Anti-fracture rolling mill transmission shaft connecting structure

Abstract

The utility model discloses an anti-fracture rolling mill transmission shaft connecting structure which comprises a transmission shaft, a connecting piece is arranged on one side of the transmission shaft, and tooth grooves meshed with each other are formed in the opposite faces of the transmission shaft and the connecting piece. According to the anti-fracture rolling mill transmission shaft connecting structure, the transmission shaft and the connecting piece form a spiral locking structure through the multiple sets of bolts, nuts, the fixing block and the connecting piece, the fixing block and the connecting piece form a clamping limiting structure through the limiting block, and therefore the connectivity of the bolts in the using process is improved through the clamping limiting fixing block; meanwhile, a firm guarantee is provided for power transmission between the transmission shaft and the connecting piece through meshing of tooth grooves, threads are arranged on the outer wall, close to the outer end, of a limiting rod of the device, a spiral hole is correspondingly formed in a fixing plate, and a nut and the connecting piece form a clamping limiting structure through the fixing plate, the limiting rod, a clamping block and the connecting piece; therefore, it is guaranteed that the clamping block can be clamped in the connecting piece through the spirally-locked limiting rod, and the stability of the nut is further improved through the clamping block.

Description

TECHNICAL FIELD

[0001] The utility model relates to rolling mill drive shaft technical field, concretely is a kind of anti-fracture rolling mill drive shaft connecting structure. BACKGROUND

[0002] Rolling mill is the equipment that realizes metal rolling process, refers to the equipment that completes the whole process of rolling stock production, it is widely used in the processing of metal materials, such as plain carbon steel, stainless steel, silicon steel, copper, aluminum, etc., at the same time, it also serves the specialized equipment research and development manufacturing of aerospace, weapons, electronics, shipbuilding, nuclear industry etc.Rolling mill in working process, to realize its driving force or rolling force, then use transmission shaft to carry out power transmission.

[0003] And transmission shaft in the connecting process, by flange and multiple bolt assemblies are assembled with connecting piece, and existing transmission shaft in the connecting process, transmission shaft high-speed rotation is prone to bolt assembly fracture, thereby easily affecting the stability of transmission shaft connecting structure.For this reason, a kind of anti-fracture rolling mill drive shaft connecting structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of anti-fracture rolling mill drive shaft connecting structure to solve the problem that existing transmission shaft in the connecting process, transmission shaft high-speed rotation is prone to bolt assembly fracture, thereby easily affecting the stability of transmission shaft connecting structure in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-fracture rolling mill drive shaft connecting structure, including transmission shaft, the transmission shaft is equipped with connecting piece on one side, the transmission shaft, connecting piece is equipped with the tooth slot of engagement on opposite surface, multiple bolts are inserted on the transmission shaft, and the nut is screwed on the outer side of transmission shaft at the one end of bolt, the connecting piece is correspondingly equipped with multiple fixed blocks in the inside, and the fixed block is respectively equipped with limiting block on the outer wall of both sides, the limiting block is respectively clamped in connecting piece, and spiral groove is respectively set on the fixed block, the other end of bolt is screwed in spiral groove;

[0006] The nut is equipped with fixed plate on one side outer wall, and limiting rod is inserted on the fixed plate, and the other end of limiting rod is equipped with clamping block on outer wall, the first movable slot is correspondingly set on the connecting piece, and limiting rod and clamping block are inserted in the first movable slot, clamping groove is set in the bottom of first movable slot, and clamping block is inserted in clamping groove;

[0007] Multiple rotation grooves are respectively set on the connecting piece between the fixed blocks, and rotation rod is respectively inserted in rotation groove, multiple second movable slots are correspondingly set on the transmission shaft, and the other end of rotation rod is inserted in second movable slot, limiting plate is respectively set on the outer wall of the other end of rotation rod;

[0008] Preferably, the transmission shaft is locked by a plurality of bolts, nuts, fixed blocks and connecting pieces, and the fixed blocks are limited by the limiting blocks and the connecting pieces.

[0009] Preferably, the limiting rod is screwed on the outer wall, and the fixed plate is provided with screw holes corresponding to the limiting rod, and the nuts are limited by the fixed plate, the limiting rod, the clamping blocks and the connecting pieces.

[0010] Preferably, the rotating rod is rotatable in the rotating groove and the connecting piece, and the transmission shaft is limited by the rotating rod, the limiting plate and the connecting piece.

[0011] Compared with the prior art, the beneficial effects of the anti-fracture rolling mill transmission shaft connecting structure are as follows: the transmission shaft is locked by a plurality of bolts, nuts, fixed blocks and connecting pieces, and the fixed blocks are limited by the limiting blocks and the connecting pieces, so that the fixed blocks are clamped and limited to increase the connectivity of the bolts during use, and the meshing of the gear groove provides a solid guarantee for power transmission between the transmission shaft and the connecting piece; the limiting rod is screwed on the outer wall, and the fixed plate is provided with screw holes corresponding to the limiting rod, and the nuts are limited by the fixed plate, the limiting rod, the clamping blocks and the connecting pieces, so that the clamping blocks are clamped in the connecting piece to further increase the stability of the nuts; the rotating rod is rotatable in the rotating groove and the connecting piece, and the transmission shaft is limited by the rotating rod, the limiting plate and the connecting piece, so that the limiting plate is rotated by the rotating rod to further limit the connecting piece and the transmission shaft, thereby further increasing the stability of the transmission shaft connecting position. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the anti-fracture rolling mill transmission shaft connecting structure.

[0013] Figure 2 It is a structural schematic view of the anti-fracture rolling mill transmission shaft connecting structure.

[0014] Figure 3 It is a limiting block assembly structure schematic view of the anti-fracture rolling mill transmission shaft connecting structure.

[0015] Figure 4 It is a nut assembly structure schematic view of the anti-fracture rolling mill transmission shaft connecting structure.

[0016] In the figure: 1, transmission shaft, 2, connecting piece, 3, bolt, 4, nut, 5, fixed plate, 6, limiting rod, 7, clamping block, 8, rotating groove, 9, rotating rod, 10, limiting plate, 11, fixed block, 12, limiting block. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of anti-fracture rolling mill transmission shaft connecting structure, including transmission shaft 1, transmission shaft 1 is equipped with connecting piece 2 on one side, transmission shaft 1, connecting piece 2 are equipped with the tooth groove of engagement on opposite surface, transmission shaft 1 is inserted with multiple groups of bolt 3, and the end of bolt 3 is screwed with nut 4 outside transmission shaft 1, connecting piece 2 is equipped with multiple groups of fixed block 11 in correspondence in interior, and fixed block 11 is equipped with limit block 12 on two sides outer wall respectively, limit block 12 is clamped in connecting piece 2 respectively, and spiral groove is respectively set on fixed block 11, the other end of bolt 3 is screwed in spiral groove.

[0019] Further, transmission shaft 1 is formed into screw locking structure by multiple groups of bolt 3, nut 4, fixed block 11 and connecting piece 2, so that transmission shaft 1 and connecting piece 2 are connected by bolt 3 and its related components, the accurate alignment and efficient power transmission between transmission shaft 1 and connecting piece 2 can be ensured by the tooth groove of engagement, and the transmission torque between transmission shaft 1 and connecting piece 2 can be improved, bolt assembly is prevented from breaking, and fixed block 11 is formed into clamping limit structure with connecting piece 2 by limit block 12, so that the clamping effect of fixed block 11 is ensured by limit block 12, and the connectivity of bolt 3 in working process is ensured.

[0020] Nut 4 is equipped with fixed plate 5 on one side outer wall, and limit rod 6 is inserted in fixed plate 5, and the other end of limit rod 6 is equipped with clamping block 7 on outer wall, corresponding first movable slot is set on connecting piece 2, and limit rod 6 and clamping block 7 are inserted in first movable slot, clamping groove is set in the bottom of first movable slot, and clamping block 7 is inserted in clamping groove.

[0021] Further, the outer end of limit rod 6 is equipped with screw thread on outer wall, and corresponding spiral hole is set on fixed plate 5, and nut 4 is formed into clamping limit structure with connecting piece 2 by fixed plate 5, limit rod 6, clamping block 7, so that clamping block 7 can be inserted in connecting piece 2 by limit rod 6, to further connect between transmission shaft 1 and connecting piece 2 by clamping block 7.

[0022] A plurality of groups of rotating grooves 8 are respectively formed in the connecting piece 2 between the fixing blocks 11, and rotating rods 9 are respectively inserted into the rotating grooves 8, and a plurality of groups of second movable grooves are respectively formed in the transmission shaft 1, and the other ends of the rotating rods 9 are inserted into the second movable grooves, and the other ends of the rotating rods 9 are respectively provided with limiting plates 10 on the two side outer walls, and it is additionally explained that the rotating rods 9 are provided with threads on the inner end outer walls, and the rotating grooves 8 are respectively provided with threads on the inner walls close to the bottoms, so as to ensure the stability of the rotating rods 9 after rotation.

[0023] Further, the rotating rods 9 and the connecting piece 2 form a rotating structure in the rotating grooves 8, and the transmission shaft 1 and the connecting piece 2 form a limiting structure through the rotating rods 9 and the limiting plates 10, so that the connecting effect between the transmission shaft 1 and the connecting piece 2 can be further increased through the limiting plates 10.

[0024] Working principle: when the anti-fracture rolling mill transmission shaft connecting structure is used, the transmission shaft 1 and the connecting piece 2 are first accurately aligned and placed through the tooth grooves on the opposite faces, and the stability of the connecting position is ensured through the meshing tooth grooves in the subsequent use process, at the same time, the rotating rods 9 are correspondingly inserted into the second movable grooves on the transmission shaft 1, after the insertion of the rotating rods 9 is completed, the rotating rods 9 can be driven to rotate, so that the limiting plates 10 are rotated to one side of the second movable grooves, so as to limit the transmission shaft 1 and the connecting piece 2 through the limiting plates 10; after the limiting of the transmission shaft 1 and the connecting piece 2 is completed, the bolts 3 can be screwed into the connecting piece 2, and one end of the bolt 3 is screwed into the fixing blocks 11 in the connecting piece 2, and the fixing blocks 11 increase the stability through the limiting blocks 12, so as to increase the connecting effect of the bolt 3 through the fixing blocks 11, then the nuts 4 can be installed on the bolts 3, so as to complete the connection between the transmission shaft 1 and the connecting piece 2; then the limiting rods 6 can be slid into the connecting piece 2, and when the threads on the limiting rods 6 slide to the fixed plates 5, the limiting rods 6 are driven to rotate, so that the clamping blocks 7 on the limiting rods 6 are rotated into the clamping grooves in the connecting piece 2, so that the stability of the nuts 4 in the use process can be further increased through the clamping blocks 7, and the limiting effect of the clamping blocks 7 can be ensured through the threads on the limiting rods 6, which is the use process of the anti-fracture rolling mill transmission shaft connecting structure.

[0025] Although the utility model 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 make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A breakage-proof mill transmission shaft connecting structure, comprising a transmission shaft (1) provided with a connecting piece (2) on one side, characterized in that: The transmission shaft (1) and the connecting piece (2) are provided with meshing tooth grooves on opposite surfaces, a plurality of groups of bolts (3) are inserted through the transmission shaft (1), and the one end of the bolt (3) is screwed with a nut (4) outside the transmission shaft (1), a plurality of groups of fixing blocks (11) are correspondingly provided inside the connecting piece (2), the fixing blocks (11) are respectively provided with limiting blocks (12) on the two side outer walls, the limiting blocks (12) are respectively clamped in the connecting piece (2), and the fixing blocks (11) are respectively provided with spiral grooves; The nut (4) is provided with a fixed plate (5) on one side outer wall, the fixed plate (5) is inserted with a limiting rod (6), and the other end of the limiting rod (6) is provided with a clamping block (7) on the outer wall, the connecting piece (2) is correspondingly provided with a first movable slot, and the limiting rod (6) and the clamping block (7) are inserted into the first movable slot, the first movable slot is provided with a clamping groove at the bottom, and the clamping block (7) is inserted into the clamping groove; A plurality of groups of rotating grooves (8) are respectively provided on the connecting piece (2) between the fixing blocks (11), and rotating rods (9) are respectively inserted into the rotating grooves (8), a plurality of groups of second movable slots are correspondingly provided on the transmission shaft (1), and the other end of the rotating rod (9) is inserted into the second movable slot, and the other end of the rotating rod (9) is respectively provided with a limiting plate (10) on the two side outer walls.

2. A breakage-proof rolling mill drive shaft connection structure according to claim 1, characterized in that: The transmission shaft (1) is screwed and locked with the connecting piece (2) through a plurality of groups of bolts (3), nuts (4) and fixing blocks (11), and the fixing blocks (11) are clamped and limited with the connecting piece (2) through the limiting blocks (12).

3. The break-resistant rolling mill drive shaft connection structure according to claim 1, characterized in that: The limiting rod (6) is provided with a thread on the outer end of the outer wall, and the fixed plate (5) is correspondingly provided with a spiral hole, and the nut (4) is clamped and limited with the connecting piece (2) through the fixed plate (5), the limiting rod (6), the clamping block (7) and the connecting piece (2).

4. The break-resistant mill shaft connection structure according to claim 1, characterized in that: The rotating rod (9) is rotatably connected with the connecting piece (2) in the rotating groove (8), and the transmission shaft (1) is limited with the connecting piece (2) through the rotating rod (9) and the limiting plate (10).

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