A steel structural member connecting structure

Abstract

The application provides a steel structural member connecting structure, which comprises a steel strip and a connecting structure main body. The bottom and the top of one end of the steel strip are both provided with two first limiting grooves. The connecting structure main body comprises two U-shaped fasteners. A fixed limiting strip is fixedly connected to the center of the inner side of the U-shaped fastener. The top and the bottom of one end of the steel strip close to the first limiting groove are both provided with a second limiting groove. The top and the bottom of the two sides of the U-shaped fastener are both provided with a third limiting groove. One second limiting groove and the two third limiting grooves in the corresponding area are provided with the same movable limiting strip. The technical key points are as follows: the two steel strips are inserted between the two U-shaped fasteners, the fixed limiting strip is located in the four first limiting grooves, when the movable limiting strip is pushed into the third limiting groove, the two U-shaped fasteners are limited to move away from each other by means of the two steel strips, the two U-shaped fasteners are used to limit the two steel strips to move away from each other, the connection is quick, stable and good in fixing effect.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of steel structure, and particularly relates to a steel structural member connecting structure. BACKGROUND

[0002] Steel members mainly refer to steel plate, angle steel, channel steel and I-beam which are welded through connecting pieces to form a steel structure combined member capable of bearing and transmitting load. The steel member system has comprehensive advantages such as light weight, factory manufacturing, fast installation, short construction period, good seismic performance, fast investment recovery and less environmental pollution, and is widely used in the field of building engineering.

[0003] The connection of the steel member is mainly connected by welding, bolts, rivets or clamps, and the connection modes of welding and rivets are generally irreversible connection modes. If the steel profile is removed, the steel profile must be damaged, which causes waste of the steel profile. In addition, the bolt connection mode needs to open holes between the steel structure members or parts. After removal, the open hole part needs to be removed and repositioned when used again, which causes waste of steel. In addition, the clamp can only connect tubular steel, and the diameter of the clamp limits the diameter of the connected material.

[0004] The existing Chinese patent document with the publication number CN113202188B discloses a kind of steel structure quick connecting piece by connecting piece with clamping groove and pressure frame, when using, pre-drilling pin hole and coaxial through hole on connecting beam, using clamping groove to symmetrically connect two connecting pieces on the bottom wing plate of bottom beam, at this time, hoist connecting beam, the bottom of connecting beam is clamped into two pressure frames, at this time, through coaxial through hole, pull bar is inserted, pressure frame is tightened using pull bar, in the process of pull bar tightening, push plate is compressed to slide, at this time, the bevel of the end of push plate is fitted with the bevel of moving angle block and overcomes the elastic force of tension spring to advance moving angle block displacement, to make the butt joint pin on moving angle block insert into pin hole, simultaneously complete the connection and locking of web and wing plate of connecting beam, compared with traditional welding connection and bolt connection, the present application has the advantages of quick installation, stable connection, effectively improves the assembly efficiency of steel structure, and the structure is detachable, convenient to maintain and reuse, has market prospect, and is suitable for promotion.

[0005] However, in the process of implementing the above technical solution, it is found that the above technical solution has the following technical problems:

[0006] The existing steel structure connecting piece needs to pre-drill pin hole and coaxial through hole on connecting beam when used, which not only requires high machining precision, but also has many accessories such as pin rod and pull bar that can be separated from the main body. When building steel structure at high altitude, these accessories are easy to fall off, which is more troublesome. SUMMARY

[0007] In order to overcome the prior art steel structure connecting piece in use, it is necessary to drill pin holes and coaxial through holes on the connecting beam in advance, not only the machining precision requirement is high, and similar to the pin rod, the pull rod and other accessories can be separated from the main body, when building steel structure at high place, these accessories are easy to fall off, the embodiment of the application provides a steel structure connecting structure, by pressing the movable limiting strip, the spring is compressed, the movable limiting strip is collected in the inside of the second limiting groove, the two steel bars are respectively inserted into the two U-shaped fasteners, the fixed limiting strip is located in the inside of the four first limiting grooves, when the movable limiting strip is pushed into the inside of the third limiting groove by the spring, the support is formed at the inner wall of the second limiting groove and the third limiting groove, the two U-shaped fasteners can be used to limit the two steel bars from moving away from each other, without using any tool, there is no problem of falling off of the parts separated from the main body of the connecting structure, when the two steel bars need to be removed, only the control screw rod is adjusted to drive the gear to rotate, the two racks engaged with the gear drive the corresponding two control arms to move in opposite directions, the inclined surface machined on one end of the control arm applies pressure to the bottom inner wall of the storage strip groove, the movable limiting strip can be pressed back to the inside of the second limiting groove, so that the two steel bars can move away from each other, and the work of removing the connection of the two steel bars is completed.

[0008] The technical solution adopted by the embodiment of the application to solve the technical problems is:

[0009] A steel structure connecting structure includes two parts, namely a steel bar and a connecting structure main body, the steel bar is provided with two;

[0010] The connecting structure main body is used for connecting two steel bars.

[0011] Among them, the two steel bars are symmetrically arranged, the connecting ends of the two steel bars are arranged along a straight line, the connecting structure main body is composed of two separable parts and is symmetrically distributed on both sides of the connecting ends of the two steel bars.

[0012] In a possible implementation, the bottom and the top of one end of the steel bar are machined with two first limiting grooves, and the two first limiting grooves at the connecting ends of the two steel bars are opposite and communicate with each other.

[0013] In a possible implementation, the connecting structure main body includes two U-shaped fasteners, the two U-shaped fasteners are symmetrically distributed on both sides of the two steel bars, the fixed limiting strip is fixedly connected to the center of the inner side of the U-shaped fastener, and the fixed limiting strip leaves a movable space between one side and the side wall of the U-shaped fastener.

[0014] In a possible implementation, the two steel bars are inserted into the space between the two U-shaped fasteners from the two sides of the two U-shaped fasteners, and one of the fixed limiting strips is located inside the four first limiting grooves on one side of the two steel bars.

[0015] In a possible implementation, the second limiting groove is formed on the top and the bottom of one end of the steel bar close to the first limiting groove, the third limiting groove is formed on the top and the bottom of the two sides of the U-shaped fastener, and the same movable limiting strip is arranged inside one of the second limiting grooves and the two third limiting grooves in the corresponding region.

[0016] In a possible implementation, the spring is arranged between the bottom inner wall of the second limiting groove and the bottom of the two sides of the movable limiting strip, the two support columns are fixedly connected to the bottom inner wall of the second limiting groove, the spring is sleevedly connected to the outside of the support columns, the screw is threadedly connected to one end of the support column, and the surface of the head of the screw is attached to the surface of the movable limiting strip.

[0017] In a possible implementation, the receiving column groove is formed at the center of the top and the bottom of one side of the two U-shaped fasteners, the two limiting discs are fixedly connected to the inner walls of the two receiving column grooves on one of the U-shaped fasteners, the surface of one side of the limiting disc is attached to the inner wall of the receiving column groove on the other U-shaped fastener, the two limiting discs are rotatably connected to the inside, the control arm is arranged on the two sides of the gear, the surface of one side of the control arm is fixedly connected to the rack, the rack is meshingly connected to the gear, and the top of the gear is fixedly connected to the threaded rod.

[0018] In a possible implementation, one end of the threaded rod penetrates out of the inside of one of the limiting discs and is fixedly connected to the control column, the insertion groove is formed in the inside of the control column, and the surface of the threaded rod is threadedly connected to the two nuts, and the surface of one of the nuts is attached to the surface of the limiting disc.

[0019] In a possible implementation, the receiving cavity is formed on the top and the bottom of one side of the U-shaped fastener, the inside of the receiving cavity is in communication with the inside of the third limiting groove, the control arm is slidingly connected to the inside of the receiving cavity, and the moving directions of the two control arms located in the same plane on the two U-shaped fasteners are opposite.

[0020] In a possible implementation, the receiving strip groove is formed at the center of the top of the movable limiting strip, and the end of the control arm away from the rack is formed with an inclined surface which is attached to the inclined inner wall of the receiving strip groove.

[0021] The application has the following beneficial effects:

[0022] First, in the scheme, the spring is compressed by pressing the movable limiting strip, the movable limiting strip is collected in the inside of the second limiting groove, the two steel bars are respectively inserted into the two U-shaped fasteners, the fixed limiting strip is located in the four first limiting grooves, when the movable limiting strip is pushed into the inside of the third limiting groove by the spring, the support is formed at the inner wall of the second limiting groove and the third limiting groove, the two U-shaped fasteners are limited to move away from each other by the two steel bars, the two steel bars are limited to move away from each other by the two U-shaped fasteners, any tool is not needed, the parts are not separated from the main body of the connecting structure, the connection is quick and stable;

[0023] Second, in the scheme, the gear is driven to rotate by adjusting the control screw rod, the two control arms are driven to move in opposite directions by the two racks engaged with the gear, the inclined surface at one end of the control arm is pressed against the bottom inner wall of the storage strip groove, the movable limiting strip is pressed back into the inside of the second limiting groove, the two steel bars are moved away from each other, and the work of disassembling the two steel bars is completed. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the connection structure of the steel bar and the main body of the connecting structure of the application;

[0025] Figure 2 It is an exploded view of the main body of the connecting structure of the application;

[0026] Figure 3 It is a schematic view of the connection structure of the U-shaped fastener and the gear of the application;

[0027] Figure 4 It is a schematic view of the structure of the U-shaped fastener of the application;

[0028] Figure 5 It is a sectional view of the U-shaped fastener of the application;

[0029] Figure 6 It is an enlarged schematic view of part A of the application; Figure 5

[0030] Figure 7 It is a sectional view of the steel bar of the application;

[0031] Figure 8 It is an enlarged schematic view of part B of the application. Figure 7

[0032] ​​BRIEF DESCRIPTION OF DRAWINGS:1, steel strip; 2, connecting structure main body; 201, U-shaped fastener; 202, third limiting groove; 203, storage cavity; 204, control arm; 205, limiting disc; 206, gear; 207, storage column groove; 208, fixed limiting strip; 209, rack; 210, control column; 211, threaded rod; 212, insertion slot; 213, nut; 3, movable limiting strip; 4, first limiting groove; 5, screw; 6, support column; 7, storage strip groove; 8, spring; 9, second limiting groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application solve the problems in the background art, and the general idea is as follows:

[0034] Embodiment 1

[0035] This embodiment introduces the specific structure of a steel structure connecting structure, and specifically refers to Figures 1-8 as shown, including two steel strips 1 and a connecting structure main body 2, the two steel strips 1 are symmetrically arranged, the joint ends of the two steel strips 1 are arranged along a straight line, the connecting structure main body 2 is composed of two separable parts and is symmetrically distributed on both sides of the joint ends of the two steel strips 1.

[0036] The connecting structure main body 2 includes two U-shaped fasteners 201, and the fixed limiting strip 208 is fixedly connected to the center of the inner side of the U-shaped fastener 201, the top and bottom of the end of the steel strip 1 close to the first limiting groove 4 are both machined with the second limiting groove 9, the top and bottom of the two sides of the U-shaped fastener 201 are both machined with the third limiting groove 202, and the inside of one second limiting groove 9 and the corresponding two third limiting grooves 202 are provided with the same movable limiting strip 3.

[0037] Among them, when connecting two steel strips 1, the two ends of the two steel strips 1 are jointed, the bottom and top of the jointed end are machined with two first limiting grooves 4, and the two first limiting grooves 4 at the jointed end of the two steel strips 1 are opposite and communicate with each other.

[0038] Secondly, the movable space is left between one side of the fixed limiting strip 208 and the side wall of the U-shaped fastener 201, the two steel strips 1 are respectively inserted into the two U-shaped fasteners 201 from the two sides of the two U-shaped fasteners 201, one fixed limiting strip 208 is located in the inside of the four first limiting grooves 4 on one side of the two steel strips 1, and the two U-shaped fasteners 201 can be limited from moving away from each other by means of the two jointed steel strips 1.

[0039] At the same time, when the movable limiting strip 3 controlled to be inside the second limiting groove 9 extends into the inside of the third limiting groove 202, the movable limiting strip 3 is supported at the inner walls of the third limiting groove 202 and the second limiting groove 9 at the same time, and the steel strip 1 is limited from being separated from the two U-shaped fasteners 201 to one side.

[0040] Further, in order to prevent the active limiting strip 3 from being separated from the steel bar 1 before the steel bar 1 is connected with the connecting structure main body 2, two supporting columns 6 are fixedly connected at the bottom inner wall of the second limiting groove 9, the spring 8 is sleevedly connected outside the supporting column 6, and a screw 5 is threadedly connected at one end of the supporting column 6, so that the surface of the head of the screw 5 is attached to the surface of the active limiting strip 3, and the active limiting strip 3 is limited to be separated from the outside of the two supporting columns 6.

[0041] Further, in order to prevent the active limiting strip 3 from being separated from the steel bar 1 before the steel bar 1 is connected with the connecting structure main body 2, two supporting columns 6 are fixedly connected at the bottom inner wall of the second limiting groove 9, the spring 8 is sleevedly connected outside the supporting column 6, and a screw 5 is threadedly connected at one end of the supporting column 6, so that the surface of the head of the screw 5 is attached to the surface of the active limiting strip 3, and the active limiting strip 3 is limited to be separated from the outside of the two supporting columns 6.

[0042] By adopting the above technical scheme:

[0043] The above design compresses the spring 8 sleeved outside the supporting column 6 by making the active limiting strip 3 collected in the inside of the second limiting groove 9, inserts the two steel bars 1 into the two U-shaped fasteners 201 from the two sides of the two U-shaped fasteners 201, respectively, and makes the fixed limiting strip 208 located in the inside of the four first limiting grooves 4, so as to limit the two U-shaped fasteners 201 from moving away from each other by means of the two steel bars 1 connected with each other, and when the active limiting strip 3 is pushed into the inside of the third limiting groove 202 by the spring 8, the inside walls of the second limiting groove 9 and the third limiting groove 202 are supported, so as to limit the two steel bars 1 from moving away from each other by means of the two U-shaped fasteners 201, and the two steel bars 1 and the two U-shaped fasteners 201 are buckled with each other, without using any tool, and there is no part separated from the connecting structure main body 2, so the connection is fast and stable.

[0044] Embodiment 2:

[0045] Based on embodiment 1, the specific structure of the connecting structure main body 2 is introduced in this embodiment, the top and bottom center of one side of the two U-shaped fasteners 201 are processed with a receiving column groove 207, the inside walls of the two receiving column grooves 207 on one U-shaped fastener 201 are fixedly connected with two limiting discs 205, the surface of one side of the limiting disc 205 is attached to the inside wall of the receiving column groove 207 on the other U-shaped fastener 201, the inside of the two limiting discs 205 is rotatably connected with a gear 206, the two sides of the gear 206 are provided with a control arm 204, the surface of one side of the control arm 204 is fixedly connected with a rack 209, the rack 209 is meshingly connected with the gear 206, the top of the gear 206 is fixedly connected with a threaded rod 211, the top and bottom of one side of the U-shaped fastener 201 are processed with a receiving cavity 203, the inside of the receiving cavity 203 is communicated with the inside of the third limiting groove 202;

[0046] The one end of the threaded rod 211 is out of the inside of one limit disc 205, and is fixedly connected with the control column 210, the inside of the control column 210 is processed with the slot 212, when the tool is inserted through the inside of the slot 212, the threaded rod 211 is rotated to drive the gear 206 to rotate, the rack 209 meshing with the gear 206 can control the two control arms 204 to slide in the opposite direction in the inside of the storage cavity 203;

[0047] Secondly, in order to prevent the gear 206 from being controlled by the two racks 209 to drive the corresponding control arms 204 to move in the opposite direction under the external force when not operating, the two nuts 213 are threadedly connected on the surface of the threaded rod 211, when the surface of one nut 213 is attached to the surface of the limit disc 205, rotating the other nut 213 to apply pressure to the nut 213 can prevent the gear 206 from rotating between the two limit discs 205;

[0048] Further, when disassembling the two steel bars 1, the gear 206 controls the two control arms 204 to move away from each other with the aid of the rack 209, so that the inclined surface processed at the end of the control arm 204 away from the rack 209 applies pressure to the bottom inner wall of the storage groove 7 processed at the top center of the movable limiting strip 3, so that the movable limiting strip 3 is pressed back to the inside of the second limiting groove 9, only a part of the movable limiting strip 3 is exposed from the inside of the second limiting groove 9, and the gap between the inner wall of the U-shaped buckle 201 and the surface of the steel bar 1 can make the protruding part of the movable limiting strip 3 retract into the inside of the second limiting groove 9, so that the two steel bars 1 move away from each other.

[0049] The specific operation steps are:

[0050] S1, the movable limiting strip 3 is collected in the inside of the second limiting groove 9, the spring 8 is pressed to be compressed, the two steel bars 1 are inserted into the two U-shaped buckles 201 from the two sides of the two U-shaped buckles 201, and the fixed limiting strip 208 is located in the four first limiting grooves 4;

[0051] S2, when the movable limiting strip 3 moves to the position directly below the third limiting groove 202, the movable limiting strip 3 is pushed into the inside of the third limiting groove 202 by the spring 8, and the inner walls of the second limiting groove 9 and the third limiting groove 202 form a support, so that the two steel bars 1 and the two third limiting grooves 202 are limited to each other, and the two steel bars 1 are connected by the connecting structure main body 2;

[0052] S3, when it is necessary to release the connection of the two steel bars 1, the threaded connection of the two nuts 213 and the threaded rod 211 is adjusted in sequence, so that the gear 206 can rotate between the two limit discs 205;

[0053] S4, insert the tool in the slot 212 inside, control the threaded rod 211 driven gear 206 rotation, with the gear 206 meshing two racks 209 driven corresponding two control arms 204 to the opposite direction movement, using the processing in the control arm 204 far from the rack 209 one end of the slope to processing in the movable limiting strip 3 top center receiving strip slot 7 bottom inner wall to apply pressure, the movable limiting strip 3 is pressed back to the inside of the second limiting groove 9.

[0054] By adopting the above technical scheme:

[0055] The above design by adjusting the two nut 213 and threaded rod 211 screw connection, make gear 206 can rotate between two limit disc 205, then insert the tool in the slot 212 inside, control the threaded rod 211 driven gear 206 rotation, with the gear 206 meshing two racks 209 driven corresponding two control arms 204 to the opposite direction movement, using the processing in the control arm 204 far from the rack 209 one end of the slope to processing in the movable limiting strip 3 top center receiving strip slot 7 bottom inner wall to apply pressure, the movable limiting strip 3 is pressed back to the inside of the second limiting groove 9, can be with the gap between the U type buckle 201 inner wall and the steel strip 1 surface, make movable limiting strip 3 the extension part into the second limiting groove 9 inside, make two steel strip 1 away from each other, complete two steel strip 1 removal connection work, simple and convenient.

[0056] Finally, it should be noted that: obviously, the above examples are merely for the sake of clearly illustrating the invention, and not the limitation of the implementation. For those skilled in the art, on the basis of the above description, can also make other different forms of changes or changes. Here do not need to and can not be all the implementation of the exhaustive. The obvious changes or changes derived from still within the scope of the present invention.

Claims

1. A connection structure for steel structural components, characterized in that, include: Steel bar (1), which has two parts; The main body of the connecting structure (2) is used to connect two adjacent steel bars (1). Among them, the two steel bars (1) are symmetrically arranged, and the connecting ends of the two steel bars (1) are arranged along a straight line. The main body (2) of the connecting structure is composed of two separable parts and is symmetrically distributed on both sides of the connecting ends of the two steel bars (1). Two first limiting grooves (4) are machined at the bottom and top of one end of the steel bar (1). The two first limiting grooves (4) at the joint ends of the two steel bars (1) face each other and are connected to each other. The main body (2) of the connecting structure includes two U-shaped fasteners (201). The two U-shaped fasteners (201) are symmetrically distributed on both sides of the two steel bars (1). A fixed limiting strip (208) is fixedly connected to the center of the inner side of the U-shaped fastener (201). There is a space for movement between one side of the fixed limiting strip (208) and the side wall of the U-shaped fastener (201). Two steel bars (1) are inserted from both sides of two U-shaped fasteners (201) into the space between the two U-shaped fasteners (201), and one fixed limiting bar (208) is located inside the four first limiting grooves (4) on one side of the two steel bars (1); The steel bar (1) has a second limiting groove (9) at the top and bottom of the end near the first limiting groove (4), and the U-shaped fastener (201) has a third limiting groove (202) at the top and bottom of both sides. The same movable limiting strip (3) is provided inside one second limiting groove (9) and the two third limiting grooves (202) in the corresponding area. Springs (8) are provided between the bottom inner wall of the second limiting groove (9) and the bottom of both sides of the movable limiting strip (3). Two support columns (6) are fixedly connected to the bottom inner wall of the second limiting groove (9). The springs (8) are sleeved to the outside of the support columns (6). One end of the support column (6) is threaded with a screw (5). The surface of the head of the screw (5) is in contact with the surface of the movable limiting strip (3).

2. The steel structural member connection structure as described in claim 1, characterized in that: Two U-shaped fasteners (201) have storage grooves (207) machined at the top and bottom center of one side. Two limiting discs (205) are fixedly connected to the inner walls of the two storage grooves (207) on one U-shaped fastener (201). The surface of one side of the limiting disc (205) is in contact with the inner wall of the storage groove (207) on the other U-shaped fastener (201). Gears (206) are rotatably connected inside the two limiting discs (205). Control arms (204) are provided on both sides of the gears (206). A rack (209) is fixedly connected to the surface of one side of the control arm (204). The rack (209) is meshed with the gear (206). A threaded rod (211) is fixedly connected to the top of the gear (206).

3. The steel structural member connection structure as described in claim 2, characterized in that: One end of the threaded rod (211) protrudes from the interior of a limiting plate (205) and is fixedly connected to a control post (210). The control post (210) has a slot (212) machined inside. The surface of the threaded rod (211) is threadedly connected to two nuts (213), and the surface of one of the nuts (213) is in contact with the surface of the limiting plate (205).

4. The steel structural member connection structure as described in claim 2, characterized in that: The top and bottom of one side of the U-shaped fastener (201) are both machined with storage cavities (203). The interior of the storage cavity (203) is connected to the interior of the third limiting groove (202). The control arm (204) is slidably connected to the interior of the storage cavity (203). The two control arms (204) located on the same plane on the two U-shaped fasteners (201) move in opposite directions.

5. The steel structural member connection structure as described in claim 2, characterized in that: The center of the top of the active limiting bar (3) is machined with a storage groove (7), and the end of the control arm (204) away from the rack (209) is machined with an inclined surface, which fits against the inclined inner wall of the storage groove (7).

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