CN111719890A - Floor reinforcement support system - Google Patents

Abstract

The invention discloses a floor slab reinforcing and supporting system which is characterized by comprising a plurality of supporting rods, wherein the top ends of the supporting rods are provided with height adjusting parts, and each height adjusting part comprises a first screw rod inserted in the corresponding supporting rod and a supporting part arranged at one end of the corresponding first screw rod; the first screw is in threaded connection with a first nut, the side wall of the first nut is provided with a bearing part, and the bearing part abuts against the top end of the supporting rod and is rotatably connected with the top end of the supporting rod; the bracing piece is formed by a plurality of quarter butts each other concatenation, and two adjacent quarter butts are first quarter butt and second quarter butt respectively, and the one end of first quarter butt is provided with the socket, and the one end of second quarter butt is provided with grafting portion, and the junction of first quarter butt and second quarter butt is equipped with the thread bush, and the one end lateral wall of first quarter butt and second quarter butt interconnect all is equipped with the external screw thread that screw-thread fit in the thread bush. The length of the supporting rod can be adjusted according to the height required to support by the technology, and the flexibility of the supporting rod is improved.

Description

Floor reinforcement support system

technical field

The invention relates to the field of floor support, more particularly, to a floor reinforcement support system.

Background technique

At present, due to the influence of factors such as chemical erosion, concrete deterioration, steel corrosion, defects in the construction process, backward design standards, and changes in structural functions, a large number of existing building structures can no longer meet the current requirements. In the prior art, one method is to dismantle and rebuild these building structures that no longer meet the existing requirements for use, and the other method is to repair and reinforce them. However, the demolition and reconstruction method has high economic cost, long construction period, and the demolition of construction waste causes great harm to the environment. Therefore, it is a preferred method to make the building structure meet the current requirements through maintenance and reinforcement.

At present, the reinforcement methods for reinforced concrete beams include increasing the beam section, pasting carbon fiber composite materials, and replacing concrete reinforcement. Therefore, when the beam is reinforced, it is generally necessary to unload the beam.

The existing unloading adopts the method of supporting the floor. When unloading, a supporting rod is arranged under the floor, and a wooden square is placed on the top of the supporting rod. The wooden square is connected to a plurality of supporting rods arranged in a row. The vertical load and the dead weight of the floor slab are transmitted to the foundation through the support rod. However, since the support rod is limited by the storey height, it is difficult to adjust the length of the support rod according to the required support height during unloading, and the flexibility is poor.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a floor slab reinforcement support system, so that the length of the support rod can be adjusted according to the required support height, thereby improving the flexibility of the support rod.

The technical solution adopted in the present invention is realized as follows: a floor slab reinforcement support system includes a plurality of support rods arranged in a hollow shape, the top of the support rods is detachably provided with a height adjustment part, and the height adjustment part includes a plug a first screw connected to the support rod and a support part arranged at one end of the first screw, the support part is used to abut the floor; the first screw is threadedly connected with a first nut, and the first nut The side wall is provided with a receiving portion, the receiving portion is in contact with the top end of the support rod and is rotatably connected with the top end of the support rod;

The support rod is formed by splicing several short rods with each other, and the two adjacent short rods are a first short rod and a second short rod respectively, one end of the first short rod is provided with a socket, and the first short rod is One end of the two short rods is provided with a plug-in portion that is plug-fitted with the socket, and a connecting component for connecting and fixing the two short rods is provided at the joint of the first short rod and the second short rod;

The connecting assembly includes a threaded sleeve, and one end side wall of the first short rod and the second short rod connected to each other is provided with an external thread that is threadedly matched with the threaded sleeve.

By adopting the above technical scheme, when supporting the floor slab, the two adjacent short rods are connected and fixed with each other through the cooperation of the plug-in part and the socket respectively, and the two adjacent short rods are connected and fixed with each other through the threaded sleeve, and the plurality of short rods are connected to each other. Splicing to form a support rod, the number of splicing of the short rods can be determined by the floor height; after the short rods are spliced to form a support rod, insert the first screw into the top of the support rod, and the first screw is carried through the receiving part of the side wall of the first nut. The top end of the support rod is supported, and then the first nut is rotated by rotating the receiving part. During the process of rotating the receiving part, the staff limits the first screw so that the first screw can be lifted and lowered when the first nut is rotated. A nut is used to make the first screw rise until the support part is in close contact with the floor, so as to support the floor; the support rod is formed by splicing a plurality of short rods, and at the same time, by adjusting the lifting of the first screw, it can adapt to floors of different heights and improve the support The flexibility of the rod, and when no support is required, the support rod can be disassembled into multiple short rods, which is convenient for the staff to carry.

As a further improvement of the present invention, the support portion includes a top block and a wooden block arranged on the top block, the top block is arranged in a concave shape, and the wooden block is detachably provided on the top block.

By adopting the above-mentioned technical scheme, adding wooden squares increases the contact area between the top block and the floor slab, so that the supporting floor slab is more stable.

As a further improvement of the present invention, the threaded sleeve includes a first threaded sleeve and a second threaded sleeve, the first threaded sleeve is threadedly connected to the external thread of the first short rod, and the second threaded sleeve is threadedly connected to the external thread of the first short rod The outer thread of the second short rod, the side wall of one end of the first threaded sleeve close to the second threaded sleeve is provided with a connecting thread, and the inner wall of one end of the second threaded sleeve close to the first threaded sleeve is provided with a connecting thread. The thread is fitted with the inner thread of the connecting thread.

By adopting the above technical solution, after the insertion portion of the second short rod is inserted into the first short rod, the first short rod and the second short rod are further threaded through the cooperation of the first threaded sleeve and the second threaded sleeve thread. Fixing facilitates the connection and fixation of the first short rod and the second short rod.

As a further improvement of the present invention, the inner wall of the socket is provided with spherical grooves at intervals along the circumferential direction of the first short rod, the spherical groove penetrates the side wall of the first short rod, and a card is movably arranged in the spherical groove The locking ball can be moved relative to the ball groove until one side protrudes from the socket, or can be moved to protrude from the side wall of the first short rod; the side wall of the plug portion is circumferentially arranged There is a locking groove, the locking groove is snap-fitted with the locking sphere, and when the connecting thread of the first threaded sleeve is threaded with the inner thread of the second threaded sleeve, the first threaded sleeve is The inner wall is in contact with the locking sphere, and one side of the locking sphere protrudes from the spherical groove and is engaged with the locking groove.

By adopting the above technical solution, when splicing the support rods, the plug-in part of the second short rod is inserted into the socket, and during the process of inserting the plug-in part into the socket, the side wall of the plug-in part abuts against the locking sphere, so that the The card position ball moves relative to the ball groove until one side protrudes from the side wall of the first short rod, thereby giving way to the plug-in part; when the plug-in part is completely inserted into the socket and the ball groove is aligned with the card position groove, By rotating the first threaded sleeve and the second threaded sleeve, the first threaded sleeve and the second threaded sleeve move in the direction of approaching each other until the first threaded sleeve and the second threaded sleeve are threadedly connected, and the first threaded sleeve and the second threaded sleeve are threaded. During the process of the two threaded sleeves approaching each other, the inner wall of the first threaded sleeve collides with the locking sphere, so that the locking sphere moves relative to the spherical groove until one side protrudes from the spherical groove, and the side protruding from the spherical groove is inserted into the In the card position slot, the first short rod and the second short rod are limited by the cooperation between the card position ball and the card position groove. The slot is inserted and matched to realize the splicing and fixing of the first short rod and the second short rod, so that the connection of the first short rod and the second short rod is more firm and stable.

As a further improvement of the present invention, one end of the first short rod connected to the second short rod is provided with a positioning block, and one end of the second short rod close to the first short rod is provided with a positioning block for insertion of the positioning block groove.

By adopting the above technical solution, the relative rotation of the first short rod and the second short rod is restricted by the cooperation of the positioning block and the positioning groove, so as to facilitate the staff to splicing and fixing the first short rod and the second short rod.

As a further improvement of the present invention, a connecting rod is connected between two adjacent support rods, and both ends of the connecting rod are respectively detachably connected to the two adjacent support rods.

By adopting the above technical solution, two adjacent support rods are connected by connecting rods, so that when one of the support rods is subjected to a lateral force, the lateral force is transmitted to the adjacent support rods through the connecting rod , and then disperse the lateral force, making the support of the support rod more stable.

As a further improvement of the present invention, both ends of the connecting rod are provided with wedge-shaped blocks, the side walls of the support rod are provided with fixed blocks, and the fixed blocks are provided with wedge-shaped grooves that are snap-fitted with the wedge blocks.

By adopting the above technical solution, the connecting rod is snap-fitted with the wedge-shaped groove through the wedge-shaped block, so as to facilitate the disassembly and assembly of the connecting rod.

As a further improvement of the present invention, the receiving portion is provided with an auxiliary fixing clip for clamping and fixing the first screw rod, and the auxiliary fixing clip is carried on the receiving portion.

By adopting the above technical solution, an auxiliary fixing clip is added to clamp and fix the first screw rod, and the first screw rod is further fixed, so that the vertical displacement of the first screw rod is less likely to occur when the first screw rod is subjected to force and vibration.

To sum up, the present invention has the following beneficial effects:

1. The support rod is composed of multiple short rods. At the same time, by adjusting the lifting and lowering of the first screw to adapt to floors of different heights, the flexibility of the support rod is improved, and when no support is required, the support rod can be disassembled into multiple rods. Short rod, which is convenient for staff to carry;

2. The first short rod and the second short rod are limited by the cooperation of the clamping ball and the clamping groove. At the same time, after the first threaded sleeve and the second threaded sleeve are threadedly connected, the inner wall of the first threaded sleeve collides with the clamping position. The sphere is used to keep the catching sphere in the plug-and-socket engagement with the locating groove, so as to realize the splicing and fixing of the first short rod and the second short rod, so that the connection between the first short rod and the second short rod is firmer and more stable.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural representation of support rod in the present invention;

Fig. 3 is the structural representation of the fixed seat in the present invention;

Fig. 4 is the top view of the support rod in the present invention;

Fig. 5 is the structural representation of the receiving part in the present invention;

6 is a schematic diagram of the connection structure of the sleeve, the receiving block and the first nut in the present invention;

Fig. 7 is the structural representation of the auxiliary fixing clip in the present invention;

8 is a partial cross-sectional view of a support rod in the present invention;

FIG. 9 is an exploded view of the first short rod and the second short rod in the present invention after cutting.

In the figure: 1, support rod; 11, the first short rod; 12, the second short rod; 111, the socket; 112, the ball groove; , plug-in part; 122, clamping slot; 2, fixed seat; 21, bottom plate; 22, sleeve; 23, reinforced enclosure; 3, connecting rod; 31, wedge block; 4, fixed block; 41, wedge groove ;42, arc surface; 51, sleeve; 52, receiving block; 53, first nut; 54, first screw rod; 55, top block; 56, wooden square; 6, auxiliary fixing clip; 61, first arc Clamp; 62, second arc clamp; 63, elastic rubber pad; 64, connecting block; 65, second screw; 66, second nut; 71, first threaded sleeve; 72, second threaded sleeve; 73, small Connecting sleeve; 74. Large connecting sleeve; 8. Positioning block; 9. Positioning groove; 10. Floor slab.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

A floor slab reinforcement support system, as shown in Figure 1, includes a plurality of vertically arranged and hollow support rods 1, and the support rods 1 are round steel pipes. As shown in FIG. 2 , the bottom end of the support rod 1 is connected with a fixed seat 2 . As shown in FIG. 3 , the fixed seat 2 includes a bottom plate 21 and a sleeve 22 integrally formed with the bottom plate 21 . The sleeve 22 and the bottom plate 21 can be die-casted. forming. The sleeve 22 is arranged vertically, and four reinforcing enclosure plates 23 are circumferentially provided on the side wall of the sleeve 22. The reinforcing enclosure plates 23 are connected and fixed with the sleeve 22 and the bottom plate 21 by welding. When supporting the floor 10 , the fixing base 2 is fixed on the ground by bolts, the support rod 1 is inserted into the sleeve 22 , and the sleeve 22 and the support rod 1 are fixed by bolts, so that the support rod 1 is fixed.

As shown in FIGS. 1 and 2 , four connecting rods 3 with circular cross-sections are connected between two adjacent support rods 1 , and the four connecting rods 3 are equally spaced along the length direction of the vertical rod.

As shown in FIG. 2 and FIG. 4 , a fixing block 4 is fixed circumferentially on the side wall of the support rod 1 , and the fixing block 4 is connected and fixed with the support rod 1 by welding. The top surface of the fixing block 4 is provided with a wedge-shaped groove 41, and the notch of the wedge-shaped groove 41 decreases sequentially from top to bottom. The end of the connecting rod 3 is integrally formed with a wedge-shaped block 31 , and the wedge-shaped block 31 is snap-fitted with the wedge-shaped groove 41 .

The top surface of the fixing block 4 is provided with an arc surface 42. When the wedge-shaped block 31 is snap-fitted with the wedge-shaped groove 41, the connecting rod 3 is supported on the arc surface 42, and the arc surface 42 limits the connecting rod 3 to limit the connecting rod. 3 rolls.

As shown in FIG. 2 and FIG. 5 , a receiving portion is inserted into the top of the support rod 1 . The receiving portion includes a circular sleeve 51 and receiving blocks 52 fixed on both sides of the sleeve 51 . The sleeve 51 is sleeved on the support rod. 1, the sleeve 51 can be rotated relative to the support rod 1, and the outer diameter of the sleeve 51 is slightly smaller than the inner diameter of the support rod 1; the receiving block 52 is carried on the top of the sleeve 51, thereby supporting the sleeve 51. .

As shown in FIG. 2 and FIG. 6 , a first nut 53 is fixed in the sleeve 51 , the first nut 53 is threadedly connected with a first screw 54 , and the first screw 54 is arranged along the length direction of the support rod 1 . One end is located in the support rod 1 , and the other end protrudes upward from the sleeve 51 . One end of the first screw rod 54 protruding upward from the sleeve 51 is fixed with a top block 55 , the top block 55 is arranged in a concave shape, and a wooden square 56 for contacting the floor plate 10 is placed in the concave part of the top block 55 to increase the top block 55 The contact area with the floor slab 10 further makes the supporting force to the floor slab 10 more stable. In practical applications, the wooden squares 56 are arranged in a long strip shape, and the wooden squares 56 are placed on the top blocks 55 of the entire row of support rods 1 .

When supporting the floor 10 , by adjusting the protruding length of the first screw rod 54 , the overall length of the support rod 1 can be finely adjusted. The overall length is slightly smaller than the height of the floor, so that when the support rod 1 is installed, there is a space for avoiding space between the top of the support rod 1 and the floor 10. After the support rod 1 is fixed, the first nut 53 is rotated by rotating the receiving block 52, and the first nut 53 is rotated. During the rotation of the nut 53, the wooden block 56 limits the top block 55, thereby restricting the rotation of the first screw 54, so that the first screw 54 moves vertically, and the first screw 54 moves upward and pushes the first screw 54 by rotating the support block. The wooden square 56 moves upwards until the wooden square 56 tightly abuts against the floor slab 10 , so as to support the floor slab 10 .

As shown in FIG. 5 , the support block is provided with an auxiliary fixing clip 6 for clamping and fixing the first screw rod 54 . As shown in FIG. 7 , the auxiliary fixing clip 6 includes a first arc-shaped clip 61 and a second arc-shaped clip 62 . The first arc-shaped clip 61 and the second arc-shaped clip 62 are arranged to intersect, and the intersections of the first arc-shaped clip 61 and the second arc-shaped clip 62 are hinged. The arc surfaces 42 of the first arc clamp 61 and the second arc clamp 62 are covered with elastic rubber pads 63 to increase the distance between the first arc clamp 61 , the second arc clamp 62 and the first screw rod 54 . friction. One end of the first arc clip 61 and the second arc clip 62 away from the hinge point is integrally formed with a connecting block 64, and the connecting block 64 on the first arc clip 61 is fixed with a second screw 65, and the second screw 65 is arranged horizontally , the connecting block 64 on the second arc-shaped clip 62 is provided with a through hole (not marked in the figure) for the second screw 65 to pass through. The nut 66 enables the first arc clamp 61 and the second arc clamp 62 to tightly clamp the first screw rod 54 .

When the first screw 54 is forced to rotate, the cooperation between the auxiliary fixing clip 6 and the support block restricts the vertical downward movement of the first screw 54, that is, when the first screw 54 or the support block is subjected to a rotating force, the screw will rotate. The vertical movement, while the auxiliary fixing clip 6 tightly clamps the first screw 54, the downward movement of the auxiliary fixing clip 6 is restricted by the support block, thereby restricting the downward movement of the first screw 54, and the movement of the first screw 54 in the vertical direction Being restricted, the first screw rod 54 is difficult to rotate, so that the support rod 1 can maintain the support floor 10 .

Specifically, as shown in FIG. 2 , the support rod 1 is formed by splicing three short rods with each other, and the number of the short rods can be adjusted according to the actual floor height. As shown in FIG. 8 , the two adjacent short rods are a first short rod 11 and a second short rod 12 respectively. One end of the first short rod 11 is provided with a socket 111 , and one end of the second short rod 12 is provided with a socket 111 . 111 is plugged into the mating plug portion 121 . The diameter of the socket 111 is larger than the inner diameter of the first short rod 11 and smaller than the outer diameter of the first short rod 11 .

As shown in FIG. 8 and FIG. 9 , the inner wall of the socket 111 is spaced with spherical grooves 112 along the circumferential direction of the first short rod 11 . The diameter of the ball slot 112 is slightly larger than the diameter of the locking ball 113 , and the locking ball 113 can move relative to the ball slot 112 . In this embodiment, a first notch 1121 is formed on the side of the ball groove 112 passing through the socket 111 , and a second notch 1122 is formed on the side of the ball groove 112 penetrating the side wall of the first short rod 11 . The first notch 1121 and the second The diameters of the notch 1122 are the same, and the diameters of the first notch 1121 and the second notch 1122 are slightly smaller than the diameter of the locking sphere 113, so that the locking sphere 113 can be kept in the spherical groove 112, and the locking sphere 113 can be opposite to the spherical groove 112 moves until one side protrudes out of the first notch 1121 or the second notch 1122 , when the locking ball 113 moves until one side protrudes from the first notch 1121 , the locking ball 113 faces the side outside the first short rod 11 The side wall of the first short rod 11 is flush with the side wall of the first short rod 11 . When the locking ball 113 moves to one side protruding from the second gap 1122 , the side of the locking ball 113 facing the socket 111 is flush with the inner wall of the socket 111 .

As shown in FIG. 8 and FIG. 9 , the side wall of the plug-in portion 121 is provided with a card slot 122 in the circumferential direction to engage with the card ball 113 . When the 112 is aligned with the locating slot 122 , the ball slot 112 can be driven to move until one side protrudes from the first notch 1121 , and the side protruding from the first notch 1121 is snap-fitted with the locating slot 122 .

In addition, as shown in FIG. 8 and FIG. 9 , the connection between the first short rod 11 and the second short rod 12 is provided with a connecting component for connecting and fixing the two. The connecting assembly includes a first threaded sleeve 71 and a second threaded sleeve 72 sleeved on the first short rod 11 and the second short rod 12 respectively, and the side walls of the first short rod 11 and the second short rod 12 are both provided with external threads , the first threaded sleeve 71 is threadedly matched with the external thread of the first short rod 11 , and the second threaded sleeve 72 is threadedly matched with the external thread of the second short rod 12 .

One end of the first threaded sleeve 71 close to the second threaded sleeve 72 is provided with a small connecting sleeve 73, the inner wall of the small connecting sleeve 73 is in contact with the side wall of the first short rod 11, and the outer wall of the small connecting sleeve 73 is provided with connecting threads; One end of the threaded sleeve 72 close to the first threaded sleeve 71 is fixed with a large connecting sleeve 74 , a step is formed between the large connecting sleeve 74 and the inner wall of the second threaded sleeve 72 , and the inner diameter of the large connecting sleeve 74 is larger than the outer diameter of the small connecting sleeve 73 The inner wall of the large connecting sleeve 74 is provided with an internal thread which is matched with the connecting thread. When the inner thread of the large threaded sleeve is threadedly matched with the connecting thread of the small threaded sleeve, the inner wall of the small connecting sleeve 73 abuts against the locking ball 113, so that the locking ball 113 moves against the relative ball groove 112 until one side protrudes out of the first The notch 1121 is snap-fitted with the snap-fit slot 122, and at the same time, the small connecting sleeve 73 keeps abutting against the snap-on sphere 113, so that the snap-on sphere 113 remains snap-fitted with the snap-fit slot 122, thereby making the first short rod 11 and the snap-on sphere 113 snap fit. The connection of the second short rod 12 is more stable.

As shown in FIGS. 8 and 9 , in order to prevent the first short rod 11 and the second short rod 12 from rotating relative to each other during the rotation of the first threaded sleeve 71 and the second threaded sleeve 72 , the first short rod A positioning block 8 and a positioning groove 9 are provided at the connection between the 11 and the second short rod 12 , and the positioning block 8 and the positioning groove 9 are inserted and matched. In this embodiment, both the first short rod 11 and the second short rod 12 are provided with a positioning block 8 and a positioning groove 9, that is, the first short rod 11 is provided with a positioning block 8 and a positioning groove 9. Similarly, the second short rod 11 is provided with a positioning block 8 and a positioning groove 9. The short rod 12 is provided with a positioning block 8 and a positioning groove 9, and the positioning block 8 on the first short rod 11 is inserted and matched with the positioning groove 9 on the second short rod 12. The positioning block 8 on the second short rod 12 It is inserted and matched with the positioning groove 9 on the second short rod 12 .

At the same time, the positioning blocks 8 of the first short rod 11 and the second short rod 12 protrude from the side walls of the first short rod 11 and the second short rod 12 respectively, and the positioning block 8 of the first short rod 11 protrudes from the first short rod 11 The part of the side wall of the rod 11 is used for the small connecting sleeve 73 to interfere, and the part of the positioning block 8 of the second short rod 12 protruding from the side wall of the second short rod 12 is used for the step to interfere. When the large connecting sleeve 74 and the small connecting sleeve After threaded connection 73 , the end of the small connecting sleeve 73 abuts the positioning block 8 of the first short rod 11 , and the step of the large connecting sleeve 74 abuts the positioning block 8 of the second short rod 12 .

The general working process: when supporting the floor 10, insert the plug portion 121 of the second short rod 12 into the socket 111 of the first short rod 11. During the process of inserting the plug portion 121 into the socket 111, the plug portion 121 The sidewall of the stub collides with the locking ball 113, so that the locking ball 113 moves relative to the ball groove 112 until one side protrudes from the side wall of the first short rod 11, and then gives way to the insertion portion 121; when the insertion portion 121 is completely When inserted into the socket 111 and the ball groove 112 is aligned with the locking groove 122, the first threaded sleeve 71 and the second threaded sleeve 72 are rotated to make the first threaded sleeve 71 and the second threaded sleeve 72 approach each other along the until the first threaded sleeve 71 and the second threaded sleeve 72 are threadedly connected and the first threaded sleeve 71 and the second threaded sleeve 72 are approaching each other, the inner wall of the first threaded sleeve 71 abuts against the locking sphere 113 to prevent The locking ball 113 is moved relative to the ball groove 112 to one side and inserted into the locking groove 122, and the first short rod 11 and the second short rod 12 are limited by the cooperation of the locking ball 113 and the locking groove 122. At the same time, the inner wall of the first threaded sleeve 71 abuts against the locking sphere 113, so that the locking sphere 113 is kept plugged and matched with the locking groove 122, and the splicing and fixing of the first short rod 11 and the second short rod 12 are realized. After splicing to form the support rod 1 , the support rod 1 is vertically fixed, and then the first screw 54 is raised by rotating the receiving part, and then the wooden square 56 is raised to abut against the floor plate 10 to support the floor plate 10 . The above embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but only in the claims of the present invention. are protected by patent law.

Claims (8)

1. A floor slab reinforcement and support system, characterized in that it comprises a plurality of hollow support rods (1), the top of the support rod (1) is detachably provided with a height adjustment part, and the height adjustment part comprises: a first screw (54) inserted into the support rod (1) and a support part provided at one end of the first screw (54), the support part is used to abut against the floor (10); the first screw The screw (54) is screwed with a first nut (53), and a side wall of the first nut (53) is provided with a receiving part, the receiving part abuts against the top end of the support rod (1) and is connected to the The top end of the support rod (1) is connected in rotation; The support rod (1) is formed by splicing several short rods with each other, and the two adjacent short rods are respectively a first short rod (11) and a second short rod (12), and the first short rod One end of (11) is provided with a socket (111), and one end of the second short rod (12) is provided with a plug-in portion (121) that is plug-fitted with the socket (111), and the first short rod ( 11) The connection between the second short rod (12) and the second short rod (12) is provided with a connecting component for connecting and fixing the two; The connecting assembly includes a threaded sleeve, and one end side wall of the first short rod (11) and the second short rod (12) connected to each other is provided with an external thread that is threadedly matched with the threaded sleeve. 2. The floor slab reinforcement support system according to claim 1, characterized in that: the support part comprises a top block (55) and a wooden block (56) arranged on the top block (55), and the top block (55) 55) It is arranged in a concave shape, and the wooden square (56) is detachably arranged on the top block (55). 3. The floor slab reinforcement support system according to claim 2, wherein the threaded sleeve comprises a first threaded sleeve (71) and a second threaded sleeve (72), and the first threaded sleeve (71) is threadedly connected On the external thread of the first short rod (11), the second threaded sleeve (72) is threadedly connected to the external thread of the second short rod (12), and the first threaded sleeve (71) is close to the external thread of the second short rod (12). One end side wall of the second threaded sleeve (72) is provided with a connecting thread, and an inner wall of one end of the second threaded sleeve (72) close to the first threaded sleeve (71) is provided with a thread that fits in the inner wall of the connecting thread. thread. 4. The floor slab reinforcement and support system according to claim 3, wherein the inner wall of the socket (111) is provided with spherical grooves (112) at intervals along the circumferential direction of the first short rod (11), the spherical grooves (112) Passing through the side wall of the first short rod (11), a locking ball (113) is movably arranged in the ball groove (112), and the locking ball (113) can be opposed to the ball groove (112) Move until one side protrudes from the socket (111), or move until it protrudes from the side wall of the first short rod (11); the side wall of the plug portion (121) is circumferentially provided with a clamping position a groove (122), the locking groove (122) is snap-fitted with the locking ball (113), and the connecting thread of the first threaded sleeve (71) is threadedly matched with the second threaded sleeve (72) When the inner thread of the first threaded sleeve (71) is in contact with the locking ball (113), one side of the locking ball (113) protrudes from the ball groove (112) and is in contact with the locking ball (113). The card slot (122) is snap-fitted. 5. The floor slab reinforcement support system according to claim 1, wherein a positioning block (8) is provided at one end of the first short rod (11) connected to the second short rod (12), and the second short rod (12) is provided with a positioning block (8). One end of the short rod (12) close to the first short rod (11) is provided with a positioning groove (9) for the positioning block (8) to be inserted into. 6. The floor slab reinforcement support system according to claim 1, wherein a connecting rod (3) is connected between two adjacent support rods (1), and both ends of the connecting rod (3) They are respectively detachably connected to the two adjacent support rods (1). 7. The floor slab reinforcement support system according to claim 1, characterized in that: both ends of the connecting rod (3) are provided with wedge-shaped blocks (31), and the side walls of the supporting rod (1) are provided with fixed A block (4), the fixing block (4) is provided with a wedge-shaped groove (41) that is snap-fitted with the wedge-shaped block (31). 8. The floor slab reinforcement support system according to claim 1, characterized in that: the receiving portion is provided with an auxiliary fixing clip (6) for clamping and fixing the first screw rod (54), and the auxiliary fixing clip ( 6) Bearing on the receiving part.

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