Anti-loosening fastening bolt for steel beam assembly type joint

Abstract

The utility model relates to an anti-loosening fastening bolt for a steel beam assembly type node, which comprises a first steel beam, a second steel beam is attached to one side of the first steel beam, the first steel beam and the second steel beam are connected through a plurality of limiting bolts, and a group of auxiliary components are symmetrically arranged in the limiting bolts; a limiting bolt is arranged between the first steel beam and the second steel beam, the limiting bolt comprises a bolt body, an auxiliary cylinder frame is arranged outside the bolt body, and a rotating frame is fixedly connected to the surface of the auxiliary cylinder frame. Then the rotating frame is rotated to drive the auxiliary barrel frame to move on the surface of the auxiliary screw until the large-diameter end of the auxiliary barrel frame is attached to the surface of the second steel beam, and at the moment, the thread part of the bolt body is effectively limited in the first steel beam and the second steel beam; the bolt body is prevented from loosening from the first steel beam and the second steel beam after being subjected to external vibration impact force.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel beam assembly technical field especially steel beam assembly type node is with the anti loose fastening bolt. BACKGROUND

[0002] Steel beam assembly refers to the process that the steel beam parts produced in advance in the factory are transported to the construction site, and are assembled into complete steel structure through welding, bolt connection or other connection methods, wherein the steel beam parts assembled through the bolt connection method need to use the corresponding fastening bolt.

[0003] The existing steel beam assembly type node fastening bolt structure is relatively single, and is prone to loosening with the steel beam under the impact of external vibration, thereby reducing the connection fastening, in view of this, we propose the steel beam assembly type node anti-loose fastening bolt. UTILITY MODEL CONTENT

[0004] The utility model discloses a steel beam assembly type node anti-loose fastening bolt, which overcomes the deficiencies of the prior art, meets the actual needs, and solves the technical problem that the existing steel beam assembly type node fastening bolt structure is relatively single, and is prone to loosening with the steel beam under the impact of external vibration, thereby reducing the connection fastening.

[0005] In order to realize the utility model's purpose, the utility model adopts the technical scheme that designs the steel beam assembly type node anti-loose fastening bolt, which comprises a first steel beam, the first steel beam is attached with a second steel beam on one side, the first steel beam and the second steel beam are connected through a plurality of limiting bolts, and a group of auxiliary components are symmetrically arranged inside the limiting bolt.

[0006] The limiting bolt comprises a bolt body, an auxiliary cylinder frame is arranged outside the bolt body, a rotating frame is fixedly connected to the surface of the auxiliary cylinder frame, an auxiliary screw rod is screwed in the inside of the auxiliary cylinder frame, a clamping block is fixedly connected to the end of the auxiliary screw rod, and a groove frame is fixedly connected to the end of the bolt body.

[0007] Preferably, the smooth inner diameter of the auxiliary cylinder frame is slightly larger than the outer diameter of the threaded part of the bolt body, and the threads of the bolt body and the threads of the auxiliary screw rod are opposite in direction.

[0008] Preferably, the auxiliary screw rod and the clamping block are integrally formed, and the auxiliary screw rod and the groove frame constitute a clamping structure through the clamping block.

[0009] Preferably, the auxiliary component comprises a limiting groove, the limiting groove is arranged in the inside of the clamping block, a spring is arranged in the inside of the limiting groove, one end of the spring close to the opening of the limiting groove is connected with a movable block, a pressing block is attached to the end of the movable block away from the spring, and a clamping groove is attached to the outside of the pressing block.

[0010] Preferably, the movable block forms an elastic structure with the limiting groove through a spring, the spring is in a normal state, the exposed part of the movable block is clamped in the internal part of the clamping groove, and the clamping groove and the groove frame are integrally formed.

[0011] Preferably, when the press block as a whole enters the internal part of the clamping groove, the side of the press block is flush with the side of the slot of the clamping groove.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a first steel beam and a second steel beam are preliminarily fixed through the screwing bolt body, then the auxiliary cylinder frame is driven to move on the surface of the auxiliary screw rod until the auxiliary cylinder frame large diameter one end is pasted on the surface of the second steel beam, at this time, the threaded portion of the bolt body is effectively limited in the first steel beam and the second steel beam, because the thread of the bolt body and the thread direction of the auxiliary screw rod are opposite, so they are restricted each other, avoiding that the bolt body is loose with the first steel beam and the second steel beam after being impacted by external vibration.

[0014] 2. In the utility model, the clamping block and the groove frame are fixed through a group of auxiliary components, a group of press blocks are pressed inwards, can effectively push the movable block to move outward and make the movable block compress the spring, and the movable block can be wholly hidden in the limiting groove, at this time, the clamping block and the groove frame are without limiting objects, the clamping block can be directly separated from the groove frame, the limiting bolt is convenient to disassemble and replace partial parts. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the limiting bolt three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is the limiting bolt disassembly structure schematic diagram of the utility model;

[0018] Figure 4 It is the limiting bolt partial section structure schematic diagram of the utility model;

[0019] Figure 5 It is the limiting bolt partial internal structure schematic diagram of the utility model;

[0020] Figure 6 It is the Figure 5 It is the local amplification structure schematic diagram of the utility model in A place;

[0021] In the drawing: 1, first steel beam;2, second steel beam;3, limiting bolt;4, auxiliary component;

[0022] 301, bolt body; 302, auxiliary cylinder frame; 303, rotating frame; 304, auxiliary screw; 305, clamping block; 306, groove frame;

[0023] 401, limiting groove; 402, spring; 403, movable block; 404, pressing block; 405, clamping groove. DETAILED DESCRIPTION

[0024] The utility model is further explained in connection with the drawings and embodiments as follows:

[0025] The anti-loose fastening bolt for steel beam assembly type node, referring to Figures 1 to 6 , comprising first steel beam 1, first steel beam 1 one side is attached with second steel beam 2, and first steel beam 1 is connected with second steel beam 2 through a plurality of limiting bolts 3, and a group of auxiliary assemblies 4 are symmetrically arranged inside the limiting bolt 3;

[0026] The limiting bolt 3 includes bolt body 301, the bolt body 301 is externally provided with auxiliary cylinder frame 302, the auxiliary cylinder frame 302 is fixedly connected with rotating frame 303 on the surface, and auxiliary screw 304 is screwed in the inside of auxiliary cylinder frame 302, wherein the smooth surface inner diameter of auxiliary cylinder frame 302 is slightly larger than the outer diameter of the threaded portion of bolt body 301, the thread direction of bolt body 301 is opposite to that of auxiliary screw 304, clamping block 305 is fixedly connected to the end of auxiliary screw 304, groove frame 306 is fixedly connected to the end of bolt body 301, further, auxiliary screw 304 and clamping block 305 are integrally formed, and auxiliary screw 304 and groove frame 306 form clamping structure through clamping block 305.The utility model is fixed between first steel beam 1 and second steel beam 2 by screwing bolt body 301, then rotating rotating frame 303 drives auxiliary cylinder frame 302 to move on the surface of auxiliary screw 304 until the large diameter end of auxiliary cylinder frame 302 is attached to the surface of second steel beam 2, at this time, the threaded portion of bolt body 301 is effectively limited inside first steel beam 1 and second steel beam 2, since the thread direction of bolt body 301 is opposite to that of auxiliary screw 304, therefore, they are mutually restricted, avoiding that bolt body 301 is loosened with first steel beam 1 and second steel beam 2 after being impacted by external shock force.

[0027] Notable is that the auxiliary assembly 4 includes a limiting groove 401, the limiting groove 401 is opened in the inside of the clamping block 305, a spring 402 is arranged in the inside of the limiting groove 401, the spring 402 is connected with a movable block 403 at one end close to the opening of the limiting groove 401, a pressing block 404 is attached to the end of the movable block 403 away from the spring 402, and a clamping groove 405 is attached to the outside of the pressing block 404, wherein the movable block 403 and the limiting groove 401 form an elastic structure through the spring 402, when the spring 402 is in a normal state, the exposed part of the movable block 403 is clamped in the inside of the clamping groove 405, the clamping groove 405 and the groove frame 306 are integrally formed, further, when the pressing block 404 enters the inside of the clamping groove 405 as a whole, the side of the pressing block 404 is flush with the side of the slot of the clamping groove 405. In the utility model, the clamping block 305 and the groove frame 306 are fixed through a set of auxiliary assemblies 4, the pressing block 404 is pressed inward, the movable block 403 can be effectively pushed outward to compress the spring 402, and the movable block 403 can be wholly hidden in the inside of the limiting groove 401, at this time, there is no limiting object between the clamping block 305 and the groove frame 306, the clamping block 305 can be directly separated from the groove frame 306, the limiting bolt 3 can be conveniently disassembled, and partial parts can be conveniently replaced.

[0028] Working principle: the first steel beam 1 and the second steel beam 2 are preliminarily fixed by screwing the bolt body 301, then the auxiliary cylinder frame 302 is driven to move on the surface of the auxiliary screw rod 304 until the large-diameter end of the auxiliary cylinder frame 302 is attached to the surface of the second steel beam 2, at this time, the threaded part of the bolt body 301 is limited in the first steel beam 1 and the second steel beam 2, since the threads of the bolt body 301 and the threads of the auxiliary screw rod 304 are opposite in direction, the bolt body 301 and the auxiliary screw rod 304 restrict each other, so that the bolt body 301 is prevented from being loosened with the first steel beam 1 and the second steel beam 2 due to external shock impact force, when the limiting bolt 3 needs to be partially replaced, the auxiliary cylinder frame 302 is first unscrewed from the surface of the auxiliary screw rod 304, then the pressing block 404 is pressed inward, the movable block 403 can be pushed outward to compress the spring 402, and the movable block 403 can be wholly hidden in the inside of the limiting groove 401, at this time, there is no limiting object between the clamping block 305 and the groove frame 306, the clamping block 305 can be directly separated from the groove frame 306, at this time, the whole disassembly of the limiting bolt 3 is completed, and partial parts can be conveniently replaced.

[0029] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A loose-tightening resisting fastening bolt for a steel beam fabricated joint, comprising a first steel beam (1), characterized in that, The first steel beam (1) one side is attached with the second steel beam (2), the first steel beam (1) and the second steel beam (2) are connected by a plurality of limiting bolts (3), a set of auxiliary components (4) are symmetrically arranged inside the limiting bolt (3); The limiting bolt (3) includes a bolt body (301), the bolt body (301) is provided with an auxiliary cylinder frame (302) outside, the auxiliary cylinder frame (302) is fixedly connected with a rotary frame (303) on the surface, the auxiliary cylinder frame (302) is screwed with an auxiliary screw rod (304) inside, the auxiliary screw rod (304) is fixedly connected with a clamping block (305) at the end, and the bolt body (301) is fixedly connected with a groove frame (306) at the end.

2. The anti-loosening fastening bolt for steel beam fabricated joints according to claim 1, characterized by, The smooth surface inner diameter of the auxiliary cylinder frame (302) is slightly larger than the outer diameter of the threaded part of the bolt body (301), and the threads of the bolt body (301) are opposite to the threads of the auxiliary screw rod (304).

3. The anti-loose fastening bolt for steel beam fabricated joints according to claim 1, characterized in that, The auxiliary screw rod (304) and the clamping block (305) are integrally formed, and the auxiliary screw rod (304) and the groove frame (306) constitute a clamping structure through the clamping block (305).

4. The anti-loose fastening bolt for steel beam fabricated joints according to claim 1, characterized in that, The auxiliary component (4) includes a limiting groove (401), the limiting groove (401) is arranged inside the clamping block (305), the limiting groove (401) is provided with a spring (402) inside, one end of the spring (402) close to the opening of the limiting groove (401) is connected with a movable block (403), and the end of the movable block (403) away from the spring (402) is attached with a pressing block (404), and the pressing block (404) is attached with a clamping groove (405) outside.

5. The anti-loosening fastening bolt for steel beam fabricated joints according to claim 4, characterized by, The movable block (403) and the limiting groove (401) constitute an elastic structure through the spring (402), when the spring (402) is in a normal state, the exposed part of the movable block (403) is clamped in the clamping groove (405), and the clamping groove (405) and the groove frame (306) are integrally formed.

6. The anti-loosening fastening bolt for steel beam fabricated joints according to claim 4, characterized by When the pressing block (404) enters the clamping groove (405) as a whole, the side of the pressing block (404) is flush with the side of the clamping groove (405).

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