Steel bar connection device for underground diaphragm wall

Abstract

The utility model provides an underground diaphragm wall steel bar connecting device, which belongs to the field of building construction and comprises a strip-shaped plate, a plurality of through holes are arranged on the surface of the strip-shaped plate, and slots are arranged on two sides of the inner wall of each through hole. The inner walls of the multiple sets of inserting grooves are connected with the surfaces of the multiple sleeves through elastic supporting assemblies, two adjusting grooves are formed in the area of the edge of the inner wall of each through hole, and the inner walls of the multiple sets of adjusting grooves are connected with the surfaces of the multiple sleeves through limiting assemblies in a clamped mode. A sleeve is inserted into a through hole, the surface of the sleeve extrudes two arc-shaped supporting blocks, the two arc-shaped supporting blocks are matched with two supporting rods to drive two sliding blocks to move in two inserting grooves, the two sliding blocks drive two sets of auxiliary blocks to move on the inner walls of two sets of auxiliary grooves, and therefore movement is limited; the two sliding blocks are matched with the two inserting grooves to extrude the two springs, and the two sliding blocks are matched with elasticity to support and fix the sleeves with different inner diameters.

Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to an underground continuous wall steel bar connecting device. Background Art

[0002] Due to the influence of the construction process, the underground structure of the underground continuous wall is adopted. The steel bars of the subsequently poured concrete components are usually connected with the pre-buried steel bars in the underground continuous wall by using steel bar connectors after the foundation pit is excavated. Compared with the anchoring process, the steel bar connector has the characteristics of high connection efficiency, reliability and safety, and is therefore widely used. Therefore, the pre-buried steel bar connector has become an important construction process. After searching the application number CN202222794484.4, a connecting device for underground continuous walls and concrete component steel bars is disclosed. It is recorded that it includes a fixing plate with at least one through hole, at least one protective shell and at least one sleeve. The sleeve is connected to the through hole correspondingly, and the first end of the sleeve is arranged at On the first side of the fixed plate, the second end of the sleeve is arranged on the second side of the fixed plate, the protective shell is connected to the fixed plate, and the protective shell is sleeved on the outside of the first end or the second end. This device makes the position of the sleeve uniform, accurate, and has high positioning accuracy, avoiding the risk of displacement or angle change during the subsequent installation of the concrete components to be cast; in the process of chiseling away the concrete protective layer, it is easy to find the positioning connection device, reducing the risk of the sleeve being damaged, but the above description still has the following defects in actual use: when the device is used, the inner diameter of the sleeve cannot be adapted due to the different sizes of the steel bars, and there is a lack of structure to limit the sleeve. Therefore, it is necessary to design a practical underground continuous wall steel bar connection device. Utility Model Content

[0003] The purpose of the utility model is to provide an underground continuous wall reinforcement connection device to solve the problems raised by the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: an underground continuous wall steel bar connection device, comprising a strip plate, a plurality of through holes formed on the surface of the strip plate, slots formed on both sides of the inner walls of the plurality of through holes, the inner walls of the plurality of groups of the slots being mounted and connected to the surfaces of the plurality of sleeves via elastic support components, two adjustment slots formed in the edge areas of the inner walls of the plurality of through holes, the inner walls of the plurality of groups of the adjustment slots being engaged and connected to the surfaces of the plurality of sleeves via limit components;

[0005] The elastic support assembly includes springs installed on the inner walls of several groups of slots, the other ends of the several groups of springs are fixedly connected to sliders, the other sides of the several groups of sliders are fixedly connected to several groups of arc-shaped support blocks through support rods, and the inner walls of the several groups of arc-shaped support blocks are engaged with the surfaces of several sleeves;

[0006] The limit assembly includes adjustment blocks installed on the inner walls of several groups of adjustment grooves, the surfaces of several groups of adjustment blocks are provided with jacks, the inner walls of several groups of jacks are threadedly connected to several holes and grooves provided on the inner walls of several groups of adjustment grooves through pins, the opposite ends of several groups of adjustment blocks are fixedly connected with arc-shaped limit blocks, the middle part of the inner wall of several groups of arc-shaped limit blocks is provided with a limit plug, and both sides of the inner wall of several groups of arc-shaped limit blocks are provided with arc-shaped elastic seals.

[0007] As a preferred solution of the present invention: the edges of the other side of the inner wall of several through holes are provided with elastic telescopic sleeves, and the other ends of several elastic telescopic sleeves are provided with elastic limiting rings.

[0008] As a preferred solution of the present invention: auxiliary grooves are provided on both sides of the inner wall of the slot, and the inner walls of the two auxiliary grooves are slidably connected to auxiliary blocks provided at both ends of the slider.

[0009] As a preferred solution of the present invention, two limiting grooves are provided on the surface of the sleeve, and the inner walls of the two limiting grooves are engaged with the surfaces of the two limiting inserts.

[0010] As a preferred solution of the present invention: threaded holes are provided on the surfaces of both ends of the strip plate, the inner walls of the two threaded holes are threadedly connected to the two mounting holes provided on the surfaces of the two mounting blocks through bolts, and the opposite ends of the two mounting blocks are fixedly connected to the two ends of the protective shell.

[0011] As a preferred solution of the present invention: the length of the strip plate is set to about one meter, and the plurality of through holes are evenly spaced.

[0012] As a preferred solution of the present invention: the strip plate is made of steel, and the protective shell can be made of steel or plastic.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) By inserting the sleeve into the through hole, the sleeve surface squeezes the two arc-shaped support blocks, and the two arc-shaped support blocks cooperate with the two support rods to drive the two sliders to move in the two slots. The two sliders drive the two sets of auxiliary blocks to move on the inner walls of the two sets of auxiliary slots, thereby limiting their movement. The two sliders cooperate with the two slots to squeeze the two springs, and cooperate with the elasticity to support and fix the sleeves with different inner diameters;

[0015] (2) By moving the two adjustment blocks on the inner walls of the two adjustment grooves, the two adjustment blocks drive the two arc-shaped limit blocks to move, and the two arc-shaped limit blocks drive the two limit plugs to engage with the inner walls of the two limit grooves on the surface of the sleeve, and at the same time drive the two sets of arc-shaped elastic seals to contact the surface of the sleeve, and insert the two pins into the corresponding two plug holes and hole grooves, so as to limit and fix the two adjustment blocks and the strip plate, and complete the limitation of the sleeve. At the same time, the other end of the sleeve surface passes through the elastic limit ring, and the elastic limit ring cooperates with the elastic telescopic sleeve to prevent foreign objects from entering the through hole, thereby further limiting the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is one of the structural diagrams of the present utility model;

[0018] Figure 3 It is a partial structural diagram of the utility model;

[0019] Figure 4 It is a partial structural diagram of the utility model;

[0020] Figure 5 This is a schematic structural diagram of the elastic support assembly of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the limit assembly of the utility model.

[0022] In the figure: 1. Strip plate; 11. Through hole; 12. Slot; 13. Sleeve; 14. Adjustment slot; 15. Hole slot; 16. Elastic telescopic sleeve; 17. Elastic limiting ring; 18. Auxiliary slot; 19. Limiting slot; 110. Threaded hole; 111. Bolt; 112. Mounting block; 113. Mounting hole; 114. Protective shell; 2. Elastic support assembly; 21. Spring; 22. Slider; 23. Support rod; 24. Arc-shaped support block; 25. Auxiliary block; 3. Limiting assembly; 31. Adjustment block; 32. Socket; 33. Pin; 34. Arc-shaped limiting block; 35. Limiting plug block; 36. Arc-shaped elastic seal. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described 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, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-6 A device for connecting steel bars of an underground continuous wall includes a strip plate 1. A plurality of through holes 11 are formed on the surface of the strip plate 1. Slots 12 are formed on both sides of the inner walls of the plurality of through holes 11. The inner walls of the plurality of groups of slots 12 are connected to the surfaces of the plurality of sleeves 13 through elastic support components 2. Two adjustment slots 14 are formed in the edge areas of the inner walls of the plurality of through holes 11. The inner walls of the plurality of groups of adjustment slots 14 are connected to the surfaces of the plurality of sleeves 13 through limit components 3.

[0025] See also Figure 5 The elastic support assembly 2 includes springs 21 installed on the inner walls of several groups of slots 12. The other ends of several groups of springs 21 are fixedly connected to sliders 22. The other sides of several groups of sliders 22 are fixedly connected to several groups of arc-shaped support blocks 24 through support rods 23. The inner walls of several groups of arc-shaped support blocks 24 are snap-fitted and connected to the surfaces of several sleeves 13.

[0026] During specific use: insert the sleeve 13 into the through hole 11, the surface of the sleeve 13 squeezes the two arc-shaped support blocks 24, the two arc-shaped support blocks 24 cooperate with the two support rods 23 to drive the two sliders 22 to move in the two slots 12, and the two sliders 22 drive the two groups of auxiliary blocks 25 to move on the inner walls of the two groups of auxiliary grooves 18, thereby limiting their movement, and the two sliders 22 cooperate with the two slots 12 to squeeze the two springs 21, and cooperate with the elasticity to support and fix the sleeves 13 with different inner diameters.

[0027] See also Figure 6 The limit assembly 3 includes an adjustment block 31 installed on the inner wall of several groups of adjustment grooves 14. The surfaces of several groups of adjustment blocks 31 are provided with insertion holes 32. The inner walls of several groups of insertion holes 32 are threadedly connected to several holes 15 provided on the inner walls of several groups of adjustment grooves 14 through pins 33. The opposite ends of several groups of adjustment blocks 31 are fixedly connected with arc-shaped limit blocks 34. The middle part of the inner wall of several groups of arc-shaped limit blocks 34 is provided with a limit plug 35, and both sides of the inner wall of several groups of arc-shaped limit blocks 34 are provided with arc-shaped elastic seals 36.

[0028] An elastic expansion sleeve 16 is provided on the edge of the other side of the inner wall of each of the through holes 11 , and an elastic limiting ring 17 is provided on the other end of each of the elastic expansion sleeves 16 .

[0029] During specific use: move the two adjusting blocks 31 on the inner walls of the two adjusting grooves 14, the two adjusting blocks 31 drive the two arc-shaped limit blocks 34 to move, the two arc-shaped limit blocks 34 drive the two limit plugs 35 to engage with the inner walls of the two limit grooves 19 on the surface of the sleeve 13, and at the same time drive the two groups of arc-shaped elastic seals 36 to contact the surface of the sleeve 13, insert the two pins 33 into the corresponding two plug holes 32 and the hole grooves 15, so as to limit and fix the two adjusting blocks 31 to the strip plate 1, and complete the limitation of the sleeve 13. At the same time, the other end of the surface of the sleeve 13 passes through the elastic limit ring 17, and the elastic limit ring 17 cooperates with the elastic telescopic sleeve 16 to prevent foreign objects from entering the through hole 11, further playing a limiting role on the sleeve 13.

[0030] See also Figure 4 Auxiliary grooves 18 are provided on both sides of the inner wall of the slot 12 , and the inner walls of the two auxiliary grooves 18 are slidably connected to the auxiliary blocks 25 provided at both ends of the slider 22 .

[0031] During specific use, the two sliders 22 drive the two groups of auxiliary blocks 25 to move along the inner walls of the two groups of auxiliary grooves 18, thereby limiting their movement.

[0032] See also Figure 3 Two limiting grooves 19 are provided on the surface of the sleeve 13 , and the inner walls of the two limiting grooves 19 are engaged with the surfaces of the two limiting inserts 35 .

[0033] During specific use, the surfaces of the two limiting inserts 35 engage with the inner walls of the two limiting grooves 19 , thereby facilitating the limiting and fixing of the sleeve 13 and the strip plate 1 .

[0034] See also Figure 3 , threaded holes 110 are opened on the surfaces of both ends of the strip plate 1, and the inner walls of the two threaded holes 110 are threadedly connected to the two mounting holes 113 opened on the surfaces of the two mounting blocks 112 through bolts 111, and the opposite ends of the two mounting blocks 112 are fixedly connected to the two ends of the protective shell 114.

[0035] During specific use: two bolts 111 are inserted into the two mounting holes 113 and the threaded hole 110 , thereby fixing the two mounting blocks 112 to the strip plate 1 , thereby achieving the installation of the protective shell 114 to the strip plate 1 .

[0036] See also Figure 1 The length of the strip plate 1 is set to about one meter, and a plurality of through holes 11 are evenly spaced.

[0037] The strip plate 1 is made of steel, and the protective shell 114 can be made of steel or plastic.

[0038] In specific use: the strip plate 1 made of steel is convenient for increasing the strength of the connection, and the protective shell 114 made of steel or plastic material is convenient for installation and disassembly of the structure, and is also convenient for subsequent steel bar connection.

[0039] When in use, insert the sleeve 13 into the through hole 11, and the surface of the sleeve 13 squeezes the two arc-shaped support blocks 24. The two arc-shaped support blocks 24 cooperate with the two support rods 23 to drive the two sliders 22 to move in the two slots 12. The two sliders 22 drive the two groups of auxiliary blocks 25 to move on the inner walls of the two groups of auxiliary grooves 18 to limit their movement. The two sliders 22 cooperate with the two slots 12 to squeeze the two springs 21, and cooperate with the elasticity to support and fix the sleeves 13 with different inner diameters; move the two adjusting blocks 31 on the inner walls of the two adjusting grooves 14, and the two adjusting blocks 31 drive the two arc limit The block 34 moves, and the two arc-shaped limit blocks 34 drive the two limit plugs 35 to engage with the inner walls of the two limit grooves 19 on the surface of the sleeve 13, and at the same time drive the two sets of arc-shaped elastic seals 36 to contact the surface of the sleeve 13, insert the two pins 33 into the corresponding two plug holes 32 and the hole grooves 15, and limit and fix the two adjustment blocks 31 to the strip plate 1 to complete the limitation of the sleeve 13. At the same time, the other end of the surface of the sleeve 13 passes through the elastic limit ring 17, and the elastic limit ring 17 cooperates with the elastic telescopic sleeve 16 to prevent foreign objects from entering the through hole 11, thereby further limiting the sleeve 13.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An underground continuous wall reinforcement connection device, characterized in that: The invention comprises a strip plate (1), wherein a plurality of through holes (11) are provided on the surface of the strip plate (1), slots (12) are provided on both sides of the inner walls of the plurality of through holes (11), the inner walls of the plurality of groups of the slots (12) are connected to the surfaces of the plurality of sleeves (13) through elastic support components (2), two adjustment slots (14) are provided on the edge areas of the inner walls of the plurality of through holes (11), and the inner walls of the plurality of groups of the adjustment slots (14) are connected to the surfaces of the plurality of sleeves (13) through stop components (3); The elastic support assembly (2) comprises a spring (21) mounted on the inner wall of a plurality of groups of slots (12), the other end of each of the plurality of groups of springs (21) is fixedly connected to a slider (22), the other side of each of the plurality of groups of sliders (22) is fixedly connected to a plurality of groups of arc-shaped support blocks (24) via a support rod (23), and the inner wall of each of the plurality of groups of arc-shaped support blocks (24) is engaged with the surface of a plurality of sleeves (13); The limiting assembly (3) comprises an adjusting block (31) mounted on the inner wall of a plurality of groups of adjusting grooves (14); a plug hole (32) is provided on the surface of the plurality of groups of adjusting blocks (31); the inner walls of the plurality of groups of plug holes (32) are threadedly connected to a plurality of hole grooves (15) provided on the inner wall of the plurality of groups of adjusting grooves (14) through a latch (33); an arc-shaped limiting block (34) is fixedly connected to the opposite end of the plurality of groups of adjusting blocks (31); a limiting plug block (35) is provided in the middle of the inner wall of the plurality of groups of arc-shaped limiting blocks (34); and arc-shaped elastic sealing members (36) are provided on both sides of the inner wall of the plurality of groups of arc-shaped limiting blocks (34).

2. The underground continuous wall reinforcement connection device according to claim 1, characterized in that: The edge of the other side of the inner wall of the plurality of through holes (11) is provided with an elastic telescopic sleeve (16), and the other end of the plurality of elastic telescopic sleeves (16) is provided with an elastic limiting ring (17).

3. The underground continuous wall reinforcement connection device according to claim 1, characterized in that: Auxiliary grooves (18) are provided on both sides of the inner wall of the slot (12), and the inner walls of the two auxiliary grooves (18) are slidably connected to auxiliary blocks (25) provided at both ends of the slider (22).

4. The underground continuous wall reinforcement connection device according to claim 1, characterized in that: Two limiting grooves (19) are provided on the surface of the sleeve (13), and the inner walls of the two limiting grooves (19) are engaged with the surfaces of the two limiting inserts (35).

5. The underground continuous wall reinforcement connection device according to claim 1, characterized in that: Threaded holes (110) are provided on the surfaces of both ends of the strip plate (1), and the inner walls of the two threaded holes (110) are threadedly connected to two mounting holes (113) provided on the surfaces of two mounting blocks (112) through bolts (111), and opposite ends of the two mounting blocks (112) are fixedly connected to the two ends of the protective shell (114).

6. The underground continuous wall reinforcement connection device according to claim 1, characterized in that: The length of the strip plate (1) is set to about one meter, and a plurality of the through holes (11) are evenly spaced.

7. The underground continuous wall reinforcement connection device according to claim 5, characterized in that: The strip plate (1) is made of steel, and the protective shell (114) can be made of steel or plastic.

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