwork platform 3. The load-bearing main beam 191 is made of an I-beam or a channel steel. One end of it is connected to the middle position of the base, that is, the rectangular ring beam 192 is symmetrically arranged with the load-bearing main beam 191 as the axis of symmetry. Two rotating shafts 199 are respectively arranged at both ends of the top surface of the load-bearing main beam 191, and a clamping rod 198 is connected between the two rotating shafts 199, so that the clamping rod 198 is rotationally assembled on the load-bearing main beam 191, and the clamping rod 198 extends along the axial direction of the load-bearing main beam 191. Bending heads are respectively arranged at both ends of the clamping rod 198, and the bending directions of the two bending heads are opposite, so that the two bending heads extend from different directions. A bottom vertical beam 1916 is vertically connected to the lower part of the end of the load-bearing main beam 191 far away from the base. When the clamping rod 198 rotates, the bending head and the bottom vertical beam 1916 are respectively located on both sides of the shear wall 1, so that the bending head, the bottom vertical beam 1916 and the shear wall 1 are clamped, thereby temporarily connecting the end of the load-bearing main beam 191 to the shear wall 1 and preventing the load-bearing main beam 191 from moving.

[0052] The base includes a rectangular ring beam 192, inner cross beams 193, inner longitudinal beams 194 and inner connecting beams 195. The plane of the rectangular ring beam 192 is in a rectangular ring structure. Four rolling legs 1917 are provided at the four corners of the bottom of the rectangular ring beam 192, and rolling wheels are arranged on each rolling leg 1917. The rolling legs 1917 and the rolling wheels facilitate the movement of the rectangular ring beam 192 on the floor slab 2. One end of the load-bearing main beam 191 is connected to the middle of one side of the rectangular ring beam 192, so that the rectangular ring beam 192 is symmetrically arranged with the load-bearing main beam 191 as the axis of symmetry. Inner cross beams 193, inner longitudinal beams 194 and inner connecting beams 195 are provided inside the rectangular ring beam 192. There are multiple inner longitudinal beams 194, and their plane distribution is symmetrically distributed with the load-bearing main beam 191 as the axis of symmetry. Inner cross beams 193 are connected between all the inner longitudinal beams 194 on one side. The setting positions of all the inner cross beams 193 are mainly set according to the layout of the traction motors 196 and the load-bearing loads.

[0053] In this embodiment, the load-bearing load is a sandbag 197. The sandbag 197 is used to bear the force of the base when lifting the slip form platform 3 to prevent the base from tilting. The traction motors 196 are arranged on the base. The plane truss formed by the connection of the inner cross beams 193 and the inner longitudinal beams 194 mainly bears the weights of the traction motors 196 and the sandbag 197. The two inner longitudinal beams 194 close to the load-bearing main beam 191 and symmetrically distributed with the load-bearing main beam 191 as the axis of symmetry are connected together by the inner connecting beam 195. The traction engine and the sandbag 197 are placed on the top surface of the truss formed by the inner cross beams 193 and the inner longitudinal beams 194. The sandbag 197 plays a role in ballasting when the load-bearing main beam 191 is pressed under the action of force. The traction motors 196 are the power sources of the entire lifting device 19. There are two traction motors 196, and the two traction motors 196 are symmetrically distributed in a plane with the load-bearing main beam 191 as the axis of symmetry.

[0054] Lifting rings 4 are arranged on the platform body 31. There are four lifting rings 4 in total, and the four lifting rings 4 are evenly arranged in a rectangle. The traction motors 196 and the lifting rings 4 are connected by steel wires. Two groups of cantilever beams are vertically arranged on the load-bearing main beam 191. The cantilever beams are used to support the lifting pulleys. Lifting pulleys are respectively rotatably assembled on the two groups of cantilever beams. The steel wires bypass the lifting pulleys and are connected to the lifting rings 4. The lifting pulleys are used to change the direction of the steel wires and reduce the lifting resistance.

[0055] Define two groups of cantilever beams as the first cantilever beam 1911 and the second cantilever beam 1914 respectively. The lifting pulleys on the first cantilever beam 1911 are the first lifting pulleys 1910, and the lifting pulleys on the second cantilever beam 1914 are the second lifting pulleys 1913. There are two of the first cantilever beam 1911 and the second cantilever beam 1914 each. The first lifting pulley 1910 is rotationally assembled between the two first cantilever beams 1911, and the second lifting pulley 1913 is rotationally assembled between the two second cantilever beams 1914. Each of the two traction motors 196 is connected to a steel wire rope. Define the two steel wire ropes as the first steel wire rope 1912 and the second steel wire rope 1915. The first steel wire rope 1912 passes through the first lifting pulley 1910 and hangs down, connecting to two lifting rings 4 on the same side at the bottom of the sliding formwork platform 3. The gap between the two first cantilever beams 1911 allows the first steel wire rope 1912 to pass through. Similarly, the second steel wire rope 1915 passes through the second lifting pulley 1913 and hangs down, connecting to two lifting rings 4 on the other side at the top of the sliding formwork platform 3. The gap between the two second cantilever beams 1914 allows the second steel wire rope 1915 to pass through.

[0056] In this embodiment, there are two first side edges in total. The two first side edges are perpendicular to each other and arranged adjacent to each other, that is, the two first side edges are two adjacent right-angle sides of the platform board body 31. One sliding track 17 is arranged on each first side edge, and wall formworks are arranged on both first side edges. The wall formworks are parallel to the shear wall 1, and after the wall formworks and the sliding track 17 are connected by flange bolts 172, they together form the construction formwork of the shear wall 1.

[0057] The wall formworks are arranged on the sliding formwork platform 3 and are used to provide formwork support for the construction of the shear wall 1 of the elevator shaft. A sliding track 5 is arranged on the top surface of the platform board body 31 of the sliding formwork platform 3. The longitudinal direction of the sliding track 5 is perpendicular to the side edge of the platform board body 31, and the sliding track 5 is arranged along the first side edge of the platform board body 31 close to the shear wall 1. There are two groups of sliding tracks 5 in total. Each group of sliding tracks 5 is perpendicular to a corresponding first side edge, and multiple sliding tracks 5 in each group are parallel to each other. The wall formworks are slidably assembled on the sliding tracks 5.

[0058] The wall formworks include a first formwork 6, a second formwork 7, a third formwork 10, and a fourth formwork 11. The first formwork 6 and the second formwork 7 are arranged on one first side edge, and the third formwork 10 and the fourth formwork 11 are arranged on the other first side edge. And the first formwork 6 and the second formwork 7 are located on both sides of the sliding track 17, and the third formwork 10 and the fourth formwork 11 are located on both sides of the sliding track 17. The first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11 are all standardized formworks, such as steel formworks, aluminum formworks, etc. The width dimensions of the first formwork 6 and the third formwork 10 are larger than the width dimensions of the second formwork 7 and the fourth formwork 11. Therefore, the number of sliding tracks 5 at the bottom of the first formwork 6 and the third formwork 10 is relatively large.

[0059] At the bottom of the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11, formwork bottom rollers 15 are arranged. The formwork bottom rollers 15 are rotatably assembled in the sliding tracks 5. The number of the formwork bottom rollers 15 is the same as that of the sliding tracks 5. The formwork bottom rollers 15 can enable the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11 to move longitudinally freely in the sliding tracks 5, reduce the resistance when the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11 move, and reduce the workload of construction workers.

[0060] The second formwork 7 and the fourth formwork 11 are arranged adjacent to each other. At one end of the second formwork 7 close to the fourth formwork 11, a plurality of first rotating hinges 8 are provided. A first rotating formwork 9 is connected to the first rotating hinges 8. The second formwork 7 and the first rotating formwork 9 are rotationally assembled through the first rotating hinges 8. At one end of the fourth formwork 11 close to the second formwork 7, a plurality of second rotating hinges 12 are provided. A second rotating formwork 13 is connected to the second rotating hinges 12. The fourth formwork 11 and the second rotating formwork 13 are rotationally assembled through the second rotating hinges 12. The first rotating formwork 9 and the second rotating formwork 13 are also standardized products, made of materials such as steel formwork and aluminum alloy formwork. The sliding tracks 5 and the formwork bottom rollers 15 are not provided at the bottom of the first rotating formwork 9 and the second rotating formwork 13.

[0061] The surface of the second rotating formwork 13 away from the shear wall 1 and facing the inside of the elevator shaft is an inwardly concave arc surface, so that the thickness of the second rotating formwork 13 gradually decreases along the direction close to the first rotating formwork 9. The reason for this is that the first rotating formwork 9, the second rotating formwork 13, the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11 are all formworks for the formwork support of the shear wall 1, enclosing a construction formwork system for the shear wall 1. The ends of the first rotating formwork 9 and the second rotating formwork 13 are adjacent. After the concrete of the shear wall 1 is poured, all the formworks need to be withdrawn and lifted to the next floor for the construction of the shear wall 1. The formworks will all be pulled out along the sliding tracks 5. Since the direction of the sliding tracks 5 is fixed, it will cause interference between the second formwork 7 and the fourth formwork 11 and they cannot be pulled out. At this time, only the first rotating formwork 9 and the second rotating formwork 13 need to be rotated out in advance to give space for the second formwork 7 and the fourth formwork 11 to withdraw. The side surface of the second rotating formwork 13 is made into a circular arc shape, which can avoid the first rotating formwork 9 and facilitate the rotation of the first rotating formwork 9 out. The arc surface forms an avoidance notch on the second rotating formwork 13.

[0062] During the construction of shear wall 1, for the shear wall 1 on the same side, the first formwork 6, the second formwork 7, the first rotating formwork 9 and the climbing track 17 form a construction formwork system. For the corresponding shear wall 1 on the other side, the third formwork 10, the fourth formwork 11, the second rotating formwork 13 and the climbing track 17 form a construction formwork system for the other side shear wall 1. The first formwork 6 and the second formwork 7 are connected to the climbing track 17 through the inter-panel connecting plate 16. Similarly, the third formwork 10 and the fourth formwork 11 are connected to the climbing track 17 through the inter-panel connecting plate 16.

[0063] Diagonal rods 14 are connected to the inner sides of the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11. The number of diagonal rods 14 is the same as the number of sliding tracks 5. At the bottom of each diagonal rod 14, a rod bottom roller 148 is arranged, and the rod bottom roller 148 is rollingly assembled in the sliding track 5. At the top of the diagonal rod 14, a hinge seat 142 is arranged. The hinge seat 142 is used for fixed assembly on each formwork, so that when the bottom of the diagonal rod 14 slides in the sliding track 5, the top can rotate in the vertical plane. The function of the top of the diagonal rod 14 is to provide a diagonal brace for the sides of the first formwork 6, the second formwork 7, the third formwork 10, and the fourth formwork 11, preventing each formwork from tipping over, and each formwork and the diagonal rod 14 form a stable triangular support system.

[0064] The length of the diagonal rod 14 is adjustable, which ensures sufficient stiffness and has a certain degree of flexible telescoping. The diagonal rod 14 includes an upper connecting rod 141, a lower connecting rod 143, a sliding cylinder 144, an upper rotating sleeve 145, a lower rotating sleeve 146, and a connecting sleeve 147. The sliding cylinder 144 is arranged on the lower connecting rod 143, and the upper rotating sleeve 145, the lower rotating sleeve 146, and the connecting sleeve 147 form a positioning connection assembly for positioning and connecting the upper connecting rod 141 and the sliding cylinder 144.

[0065] The cross-section of the upper connecting rod 141 is circular. The hinge seat 142 is arranged at the top of the upper connecting rod 141, and the upper connecting rod 141 is hinged to each formwork through the hinge seat 142. The rod bottom roller 148 is arranged at the bottom end of the lower connecting rod 143, and the lower connecting rod 143 is rollingly assembled in the sliding track 5 through the rod bottom roller 148. A sliding cylinder 144 is fixedly arranged at the top of the lower connecting rod 143 close to the upper connecting rod 141. The sliding cylinder 144 is a hollow structure, and the cross-section of the sliding cylinder 144 is a ring. The lower end of the upper connecting rod 141 is inserted into the internal hollow space of the sliding cylinder 144. A connecting spring is also arranged in the sliding cylinder 144. After the upper connecting rod 141 is inserted into the inside of the sliding cylinder 144, one end of the connecting spring is connected to the bottom of the sliding cylinder 144, and the other end is connected to the upper connecting rod 141. The connecting spring allows the upper connecting rod 141 to slide in the sliding cylinder 144, but does not allow the two to be easily separated.

[0066] The bottom end of the upper connecting rod 141 is provided with threads. Threads are arranged both inside and outside the upper rotating sleeve 145, and the upper rotating sleeve 145 is threadedly assembled on the upper connecting rod 141. Threads are arranged on the outside of the sliding cylinder 144. The outer diameter of the sliding cylinder 144 is larger than the outer diameters of the upper connecting rod 141 and the lower connecting rod 143. The lower rotating sleeve 146 is rotatably assembled on the outside of the sliding cylinder 144 by threads, and threads are arranged both inside and outside the lower rotating sleeve 146. Since the outer diameter of the sliding cylinder 144 is larger than the outer diameter of the upper connecting rod 141, the inner diameter of the upper rotating sleeve 145 is smaller than the inner diameter of the lower rotating sleeve 146, while the outer diameters of the upper rotating sleeve 145 and the lower rotating sleeve 146 are the same. Threads are arranged on the inner side of the connecting sleeve 147, and this thread can be screwed in and out on the outer threads of the upper rotating sleeve 145 and the lower rotating sleeve 146. The upper rotating sleeve 145 and the lower rotating sleeve 146 are threadedly connected through the connecting sleeve 147 to realize the connection or separation of the upper rotating sleeve 145 and the lower rotating sleeve 146.

[0067] The sliding track 5 includes a track body 51, a first clamping plate 52, a first connecting bolt 53, a second clamping plate 54, and a second connecting bolt 55. The cross-section of the track body 51 is U-shaped, and the upper part of the track body 51 is not completely open. The bottom rollers 15 of the formwork and the bottom rollers 148 of the rod are both rotatably assembled inside the track body 51. Cross baffles are arranged at both ends of the track body 51, and the cross baffles are used to limit the positions of the bottom rollers 15 of the formwork and the bottom rollers 148 of the rod to prevent the bottom rollers 15 of the formwork and the bottom rollers 148 of the rod from running outside the track body 51.

[0068] The first clamping plate 52 is detachably arranged at one end of the track body 51 close to the wall formwork, and the first clamping plate 52 is used to position the bottom rollers 15 of the formwork. The second clamping plate 54 is detachably arranged at one end of the track body 51 far from the wall formwork, and the second clamping plate 54 is used to position the bottom rollers 148 of the rod. The detachable arrangement enables the first clamping plate 52 and the second clamping plate 54 to avoid the moving bottom rollers 15 of the formwork and the bottom rollers 148 of the rod, and at the same time limit them when the bottom rollers 15 of the formwork and the bottom rollers 148 of the rod move into place to prevent them from moving.

[0069] In this embodiment, the first clamping plate 52 and the second clamping plate 54 are both rotatably assembled on the track body 51. The first clamping plate 52 and the second clamping plate 54 can rotate horizontally on the track body 51. The other end of the first clamping plate 52 is detachably connected to the track body 51 through the first connecting bolt 53, and the other end of the second clamping plate 54 is detachably connected to the track body 51 through the second connecting bolt 55. When the bottom roller 15 of the formwork slides to one end of the track body 51, the construction worker can rotate the first clamping plate 52 to clamp the bottom roller 15 of the formwork at the end and keep it stationary. The rotating end of the first clamping plate 52 is connected to the top of the track body 51 through the first connecting bolt 53. When the bottom roller 148 of the rod slides to the other end of the track body 51, the construction worker can rotate the second clamping plate 54 to clamp the bottom roller 148 of the rod at the end and keep it stationary. The rotating end of the second clamping plate 54 is connected to the top of the track body 51 through the second connecting bolt 55.

[0070] The working process of the movable support for the elevator shaft construction operation platform of the present invention is as follows: After the shear wall 1 and the floor slab 2 of a certain floor elevator shaft are constructed, the lifting device 19 is pushed onto the constructed floor slab 2, and the load-bearing main beam 191 is just located at the central position of the elevator shaft. At this time, the bent head of the clamping rod 198 close to the shear wall 1 faces upward. One end of the bottom of the load-bearing main beam 191 is supported on the top of the shear wall 1, and the bottom vertical beam 1916 is stuck inside the shear wall 1. Then, the construction worker rotates the bent head of the clamping rod 198 close to the floor slab 2 on the already constructed floor slab 2, so that the bent head of the clamping plate close to the shear wall 1 turns downward. The bent head of the clamping rod 198 close to the shear wall 1 and the bottom vertical beam 1916 make the load-bearing main beam 191 stuck on the top of the shear wall 1.

[0071] The construction worker places sandbags 197 on the rectangular ring beam 192 to ballast one end of the entire lifting device 19 close to the floor slab 2 to prevent the lifting device 19 from shaking unstably under the action of force. Subsequently, the traction motor 196 is started, and the first steel wire rope 1912 and the second steel wire rope 1915 are lowered, so that they are respectively connected to two lifting rings 4 on the top of the platform body 31 of the slip form platform 3. Then, the traction motor 196 is reversed to slightly lift the slip form platform 3 upward, and then the traction motor 196 is stopped.

[0072] At this time, the plug 32 and the positioning cross bar 33 are temporarily separated from the reserved slot 101 of the shear wall 1 and the floor slab 2. Then, the temporary positioning steel wire rope 38 is uncovered, the plug 32 is pressed into the slot of the platform slab body 31 and temporarily positioned by the temporary positioning steel wire rope 38. The positioning cross bar 33 is withdrawn from the socket of the platform slab body 31, and the reserved slot 101 is sealed with fine aggregate concrete. The traction motor 196 is started to lift the climbing platform 3, thereby driving components such as the sliding track 5, the first formwork 6, the second formwork 7, the first rotating hinge 8, the first rotating formwork 9, the third formwork 10, the fourth formwork 11, the second rotating hinge 12, the second rotating formwork 13, the inclined rod 14, and the formwork bottom roller 15 to slide upward along the climbing track 17 together.

[0073] After lifting each component to the next floor under construction, the traction motor 196 is stopped, the temporary positioning steel wire rope 38 that temporarily fixes the plug 32 is loosened, and the plug 32 automatically pops into the reserved slot 101 of the next floor. The temporary positioning steel wire rope 38 is temporarily connected and fixed to the wall reinforcement 102 of the shear wall 1. Synchronously, the positioning cross bar 33 is inserted into the socket on the side of the platform slab body 31. At this time, the connections between the first steel wire rope 1912 and the second steel wire rope 1915 and the lifting ring 4 are released, the positioning rod 198 is rotated, the sandbag 197 is removed, and the entire lifting device 19 is pushed out of the elevator shaft. After the construction of the next floor is completed, it is manually pushed to the next floor for use.

[0074] The connection between the upper part of the climbing track 17 and the embedded bolt 18 is removed, the climbing track 17 is withdrawn, and then the lower part of the climbing track 17 is connected to the embedded bolt 18 at the lower end of the shear wall 1 under construction. At this time, since there is no concrete in the shear wall 1, there is no embedded bolt 18 at the top of the climbing track 17, and the top of the climbing track 17 is suspended.

[0075] The construction workers loosen the connections between the connecting sleeve 147 and the upper rotating sleeve 145 and the lower rotating sleeve 146, removing the fixation between the upper connecting rod 141 and the sliding cylinder 144. However, there is still a connecting spring connecting the upper connecting rod 141 and the lower connecting rod 143. At this time, since the inclined rod 14 does not form a triangular support system with the first template 6, the second template 7, the third template 10, and the fourth template 11, the construction workers can easily push the first template 6, the second template 7, the third template 10, and the fourth template 11 close to the shear wall 1 to be constructed. After all the templates are adjusted in place, the first clamping plate 52 on the sliding track 5 clamps the bottom roller 15 of the template. The connecting sleeve 147 is connected to the upper rotating sleeve 145 and the lower rotating sleeve 146, making the entire inclined rod 14 become a rigid diagonal brace, so that the inclined rod 14, each template, and the lifting platform 3 form a stable triangular support system. The first template 6, the second template 7, the third template 10, and the fourth template 11 are temporarily fixedly connected to the sliding track 17 with the inter-panel connecting plate 16. At this time, with the help of the lifting platform 3, all the templates and the sliding track 17 form a side formwork support system for the shear wall 1, and then the construction of the shear wall 1 around the elevator shaft of the floor can be carried out.

[0076] After the construction of one floor is completed, the construction work of the elevator shafts of each floor can be carried out repeatedly according to the above procedures.

[0077] In summary, the embodiment of the present invention provides a movable support construction operation platform for an elevator shaft. Its lifting device lifts the lifting platform to move up and down on the sliding track. After the lifting platform moves to the working position, the construction workers can adjust the length and angle of the inclined rod. The bottom end of the inclined rod moves within the sliding track and away from the wall formwork, and the top end of the inclined rod pushes the wall formwork to slide within the sliding track and close to the shear wall. The wall formwork is used as the construction formwork for the shear wall construction, and the construction of the shear wall is completed. There is no need for the construction workers to arrange the formwork separately, reducing the workload of the construction workers.

[0078] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and substitutions can be made, and these improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A construction operation platform for an elevator shaft with movable support, comprising a jacking platform, a lifting device connected to the jacking platform, and a jacking track for being arranged on the elevator shaft. Characterized in that, Sliding tracks are arranged on the jacking platform, and wall formworks for constructing the shaft shear wall are slidably assembled in the sliding tracks. Length-adjustable inclined rods are also arranged on the jacking platform. The inclined rods are used to drive the wall formworks to slide. The top ends of the inclined rods are hinged to the wall formworks through hinge seats. The bottom ends of the inclined rods are guidingly assembled in the sliding tracks. The inclined rods include upper connecting rods and lower connecting rods. The top ends of the upper connecting rods are hinged to the wall formworks. The bottom ends of the lower connecting rods are guidingly assembled in the sliding tracks. A sliding cylinder is arranged at one end of the lower connecting rod close to the upper connecting rod. The upper connecting rod is inserted into the sliding cylinder. A positioning and connecting component for positioning and connecting the upper connecting rod and the sliding cylinder is also arranged outside the upper connecting rod and the sliding cylinder. The positioning and connecting component includes an upper rotating sleeve, a lower rotating sleeve, and a connecting sleeve. The upper rotating sleeve is threadedly assembled on the upper connecting rod. The lower rotating sleeve is threadedly assembled on the sliding cylinder. Threads are arranged on the exteriors of both the upper rotating sleeve and the lower rotating sleeve. The connecting sleeve is used for threadedly connecting the upper rotating sleeve and the lower rotating sleeve. A connecting spring is also arranged in the sliding cylinder.

2. The construction operation platform for an elevator shaft with movable support according to claim 1, Characterized in that, One end of the connecting spring is connected to the bottom of the sliding cylinder, and the other end is connected to the upper connecting rod.

3. The construction operation platform for an elevator shaft with movable support according to claim 1 or 2, Characterized in that, Template bottom rollers are arranged at the bottom of the wall formwork, and rod bottom rollers are arranged at the bottom of the inclined rods. Both the template bottom rollers and the rod bottom rollers are rollingly assembled in the sliding tracks. Cross baffles are also arranged at both ends of the sliding tracks.

4. The construction operation platform for an elevator shaft with movable support according to claim 3, Characterized in that, A first clamping plate is detachably arranged at one end of the sliding track close to the wall formwork. The first clamping plate is used for positioning the template bottom rollers. A second clamping plate is also detachably arranged at the end of the sliding track far from the wall formwork. The second clamping plate is used for positioning the rod bottom rollers.

5. The construction operation platform for an elevator shaft with movable support according to claim 4, Characterized in that, Both the first clamping plate and the second clamping plate are horizontally rotatably assembled on the sliding track. The first clamping plate and the second clamping plate are detachably connected to the sliding track through bolts.

6. The construction operation platform for an elevator shaft with movable support according to claim 1 or 2, Characterized in that, The slip form platform has a first side adjacent to the shear wall of the elevator shaft and a second side adjacent to the floor slab of the elevator shaft. The slip rails are arranged on the first side, and the wall formwork is arranged on the first side and parallel to the shear wall. The wall formwork is connected to the slip rails to form the construction formwork for the shear wall.

7. The construction operation platform for an elevator shaft with movable supports according to claim 6, wherein, there are two first sides in total, and the two first sides are perpendicular to each other. The slip rails are arranged in the middle of each first side. The wall formwork includes a first formwork, a second formwork, a third formwork, and a fourth formwork. The first formwork and the second formwork are arranged on both sides of the slip rails on one first side, and the third formwork and the fourth formwork are arranged on both sides of the slip rails on the other first side. The second formwork and the fourth formwork are arranged adjacent to each other. A first rotating formwork is rotatably assembled at one end of the second formwork close to the fourth formwork, and a second rotating formwork is rotatably assembled at one end of the fourth formwork close to the second formwork. An avoidance notch is provided on the first rotating formwork or the second rotating formwork.

8. The construction operation platform for an elevator shaft with movable supports according to claim 7, wherein, the surface of the second rotating formwork away from the shear wall is an arc surface recessed inward, and the arc surface forms the avoidance notch.

Images