High-strength bolt connecting device

Abstract

The utility model belongs to the technical field of bolt connection, and particularly relates to a high-strength bolt connecting device which comprises a connecting rod, a rotating ring is rotatably connected to the connecting rod, and an outer gear ring is fixedly connected to one side of the rotating ring. The T-shaped rod is pulled, then the rotating ring is rotated, the rotating ring drives the second gear to rotate through the outer gear ring, the second gear drives the corresponding first gear to rotate through the rotating rod, and the first gear drives the corresponding locking pin to move through the third gear meshed with the first gear, so that the locking pin and the corresponding locking groove are clamped and locked. According to the device, the bolt is conveniently and reliably locked and fixed through multiple mechanisms such as clamping of the T-shaped rod and the fixing groove, reset force of the spring, transmission of the first gear, the second gear and the third gear and clamping and locking of the locking pin and the locking groove, so that professional tools are not needed, and the device is convenient to use and high in practicability. Operation is easy and convenient, and consistency of locking force on the two sides can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt connection technical field, concretely is high strength bolt connection device. BACKGROUND

[0002] The net rack structure is a kind of space structure by the node connection of a plurality of bars according to certain grid form, because it has the uniform space stress, light weight, rigidity, good seismic performance and other remarkable advantages, has been widely used in construction engineering.This structure form is not only beautiful and generous, and can meet the special needs of large public buildings such as gymnasium, theatre, exhibition hall, waiting room, stadium canopy, hangar and two-way large column net rack structure workshop and so on for roof structure, in the assembly process of net rack structure, the fixation of connecting rod and bolt is a crucial link.At present, hexagonal sleeve is generally used as locking element between connecting rod and bolt in prior art.This sleeve is nested on screw rod, and is locked and fixed by screw, so as to realize the stable connection between connecting rod and bolt;

[0003] However, although hexagonal sleeve plays an important role in the connection of net rack structure, its locking mode still has some deficiencies.Specifically, the mode of screw locking and fixing needs professional tool to operate, which not only increases construction difficulty, but also reduces construction efficiency.More importantly, in the locking process, two sides of screw need to be turned respectively, which makes it difficult to guarantee the consistency of locking force on both sides.Inconsistent locking force can cause loosening or uneven stress at the connection, and then affect the stability and safety of the whole net rack structure, so we propose high strength bolt connection device to solve the above problems. CONTENT OF UTILITY MODEL

[0004] In view of the deficiencies of prior art, the utility model provides high strength bolt connection device, solves the problems proposed in the above background art.

[0005] (II) TECHNICAL SCHEME

[0006] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme:

[0007] The utility model provides a high -strength bolt connecting device, including connecting rod, the rotating ring is rotatably connected on the connecting rod, one side fixedly connected with the external gear ring of rotating ring, both sides of connecting rod are welded with the support block, one side of support block is welded with the connecting block, the rotating rod is rotatably connected on the support block, the first gear is fixedly connected with the end of rotating rod, the second gear is fixedly connected with the other end of rotating rod, the second gear is engaged with external gear ring, the screw rod is rotatably connected on the connecting block, the third gear is fixedly connected with the end of screw rod, the third gear is engaged with corresponding first gear, the locking pin is screwly connected on the screw rod, the end of connecting rod is equipped with hexagonal groove, the hexagonal groove is embedded with hexagonal connecting seat, one side of hexagonal connecting seat is fixedly connected with bolt, both sides of hexagonal connecting seat are equipped with locking groove, locking groove is matched with corresponding locking pin.

[0008] Further, one side of the rotating ring is welded with a square block, a T-shaped rod is arranged on the square block, and a spring is fixedly connected between the inner wall of one side of the T-shaped rod and one side of the square block.

[0009] Further, the spring is movably sleeved on the T-shaped rod, a plurality of fixing grooves are annularly arranged on the connecting rod, and the T-shaped rod is matched with one of the fixing grooves.

[0010] Further, square holes are formed in the inner walls of both sides of the hexagonal groove, and the inner walls of the square holes are slidably connected with the corresponding locking pins.

[0011] Further, a threaded groove is formed in the locking pin, and the locking pin is threadedly connected with the corresponding screw rod through the threaded groove.

[0012] Further, a guide hole is formed in the square block, and the square block is slidably connected with the T-shaped rod through the guide hole.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a high -strength bolt connecting device, has the following beneficial effects:

[0015] The utility model discloses, through pulling T -shaped pole, immediately rotating rotating ring, rotating ring is driven the rotation of second gear through outer gear ring, and second gear is driven the rotation of corresponding first gear through rotating rod, and first gear is driven corresponding locking pin movement through the third gear of meshing, make locking pin and corresponding locking groove are clamped and locked dead, thereby the bolt on hexagonal connecting seat is fixed, and the device utilizes the clamping of T -shaped pole and fixed groove, the reset force of spring, the transmission of first gear, second gear, third gear and the clamping of locking pin and locking groove dead etc. Variety mechanism, convenient, reliable locking fixed of bolt is realized, thereby need not using professional tool, and the operation is simple and convenient, and can guarantee the consistency of both sides locking force. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the utility model connecting rod and bolt separation;

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the utility model bolt removal;

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the utility model partial;

[0020] Figure 5 It is the three-dimensional structure schematic diagram of the utility model hexagonal connecting seat and bolt connection.

[0021] In the drawing: 1, connecting rod;2, rotating ring;3, outer gear ring;4, support block;5, connecting block;6, rotating rod;7, first gear;8, second gear;9, screw;10, third gear;11, locking pin;12, hexagonal groove;13, hexagonal connecting seat;14, bolt;15, locking groove;16, square;17, T-shaped pole;18, spring;19, fixed groove. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] For example, Figures 1-5As shown, the utility model discloses a high -strength bolt connecting device, including connecting rod 1, the connecting rod 1 is rotatably connected with rotating ring 2, the one side fixedly connected with the external gear ring 3 of rotating ring 2, the both sides of connecting rod 1 are welded with support block 4, the one side of support block 4 is welded with connecting block 5, rotating rod 6 is rotatably connected on support block 4, the end fixedly connected with first gear 7 of rotating rod 6, the other end fixedly connected with second gear 8 of rotating rod 6, second gear 8 and external gear ring 3 are engaged, the rotating connection has screw rod 9 on connecting block 5, the end fixedly connected with third gear 10 of screw rod 9, third gear 10 and corresponding first gear 7 are engaged, the threaded connection has locking pin 11 on screw rod 9, the end of connecting rod 1 is set up with hexagonal groove 12, the hexagonal groove 12 is embedded with hexagonal connector seat 13, the one side fixedly connected with bolt 14 of hexagonal connector seat 13, the both sides of hexagonal connector seat 13 are set up with locking groove 15, locking groove 15 and corresponding locking pin 11 are clamped, pull T-shaped rod 17, then rotating rotating ring 2, rotating ring 2 drives second gear 8 to rotate through external gear ring 3, second gear 8 drives corresponding first gear 7 to rotate through rotating rod 6, first gear 7 drives corresponding locking pin 11 to move through the transmission of third gear 10 of engagement, so that locking pin 11 and corresponding locking groove 15 are clamped and locked, so that the bolt 14 on the hexagonal connector seat 13 is fixed, the device utilizes the clamping of T-shaped rod 17 and fixed slot 19, the reset force of spring 18, the transmission of first gear 7, second gear 8 and third gear 10 and the clamping and locking of locking pin 11 and locking groove 15, and multiple mechanisms, to realize the convenient and reliable locking and fixing of bolt 14, so that professional tools are not needed, and the operation is simple and convenient, and the consistency of the locking force on both sides can be ensured.

[0024] In some embodiments, the one side of rotating ring 2 is welded with square block 16, T-shaped rod 17 is arranged on square block 16, spring 18 is fixedly connected between the inner wall of one side of T-shaped rod 17 and the one side of square block 16, and the reset function is realized by the arrangement of spring 18.

[0025] In some embodiments, spring 18 is movably sleeved on T-shaped rod 17, a plurality of fixed slots 19 are annularly arranged on connecting rod 1, and T-shaped rod 17 is clamped with one of the plurality of fixed slots 19.

[0026] In some embodiments, square holes are arranged on the inner walls of the both sides of hexagonal groove 12, the inner walls of the square holes are slidably connected with corresponding locking pins 11, and the fixing function is realized by the arrangement of locking pins 11.

[0027] In some embodiments, threaded grooves are arranged on locking pins 11, and locking pins 11 are threadedly connected with corresponding screw rods 9 through the threaded grooves.

[0028] In some embodiments, a guide hole is formed on the block 16, and the block 16 is slidably connected with the T-shaped rod 17 through the guide hole.

[0029] When in use, the hexagonal connecting seat 13 is separated from the connecting rod 1, and the hexagonal connecting seat 13 is embedded in the hexagonal groove 12. The T-shaped rod 17 is pulled, and the T-shaped rod 17 is separated from one of the plurality of fixing grooves 19 in the process of moving. Then, the rotating ring 2 is rotated, the rotating ring 2 drives the second gear 8 to rotate through the outer ring gear 3, the second gear 8 drives the corresponding first gear 7 to rotate through the rotating rod 6, the first gear 7 drives the corresponding locking pin 11 to move through the third gear 10, and the locking pin 11 is locked with the corresponding locking groove 15. Thus, the bolt 14 on the hexagonal connecting seat 13 is fixed. At this time, the tension of the T-shaped rod 17 is released, the spring 18 in the stretched state is reset, and the spring 18 drives the T-shaped rod 17 to be clamped with another fixing groove 19. The device uses the clamping of the T-shaped rod 17 and the fixing groove 19, the reset force of the spring 18, the transmission of the first gear 7, the second gear 8 and the third gear 10, and the clamping and locking of the locking pin 11 and the locking groove 15, and the like, to achieve convenient and reliable locking and fixing of the bolt 14. Thus, professional tools are not needed, the operation is simple and convenient, and the consistency of the locking force on both sides can be ensured.

[0030] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. High-strength bolted connection arrangement comprising a connecting rod (1), characterised in that: The connecting rod (1) is rotatably connected with a rotating ring (2), one side of the rotating ring (2) is fixedly connected with an outer gear ring (3), both sides of the connecting rod (1) are welded with support blocks (4), one side of the support block (4) is welded with a connecting block (5), the support block (4) is rotatably connected with a rotating rod (6), the end of the rotating rod (6) is fixedly connected with a first gear (7), the other end of the rotating rod (6) is fixedly connected with a second gear (8), the second gear (8) is engaged with the outer gear ring (3), the connecting block (5) is rotatably connected with a lead screw (9), the end of the lead screw (9) is fixedly connected with a third gear (10), the third gear (10) is engaged with the corresponding first gear (7), the lead screw (9) is threadedly connected with a locking pin (11), the end of the connecting rod (1) is provided with a hexagonal groove (12), the hexagonal groove (12) is embedded with a hexagonal connecting seat (13), one side of the hexagonal connecting seat (13) is fixedly connected with a bolt (14), both sides of the hexagonal connecting seat (13) are provided with locking grooves (15), the locking grooves (15) are clamped with the corresponding locking pins (11).

2. A high-strength bolted connection according to claim 1, characterized in that: One side of the rotating ring (2) is welded with a square block (16), the square block (16) is provided with a T-shaped rod (17), one side of the T-shaped rod (17) is fixedly connected with a spring (18) between the inner wall of one side of the T-shaped rod (17) and the square block (16).

3. A high-strength bolted connection according to claim 2, characterized in that: The spring (18) is movably sleeved on the T-shaped rod (17), a plurality of fixing grooves (19) are annularly arranged on the connecting rod (1), the T-shaped rod (17) is clamped with one of the plurality of fixing grooves (19).

4. A high-strength bolted connection according to claim 3, characterized in that: The hexagonal groove (12) is provided with a square hole on the inner wall of both sides, the inner wall of the square hole is slidably connected with the corresponding locking pin (11).

5. A high-strength bolted joint assembly according to claim 4, characterised in that: The locking pin (11) is provided with a threaded groove, and the locking pin (11) is threadedly connected with the corresponding lead screw (9) through the threaded groove.

6. A high-strength bolted connection according to claim 5, characterized in that: The square block (16) is provided with a guide hole, and the square block (16) is slidably connected with the T-shaped rod (17) through the guide hole.

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