A removable and retractable edge protection fence for construction

Abstract

The present invention discloses a detachable telescopic edge protection fence for construction, which relates to the technical field of construction safety protection. The present invention forms openings from top to bottom on the left and right end walls of an inner tube by punching, and bends the metal material originally existing at the corresponding position of the opening to the inner side of the inner tube by punching, and fixes the end heads of the corresponding metal sheets on the left and right sides by spot welding, so as to strengthen the structural firmness in the inner tube, and effectively ensure the stability of the inner tube structure without significantly increasing the wall thickness of the inner tube, which is beneficial to avoid the increase in the overall weight of the telescopic protection column due to the increase in the wall thickness of the inner tube, and can effectively improve the convenience of carrying and using the telescopic protection column, and is beneficial to reduce the loss of materials in the manufacturing process of the device, so as to save resources, reduce costs and increase efficiency.

Description

Technical Field

[0001] The invention relates to the field of construction safety protection, and in particular to a detachable telescopic edge protection fence for construction. Background Art

[0002] In the construction of existing open floors in high-rise buildings, a safety guardrail system is usually used to prevent construction workers from falling from heights and getting injured, to prevent objects from falling from heights, and to prevent fragments of the wind from blowing onto the isolation objects and injuring people below. The safety guardrail system is usually composed of multiple telescopic protective columns, which are supported between the floor and ceiling at the edge of the open floor after installation to form a whole-surface guardrail structure, which has the advantages of easy disassembly and assembly and good protection effect.

[0003] In the existing telescopic protective column, in order to assist the locking mechanism in completing the fixation of the outer tube and the inner tube, it is necessary to open a large number of holes on the inner tube from top to bottom, and these holes are used to receive the wedge-shaped locking pins in the locking mechanism. The opening of the large number of holes causes the structural integrity of the end wall of the inner tube to be destroyed, which affects the structural firmness of the inner tube. In order to ensure the firmness and stability of the telescopic protective column during use, the wall thickness of the inner tube has to be increased. Under such operation, not only will the material loss of the inner tube increase, resulting in an increase in manufacturing costs, but the overall weight of the telescopic protective column will also increase significantly, making it more difficult to carry and inconvenient to use.

[0004] Therefore, a detachable and retractable edge protection fence for construction is proposed to solve some problems existing in the above-mentioned prior art. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the telescopic protective column in the prior art, in which the strength of the inner tube structure is affected due to the opening of the hole, and the stability of the inner tube structure has to be enhanced by increasing the wall thickness during processing, which leads to increased manufacturing costs and overall weight, affecting the convenience of use. A detachable telescopic edge protection fence for construction is proposed to be used.

[0006] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions:

[0007] A detachable telescopic edge protection fence for construction includes a plurality of telescopic protection columns erected side by side, the telescopic protection column includes an outer tube, and an inner tube is slidably inserted in the outer tube, and holes evenly distributed from top to bottom are formed on the left and right end walls of the inner tube by punching, and the metal material located at the hole is formed by punching into a metal sheet bent toward the inner side of the inner tube, and the corresponding metal sheets on the left and right sides are fixedly connected by spot welding, and a locking mechanism adapted to the left hole is installed on the top outer end wall of the outer tube, a floor joint end is installed at the bottom of the outer tube, and a ceiling joint end is installed at the top of the inner tube.

[0008] Preferably, a first circular hole is opened on the top end wall of the outer tube, a second circular hole corresponding to the first circular hole is opened on the bottom end wall of the inner tube, a reed is fixedly installed on the inner side of the bottom of the inner tube, and a pin movably inserted in the second circular hole is fixedly installed on the reed.

[0009] Preferably, the locking mechanism includes a column shell vertically fixed on the left end wall of the outer tube, and a wedge-shaped locking pin extending to the inner side of the outer tube is slidably inserted in the column shell, the outer end of the column shell is threadedly connected with a back-moving nut, a first spring elastically supported between the wedge-shaped locking pin and the back-moving nut is placed in the column shell, a locking plate arranged parallel to the outer tube is movably inserted in the column shell and the wedge-shaped locking pin, and the upper end of the locking plate is arranged to be an outwardly inclined structure, a fixing column arranged above the column shell is fixedly installed on the left end wall of the outer tube, and a first tension spring is hooked between the fixing column and the upper end of the locking plate, a pull ring is inserted in the lower end of the locking plate, and a first protective cover is provided from the column shell to the outer side of the fixing column.

[0010] Preferably, the floor coupling end comprises a nut fixedly mounted on the inner side of the bottom of the outer tube, and a threaded rod vertically arranged on the central axis of the outer tube is screwed on the inner thread of the nut, and a bottom bowl is fixedly mounted on the bottom of the threaded rod.

[0011] Preferably, the ceiling coupling end includes a collar arranged on the inner side of the top of the inner tube, and the collar is fastened to the inner tube by bolts, a shaft rod vertically arranged on the central axis of the inner tube is slidably inserted in the collar, and a top bowl is installed on the top of the shaft rod, a stop block slidably installed in the inner tube is fixedly connected to the shaft rod, a second spring is provided on the outer movable sleeve of the shaft rod, and the second spring is fixedly connected between the collar and the stop block.

[0012] Preferably, the top bowl is rotatably mounted on top of the shaft.

[0013] Preferably, an indicator disposed between the top bowl and the stop block is fixedly mounted on the shaft rod, and the outer surface of the indicator is painted yellow and pasted with a reflective sticker.

[0014] Preferably, a limiting plate is fixedly installed in the bottom bowl, the bottom bowl and the top bowl are both configured as bowl-shaped structures with a depression in the middle, and the edge positions of the bottom bowl and the top bowl, as well as the bottom of the limiting plate are all configured as blade-shaped structures.

[0015] Preferably, a pulling rope mechanism adapted to the right side opening is installed on the top outer end wall of the outer tube, and the pulling rope mechanism includes an axial frame fixedly installed on the right end wall of the outer tube, a turntable is rotatably installed in the axial frame, and a winding wheel coaxially arranged therewith is fixedly installed on the back of the turntable, a steel wire rope is wound on the winding wheel, and a locking hook is fixedly connected to the outer end of the steel wire rope, a plurality of teeth adapted to the right side opening are distributed around the cylindrical surface of the turntable, and the teeth are slidably connected to the turntable along the radius of the turntable, a limiting column arranged in the middle position of the plurality of teeth is fixedly installed in the turntable, and a push rod is slidably sleeved on the limiting column. The push block is inserted in the turntable and is arranged in a truncated cone-shaped structure. A second tension spring is fixedly connected between the teeth and the limit column. A U-shaped groove corresponding to the second tension spring is opened on the push block. A longitudinally arranged fixed shaft is fixedly installed at the axial position of the turntable, and a handle arranged on the outside of the shaft frame is fixedly installed at one end of the front side of the fixed shaft. A screw barrel arranged on the inner side of the shaft frame is rotatably sleeved on the fixed shaft, and the screw barrel is threadedly connected to the push block, and a dial is fixedly installed on the end of the screw barrel away from the push block. A second protective cover is provided on the outer cover of the shaft frame, and a hanging hole extending to the left side of the outer tube is fixedly installed on the second protective cover.

[0016] Preferably, a planar spring is installed on the back of the winding wheel, the inner end of the planar spring is fixedly connected to the winding wheel, and the outer end of the planar spring is fixedly connected to the shaft frame.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In the present invention, holes are formed from top to bottom on the left and right end walls of the inner tube by punching, and the metal material originally existing at the corresponding position of the hole is bent to the inner side of the inner tube by punching, and the ends of the corresponding metal sheets on the left and right sides are fixed by spot welding, so that the structural firmness of the inner tube can be strengthened, and the stability of the inner tube structure can be effectively guaranteed without significantly increasing the wall thickness of the inner tube, which is conducive to avoiding the increase in the overall weight of the telescopic protective column due to the increase in the wall thickness of the inner tube, and can effectively improve the convenience of carrying and using the telescopic protective column, and is conducive to reducing the loss of materials in the manufacturing process of the device, which is convenient for saving resources, reducing costs and increasing efficiency;

[0019] 2. In the present invention, a first circular hole is formed on the top end wall of the outer tube, and a second circular hole corresponding to the first circular hole is formed on the bottom end wall of the inner tube, and a latch is inserted into the second circular hole. With the elastic support of the spring sheet, when the inner tube moves upward and is about to slip out of the outer tube, the latch can be inserted into the second circular hole and the first circular hole to restrict the further movement of the inner tube, thereby effectively avoiding the danger of falling objects from a high altitude caused by the slipping of the inner tube due to improper operation during use, and improving the safety of the device to a certain extent.

[0020] 3. In the present invention, by installing the ceiling joint end on the top of the inner tube, during the installation process, the distance between the top bowl and the inner tube is gradually shortened due to the relative rotation of the nut and the threaded rod, so that the second spring is continuously compressed. With the elastic support of the second spring, the telescopic protective column is tensioned and adjusted. At the same time, by setting the bottom bowl and the top bowl as a bowl-shaped structure and setting the edge position thereof as a blade-shaped structure, the bottom bowl and the top bowl can be better embedded in the floor and the ceiling under continuous squeezing, which can further improve the stability of the device during installation and use.

[0021] 4. In the present invention, the indicator is installed between the top bowl and the stop block so that it is exposed outside the inner tube under normal conditions. After the ceiling joint end is fully tensioned, the indicator is hidden in the inner tube. The tension state of the ceiling joint end is indicated by the indicator, so that the staff can understand the actual installation status of the telescopic protection column conveniently and clearly, avoiding the situation of improper installation. At the same time, by painting the outer surface of the indicator yellow and providing a reflective sticker, the indicator can be made more eye-catching, which is conducive to ensuring the accuracy of the staff's observation of the indicator position;

[0022] 5. In the present invention, by installing the pulling rope mechanism on the top outer end wall of the outer tube, the steel wire rope is pulled out and connected to the hanging hole on another telescopic protective column through a lock hook, so that the two telescopic protective columns can be directly linked, so that multiple telescopic protective columns are substantially connected when arranged, and the protective performance of the telescopic protective columns when forming the entire protective fence structure can be further improved by mutual cooperation;

[0023] 6. In the present invention, by adjusting the position of the push block, the meshing state of the teeth and the right side hole is switched. During installation, the teeth are not meshed with the right side hole, and the wire rope can be pulled normally. After the installation is completed, the teeth are meshed with the hole, and the pulling of the wire rope will drive the turntable to rotate, applying an upward driving force to the inner tube, so that when the device is subjected to an outward force, the firmness of the telescopic protective column support between the floor and the ceiling will be further strengthened, which is beneficial to greatly improve the protection safety and stability of the device for high-rise construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0025] Figure 1 It is a stereoscopic diagram of the telescopic protection column of the present invention in a retracted state;

[0026] Figure 2 It is a three-dimensional diagram of the telescopic protection column of the present invention in the extended state;

[0027] Figure 3 This is a three-dimensional diagram after the first protective cover of the present invention is removed;

[0028] Figure 4 A perspective view of a floor joint end of the present invention;

[0029] Figure 5 A perspective view of a ceiling joint end of the present invention;

[0030] Figure 6 is a side cross-sectional view of the bottom of the inner tube of the present invention;

[0031] Figure 7 This is a three-dimensional diagram of the telescopic protection column of the present invention after being equipped with a traction rope mechanism;

[0032] Figure 8 For the present invention Figure 7 Front view of the structure in section;

[0033] Fig. 9 For the present invention Figure 8 The enlarged view of point A in the middle;

[0034] Fig.10 The three-dimensional image is obtained after the second protective cover of the present invention is removed;

[0035] Fig.11 It is a three-dimensional diagram of the internal structure of the shaft frame of the present invention from the back side perspective;

[0036] Fig.12 is a top cross-sectional view of the pull rope mechanism of the present invention;

[0037] Fig.13 This is a three-dimensional diagram of the traction rope structure of the present invention when it is actually used.

[0038] Serial number in the picture:

[0039] 1. outer tube; 101. inner tube; 102. orifice; 103. metal sheet; 104. first circular hole; 105. second circular hole; 106. reed; 107. latch;

[0040] 2. Locking mechanism; 201. Column housing; 202. Wedge-shaped locking pin; 203. Retraction nut; 204. First spring; 205. Locking piece; 206. Fixed column; 207. First tension spring; 208. Pull ring; 209. First protective cover;

[0041] 3. Floor joint end; 301. Nut; 302. Threaded rod; 303. Bottom bowl; 304. Limiting piece;

[0042] 4. Ceiling joint end; 401. Ring; 402. Shaft; 403. Top bowl; 404. Stop block; 405. Second spring; 406. Indicator;

[0043] 5. Rope pulling mechanism; 501. Axle frame; 502. Turntable; 503. Winding wheel; 504. Wire rope; 505. Hook with lock; 506. Plane spring; 507. Teeth; 508. Limiting column; 509. Push block; 510. Second tension spring; 511. Fixed shaft; 512. Handle; 513. Screw barrel; 514. Dial; 515. Second protective cover; 516. Hanging hole. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0045] Embodiment 1: This embodiment provides a detachable and retractable edge protection fence for construction, see Figure 1 - Figure 6 Specifically, it includes a plurality of telescopic protective columns standing side by side, the telescopic protective column includes an outer tube 1, and an inner tube 101 is slidably inserted in the outer tube 1, and holes 102 evenly distributed from top to bottom are formed on the left and right end walls of the inner tube 101 by punching, and the metal material located at the hole 102 is formed by punching into a metal sheet 103 bent toward the inner side of the inner tube 101, and the corresponding metal sheets 103 on the left and right sides are fixedly connected by spot welding, and a locking mechanism 2 adapted to the left hole 102 is installed on the top outer end wall of the outer tube 1, and the locking mechanism 2 includes a column shell 201 vertically fixed on the left end wall of the outer tube 1, and a wedge-shaped locking pin 202 extending to the inner side of the outer tube 1 is slidably inserted in the column shell 201, and a retaining nut 203 is screwed on the outer end thread of the column shell 201, and a second elastic support elastically supported between the wedge-shaped locking pin 202 and the retaining nut 203 is placed in the column shell 201 A spring 204, a locking piece 205 arranged parallel to the outer tube 1 is interspersed and movably inserted in the column shell 201 and the wedge-shaped locking pin 202, and the upper end of the locking piece 205 is arranged to be inclined outward, a fixing column 206 arranged above the column shell 201 is fixedly installed on the left end wall of the outer tube 1, and a first tension spring 207 is hooked between the fixing column 206 and the upper end of the locking piece 205, a pull ring 208 is inserted at the lower end of the locking piece 205, and a first protective cover 209 is commonly provided on the outer side of the column shell 201 to the fixing column 206, a floor connecting end 3 is installed at the bottom of the outer tube 1, and the floor connecting end 3 includes a nut 301 fixedly installed on the inner side of the bottom of the outer tube 1, and the inner thread of the nut 301 is screwed with a threaded rod 302 vertically arranged on the central axis of the outer tube 1, a bottom bowl 303 is fixedly installed at the bottom of the threaded rod 302, and a ceiling connecting end 4 is installed at the top of the inner tube 101.

[0046] During the use of the device, due to the elastic support of the first spring 204, the wedge-shaped locking pin 202 maintains a tendency to move toward the inside of the outer tube 1. When the orifice 102 is aligned with the wedge-shaped locking pin 202, the wedge-shaped locking pin 202 is inserted into the orifice 102 under the elastic support of the first spring 204. The bottom of the end of the wedge-shaped locking pin 202 inserted into the orifice 102 is set to an inclined structure, so that when the inner tube 101 slides upward and extends out of the outer tube 1, it is guided by the inclined bottom of the end of the wedge-shaped locking pin 202. After being squeezed against each other, the wedge-shaped locking pin 202 can overcome the elastic support of the first spring 204, retract into the column shell 201, and withdraw from the orifice 102. After the inner tube 101 is pulled upward, the inner tube 101 can smoothly slide upward and extend out in the outer tube 1. The top of the end of the wedge-shaped locking pin 202 inserted into the orifice 102 is set to a straight structure, which makes the inner tube 101 When sliding downward in the outer tube 1, it will be blocked by the insertion of the wedge-shaped locking pin 202 and the orifice 102. When the locking mechanism 2 is not unlocked, the inner tube 101 cannot retract downward into the outer tube 1.

[0047] When workers are working on open floors of high-rise buildings, they can use the device for safety protection. The workers erect the telescopic protection column on the floor, so that the floor joint end 3 at the bottom of the outer tube 1 is supported on the floor, and then pull the inner tube 101 upward, so that the ceiling joint end 4 at the top of the inner tube 101 is supported on the ceiling, and the bottom bowl 303 at the bottom of the threaded rod 302 is tightly engaged with the floor. Then the workers hold the outer tube 1 and rotate it. Under the rotation drive, the nut 301 at the bottom of the outer tube 1 and the threaded rod 302 rotate relative to each other. The meshing drive causes the threaded rod 302 to move downward in the nut 301, gradually increasing the distance between the bottom bowl 303 and the outer tube 1, so that the device can be firmly supported between the floor and ceiling of the open floor of a high-rise building. According to the above operations, multiple telescopic protection columns are arranged in sequence at the edge of the open floor to form a full-surface protection structure, which is beneficial to prevent workers from falling from heights and getting injured, and is beneficial to avoiding falling objects from heights. The workers can flexibly arrange the distance between two adjacent telescopic protection columns according to the actual situation during construction, and flexibly adjust the protection density of the device.

[0048] When the device needs to be dismantled after the construction is completed, the staff only needs to pull the pull ring 208 downward to overcome the elastic pulling of the first tension spring 207 on the locking piece 205, so that the locking piece 205 moves downward, and the inclined structure at the upper end of the locking piece 205 enters the inner side of the wedge-shaped locking pin 202, exerting a leftward push on the wedge-shaped locking pin 202, so that the wedge-shaped locking pin 202 moves to the left and withdraws from the orifice 102. After losing the obstruction of the wedge-shaped locking pin 202, under the action of gravity, the inner tube 101 slides downward and retracts into the outer tube 1. This is beneficial to improving the convenience of disassembly and recovery of the device. When the staff releases the pull on the pull ring 208, the downward pulling force applied to the locking plate 205 disappears, and under the reset rebound of the first tension spring 207, the locking plate 205 is pulled upward to reset. The inclined structure on the locking plate 205 moves up and then exits the inner side of the wedge-shaped locking pin 202, so that the elastic support of the first spring 204 can push the wedge-shaped locking pin 202 to move into the orifice 102 again, thereby ensuring the stability of the locking mechanism 2 in locking the position of the inner tube 101 after the external force disappears.

[0049] During the use of the device, the orifice 102 is formed by punching, and a plurality of orifices 102 are punched from top to bottom on the left and right end walls of the inner tube 101. The metal material originally existing at the corresponding position of the orifice 102 is bent to the inside of the inner tube 101 under the action of punching, and the ends of the corresponding metal sheets 103 on the left and right sides fit together and are fixed by spot welding. This allows the remaining metal sheets 103 to form a firmly connected structure inside the inner tube 101 after the orifice 102 is punched, thereby strengthening the structural firmness of the inner tube 101. Under this structure, the stability of the structure of the inner tube 101 can be effectively guaranteed without significantly increasing the wall thickness of the inner tube 101, which is beneficial to avoid the increase in the overall weight of the telescopic protective column due to the increase in the wall thickness of the inner tube 101, which can effectively improve the convenience of carrying and using the telescopic protective column, and can effectively reduce the manufacturing cost of the device.

[0050] In the specific implementation process, Figure 1 and Figure 6As shown, a first circular hole 104 is provided on the top end wall of the outer tube 1, and a second circular hole 105 corresponding to the first circular hole 104 is provided on the bottom end wall of the inner tube 101. A reed 106 is fixedly installed on the inner side of the bottom of the inner tube 101, and a latch 107 movably inserted into the second circular hole 105 is fixedly installed on the reed 106. When the device is used, the reed 106 provides elastic support for the latch 107. The length of the latch 107 is greater than the sum of the wall thicknesses of the outer tube 1 and the inner tube 101. When the inner tube 101 slides upward, causing the bottom of the inner tube 101 to slide to the top of the outer tube 1, the second circular hole 105 provided on the bottom end wall of the inner tube 101 will contact with the inner tube 101. The first circular hole 104 opened on the top end wall of the outer tube 1 is aligned, and under the elastic support of the spring leaf 106, the pin 107 is inserted into the first circular hole 104, which limits the position of the inner tube 101 and blocks the further movement of the inner tube 101, thereby preventing the inner tube 101 from falling off. In this way, the danger of falling objects caused by improper operation can be avoided during high-altitude operations, and the safety of workers on the underground floors of the construction site can be better protected. When it is necessary to retract the inner tube 101 downward, the worker only needs to press the pin 107 to overcome the elastic support of the spring leaf 106 and withdraw from the first circular hole 104, and can only drive the inner tube 101 to retract downward into the outer tube 1, which is convenient to operate.

[0051] In the specific implementation process, Figure 5 As shown, the ceiling coupling end 4 includes a collar 401 arranged on the inner side of the top of the inner tube 101, and the collar 401 is fastened and installed in the inner tube 101 by bolts, and a shaft 402 vertically arranged on the central axis of the inner tube 101 is slidably inserted in the collar 401, and a top bowl 403 is installed on the top of the shaft 402, and the top bowl 403 is rotatably installed on the top of the shaft 402, and a stop block 404 slidably installed in the inner tube 101 is fixedly connected to the shaft 402, and a second spring 405 is movably sleeved on the outer side of the shaft 402, and the second spring 405 is fixedly connected between the collar 401 and the stop block 404, and an indicator 406 arranged between the top bowl 403 and the stop block 404 is fixedly installed on the shaft 402, and the outer surface of the indicator 406 is painted yellow and a reflective label is pasted.

[0052] During use of the device, the shaft 402 is installed in the inner tube 101 through the collar 401 and can move relative to the inner tube 101. When the telescopic protective column is erected on the floor, the top bowl 403 is close to the ceiling of the floor. When the staff rotates the outer tube 1, the distance between the inner tube 101 and the bottom bowl 303 is continuously increased by means of the threaded connection between the nut 301 and the threaded rod 302. Since the bottom bowl 303 is close to the floor and the top bowl 403 is close to the ceiling, under the relative action, the shaft 402 continuously moves toward the inner tube 101, and finally the elastic support is between the collar 401 and the stop block 404. The second spring 405 is compressed, and the distance between the top bowl 403 and the inner tube 101 is gradually shortened. With the elastic support of the second spring 405, the tensioning adjustment is performed when the device is installed and used, which can further improve the stability of the device when installed and used. The collar 401 is firmly installed on the top of the inner tube 101 by bolts, which makes it possible to detach the ceiling joint end 4 from the top of the inner tube 101 during maintenance, which is conducive to improving the convenience of maintenance and replacement of the ceiling joint end 4 to a certain extent. The threaded rod 302 is a double-threaded screw with a lead of twice the pitch, and the second spring 405 can be tensioned faster during rotation.

[0053] During use of the device, the shaft 402 and the top bowl 403 are rotationally connected, so that when the outer tube 1 is held and rotated by a staff member, the top bowl 403 can rotate relative to the inner tube 101. The rotation applied to the outer tube 1 by the staff will not act on the top bowl 403, which is beneficial to ensuring the stability of the top bowl 403 engaged on the ceiling.

[0054] By fixing the indicator 406 on the shaft 402 and arranging the indicator 406 between the top bowl 403 and the stop block 404, the indicator 406 is normally exposed on the outside of the inner tube 101. When the device is vertically installed between the floor and the ceiling of an open floor of a high-rise building, when the staff continuously rotates the outer tube 1, the second spring 405 in the ceiling joint end 4 is under full load, and the indicator 406 installed on the shaft 402 will retract into the inner tube 101. At this time, the staff cannot observe the indicator 406. The staff can understand the tension state of the ceiling joint end 4 according to the position state of the indicator 406. When the indicator 406 is completely hidden in the inner tube 101, it indicates that the ceiling joint end 4 has been completely Full tension. On the contrary, if the indicator 406 is not completely blocked, the staff needs to continue to rotate the outer tube 1 until the indicator 406 is completely blocked by the inner tube 101. By setting the indicator 406, the staff can easily and clearly understand the actual installation status of the telescopic protection column to avoid the situation of improper installation, which improves the safety and convenience of the actual use of the device to a certain extent. The ceiling connecting end 4 is set on the top of the inner tube 101, so that the staff can observe the indicator 406 more conveniently. By painting the outer surface of the indicator 406 yellow and providing a reflective sticker, the indicator 406 can be made more eye-catching, which is conducive to ensuring the accuracy of the staff's observation of the position of the indicator 406.

[0055] In the specific implementation process, Figure 4 and Figure 5 As shown, a limiting plate 304 is fixedly installed in the bottom bowl 303, and both the bottom bowl 303 and the top bowl 403 are set to a bowl-shaped structure with a depression in the middle position, and the edge positions of the bottom bowl 303 and the top bowl 403, as well as the bottom of the limiting plate 304 are set to a blade-shaped structure. During the use of the device, the bottom bowl 303 and the top bowl 403 are set to a bowl-shaped structure with a depression in the middle position, so that the bottom bowl 303 and the top bowl 403 can be buckled on the floor and the ceiling respectively, and the edge positions of the bottom bowl 303 and the top bowl 403 are set to a blade-shaped structure, so that during the installation process, the bottom bowl 303 and the top bowl 403 can be more easily embedded in the floor and the ceiling, which is beneficial to improving the firmness and stability of the device after installation. At the same time, the limiting plate 304 is fixedly installed in the bottom bowl 303. When the bottom bowl 303 is embedded in the floor, it can prevent the bottom bowl 303 and the floor from rotating relative to each other when the staff rotates the outer tube 1, which is beneficial to ensuring the stability of the device during actual use.

[0056] Example 2: Figure 1 - Fig.13As shown, on the basis of Example 1, this embodiment further includes: a pulling rope mechanism 5 adapted to the right side opening 102 is installed on the top outer end wall of the outer tube 1, and the pulling rope mechanism 5 includes an axis frame 501 fixedly installed on the right end wall of the outer tube 1, a turntable 502 is rotatably installed in the axis frame 501, and a winding wheel 503 coaxially arranged therewith is fixedly installed on the back of the turntable 502, a steel wire rope 504 is wound on the winding wheel 503, and a locking hook 505 is fixedly connected to the outer end of the steel wire rope 504, a plane spring 506 is installed on the back of the winding wheel 503, the inner end of the plane spring 506 is fixedly connected to the winding wheel 503, and the outer end of the plane spring 506 is fixedly connected to the axis frame 501, a plurality of teeth 507 adapted to the right side opening 102 are distributed around the cylindrical surface of the turntable 502, and the teeth 507 are slidably connected to the turntable 502 along its radius, and a plurality of teeth 507 arranged at a plurality of positions are fixedly installed in the turntable 502 A limiting column 508 is disposed at the middle position of the teeth 507, and a push block 509 is slidably sleeved on the limiting column 508. The push block 509 is inserted in the rotating disk 502 and is configured as a truncated cone structure. A second tension spring 510 is fixedly connected between the teeth 507 and the limiting column 508. A U-shaped groove corresponding to the second tension spring 510 is provided on the push block 509. A longitudinally arranged fixed shaft 511 is fixedly installed at the axial center position of the rotating disk 502, and the fixed shaft 511 A handle 512 disposed on the outside of the shaft frame 501 is fixedly installed at one end of the front side of the shaft frame 1, a screw barrel 513 disposed on the inside of the shaft frame 501 is rotatably sleeved on the fixed shaft 511, and the screw barrel 513 is threadedly screwed with the push block 509, and a dial 514 is fixedly installed at one end of the screw barrel 513 away from the push block 509, and a second protective cover 515 is provided on the outer side cover of the shaft frame 501, and a hanging hole 516 extending to the left side of the outer tube 1 is fixedly installed on the second protective cover 515.

[0057] When multiple telescopic protective columns are used in conjunction with each other to form a whole guardrail structure, the staff can pull out the wire rope 504 on one device and hook the lockable hook 505 on the hanging hole 516 on another device to form a horizontal connection structure between two adjacent telescopic protective columns. This allows multiple telescopic protective columns to be substantially connected when arranged, and with mutual cooperation, the protective performance of the telescopic protective columns when forming the whole guardrail structure can be further improved.

[0058] During the installation process, when the device is firmly erected between the floor and the ceiling, the staff holds the handle 512 to limit the rotation of the fixed shaft 511, so that the turntable 502 temporarily remains in a state of being unable to rotate, and then the staff turns the dial 514 to drive the screw barrel 513 to rotate. Since the push block 509 is sleeved on the outside of the limiting column 508, and the inner size of the push block 509 is adapted to the outer size of the limiting column 508, only axial sliding can occur between the push block 509 and the limiting column 508, and radial rotation cannot occur. During the rotation process, with the help of the engagement of the thread, the push block 509 is driven to move along the screw barrel 513 to the outside of the turntable 502. Since the part of the push block 509 inserted into the turntable 502 is set as a truncated cone structure, as the truncated cone structure is gradually The teeth 507 move toward the center axis of the turntable 502 and gradually retract into the turntable 502. At this time, the teeth 507 are no longer engaged with the opening 102 on the right. After the staff releases their grip on the handle 512, the turntable 502 can rotate normally. The staff then pulls the wire rope 504 outward and hooks the locked hook 505 connected to the outer end of the wire rope 504 on the hanging hole 516 on the other telescopic protective column to achieve the connection between the two telescopic protective columns. When the wire rope 504 is pulled outward, it will drive the winding wheel 503 to rotate clockwise, thereby driving the turntable 502 to rotate clockwise.

[0059] As the wire rope 504 is continuously pulled outward, the planar spring 506 connected between the take-up wheel 503 and the axle frame 501 is gradually tightened. When the locked hook 505 is hooked on the hanging hole 516 on another telescopic protective column, the staff releases the pulling on the wire rope 504, and under the elastic rebound of the planar spring 506, the take-up wheel 503 is driven to rotate in the opposite direction, and the excess wire rope 504 is re-wound on the take-up wheel 503, so that the wire rope 504 is tautly connected between the two telescopic protective columns. By arranging the planar spring 506 between the axle frame 501 and the take-up wheel 503, when the wire rope 504 is pulled outward, the planar spring 506 can be tightened to accumulate force. When the external force disappears, the wire rope 504 can be automatically re-wound on the take-up wheel 503, which is conducive to improving the convenience of the device during use.

[0060] After the wire rope 504 is tautly connected between the two telescopic protective columns, the staff member holds the handle 512 again to limit the rotation of the turntable 502, and then dials the dial 514 in the opposite direction, so that the push block 509 re-enters the turntable 502. In the process of the push block 509 re-entering the turntable 502, the side end wall of the frustum-shaped structure on the push block 509 supports the numerous teeth 507, so that the teeth 507 move away from the central axis of the turntable 502, and finally the teeth 507 sliding outward can mesh with the hole 102 on the right side. Then the staff member releases his grip on the handle 512 to complete the installation of the telescopic protective column. During the actual use of the device, the entire guardrail structure composed of numerous telescopic protective columns is erected on the open space of the high-rise building. The edge of the floor is used to protect and block people and objects on the floor. When the outer tube 1, the inner tube 101 or the wire rope 504 is subjected to an outward force, the wire rope 504 is relatively pulled outward due to the interaction. During the outward pulling of the wire rope 504, the turntable 502 is driven to rotate clockwise. Under the influence of the engagement between the teeth 507 installed around the outer side of the turntable 502 and the hole 102 on the right side, the inner tube 101 can be driven to move upward in the outer tube 1. Since the upper and lower ends of the telescopic protective column are firmly supported between the ceiling and the floor respectively, the inner tube 101 cannot continue to move upward. This makes the outward force further strengthen the firmness of the device supported between the ceiling and the floor, which is beneficial to improving the protection safety and stability of the device for high-rise construction.

[0061] Specifically, the working principle and operation method of the present invention are as follows:

[0062] The staff erects the telescopic protection column on the floor and slides it upward so that the inner tube 101 extends upward from the outer tube 1. Under the elastic support of the first spring 204, the wedge-shaped locking pin 202 is inserted into the left hole 102 to limit the inner tube 101 from retracting downward into the outer tube 1. The bottom bowl 303 in the floor joint end 3 is supported on the floor, and the top bowl 403 in the ceiling joint end 4 is supported on the ceiling. Then the staff rotates the outer tube 1 to drive the nut 301 and the threaded rod 302 to rotate relative to each other, so that the distance between the outer tube 1 and the bottom bowl 303 is gradually increased, and the tightness of the bottom bowl 303 embedded in the floor and the top bowl 403 embedded in the ceiling is improved. During the continuous rotation, the distance between the top bowl 403 and the inner tube 101 is gradually reduced, so that the indicator 406 is hidden in the inner tube 101, reminding the staff that the second spring 405 is tensioned in place. According to the above operation, multiple telescopic operations are gradually completed. The installation of the telescopic protection column, after the multiple telescopic protection columns are erected, the staff holds the handle 512 and rotates the dial 514 to drive the push block 509 to withdraw from the turntable 502, so that the teeth 507 retract into the turntable 502, and the teeth 507 no longer mesh with the right hole 102, and the turntable 502 can rotate freely. The staff pulls the wire rope 504 outward and hooks the locking hook 505 on the hanging hole 516 on another telescopic protection column. Under the elastic retraction of the plane spring 506, the wire rope 504 is tightly connected between the two telescopic protection columns. Then the staff holds the handle 512 and rotates the dial 514 in the opposite direction to move the teeth 507 outward and mesh with the right hole 102 again. Repeat the above operation to complete the connection of many locking hooks 505, and finally form a whole-surface protection structure at the edge of the open floor of the high-rise building.

[0063] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A detachable telescopic edge protection fence for construction, comprising a plurality of telescopic protection columns erected side by side, characterized in that: The telescopic protection column comprises an outer tube (1), and an inner tube (101) is slidably inserted in the outer tube (1), and holes (102) evenly distributed from top to bottom are formed on the left and right end walls of the inner tube (101) by punching, and metal materials located at the holes (102) are formed by punching into metal sheets (103) bent toward the inside of the inner tube (101), and the metal sheets (103) corresponding to the left and right sides are fixedly connected by spot welding, and a locking mechanism (2) adapted to the left hole (102) is installed on the top outer end wall of the outer tube (1), a floor joint end (3) is installed at the bottom of the outer tube (1), and a ceiling joint end (4) is installed at the top of the inner tube (101); The locking mechanism (2) comprises a column shell (201) vertically fixed on the left end wall of the outer tube (1), and a wedge-shaped locking pin (202) extending to the inner side of the outer tube (1) is slidably inserted in the column shell (201), a locking nut (203) is screwed on the outer end of the column shell (201), a first spring (204) elastically supported between the wedge-shaped locking pin (202) and the locking nut (203) is placed in the column shell (201), and a spring (204) is inserted in the column shell (201) and the wedge-shaped locking pin (202) to move with the outer tube. (1) a locking piece (205) arranged in parallel, and the upper end of the locking piece (205) is arranged to be an outwardly inclined structure, a fixing column (206) arranged above the column shell (201) is fixedly installed on the left end wall of the outer tube (1), and a first tension spring (207) is hooked between the fixing column (206) and the upper end of the locking piece (205), a pull ring (208) is inserted through the lower end of the locking piece (205), and a first protective cover (209) is provided on the outer side of the column shell (201) to the fixing column (206); A pulling rope mechanism (5) adapted to the right side opening (102) is installed on the top outer end wall of the outer tube (1), and the pulling rope mechanism (5) comprises an axial frame (501) fixedly installed on the right side end wall of the outer tube (1), a rotating disk (502) is rotatably installed in the axial frame (501), and a reel (503) coaxially arranged with the rotating disk (502) is fixedly installed on the back side of the rotating disk (502), a steel wire rope (504) is reeled on the reel (503), and the steel wire rope (504) The outer end of the rotating disk (502) is fixedly connected with a locking hook (505), a plurality of teeth (507) adapted to the right side opening (102) are distributed around the cylindrical surface of the rotating disk (502), and the teeth (507) are slidably connected to the rotating disk (502) along the radius thereof, a limiting column (508) arranged at the middle position of the plurality of teeth (507) is fixedly installed in the rotating disk (502), and a push block (509) is slidably sleeved on the limiting column (508), and the push block (509) The part inserted in the rotating disk (502) is configured as a truncated cone-shaped structure, a second tension spring (510) is fixedly connected between the teeth (507) and the limiting column (508), a U-shaped groove corresponding to the second tension spring (510) is provided on the push block (509), a longitudinally arranged fixed shaft (511) is fixedly installed at the axis center position of the rotating disk (502), and a handle (511) arranged on the outside of the shaft frame (501) is fixedly installed at one end of the front side of the fixed shaft (511). 12), a screw barrel (513) arranged on the inner side of the shaft frame (501) is rotatably sleeved on the fixed shaft (511), and the screw barrel (513) is threadedly screwed with the push block (509), a dial (514) is fixedly installed on one end of the screw barrel (513) away from the push block (509), and a second protective cover (515) is fixedly installed on the outer side cover of the shaft frame (501), and a hanging hole (516) extending to the left side of the outer tube (1) is fixedly installed on the second protective cover (515).

2. The detachable and retractable edge protection fence for construction according to claim 1, characterized in that: A first circular hole (104) is provided on the top end wall of the outer tube (1), a second circular hole (105) corresponding to the first circular hole (104) is provided on the bottom end wall of the inner tube (101), a reed (106) is fixedly mounted on the inner side of the bottom of the inner tube (101), and a latch (107) movably inserted into the second circular hole (105) is fixedly mounted on the reed (106).

3. The detachable and retractable edge protection fence for construction according to claim 1, characterized in that: The floor joint end (3) comprises a nut (301) fixedly mounted on the inner side of the bottom of the outer tube (1), and the inner thread of the nut (301) is screwed with a threaded rod (302) vertically arranged on the central axis of the outer tube (1), and a bottom bowl (303) is fixedly mounted on the bottom of the threaded rod (302).

4. The detachable and retractable edge protection fence for construction according to claim 3, characterized in that: The ceiling joint end (4) comprises a collar (401) arranged on the inner side of the top of the inner tube (101), and the collar (401) is fastened and installed in the inner tube (101) by means of bolts, a shaft (402) vertically arranged on the central axis of the inner tube (101) is slidably inserted in the collar (401), and a top bowl (403) is installed on the top of the shaft (402), a stop block (404) slidably installed in the inner tube (101) is fixedly connected to the shaft (402), and a second spring (405) is movably sleeved on the outer side of the shaft (402), and the second spring (405) is fixedly connected between the collar (401) and the stop block (404).

5. The detachable and retractable edge protection fence for construction according to claim 4, characterized in that: The top bowl (403) is rotatably mounted on the top of the shaft (402).

6. The detachable and retractable edge protection fence for construction according to claim 4, characterized in that: An indicator (406) disposed between the top bowl (403) and the stop block (404) is fixedly mounted on the shaft (402), and the outer surface of the indicator (406) is painted yellow and has a reflective sticker attached thereto.

7. The detachable and retractable edge protection fence for construction according to claim 4, characterized in that: A limiting plate (304) is fixedly installed in the bottom bowl (303); the bottom bowl (303) and the top bowl (403) are both configured as bowl-shaped structures with a depression in the middle; the edges of the bottom bowl (303) and the top bowl (403), as well as the bottom of the limiting plate (304) are both configured as blade-shaped structures.

8. The detachable and retractable edge protection fence for construction according to claim 1, characterized in that: A planar spring (506) is installed on the back of the winding wheel (503); the inner end of the planar spring (506) is fixedly connected to the winding wheel (503); and the outer end of the planar spring (506) is fixedly connected to the shaft frame (501).

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