CN219386881U

CN219386881U - Adjustable steel bar connector

Info

Publication number: CN219386881U
Application number: CN202320650473.0U
Authority: CN
Inventors: 綦德龙; 张伟成; 郝承祖; 攀继强; 邱换亮; 王兴亮; 刘钧明; 李兆龙; 宋罕宇; 徐鑫; 张纪刚; 马哲昊
Original assignee: Qingdao Municipal Construction Group Co ltd; Qingdao University of Technology; Tianyuan Construction Group Co Ltd; Zhongqing Jianan Construction Group Co Ltd
Current assignee: Qingdao Municipal Construction Group Co ltd; Qingdao University of Technology; Tianyuan Construction Group Co Ltd; Zhongqing Jianan Construction Group Co Ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-21
Anticipated expiration: 2033-03-29

Abstract

An adjustable steel bar connector relates to the technical field of connectors and comprises a base, a fixing rib, a first sleeve, a second sleeve, a locking and positioning mechanism, a position fine-tuning mechanism and a rotating mechanism. The utility model discloses a rotating mechanism can be equipped with the random adjustment position on the fixed muscle of external screw thread to the location is in required position department, and its adjustable scope is more nimble, simultaneously, connects the steel reinforcement cage reinforcing bar through staple bolt device, also possesses abundant adjustable function, can loosen staple bolt device and relocate promptly when hookup location is not right, the utility model discloses a second sleeve for connecting butt joint reinforcing bar can also adjust for the position of base through position fine-tuning, to the not firm problem of butt joint reinforcing bar and second sleeve spiro union owing to the inaccurate butt joint reinforcing bar that leads to of counterpoint, the utility model discloses can also firmly lock the butt joint reinforcing bar through locking positioning mechanism.

Description

Adjustable steel bar connector

Technical Field

The utility model relates to a plugging into ware technical field, concretely relates to reinforcing bar plugging into ware with adjustable.

Background

The deep foundation pit engineering generally adopts the form of an underground continuous wall building envelope. When the underground diaphragm wall enclosure structure is connected with the station main body structure, the steel bars are required to be connected with the underground diaphragm wall so as to improve the durability and shock resistance of the main body structure, and the top plate and the bottom plate steel bars are connected through connectors pre-buried in the underground diaphragm wall steel cage. The steel bar connector used conventionally is often provided with only one sleeve, steel bars are inserted into the sleeve, and the compactness of concrete is insufficient when pouring, so that the equal-strength connection of the subsequent steel bars can be affected. Meanwhile, the connector is positioned only by visual inspection and experience of constructors, strict and accurate positioning control measures cannot be adopted, the accuracy of the connector is difficult to ensure, the problems of positioning deflection and the like occur, the connector and a main body steel bar structure are easily connected in a weak manner, in addition, deflection phenomenon occurs in the welding process, the connector is scrapped, the effect is difficult to exert, the engineering construction is affected smoothly, even the main body structure cannot transmit load to an underground continuous wall when serious, the main body structure is caused to be broken, and safety accidents occur.

The utility model patent with the application number of CN202111037329.1 discloses a fixing and positioning device of an angle-adjustable embedded bar connector and a construction method, and the accurate positioning of the embedded bar connector is realized in a mode of combining positioning technologies such as a positioning protection cover with a thimble and a positioning chip, the embedded bar connector at a set control position, a complete embedded bar connector positioning design drawing and the like. The fixed sleeve with adjustable angle can not only connect the fixed bars of the embedded bar connector with the reinforcement cage bars fast and reliably, but also realize the connection of the underground continuous wall of regular and anisotropic foundation pit engineering and the main structure of underground engineering.

In the above patent documents, the connector can be angularly adjusted, however, there are also the following drawbacks:

1. the position of the angle-adjustable fixing sleeve is fixed, so that the position adjustment between the angle-adjustable fixing sleeve and the fixing rib of the embedded bar connector cannot be realized once the angle-adjustable fixing sleeve is fixed, and the angle-adjustable fixing sleeve is still inconvenient to use when the later positioning is out of alignment;

2. the end, connected with the reinforcement bar of the reinforcement cage, of the connector does not have a position adjusting function, so that the connector can be accurately positioned only by one time and cannot be adjusted in the later period;

3. when the connector is connected with the reinforcement cage reinforcement bars, if the connection is not firm, no subsequent locking measures exist, so that the connection firmness needs to be improved.

Disclosure of Invention

The utility model discloses an adjustable steel bar connector, which aims to solve the problems 1-3 in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is:

the utility model provides a reinforcing bar plugging device with adjustable, includes base, fixed muscle, first sleeve, second sleeve, locking positioning mechanism, position fine setting mechanism, slewing mechanism, the one end of base be connected with first sleeve, one end and the first sleeve spiro union of fixed muscle, fixed muscle on be equipped with and be used for being connected with the reinforcement cage reinforcing bar and angle regulation's slewing mechanism, the other end of base be equipped with the second sleeve, the second sleeve be used for connecting the butt joint reinforcing bar, the second sleeve on be equipped with locking positioning mechanism, the base in still be equipped with position fine setting mechanism, position fine setting mechanism and the telescopic bottom of second be connected and fine setting second telescopic position.

Preferably, the surface of fixed muscle be equipped with the external screw thread, rotary mechanism include third sleeve and staple bolt device, the staple bolt device include the mount pad and articulate in 2 staple bolt arms of mount pad lower extreme, the free end of 2 staple bolt arms passes through bolt nut subassembly locking fixed, third telescopic lateral wall lower surface be connected with the top of mount pad through first thrust bearing, third sleeve be equipped with the internal screw thread and with fixed muscle spiro union, the size of staple bolt device with the steel reinforcement cage reinforcing bar external diameter adaptation that is connected.

Preferably, the locking positioning mechanism comprises positioning holes penetrating through the inner surface of the second sleeve in the radial direction, positioning rods are connected in the positioning holes in a sliding manner, a counter-force plate is connected to the top ends of the 2 positioning rods, a jacking screw rod penetrates through the middle of the counter-force plate and is screwed with the middle of the counter-force plate, the inner side end of the jacking screw rod is rotationally connected with the outer surface of the second sleeve through a second thrust bearing, and the inner side end of the positioning rod is located in the positioning holes in an initial state.

Preferably, the position fine adjustment mechanism comprises a linear chute which is radially arranged on the outer surface of the base along the second sleeve, a slide block is connected in the linear chute in a sliding way, the top end of the slide block is fixedly connected with the bottom end of the second sleeve, a screw rod is further arranged in the linear chute, the screw rod penetrates through the slide block, one end of the screw rod is rotationally connected with the wall of the linear chute, the other end of the screw rod rotationally penetrates through the outer surface of the base, the linear chute is opened on the outer surface of the base and forms a bar-shaped limiting hole, and the bar-shaped limiting hole limits the maximum stroke of the slide block and the second sleeve.

Preferably, the second sleeve is provided with an internal thread, and the end part of the butt joint reinforcing steel bar is in threaded connection with the second sleeve.

Preferably, at least 2 rotating mechanisms are arranged.

Preferably, the locking and positioning mechanisms are also arranged in number of 2, and the 2 locking and positioning mechanisms are symmetrically arranged on two sides of the second sleeve.

Preferably, the base is a cubic or cylindrical structure coaxial with the first sleeve.

The beneficial effect of this novel adjustable reinforcing bar connector is:

the utility model discloses a rotating mechanism can be equipped with the random adjustment position on the fixed muscle of external screw thread to the location is in required position department, and its adjustable scope is more nimble, simultaneously, connects the steel reinforcement cage reinforcing bar through staple bolt device, also possesses abundant adjustable function, can loosen staple bolt device and relocate promptly when hookup location is not right, the utility model discloses a second sleeve for connecting butt joint reinforcing bar can also adjust for the position of base through position fine-tuning, to the not firm problem of butt joint reinforcing bar and second sleeve spiro union owing to the inaccurate butt joint reinforcing bar that leads to of counterpoint, the utility model discloses can also firmly lock the butt joint reinforcing bar through locking positioning mechanism.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in use;

FIG. 2 is a schematic side view of the present novel structure;

FIG. 3 is a schematic top view of the present novel structure;

FIG. 4 is a schematic cross-sectional view of the present novel structure;

1. a base; 2. a first sleeve; 3. a second sleeve; 4. fixing ribs; 5. a rotating mechanism; 5-1, a third sleeve; 5-2, a hoop device; 5-3, a first thrust bearing; 5-4, mounting seats; 6. a reaction plate; 7. pushing the screw; 8. a second thrust bearing; 9. a positioning rod; 10. butt joint reinforcing steel bars; 11. reinforcing steel bars of the reinforcement cage; 12. a screw; 13. a straight line chute; 14. a slide block; 15. and a bar-shaped limiting hole.

Detailed Description

The following description is of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, but is intended to cover any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model.

1-4, including base 1, fixed muscle 4, first sleeve 2, second sleeve 3, locking positioning mechanism, position fine setting mechanism, slewing mechanism, the one end of base 1 be connected with first sleeve 2, fixed muscle 4's one end and first sleeve 2 spiro union, fixed muscle 4 on be equipped with and be used for being connected with steel reinforcement cage reinforcing bar 11 and angle regulation's slewing mechanism, the other end of base 1 be equipped with second sleeve 3, second sleeve 3 be used for connecting butt joint reinforcing bar 10, second sleeve 3 on be equipped with locking positioning mechanism, the base in still be equipped with position fine setting mechanism, position fine setting mechanism and second sleeve 3's bottom be connected and fine setting second sleeve 3's position.

Further, as shown in fig. 1-4, the outer surface of the fixing rib 4 is provided with external threads, the rotating mechanism 5 comprises a third sleeve 5-1 and a hoop device 5-2, the hoop device 5-2 comprises a mounting seat 5-4 and 2 hoop arms hinged to the lower end of the mounting seat, the free ends of the 2 hoop arms are locked and fixed through a bolt and nut assembly, the lower surface of the side wall of the third sleeve 5-1 is connected with the top end of the mounting seat 5-4 through a first thrust bearing 5-3, the third sleeve 5-1 is provided with internal threads and is in threaded connection with the fixing rib 4, and the size of the hoop device is matched with the outer diameter of a connected reinforcement cage reinforcement 11.

Further, as shown in fig. 1-4, the locking positioning mechanism includes positioning holes (as shown in fig. 4, not labeled in the drawing) penetrating through the inner surface of the second sleeve 3 in the radial direction, positioning rods 9 are slidably connected in the positioning holes, the top ends of the 2 positioning rods 9 are connected with a counter-force plate 6, the middle part of the counter-force plate 6 penetrates through and is screwed with a jacking screw 7, the inner side end of the jacking screw 7 is rotationally connected with the outer surface of the second sleeve 3 through a second thrust bearing 8, and in an initial state, the inner side end of the positioning rod 9 is positioned in the positioning holes. The positioning rod can be driven to enter the second sleeve along the positioning hole by rotating the jacking screw 7, and the butt joint reinforcing steel bar 10 which cannot be locked due to various reasons can be further locked and fixed.

Further, as shown in fig. 1-4, the position fine adjustment mechanism includes a linear chute 13 radially opened on the outer surface of the base 1 along the second sleeve 3, a slide block 14 is slidably connected in the linear chute 13, the top end of the slide block 14 is fixedly connected with the bottom end of the second sleeve 3, a screw 12 is further provided in the linear chute 13, the screw 12 penetrates through the slide block 14, one end of the screw 12 is rotatably connected with the wall of the linear chute 13, the other end rotatably penetrates through the outer surface of the base 1, the linear chute 13 is opened on the outer surface of the base 1 and forms a bar-shaped limiting hole 15, and the bar-shaped limiting hole 15 limits the maximum stroke of the slide block 14 and the second sleeve 3. The slide can be moved along the linear chute by turning the screw 12 and fixed in the desired position.

Further, as shown in fig. 1-4, the second sleeve 3 is provided with an internal thread, and the end of the butt-joint reinforcing steel 10 is screwed with the second sleeve 3.

Further, as shown in fig. 1, at least 2 rotating mechanisms 5 are provided. The fixing rib 4 is axially positioned by 2 rotating mechanisms.

Further, as shown in fig. 1-4, 2 locking and positioning mechanisms are also provided, and the 2 locking and positioning mechanisms are symmetrically arranged at two sides of the second sleeve 3.

Further, as shown in fig. 1-4, the base 1 is a cubic or cylindrical structure coaxial with the first sleeve.

The use principle of the novel:

the angle of the fixing rib can be adjusted through the rotating mechanism, so that the angles of the first sleeve and the second sleeve are also adjusted; can further adjust the telescopic position of second on above basis through position fine setting mechanism, regulatory function when making the device use is more nimble, simultaneously, when the unable and second sleeve locking of butt joint reinforcing bar, 4 accessible locating levers are with its and second sleeve locking location, synthesize the above setting, the utility model discloses a but the adjustable function of plugging into the ware, but the position control problem when plugging into ware and butt joint reinforcing bar are connected in the various non-standardized work processes of fully satisfying.

Claims

1. An adjustable steel bar connector is characterized in that: including base, fixed muscle, first sleeve, second sleeve, locking positioning mechanism, position fine setting mechanism, slewing mechanism, the one end of base be connected with first sleeve, one end and the first sleeve spiro union of fixed muscle, fixed muscle on be equipped with and be used for being connected with the reinforcement cage reinforcing bar and angle regulation's slewing mechanism, the other end of base be equipped with the second sleeve, the second sleeve be used for connecting the butt joint reinforcing bar, the second sleeve on be equipped with locking positioning mechanism, the base in still be equipped with position fine setting mechanism, position fine setting mechanism and the telescopic bottom of second be connected and fine setting second telescopic position.

2. An adjustable rebar connector as in claim 1, wherein: the outer surface of fixed muscle be equipped with the external screw thread, rotary mechanism include third sleeve and staple bolt device, the staple bolt device include the mount pad and articulate in 2 staple bolt arms of mount pad lower extreme, the free end of 2 staple bolt arms passes through bolt nut subassembly locking fixed, third telescopic lateral wall lower surface be connected with the top of mount pad through first thrust bearing, third sleeve be equipped with the internal screw thread and with fixed muscle spiro union, the size of staple bolt device with the steel reinforcement cage reinforcing bar external diameter adaptation that is connected.

3. An adjustable rebar connector as in claim 2, wherein: the locking positioning mechanism comprises positioning holes penetrating through the inner surface of the second sleeve in the radial direction, positioning rods are slidably connected in the positioning holes, the top ends of the 2 positioning rods are connected with counter-force plates, the middle parts of the counter-force plates penetrate through and are screwed with jacking screws, the inner ends of the jacking screws are rotationally connected with the outer surface of the second sleeve through second thrust bearings, and the inner ends of the positioning rods are positioned in the positioning holes in an initial state.

4. An adjustable rebar connector as in claim 3, wherein: the position fine adjustment mechanism comprises a linear chute which is radially arranged on the outer surface of the base along the second sleeve, a sliding block is connected in the linear chute in a sliding manner, the top end of the sliding block is fixedly connected with the bottom end of the second sleeve, a screw rod is further arranged in the linear chute, the screw rod penetrates through the sliding block, one end of the screw rod is rotationally connected with the wall of the linear chute, the other end of the screw rod rotatably penetrates through the outer surface of the base, the linear chute is opened on the outer surface of the base and forms a bar-shaped limiting hole, and the bar-shaped limiting hole limits the maximum stroke of the sliding block and the second sleeve.

5. The adjustable rebar connector of claim 4, wherein: the second sleeve is provided with internal threads, and the end part of the butt joint reinforcing steel bar is in threaded connection with the second sleeve.

6. The adjustable rebar connector of claim 5, wherein: at least 2 rotating mechanisms are arranged.

7. The adjustable rebar connector of claim 6, wherein: the locking and positioning mechanisms are also arranged in number of 2, and the 2 locking and positioning mechanisms are symmetrically arranged on two sides of the second sleeve.

8. The adjustable rebar connector of claim 7, wherein: the base is of a cubic structure or a cylindrical structure coaxial with the first sleeve.