Protective equipment suitable for concrete pouring of prefabricated box girder

Abstract

The utility model discloses protective equipment suitable for precast box girder concrete pouring, which relates to the technical field of scaffolds and comprises four vertical rods, cross rods and four diagonal draw bars, every two adjacent vertical rods are connected through the cross rods and the diagonal draw bars, and the cross rods and the diagonal draw bars are connected through the cross rods and the diagonal draw bars. The diagonal draw bar between every two adjacent vertical rods is located on the outer side of the transverse rod between every two adjacent vertical rods, an adjusting assembly is installed at the bottom of each vertical rod, an installation base is installed at the lower end of each adjusting assembly, and rapid locking and stable connection of the transverse rods, the diagonal draw bars and the vertical rods are achieved through fixing assemblies. The clamping lock block is driven by elastic pre-tightening force to be clamped into the mortise lock, the connecting efficiency and the structural reliability are effectively improved, the limiting bolt is matched to form double locking guarantee, the connecting stability is further strengthened, and construction vibration and external force impact are effectively resisted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a scaffold technical field, concretely is a kind of protective equipment suitable for prefabricated box girder concrete pouring. BACKGROUND

[0002] The protective equipment in the prefabricated box girder concrete pouring process is used to block concrete splashing and debris falling during pouring process, avoid beam surface pollution and construction environment damage, is made of high-strength lightweight material, is convenient to install and dismount, is suitable for different specifications box girder size, has anti-seepage and safety protection functions, can improve pouring construction standardization and component forming quality, reduce later repair cost.

[0003] The protective equipment in the prefabricated box girder construction, the rod connection is mostly traditional bolt or simple bolt structure, the connecting mode lacks reliable pre-tightening and limiting design, under the continuous vibration generated during concrete pouring operation and construction external force, it is easy to appear connection loosening, node displacement and other problems, resulting in the structural stability of protective frame greatly decreases;

[0004] Due to the insufficient stability of connecting node, the protective equipment is difficult to effectively resist various load impacts in construction process, not only cannot fully play the core function of blocking concrete splashing and protecting personnel and material safety, but also may cause frame shaking, local collapse and other safety risks due to structural instability, at the same time, loose connecting node can aggravate rod wear and tear, shorten equipment service life, and additional manpower is needed for frequent inspection and reinforcement, which brings many adverse effects to the safe and efficient development of prefabricated box girder pouring construction. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of protective equipment suitable for prefabricated box girder concrete pouring to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of protective equipment suitable for prefabricated box girder concrete pouring, including vertical rod, cross bar and inclined rod, the vertical rod is equipped with four, and the cross bar and inclined rod are connected between two adjacent vertical rods, the inclined rod is equipped with four, and the inclined rod between two adjacent vertical rods is located the outer side of the cross bar between two adjacent vertical rods, the bottom of each vertical rod is equipped with adjusting assembly, and the lower end of adjusting assembly is equipped with mounting seat;

[0008] The outer surface of each of the vertical rods is welded with a connecting disc, the two ends of each of the horizontal rods and the inclined rods are provided with a fixing assembly, and the horizontal rods and the inclined rods are connected with the connecting disc through the fixing assembly respectively, the fixing assembly comprises a mortise lock, a plurality of connecting ports are formed in the connecting disc, and the mortise lock is sleeved in the connecting port on the connecting disc.

[0009] As a further scheme of the utility model, the mortise lock is arranged as a "C" shape, the mortise lock has two connecting ends, a lock box is movably connected between the two connecting ends, and the end of the mortise lock close to the lock box is slidably arranged in the inside of the lock box, the mortise lock and the lock box form a closed annular structure, the annular structure is interlocked with the connecting port on the connecting disc, two groups of clamping blocks are slidably arranged in the inner cavity of the lock box, and the two groups of clamping blocks are respectively clamped with the two connecting ends of the mortise lock.

[0010] As a further scheme of the utility model, the two groups of clamping blocks are fixedly connected through a pushing spring, a limiting bolt is further arranged between the two groups of clamping blocks, clamping grooves are formed in the surfaces of the two connecting ends of the mortise lock in the lock box, and the end of each clamping block close to the mortise lock is fixedly connected with a protruding block embedded in the clamping groove.

[0011] As a further scheme of the utility model, one side of the two groups of clamping blocks is fixedly provided with a limiting sliding block, and the other side is fixedly provided with a control rod for controlling the sliding of the clamping block, a sliding groove matched with the limiting sliding block is formed in the inner wall of the lock box, and the limiting sliding block is arranged in the sliding groove.

[0012] As a further scheme of the utility model, the two ends of each horizontal rod are welded with a connecting block, the connecting block is fixedly connected with the outer wall of the lock box, the two ends of each inclined rod are welded with a connecting plate with an axle hole, and the connecting plate is hingedly connected with a corresponding ear plate on the lock box through a pin shaft.

[0013] As a further scheme of the utility model, the adjusting assembly comprises an adjusting pipe, the adjusting pipe is provided with four groups and is sleeved at the bottom end of each vertical rod, the adjusting pipe and the vertical rod are fixedly connected through a pin, a threaded rod is fixedly arranged on the top surface of each mounting seat, the top end of the threaded rod is inserted into the inside of the adjusting pipe, an installation sleeve is rotatably sleeved on the bottom end of the adjusting pipe through a bearing, and the inner wall of the installation sleeve is provided with an internal thread and is threadedly connected with the threaded rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a protection equipment, when using, through fixed assembly realizes the quick locking and stable connection of horizontal pole, inclined pull rod and vertical pole, with the help of elastic pre -tightening force drive lock block precision card into mortise, effectively promote the connection efficiency and structural reliability, form double locking guarantee with limit bolt, further strengthen the connection stability, effectively resist the construction vibration and external force impact, simultaneously, in combination with silica gel sealing ring can be tight block moisture invasion, avoid the internal core part because of dampness and rust, prolong the service life of component, ensure that the protection equipment long -term stable operation.

[0016] 2. The utility model discloses a protection equipment, when using, through adjusting assembly realizes the flexible adaptation of vertical pole height, with the help of screw drive structure drives vertical pole to go up and down, can accurate matching the flatness of different construction base surface, ensure that the protection frame body whole level and stable, lay the foundation for the subsequent frame body assembly, effectively deal with the problem of uneven base surface in construction scene. DRAWINGS

[0017] Figure 1 It is a structure schematic view of a protection equipment suitable for precast box girder concrete pouring.

[0018] Figure 2 It is a structure schematic view of a fixed assembly in a protection equipment suitable for precast box girder concrete pouring.

[0019] Figure 3 It is a structure split drawing of a fixed assembly in a protection equipment suitable for precast box girder concrete pouring.

[0020] Figure 4 It is a structure detail view of a fixed assembly in a protection equipment suitable for precast box girder concrete pouring.

[0021] Figure 5 It is a structure schematic view of an adjusting assembly in a protection equipment suitable for precast box girder concrete pouring.

[0022] In the drawing: 1, vertical pole;2, horizontal pole;3, inclined pull rod;4, mounting seat;

[0023] 5, adjusting assembly;501, adjusting pipe;502, threaded rod;503, mounting sleeve;6, connecting disc;

[0024] 7, fixed assembly;701, mortise;702, lock box;703, lock block;704, silica gel sealing ring;705, thrust spring;706, limit bolt;707, cover plate;708, limit sliding block;709, control rod;710, sleeve;711, connecting block;712, connecting plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figure 1 In the embodiments of the utility model, a protective equipment suitable for prefabricated box girder concrete pouring comprises stand poles 1, cross poles 2 and inclined pull rods 3, four stand poles 1 are arranged in total, and the two adjacent stand poles 1 are connected through the cross poles 2 and the inclined pull rods 3 to form a stable frame, four inclined pull rods 3 are arranged in total, and the inclined pull rod 3 between the two adjacent stand poles 1 is located outside the cross pole 2 between the two adjacent stand poles 1 to enhance the overall overturning resistance, and the bottom of each stand pole 1 is provided with an adjusting assembly 5 for fine adjustment of the height of the stand pole 1, so that the overall frame can adapt to different working surface elevations, the protection height is uniform, and the lower end of the adjusting assembly 5 is provided with a mounting seat 4.

[0027] The outer surface of each stand pole 1 is welded with a connecting disc 6, and the two ends of each cross pole 2 and inclined pull rod 3 are provided with a fixing assembly 7, and the cross pole 2 and the inclined pull rod 3 are connected with the connecting disc 6 through the fixing assembly 7.

[0028] It should be noted that the stand pole 1, the cross pole 2 and the inclined pull rod 3 are all made of high-strength low-alloy steel, and the three constitute the core bearing and support framework of the protective frame body, which provides reliable protection for the construction personnel and effectively prevents the falling risk of personnel and materials, fundamentally ensures the safety of work, and the inside of the connecting disc 6 is provided with a plurality of connecting openings, which facilitates the multi-angle and rapid butt joint of the cross pole 2 and the inclined pull rod 3.

[0029] Please refer to Figure 2 , Figure 3 , Figure 4 The fixing assembly 7 comprises a mortise lock 701, the mortise lock 701 is sleeved in the connecting opening on the connecting disc 6, the mortise lock 701 is arranged in a "C" shape, the mortise lock 701 has two connecting ends, a lock box 702 is movably connected between the two connecting ends, and the end of the mortise lock 701 close to the lock box 702 is slidably arranged in the inside of the lock box 702, a closed annular structure is formed between the mortise lock 701 and the lock box 702, the annular structure is interlocked with the connecting opening on the connecting disc 6, and two groups of clamping blocks 703 are slidably arranged in the inner cavity of the lock box 702 and are clamped with the two connecting ends of the mortise lock 701 respectively.

[0030] It should be noted that the two connecting end surfaces of the plug-in lock 701 inside the lock box 702 are provided with clamping grooves, and the end of the clamping block 703 close to the plug-in lock 701 is fixedly connected with a protruding block, which is embedded in the clamping groove to realize locking and positioning. The end of the protruding block on the two groups of clamping blocks 703 away from each other is provided with an inclined surface, which can reduce the resistance when the plug-in lock 701 is inserted, realize quick assembly of the fixing assembly 7, and the inclined surface is designed in a gradual manner along the insertion direction of the plug-in lock 701, which facilitates the insertion of the plug-in lock 701 through the inclined surface to guide and extrude the clamping block 703, so that the clamping block 703 slides in the inner cavity of the lock box 702 and is accurately embedded in the clamping groove of the plug-in lock 701, effectively improving the connection efficiency and locking reliability of the fixing assembly 7. At the same time, the side of the lock box 702 close to the connecting disc 6 is provided with a plug-in slot for inserting and assembling the plug-in lock 701;

[0031] It should be noted that the outer surface of the plug-in lock 701 is fixedly provided with a silica gel sealing ring 704, and the silica gel sealing ring 704 is tightly attached to the outer wall of the lock box 702. The sealing effect of the silica gel sealing ring 704 blocks rainwater from entering the inside of the lock box 702, prevents the internal structure from rusting due to damp, and ensures the service life and connection stability of the fixing assembly 7;

[0032] The two groups of clamping blocks 703 are fixedly connected by a thrust spring 705, so that they obtain a mutual pre-tightening force. One side of the thrust spring 705 is provided with a limiting bolt 706, and the limiting bolt 706 is located between the two groups of clamping blocks 703.

[0033] It should be noted that by arranging the limiting bolt 706 between the two clamping blocks 703, the movement range of the two groups of clamping blocks 703 can be effectively limited to prevent them from deviating or disengaging from the working position under vibration or impact, thereby enhancing the mechanical stability and reliability of the fixing assembly 7;

[0034] It should be noted that the side of the lock box 702 is clamped with a detachable cover plate 707. The cover plate 707 serves as a detachable access hole to realize the functions of easy assembly, maintenance and internal inspection. At the same time, the limiting bolt 706 is sequentially penetrated through the cover plate 707 and the lock box 702 during assembly, thereby realizing the axial fixation of the internal clamping block 703;

[0035] The two groups of clamping blocks 703 are fixedly installed with a limiting sliding block 708 on one side, and a control rod 709 is fixedly installed on the other side.

[0036] It should be noted that the inner wall of the lock box 702 is provided with a sliding groove matched with the limiting sliding block 708, and the limiting sliding block 708 is located in the sliding groove, which ensures that the locking block 703 can only smoothly slide along the preset path in the inner cavity of the lock box 702, effectively preventing it from being deflected or stuck, and at the same time, the inside of the cover plate 707 is provided with a straight groove matched with the control rod 709, and the control rod 709 is located in the straight groove. The end of the control rod 709 away from the locking block 703 penetrates the cover plate 707 and movably sheathes the sleeve 710, and the sleeve 710 serves as an operating handle, facilitating the construction personnel to grasp and pull the control rod 709, thereby overcoming the pre-tightening force of the push spring 705, making the locking block 703 exit from the clamping groove of the latch 701, realizing quick unlocking, and also facilitating subsequent removal of the cover plate 707 for maintenance or replacement of the internal push spring 705 and other components.

[0037] Both ends of each horizontal rod 2 are welded with a connecting block 711, and the connecting block 711 is fixedly connected with the end of the lock box 702 away from the latch 701. Both ends of each inclined pull rod 3 are welded with a connecting plate 712 with an axle hole, and the connecting plate 712 is hingedly connected with the corresponding ear plate on the lock box 702 through a pin shaft.

[0038] Please refer to Figure 5 The adjusting assembly 5 comprises four adjusting pipes 501, and each adjusting pipe 501 is sheathed on the bottom end of each vertical rod 1 and fixedly connected with the vertical rod 1 through a pin. The top surface of each mounting seat 4 is fixedly provided with a threaded rod 502, and the top end of the threaded rod 502 is inserted into the inside of the adjusting pipe 501. The bottom end of the adjusting pipe 501 is rotatably sheathed with a mounting sleeve 503, and the inner wall of the mounting sleeve 503 is provided with an internal thread and is threadedly connected with the threaded rod 502.

[0039] It should be noted that when the mounting sleeve 503 is rotated, the adjusting pipe 501 and the vertical rod 1 can be lifted along the threaded rod 502 by virtue of the threaded connection between the mounting sleeve 503 and the threaded rod 502, so as to adapt to the flatness of different construction surfaces and ensure the levelness and stability of the whole protective equipment. The pin connection ensures the connection strength of the adjusting pipe 501 and the vertical rod 1, and the bearing design makes the rotation of the mounting sleeve 503 smoother, improving the convenience of adjustment operation.

[0040] The working principle of the utility model is:

[0041] When the utility model is used, four mounting seats 4 are first fixed on the working plane, the mounting sleeve 503 is rotated, the adjusting pipe 501 drives the vertical rod 1 to lift as a whole, and the top portions of the four vertical rods 1 are ensured to be at the same design elevation, laying a solid foundation for stable erection of the upper structure.

[0042] Subsequently, the cross bar 2 and the inclined pull rod 3 are connected with the connecting disc 6, the plug lock 701 is inserted into the slot of the lock box 702 through the connecting disc 6, and in the process of insertion, the plug lock 701 gradually extrudes the inclined surface of the locking block 703, forces the two groups of locking blocks 703 to slide and retreat to the two sides against the pre-tightening force of the push spring 705, when the plug lock 701 is inserted into place and the inner clamping groove is aligned with the locking block 703, the restoring force of the push spring 705 immediately drives the two groups of locking blocks 703 to be embedded in the clamping groove, the preliminary locking is completed, the limiting bolt 706 is further inserted and locked, the movement range of the locking block 703 is limited, and the locking effect is further enhanced, the quick locking of the vertical rod 1, the cross bar 2 and the inclined pull rod 3 is completed, and a stable protection frame is formed;

[0043] Finally, when disassembly is needed, after the limiting bolt 706 is removed, the sleeve 710 is only pulled out, the locking block 703 is driven by the control rod 709 to extrude the push spring 705 to exit from the clamping groove of the plug lock 701, the plug lock 701 can be easily separated, and meanwhile, the disassembly of the cover plate 707 can also check, replace or maintain the push spring 705.

[0044] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model can be equivalently replaced or changed, and all should be covered in the protection scope of the utility model.

Claims

1. A protective device suitable for precast box girder concrete pouring, comprising vertical rods (1), horizontal rods (2) and inclined rods (3), characterized in that, The vertical rod (1) is provided with four rods, and the two adjacent vertical rods (1) are connected by the cross rod (2) and the inclined pull rod (3), the inclined pull rod (3) is provided with four rods, and the inclined pull rod (3) between the two adjacent vertical rods (1) is located outside the cross rod (2) between the two adjacent vertical rods (1), the bottom of each vertical rod (1) is provided with an adjusting assembly (5), and the lower end of the adjusting assembly (5) is provided with a mounting seat (4); The outer surface of each vertical rod (1) is welded with a connecting disc (6), and the two ends of each cross rod (2) and inclined pull rod (3) are provided with a fixing assembly (7), and the cross rod (2) and the inclined pull rod (3) are connected by the fixing assembly (7) and the connecting disc (6), the fixing assembly (7) comprises a mortise lock (701), a plurality of connecting ports are formed in the connecting disc (6), and the mortise lock (701) is sleeved in the connecting port on the connecting disc (6).

2. The protection equipment suitable for precast box girder concrete pouring according to claim 1, characterized in that, The mortise lock (701) is provided with two connecting ends, two connecting ends are movably connected with a lock box (702), and the end of the mortise lock (701) close to the lock box (702) is slidably arranged in the inside of the lock box (702), the mortise lock (701) and the lock box (702) form a closed annular structure, the annular structure is interlocked with the connecting port on the connecting disc (6), and the inner cavity of the lock box (702) is slidably provided with two groups of locking blocks (703).

3. The protection equipment suitable for precast box girder concrete pouring according to claim 2, characterized in that, Two groups of the locking blocks (703) are fixedly connected by a thrust spring (705), and a limiting bolt (706) is further arranged between the two locking blocks (703), the surfaces of the two connecting ends of the mortise lock (701) in the lock box (702) are provided with clamping grooves, and the ends of the locking blocks (703) close to the mortise lock (701) are fixedly connected with protruding blocks, respectively.

4. The protection equipment suitable for precast box girder concrete pouring according to claim 3, characterized in that, Two groups of the locking blocks (703) are fixedly provided with a limiting sliding block (708) on one side, and the other side is fixedly provided with a control rod (709) for controlling the sliding of the locking block (703), and the inner wall of the lock box (702) is provided with a sliding groove matched with the limiting sliding block (708), and the limiting sliding block (708) is located in the sliding groove.

5. The protection equipment for precast box girder concrete pouring according to claim 2, characterized in that, The two ends of each cross rod (2) are welded with a connecting block (711), and the connecting block (711) is fixedly connected with the outer wall of the lock box (702), and the two ends of each inclined pull rod (3) are welded with a connecting plate (712) with an axle hole, and the connecting plate (712) is hingedly connected with the corresponding ear plate on the lock box (702) through a pin shaft.

6. The protection equipment for precast box girder concrete pouring according to claim 1, characterized in that, The adjusting assembly (5) comprises four adjusting pipes (501), which are sleeved at the bottom ends of the vertical rods (1) respectively and fixedly connected with the vertical rods (1), the top surface of each set of mounting seats (4) is fixedly provided with a threaded rod (502), the top end of the threaded rod (502) is inserted into the adjusting pipe (501), and the bottom end of the adjusting pipe (501) is rotatably sleeved with a mounting sleeve (503) through a bearing, and the inner wall of the mounting sleeve (503) is provided with an internal thread and is in threaded connection with the threaded rod (502).

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