A shock-absorbing device for perforating the floor slab during the transportation of concrete pump pipes and its construction method

Abstract

The present invention discloses a concrete pump pipe conveying floor slab perforation shock-absorbing device and its construction method, wherein: the shock-absorbing ring includes a central tube and an outer tube, a plurality of shock-absorbing springs are arranged between the central tube and the outer tube, a rubber membrane is installed on the inner wall of the central tube, a ring-shaped eaves extends from the top of the outer tube, and screw holes for bolt anchoring are provided on the eaves; the embedded ring includes an intermediate ring body and a ring of water-stop rings provided on the side wall of the intermediate ring body; the outer tube of the shock-absorbing ring can be inserted into the intermediate ring body of the embedded ring, the intermediate ring body is provided with an upper screw hole, and the water-stop ring is embedded in the floor slab; bolts are passed through the screw holes and the upper screw holes to anchor the water-stop ring; the pump pipe passes through the central tube of the shock-absorbing ring and is shock-absorbing the pump pipe by the shock-absorbing spring and the rubber membrane; the cover plate is fastened to the upper part of the embedded ring, and a buckle is provided on the upper surface of the cover plate for easy removal; the cover ring and the embedded ring are fastened at the lower part to control the thickness of the floor slab hole. The present invention can shock-absorb the pump pipe passing through the floor slab, thereby improving construction safety.

Description

Technical Field

[0001] The present invention relates to the technical field of building construction, and in particular to a concrete pump pipe conveying floor slab perforation shock-absorbing device and a construction method thereof. Background Art

[0002] With economic and technological development, building heights are increasing. The pouring of concrete for early structural installations has been accompanied by a series of technological advancements. The traditional method for securing concrete pumps through floor slabs involves inserting wooden wedges between the pump pipe and the floor slab hole. This method lacks stability and requires an excessively large opening, making subsequent repairs unreliable. Furthermore, conventional fixtures typically use high-strength bolts to drill holes around the pump pipe opening, which can damage the floor slab at the site, weakening it and making it more susceptible to water seepage.

[0003] In view of the above situation, the present invention provides a pre-buried and installed fixing device with simple process, quick operation, little damage to the floor slab, and good pump pipe reinforcement stability. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a concrete pump pipe conveying floor perforation shock-absorbing device and a construction method thereof in view of the defects in the prior art.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] The present invention provides a concrete pump pipe conveying floor slab perforation shock-absorbing device, which comprises: a shock-absorbing ring, an embedded ring, a cover plate and a cover ring; wherein:

[0007] The shock-absorbing ring includes a central tube and an outer tube, between which multiple shock-absorbing springs are arranged. A rubber membrane is installed on the inner wall of the central tube. A ring-shaped eaves extends from the top of the outer tube, and screw holes for bolt anchoring are arranged on the eaves.

[0008] The embedded ring includes an intermediate ring body and a circle of water stop rings arranged on the side wall of the intermediate ring body. The outer tube of the shock-absorbing ring can be sleeved into the intermediate ring body of the embedded ring. The intermediate ring body is provided with an upper screw hole. The water stop ring is embedded in the floor slab.

[0009] When the pump pipe is used to transport concrete: the shock-absorbing ring passes through the middle ring body, and the screw holes on the eaves of the shock-absorbing ring are aligned with the upper screw holes on the middle ring body and fastened to each other, and bolts are passed through the screw holes and the upper screw holes to anchor them; the pump pipe passes through the center tube of the shock-absorbing ring, and the shock-absorbing spring and rubber membrane are used to absorb vibrations of the pump pipe;

[0010] When the pump pipe is not used to transport concrete: fasten it with the upper part of the embedded ring through the cover plate, and set a buckle on the upper surface of the cover plate for easy removal; fasten it with the lower part of the embedded ring through the cover ring to control the thickness of the floor hole.

[0011] Furthermore, the shock-absorbing ring of the present invention is formed by splicing two symmetrical semicircular ring-shaped parts.

[0012] Furthermore, in a semicircular ring in the shock-absorbing ring of the present invention: the center tube and the outer tube are supported by a connecting rod, the inner side of the center tube is fixed to the connecting rod by screws, and a shock-absorbing spring is installed on the connecting rod, and the two ends of the shock-absorbing spring are respectively connected to the center tube and the outer tube.

[0013] Furthermore, the number of connecting rods and shock-absorbing springs mounted on the connecting rods of the present invention is an even number not less than 4, the number set on the two semicircular rings is equal, and all connecting rods and shock-absorbing springs are arranged in a centrally symmetrical manner with the center of the shock-absorbing ring as the center.

[0014] Furthermore, the screw holes on the eaves of the shock-absorbing ring of the present invention are fixed by bolts, and gaskets are provided under the bolts.

[0015] Furthermore, the upper and lower parts of the upper screw hole of the present invention are provided with limiting grooves coaxial with the upper screw hole; the upper limiting groove is located at the top of the middle ring body, and the lower limiting groove is located at the bottom of the middle ring body; wherein:

[0016] A limit head is provided at the bottom of the eaves of the outer tube of the shock-absorbing ring, and the limit head is connected with the limit groove above;

[0017] The bottom of the cover plate is provided with a cover plate limiting head, which is connected with the limiting groove above;

[0018] A cover ring limiting head is provided on the top of the cover ring, and the cover ring limiting head is matched and connected with the limiting groove below.

[0019] Furthermore, the cover plate of the present invention has the same size as the outer diameter of the center ring body of the embedded ring, and a buckle is provided at the center of the upper surface of the cover plate. The cover plate has a hemispherical groove at this location, and the buckle is freely connected to the inner holes on both sides of the groove through the shaft rod, so as to achieve 360° free flipping. When flipped to the upper side, the arched rod inside the buckle is exposed.

[0020] Furthermore, the center of the bottom of the cover plate of the present invention is raised, and the surrounding area is hollowed out.

[0021] Furthermore, the outer diameter of the cover ring of the present invention is the same as that of the central ring body of the embedded ring, and the thickness of the cover ring is set according to the thickness of the floor slab.

[0022] The present invention provides a construction method for a concrete pump pipe conveying floor slab perforated shock-absorbing device, comprising the following steps:

[0023] Step 1: Determine the location of the pump pipe perforations along the height direction of the floor slab according to the on-site layout and construction plan of the concrete floor pump. After the floor slab is supported and before the concrete is poured, place the corresponding cover ring according to the thickness of the floor slab. The steel bars in the slab are disconnected here. The shock-absorbing ring and the cover ring are fastened to each other through the fitting of the limit groove and the limit head. After the steel bars in the slab and the water stop ring are welded in one circle, the cover plate is fastened through the limit head of the cover plate and the limit groove of the shock-absorbing ring. Then, the pouring of the floor slab concrete is completed.

[0024] Step 2: When the concrete strength of the floor slab reaches the corresponding requirements, remove the cover plate first when installing the pump pipe. Pull it out by turning over the buckle on the cover plate. If the cover plate and the concrete are too tightly bonded, knock the circumference of the cover plate and pry it out with the help of the buckle lever principle. Then knock out the cover ring at the bottom, leaving only the embedded ring in the hole.

[0025] Step 3. First, the pump tube passes through the central ring body of the embedded ring. The two halves of the shock-absorbing ring are aligned with the corresponding positions of the upper and lower limit heads and the limit grooves, and then embraced and embedded in the embedded ring. At this time, the edge of the rubber membrane in the shock-absorbing ring is turned outward, and it is smoothly inserted and embraced by the pump tube. The last part is knocked in and finally fits with the pump tube and the embedded ring. The edge of the rubber membrane is attached inward and close to the outer wall of the pump tube. Then install the gasket and bolts to tightly anchor the shock-absorbing ring to the embedded ring.

[0026] Step 4: Install a concrete pump pipe conveying floor perforated shock-absorbing device in each floor slab or layer by layer according to the construction situation to prevent the pump pipe from swinging when conveying concrete;

[0027] Step 5: After the pump pipe is delivered, start to remove the concrete pump pipe delivery floor slab perforated shock-absorbing device from top to bottom according to the floor;

[0028] Step 6: Clean the surface of the shock-absorbing ring from concrete residue before disassembly, unscrew the anchor bolts, turn the edge of the rubber membrane outward, loosen one half of the shock-absorbing ring, or push the shock-absorbing ring out from the bottom, and then remove the other half of the shock-absorbing ring;

[0029] Step 7: Remove the pump pipe and clean the upper surface and side walls of the embedded ring left in the floor hole. After cleaning, replace the cover plate to eliminate the hidden dangers of the reserved hole here in the future and serve as a protective cover plate.

[0030] Step 8: When the reserved hole is finally sealed, remove the cover plate and treat the embedded ring as a permanent embedded part to prevent water seepage.

[0031] The beneficial effects produced by the present invention are:

[0032] 1. The present invention adopts a semi-embedded structure, which is hidden in the floor slab, has a small overall volume, and has low destructive power on the openings of the floor slab.

[0033] 2. The middle embedded part of the present invention has strong connectivity with the floor slab, which improves the integrity of the subsequent hole filling and has water-stopping ability.

[0034] 3. The present invention has a shock-absorbing function for the pump pipe vibrating during the concrete conveying process, thereby reducing the noise generated and the damage to the pump pipe passing through the floor slab.

[0035] 4. The present invention adopts an integrated hole-forming method, which eliminates the early formwork process for the reserved holes, has a good hole-forming effect, and is suitable for hole-forming of various floor slab thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0037] Figure 1 This is a shock absorbing ring according to an embodiment of the present invention;

[0038] Figure 2 is a bottom view of a shock absorbing ring according to an embodiment of the present invention;

[0039] Figure 3 This is the embedded ring of the embodiment of the present invention;

[0040] Figure 4 This is a top view of the embedded ring according to an embodiment of the present invention;

[0041] Figure 5 is a front view of a cover plate according to an embodiment of the present invention;

[0042] Figure 6 is a buckle according to an embodiment of the present invention;

[0043] Figure 7 is the bottom surface of the cover plate according to the embodiment of the present invention;

[0044] Figure 8 is a cover ring according to an embodiment of the present invention;

[0045] Figure 9 It is an overall construction drawing of an embodiment of the present invention;

[0046] In the figure: 1. Shock-absorbing ring; 11. Center tube; 12. Shock-absorbing spring; 13. Rubber membrane; 14. Screw; 15. Bolt; 16. Gasket; 17. Screw hole; 18. Limit head; 2. Embedded ring; 21. Water stop ring; 22. Upper screw hole; 23. Limit groove; 3. Cover plate; 32. Cover plate limit head; 4. Cover ring; 41. Cover ring limit head; 5. Floor slab; 6. Pump pipe. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0048] like Figures 1-8As shown, the concrete pump pipe conveying floor slab perforated shock-absorbing device according to the embodiment of the present invention includes the following parts:

[0049] (1) shock-absorbing ring;

[0050] The shock-absorbing ring 1 is composed of two symmetrical halves, and the overall shape is "T". The middle part is the center tube 11 that clamps the pump tube. The inner walls of the two halves of the center tube are attached with rubber membranes 13, each fixed by two straight screws 14. Before the pump tube is inserted into the center tube 11, the rubber membrane 13 at the edge of the center tube 11 is turned outward, and the pump tube can be inserted smoothly. The rubber membrane 13 is attached inward and can fit tightly with the outer wall of the pump tube. Shock-absorbing springs 12 are set in four directions between the center tube 11 and the outer tube of the shock-absorbing ring 1. The shock-absorbing springs 12 are sleeved on the connecting rod, and the two ends are fixed to the outer wall of the center tube 11 and the inner wall of the outer tube of the shock-absorbing ring 1 respectively. The connecting rod and one side of the outer tube of the shock-absorbing ring 1 can allow a small displacement to release part of the elastic potential energy stored in the shock-absorbing spring 12. The shock-absorbing spring 12 is coaxial with the screws 14 on the inner wall of the center tube 11. The upper surface of the outer tube of the shock-absorbing ring 1 is provided with four screw holes 17 at the same position as the shock-absorbing spring 12, and the bolts 15 are fixed to the shock-absorbing ring 1 through the screw holes 17. The limiting head 18 coaxial with the screw hole 17 plays a limiting role by being embedded.

[0051] (2) Embedded ring;

[0052] The central ring body of the embedded ring 2 can be inserted into the lower part of the shock-absorbing ring 1. Four limit grooves and coaxial screw holes 22 are set on the upper surface, which are connected with the limit head 18 and bolts 15 of the shock-absorbing ring 1. The water-stop ring 21 on the side wall of the embedded ring 2 plays the role of anchoring and preventing water seepage in the floor slab. A limit groove 23 is set at the bottom of the embedded ring 2 at a coaxial position with the upper screw hole 22.

[0053] (3) Cover

[0054] The cover plate 3 has the same outer diameter as the center ring of the embedded ring 2. A buckle 31 is located at the center of the top surface of the cover plate 3. This is a hemispherical groove. The buckle 31 is freely connected to the inner holes on either side of the groove via a shaft 311, allowing it to be flipped 360°. When flipped upside down, the arched rod inside the buckle 31 is exposed. The bottom of the cover plate has four stoppers 32 located at each end, which engage with the stop grooves 23 on the top surface of the embedded ring 2. The bottom of the cover plate has a raised center, with the surrounding area gradually hollowed out.

[0055] (4) Cover ring;

[0056] Similar to cover plate 3, cover ring 4 is formed by hollowing out the center portion of cover plate 3. Four cover ring stoppers 41 are provided on a single surface of cover ring 4, which engage with stop grooves 23 at the bottom of embedded ring 2. Cover ring 3 is available in various thicknesses. Once the damping ring 1 is inserted into the embedded ring 2 and secured, the thickness of the cover ring 3 is consistent with the thickness of the floor slab.

[0057] like Figure 9 As shown, the construction method of the concrete pump pipe conveying floor perforation shock-absorbing device according to the embodiment of the present invention includes the following steps:

[0058] Step 1: Determine the location of the pump pipe perforations along the height direction of the floor slab according to the on-site layout and construction plan of the concrete floor pump. After the floor slab is supported and before the concrete is poured, place the corresponding cover ring according to the thickness of the floor slab. The steel bars in the slab are disconnected here. The shock-absorbing ring and the cover ring are fastened to each other through the fitting of the limit groove and the limit head. After the steel bars in the slab and the water stop ring are welded in one circle, the cover plate is fastened through the limit head of the cover plate and the limit groove of the shock-absorbing ring. Then, the pouring of the floor slab concrete is completed.

[0059] Step 2: When the concrete strength of the floor slab reaches the corresponding requirements, remove the cover plate first when installing the pump pipe. Pull it out by turning over the buckle on the cover plate. If the cover plate and the concrete are too tightly bonded, knock the circumference of the cover plate and pry it out with the help of the buckle lever principle. Then knock out the cover ring at the bottom, leaving only the embedded ring in the hole.

[0060] Step 3. First, the pump tube passes through the central ring body of the embedded ring. The two halves of the shock-absorbing ring are aligned with the corresponding positions of the upper and lower limit heads and the limit grooves, and then embraced and embedded in the embedded ring. At this time, the edge of the rubber membrane in the shock-absorbing ring is turned outward, and it is smoothly inserted and embraced by the pump tube. The last part is knocked in and finally fits with the pump tube and the embedded ring. The edge of the rubber membrane is attached inward and close to the outer wall of the pump tube. Then install the gasket and bolts to tightly anchor the shock-absorbing ring to the embedded ring.

[0061] Step 4: Install a concrete pump pipe conveying floor perforated shock-absorbing device in each floor slab or layer by layer according to the construction situation to prevent the pump pipe from swinging when conveying concrete;

[0062] Step 5: After the pump pipe is delivered, start to remove the concrete pump pipe delivery floor slab perforated shock-absorbing device from top to bottom according to the floor;

[0063] Step 6: Clean the surface of the shock-absorbing ring from concrete residue before disassembly, unscrew the anchor bolts, turn the edge of the rubber membrane outward, loosen one half of the shock-absorbing ring, or push the shock-absorbing ring out from the bottom, and then remove the other half of the shock-absorbing ring;

[0064] Step 7: Remove the pump pipe and clean the upper surface and side walls of the embedded ring left in the floor hole. After cleaning, replace the cover plate to eliminate the hidden dangers of the reserved hole here in the future and serve as a protective cover plate.

[0065] Step 8: When the reserved hole is finally sealed, remove the cover plate and treat the embedded ring as a permanent embedded part to prevent water seepage.

[0066] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A concrete pump pipe conveying floor perforation shock absorption device, characterized in that: The device comprises: a shock-absorbing ring (1), an embedded ring (2), a cover plate (3) and a cover ring (4); wherein: The shock-absorbing ring (1) includes a central tube (11) and an outer tube, a plurality of shock-absorbing springs (12) are arranged between the central tube (11) and the outer tube, a rubber membrane (13) is installed on the inner wall of the central tube (11), and a ring-shaped eaves extends from the top of the outer tube, and screw holes (17) for anchoring bolts (15) are arranged on the eaves; The embedded ring (2) includes an intermediate ring body and a water stop ring (21) arranged on the side wall of the intermediate ring body. The outer cylinder of the shock-absorbing ring (1) can be fitted into the intermediate ring body of the embedded ring (2). The intermediate ring body is provided with an upper screw hole (22). The water stop ring (21) is embedded in the floor slab (5). When the pump pipe (6) is used for concrete transportation: the shock-absorbing ring (1) passes through the middle ring body, and the screw hole (17) on the eaves of the shock-absorbing ring (1) is aligned with the upper screw hole (22) on the middle ring body and fastened to each other, and the bolt (15) is passed through the screw hole (17) and the upper screw hole (22) to anchor the shock-absorbing ring (1); the pump pipe (6) passes through the central tube (11) of the shock-absorbing ring (1), and the shock-absorbing spring (12) and the rubber membrane (13) are used to reduce the vibration of the pump pipe (6); When the pump pipe (6) is not used for concrete transportation: the cover plate (3) is fastened to the upper part of the embedded ring (2), and a buckle (31) is provided on the upper surface of the cover plate (3) for easy removal; the cover ring (4) is fastened to the lower part of the embedded ring (2) to control the thickness of the hole formed in the floor slab (5); The shock-absorbing ring (1) is formed by splicing two symmetrical semicircular ring parts; In a semicircular ring in the shock-absorbing ring (1), a central tube (11) and an outer tube are supported by a connecting rod, the inner side of the central tube (11) is fixed to the connecting rod by a screw (14), and a shock-absorbing spring (12) is mounted on the connecting rod, and both ends of the shock-absorbing spring (12) are connected to the central tube (11) and the outer tube respectively; The number of connecting rods and shock-absorbing springs (12) mounted on the connecting rods is an even number not less than 4, the number of connecting rods and shock-absorbing springs (12) mounted on the connecting rods is equal, and all the connecting rods and shock-absorbing springs (12) are arranged symmetrically with the center of the shock-absorbing ring (1) as the center of the circle; The screw holes (17) on the eaves of the shock-absorbing ring (1) are fixed by bolts (15), and a gasket (16) is provided below the bolts (15); A limiting groove (23) coaxial with the upper screw hole (22) is provided above and below the upper screw hole (22); the upper limiting groove (23) is located at the top of the middle ring body, and the lower limiting groove (23) is located at the bottom of the middle ring body; wherein: A limiting head (18) is provided at the bottom of the eaves of the outer tube of the shock-absorbing ring (1), and the limiting head (18) is connected in cooperation with the limiting groove (23) above; A cover plate limiting head (32) is provided at the bottom of the cover plate (3), and the cover plate limiting head (32) is cooperatively connected with the limiting groove (23) above; A cover ring limiting head (41) is provided on the top of the cover ring (4), and the cover ring limiting head (41) is matched and connected with the limiting groove (23) below.

2. The concrete pump pipe conveying floor perforation shock absorption device according to claim 1 is characterized in that: The outer diameter of the cover plate (3) is the same as that of the center ring body of the embedded ring (2). A buckle ring (31) is provided at the center of the upper surface of the cover plate (3). The cover plate (3) is a hemispherical groove at this location. The buckle ring (31) is freely connected to the inner holes on both sides of the groove through the shaft (311), realizing 360° free flipping. When flipped to the upper side, the arched rod inside the buckle ring (31) is exposed.

3. The concrete pump pipe conveying floor perforation shock absorption device according to claim 1 is characterized in that: The center of the bottom of the cover plate (3) is convex, and the surrounding area is hollowed out.

4. The concrete pump pipe conveying floor slab perforation shock absorption device according to claim 1, characterized in that: The outer diameter of the cover ring (4) is the same as the outer diameter of the central ring body of the embedded ring (2), and the thickness of the cover ring (4) is set according to the thickness of the floor slab (5).

5. A construction method for a concrete pump pipe conveying floor slab perforated shock-absorbing device, using the construction device for the concrete pump pipe conveying floor slab perforated shock-absorbing device according to any one of claims 1 to 4, characterized in that: The following steps are involved: Step 1: Determine the location of the pump pipe perforations along the height direction of the floor slab according to the on-site layout and construction plan of the concrete floor pump. After the floor slab is supported and before the concrete is poured, place the corresponding cover ring according to the thickness of the floor slab. The steel bars in the slab are disconnected here. The embedded ring and the cover ring are fastened to each other through the fitting of the limit groove and the limit head. After the steel bars in the slab are welded to the water stop ring, the cover plate is fastened through the cover plate limit head and the limit groove of the embedded ring. Then, the pouring of the floor slab concrete is completed. Step 2: When the concrete strength of the floor slab reaches the corresponding requirements, remove the cover plate first when installing the pump pipe. Pull it out by turning over the buckle on the cover plate. If the cover plate and the concrete are too tightly bonded, knock the circumference of the cover plate and pry it out with the help of the buckle lever principle. Then knock out the cover ring at the bottom, leaving only the embedded ring in the hole. Step 3. First, the pump tube passes through the central ring body of the embedded ring. The two halves of the shock-absorbing ring are aligned with the corresponding positions of the upper and lower limit heads and the limit grooves, and then embraced and embedded in the embedded ring. At this time, the edge of the rubber membrane in the shock-absorbing ring is turned outward, and it is smoothly inserted and embraced by the pump tube. The last part is knocked in and finally fits with the pump tube and the embedded ring. The edge of the rubber membrane is attached inward and close to the outer wall of the pump tube. Then install the gasket and bolts to tightly anchor the shock-absorbing ring to the embedded ring. Step 4: Install a concrete pump pipe conveying floor perforated shock-absorbing device in each floor slab or layer by layer according to the construction situation to prevent the pump pipe from swinging when conveying concrete; Step 5: After the pump pipe is delivered, start to remove the concrete pump pipe delivery floor slab perforated shock-absorbing device from top to bottom according to the floor; Step 6: Clean the surface of the shock-absorbing ring from concrete residue before disassembly, unscrew the anchor bolts, turn the edge of the rubber membrane outward, loosen one half of the shock-absorbing ring, or push the shock-absorbing ring out from the bottom, and then remove the other half of the shock-absorbing ring; Step 7: Remove the pump pipe and clean the concrete residue on the upper surface of the embedded ring and the side wall of the hole in the floor slab. After cleaning, replace the cover plate to eliminate the hidden dangers of the reserved hole here in the future and serve as a protective cover plate. Step 8: When the reserved hole is finally sealed, remove the cover plate and treat the embedded ring as a permanent embedded part to prevent water seepage.

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