CN215325114U

CN215325114U - Tensioning and positioning device for steel pipe transverse moving conveying chain

Info

Publication number: CN215325114U
Application number: CN202121491023.9U
Authority: CN
Inventors: 石财旺; 韩涛; 李利斌; 孙荣瑞; 樊璐
Original assignee: Inner Mongolia Baotou Steel Special Steel Pipe Co ltd
Current assignee: Inner Mongolia Baotou Steel Special Steel Pipe Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-28
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a tensioning and positioning device for a steel pipe transverse moving conveying chain, which comprises a conveying chain body, a driven shaft, a sliding frame, a traction plate, a traction sleeve, a cushion block, a screw and a nut, wherein the driven shaft is arranged on the conveying chain body; one end of the conveying chain body is provided with a driven shaft, and the other end of the conveying chain body is a driving shaft; two sides of the driven shaft are respectively and movably connected with a traction sleeve; sliding frames are fixed on the two sides of the driven shaft corresponding to the end parts of the conveying chain bodies; the middle part of the sliding frame is provided with a sliding chute, and the traction sleeve is movably arranged in the sliding chute; the traction sleeve is fixed with one end of the screw rod; the other end of the screw rod penetrates out of the side face of the sliding frame, and a through hole is formed in the position corresponding to the penetrating-out position of the sliding frame; the nut is fixed on the screw and is arranged on the outer side of the sliding frame; and a cushion block is inserted into a gap between the traction sleeve and the sliding frame.

Description

Tensioning and positioning device for steel pipe transverse moving conveying chain

Technical Field

The utility model relates to the technical field of special steel pipe production, in particular to a tensioning and positioning device for a steel pipe transverse moving conveying chain.

Background

The production efficiency of a seamless steel pipe continuous rolling production line is high, a steel pipe is basically produced in about 30 seconds, the produced steel pipes are multiple times, a row saw is required to be placed in a row to be used for saw cutting to obtain the required length, generally 6-12 steel pipes are arranged in a row (the number of the steel pipes is changed according to different specifications), when the row of the saw-cut steel pipes are required to reach the next production process, a steel pipe transverse moving conveying chain device is required to be used for conveying, and the steel pipes in the row are required to be arranged densely on a transverse moving chain.

The steel pipe transverse moving conveying chain device mainly comprises a motor, a speed reducer, a main transmission shaft, a driven shaft, chains, chain supports and the like, when the transverse moving chain moves, the pipe rows move from the driven shaft to the main transmission shaft, the main reason is that when the main transmission shaft rotates forwards, the transverse moving chain is in a tensioning state above the chain supports, the transverse moving chain is in a loosening state below the chain supports, and the pipe rows stably run on the transverse moving chain. If an accident or a process requirement occurs, the transverse chain needs to rotate reversely, when the tube bank moves from the main transmission shaft side to the driven shaft side, the main transmission shaft needs to rotate reversely, at the moment, the movable chain is in a loose state above the chain support, and in a tensioning state below the chain support, the chain is easy to extrude on the chain support to generate a bulging phenomenon, even the chain is easy to generate a tooth jumping phenomenon on a transmission shaft chain wheel, the tube bank moves in a shifting process, and the chain is easy to break, and the chain wheel chain tooth is easy to break to generate equipment damage.

Because the conveying chain of the continuous rolling production line of the seamless steel tube is stressed greatly, the traditional device for tensioning the conveying chain by using the air cylinder is not suitable for the industrial field, the equipment is easy to damage, the gas in the air cylinder is easy to be influenced by the high-temperature operation environment of the continuous rolling production, the gas expands with heat and contracts with cold, the shaft body is easy to deviate, and the production line is influenced; therefore, a device which can adjust the tension degree of the conveying chain and ensure that the rotating shaft does not move is needed.

The utility model has the following contents:

according to the defects of the prior art, the utility model provides the tensioning and positioning device for the steel pipe transverse moving conveying chain, which ensures the stable structure and can adjust the tension degree by utilizing the matching of the cushion blocks with different thicknesses, the shaft sleeve with the shaft lever and the sliding frame, and solves the problems brought by the background by drawing the shaft body through the press with larger stress.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a tensioning and positioning device for a steel pipe transverse moving conveying chain comprises a conveying chain body, a driven shaft, a sliding frame, a traction plate, a traction sleeve, a cushion block, a screw and a nut; one end of the conveying chain body is provided with a driven shaft, and the other end of the conveying chain body is provided with a driving shaft; two sides of the driven shaft are respectively and movably connected with a traction sleeve; sliding frames are fixed on the two sides of the driven shaft corresponding to the end parts of the conveying chain bodies; the middle part of the sliding frame is provided with a sliding chute, and the traction sleeve is movably arranged in the sliding chute; the traction sleeve is fixed with one end of the screw rod; the other end of the screw rod penetrates out of the side face of the sliding frame, and a through hole is formed in the position corresponding to the penetrating-out position of the sliding frame; the nut is fixed on the screw and is arranged on the outer side of the sliding frame; and a cushion block is inserted into a gap between the traction sleeve and the sliding frame.

Preferably, two screws are arranged on the side surface of the traction sleeve, the cushion block is of a herringbone structure, grooves are formed in the positions, corresponding to the two screws, of the inner side of the cushion block, and the width of each groove is larger than the diameter of each screw.

Preferably, a horizontal traction plate is fixed on the outer side of the traction sleeve, and the traction plate is used for traction through a press to drive the shaft body to move in the sliding frame.

Preferably, more than one cushion block is arranged, the width of each cushion block is different, the cushion blocks are selected according to the gap width of the sliding frame and the traction sleeve, and the cushion blocks can be combined and spliced.

Preferably, the traction sleeve is of a square structure and is in clearance fit with the sliding frame.

The tensioning and positioning device for the steel pipe transverse moving conveying chain has the following beneficial effects:

1. the matching of the screw, the bolt and the traction sleeve can limit the driven shaft to move outwards when the equipment runs.

2. The clearance that is located screw rod body position is fixed through the grafting cushion, prevents from the driven axle to move in, and the cushion compares the cylinder of other field applications as a whole with smooth frame, and is more firm.

3. The driven shaft is limited in the inward and outward directions through the tensioning and positioning device, the conveying chain is tensioned while the structure stability is ensured, and the problem that the chain is extruded on the chain support to bulge is solved.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic diagram of a split partial structure of the spacer of the present invention.

FIG. 3 is a schematic diagram of the connection relationship between two sides of the present invention.

Fig. 4 is a schematic structural view of a screw fitting relationship in embodiment 2 of the present invention.

In the figure, a conveying chain body 1, a driven shaft 2, a sliding frame 3, a traction plate 4, a traction sleeve 5, a cushion block 6, a screw 7 and a nut 8.

The specific implementation mode is as follows:

as shown in fig. 1-3, a tensioning and positioning device for a steel pipe transverse moving conveying chain comprises a conveying chain body 1, a driven shaft 2, a sliding frame 3, a traction plate 4, a traction sleeve 5, a cushion block 6, a screw 7 and a nut 8; one end of the conveying chain body 1 is provided with a driven shaft 2, the other end of the conveying chain body is a driving shaft, and one side of the driving shaft drives the driving shaft to rotate through a motor; two sides of the driven shaft 2 are respectively and movably connected with a traction sleeve 5, and two sides of the driven shaft 2 are fixed with sliding frames 3 corresponding to the end parts of the conveying chain bodies 1; a sliding groove is formed in the middle of the sliding frame 3, a traction sleeve 5 moves in the sliding groove, a horizontal traction plate 4 is fixed on the outer side of the traction sleeve 5, the traction plate 4 is drawn by a press to drive a shaft body to move in the sliding frame 3, and the traction sleeve 5 is of a square structure and is in clearance fit with the sliding frame 3; two screws 7 are arranged on the side face of the traction sleeve 5, the cushion block 6 is in a herringbone structure, grooves are formed in the positions, corresponding to the two screws 7, of the inner side of the cushion block 6, the width of each groove is larger than the diameter of each screw 7, and the screws 7 are prevented from blocking the cushion block 6; the traction sleeve 5 is fixed with one end of the screw 7; the other end of the screw 7 penetrates out of the side surface of the sliding frame 3, and a through hole is formed in the position corresponding to the penetrating-out position of the sliding frame 3; the nut 8 is fixed on the screw 7 and is arranged outside the sliding frame 3; a cushion block 6 is inserted into a gap between the traction sleeve 5 and the sliding frame 3, more than one cushion block 6 is arranged, the width of each cushion block 6 is different, the cushion blocks 6 are selected according to the width of the gap between the sliding frame 3 and the traction sleeve 5, the cushion blocks 6 can be combined and inserted, and when the gap is large, a plurality of cushion blocks 6 are inserted into the gap to fill the gap; when the cushion block 6 fills the gap, the cushion block 6 and the sliding frame 3 can be regarded as a whole, and compared with a telescopic cylinder, the bearing strength is higher.

The above-mentioned fixing methods are all welded or screwed by means of the common technical means of those skilled in the art, if they are not separately described.

As shown in fig. 2, example 1: the traction sleeve 5 is fixed with one end of a screw 7, the other end of the screw 7 penetrates out of the side face of the sliding frame 3, and a through hole is formed in the position corresponding to the penetrating-out position of the sliding frame 3; the nut 8 is fixed on the screw 7, and the screw 7 and the traction sleeve 5 are of an integral structure in the mode.

As shown in fig. 4, example 2: the traction sleeve 5 and the screw 7 are of a split structure, through holes are formed in the positions, corresponding to the screws, of the two sides of the traction sleeve, the screw 7 is integrally inserted into the outer sides of the traction sleeve 5 and the sliding frame 3 and fixed through the nut 8, the screw 7 is separated from the traction sleeve 5 in the mode, maintenance is facilitated, the screw 7 is directly replaced when damaged, and other parts do not need to be replaced.

As shown in fig. 1-3, the working principle is as follows: when the driven shaft 2 needs to be adjusted to tension the conveying chain, the nut 8 is loosened, then the driven shaft 2 is moved to a specified position through the traction plates 4 on the two sides of the traction sleeve 5 of the press top, after the situation is determined, the cushion block 6 is inserted into a gap at the rod body position of the screw 7, one side of the cushion block 6 with the groove is inward and corresponds to the position of the screw 7, and blocking is prevented; after the cushion block 6 is inserted, the press machine can be removed, then the nut 8 is screwed, the nut 8 prevents the driven shaft 2 from moving towards the outside, the cushion block 6 prevents the driven shaft 2 from moving towards the inside, and the effect of bidirectional positioning is achieved during adjustment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A tensioning and positioning device for a steel pipe transverse moving conveying chain comprises a conveying chain body, a driven shaft, a sliding frame, a traction plate, a traction sleeve, a cushion block, a screw and a nut; the method is characterized in that: one end of the conveying chain body is provided with a driven shaft, and the other end of the conveying chain body is provided with a driving shaft; two sides of the driven shaft are respectively and movably connected with a traction sleeve; sliding frames are fixed on the two sides of the driven shaft corresponding to the end parts of the conveying chain bodies; the middle part of the sliding frame is provided with a sliding chute, and the traction sleeve is movably arranged in the sliding chute; the traction sleeve is fixed with one end of the screw rod; the other end of the screw rod penetrates out of the side face of the sliding frame, and a through hole is formed in the position corresponding to the penetrating-out position of the sliding frame; the nut is fixed on the screw and is arranged on the outer side of the sliding frame; and a cushion block is inserted into a gap between the traction sleeve and the sliding frame.

2. The tensioning and positioning device for the steel pipe traversing conveying chain as claimed in claim 1, wherein: two screw rods are arranged on the side face of the traction sleeve, the cushion block is of a herringbone structure, grooves are formed in the positions, corresponding to the two screw rods, of the inner side of the cushion block, and the width of each groove is larger than the diameter of each screw rod.

3. The tensioning and positioning device for the steel pipe traversing conveying chain as claimed in claim 2, wherein: the outside of drawing the cover is fixed with the horizontally traction plate, and the traction plate draws through the press, drives the axis body and moves in the sliding frame.

4. The tensioning and positioning device for the steel pipe traversing conveying chain as claimed in claim 1, wherein: the cushion blocks are more than one, the width of each cushion block is different, the cushion blocks are selected according to the gap width of the sliding frame and the traction sleeve, and the cushion blocks can be combined and spliced.

5. The tensioning and positioning device for the steel pipe traversing conveying chain as claimed in claim 2, wherein: the traction sleeve is of a square structure and is in clearance fit with the sliding frame.