CN217701110U

CN217701110U - Shield constructs section of jurisdiction bending device

Info

Publication number: CN217701110U
Application number: CN202221458836.2U
Authority: CN
Inventors: 周枫; 史博涵; 吕炳豪
Original assignee: Deqing Jiaoshui Construction Industrialization Co ltd
Current assignee: Deqing Jiaoshui Construction Industrialization Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-01
Anticipated expiration: 2032-06-09

Abstract

The utility model relates to a shield constructs section of jurisdiction steel bar bending process device, which comprises a frame, be provided with rotary driving mechanism in the frame, a pair of set up respectively on rotary driving mechanism's output shaft and syntropy pivoted synchronous pulley, first linear driving mechanism, rotate and connect in the epaxial interior pinch roller of first linear driving mechanism output, second linear driving mechanism, and rotate and connect in the epaxial outer pinch roller of second linear driving mechanism output, this is to synchronous pulley relative reinforcing bar extrados arrangement, the removal route of interior pinch roller is in proper order through reinforcing bar transport route and this between to synchronous pulley, the outer pinch roller is arranged in this low reaches to synchronous pulley, and the removal route of outer pinch roller is through reinforcing bar transport route. The utility model discloses a pair of synchronous pulley of corotation supplies the reinforcing bar to support and drive the reinforcing bar and removes to assist in the position adjustable in pinch roller and the outer pinch roller extrude crooked operation in the reinforcing bar both sides, when having the efficient concurrently, can adapt to the angle bending of different radians.

Description

Shield constructs section of jurisdiction bending device

Technical Field

The utility model belongs to the technical field of the technique of steel bar bending process and specifically relates to a shield constructs section of jurisdiction steel bar bending process device is related to.

Background

The shield segment is a main assembly component for shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. The shield segment is a permanent lining structure of a shield tunnel, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced. Current shield constructs section of jurisdiction mainly combines to form not unidimensional arc shield by steel reinforcement cage and concrete anchor and constructs section of jurisdiction concrete member, its steel reinforcement cage is including a plurality of monolithic nets that are the arc form, the monolithic net includes an inner arc reinforcing bar and an outer arc reinforcing bar, the frame that forms arc shield pipe monolithic net after the side that inner arc reinforcing bar both ends formed to bending with one side and outer arc reinforcing bar both ends welding, many stirrups of interval welding between inner arc reinforcing bar and the outer arc reinforcing bar, form shield and construct section of jurisdiction monolithic net.

At present, inner arc steel bars and outer arc steel bars are extruded and bent by a bending device, the bending device is provided with a fixed module on a fixed template, and the inner side and the outer side of the fixed module are respectively provided with a plurality of inner arc fixed modules and a plurality of outer arc fixed modules which are the same as a single shield segment net; a plurality of movable inner arc moving modules and a plurality of movable outer arc moving modules are respectively arranged on two sides of the fixed template. Two straight reinforcing bars are respectively clamped on the inner arc moving module and the outer arc moving module, the driving mechanism drives the inner arc moving module and the outer arc moving module to simultaneously move towards the inner arc fixing module and the outer arc fixing module, and the two straight reinforcing bars are simultaneously extruded and bent to form the inner arc reinforcing bars and the outer arc reinforcing bars.

The defects of the prior art are that the bending device needs to manually draw the straight steel bar to bend, is difficult to adjust the bending radian of the steel bar in an adaptive manner, has the problems of poor adaptability and low bending efficiency, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to the above-mentioned not enough that exists among the prior art and provide a shield constructs section of jurisdiction bending device, it has reached the purpose that the crooked radian is adjustable, bending efficiency improves.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a shield constructs section of jurisdiction steel bar bending process device, includes the frame, be provided with rotary driving mechanism, a pair of set up respectively in rotary driving mechanism's output shaft and syntropy pivoted synchronous pulley, first linear driving mechanism, rotate connect in interior pinch roller, second linear driving mechanism on the first linear driving mechanism output shaft and rotate connect in outer pinch roller on the second linear driving mechanism output shaft, this is arranged the relative reinforcing bar extrados of synchronous pulley, the removal route of interior pinch roller is in proper order through reinforcing bar transport route and this between to synchronous pulley, outer pinch roller is arranged in this downstream to synchronous pulley, just the removal route of outer pinch roller passes through reinforcing bar transport route.

By adopting the technical scheme, when extrusion bending operation is carried out, one synchronous pulley, the inner press wheel, the other synchronous pulley and the outer press wheel are sequentially arranged along the conveying direction of the steel bar and are positioned near the conveying path of the steel bar, the straight steel bar is firstly sent into the gap between the pair of synchronous pulleys and the inner press wheel, the first linear motion mechanism drives the inner press wheel to move towards the pair of synchronous pulleys so as to force the steel bar to be preliminarily bent into an arc shape, meanwhile, the rotary drive mechanism drives the pair of synchronous pulleys to rotate in the same direction and sends the section of the steel bar which is preliminarily bent to the position near the outer press wheel, then the second linear drive mechanism drives the outer press wheel to move towards the inner press wheel so as to further bend and shape the section, and then the steel bar is driven to continuously move and be extruded and bent through the pair of synchronous pulleys, and manual continuous feeding is not needed; after the primary extrusion bending is finished, the first linear driving mechanism and the second linear driving mechanism respectively drive the inner pressing wheel and the outer pressing wheel to be separated from the reinforcing steel bar, then the arc-shaped reinforcing steel bar is taken down, and the extrusion bending operation of the next reinforcing steel bar is continued; in this in-process, supply the reinforcing bar to support through a pair of synchronous pulley of corotation and drive the reinforcing bar and remove to assist in the pinch roller and the outer pinch roller of position adjustable and carry out the extrusion bending operation in the reinforcing bar both sides, have the efficient concurrently, can adapt to the reinforcing bar bending of different radians.

The utility model discloses further set up to: still include a pair of arrange respectively in frame upper and lower reaches pay-off platform, the pay-off bench is seted up a plurality of bar mouths of arranging on reinforcing bar conveying path and arranging side by side and a plurality of regulation mouth of arranging on one side of these bar mouths and arranging side by side, the coaxial a plurality of delivery rolls that are provided with in the bar mouth.

Through adopting above-mentioned technical scheme, the regulation mouth is convenient for the reinforcement to lift by crane and the ligature of unloading in-process and unbundles the operation, and the feed roll is used for rolling the cooperation with the reinforcing bar for the unloading of reinforcing bar is more laborsaving.

The utility model discloses further set up to: the feeding side and the discharging side of the rack are respectively connected with a driving roller in a rotating mode, and the driving rollers are arranged relative to the bottom face of the reinforcing steel bar.

Through adopting above-mentioned technical scheme, the driving roller is used for rolling the cooperation with the reinforcing bar, and support for the unloading of reinforcing bar is more laborsaving.

The utility model discloses further set up to: the rotary driving mechanism comprises a rotary motor arranged on the rack, a pair of belt pulleys rotationally connected to the rack, and a transmission belt sleeved on the pair of belt pulleys, wherein an output shaft of the rotary motor is connected with one of the belt pulleys, and the pair of synchronous belt pulleys are respectively and coaxially arranged on the pair of belt pulleys.

By adopting the technical scheme, the transmission of force between different shafts can be realized by belt transmission, and the purpose of driving the synchronous rotation of the pair of synchronous pulleys is realized by taking the rotating motor as a driving source.

The utility model discloses further set up to: the first linear driving mechanism comprises a first lead screw motor arranged on the rack, a first sliding chute formed in the surface of the rack, a first sliding plate connected to the first sliding chute in a sliding mode, and a first transmission nut arranged on the first sliding plate and in threaded connection with a lead screw shaft of the first lead screw motor, and the inner pressing wheel is connected to the first sliding plate in a rotating mode.

Through adopting above-mentioned technical scheme, the screw rod transmission has the advantage that start-up moment is little, the auto-lock is good, can realize that the fixed point of interior pinch roller on first spout removes to make the reinforcing bar can be extruded crooked to predetermined radian.

The utility model discloses further set up to: the second linear driving mechanism comprises a second lead screw motor arranged on the rack, a second sliding groove formed in the surface of the rack, a second sliding plate connected to the second sliding groove in a sliding mode, and a second transmission nut arranged on the second sliding plate and in threaded connection with a lead screw shaft of the second lead screw motor, and the outer pressing wheel is connected to the second sliding plate in a rotating mode.

Through adopting above-mentioned technical scheme, the screw rod transmission has the advantage that start-up moment is little, the auto-lock is good, can realize that the fixed point of outer pinch roller on the second spout removes to guarantee that the reinforcing bar can be extruded crooked to predetermined radian.

The utility model discloses further set up to: the peripheral wall of the synchronous pulley is provided with equidistant teeth, two ends of the synchronous pulley respectively extend outwards and form annular bulges, the end walls of the annular bulges close to the equidistant teeth are provided with guide inclined planes, and the equidistant teeth and the guide inclined planes are respectively arranged opposite to the peripheral wall of the reinforcing steel bar.

Through adopting above-mentioned technical scheme, equidistant tooth forms an obtuse angle space with the direction inclined plane, can increase and the area of contact between the reinforcing bar, improves reinforcing bar conveying efficiency.

The utility model discloses further set up to: the connecting line between the pair of synchronous belt wheels and the outer pinch roller is in an isosceles triangle shape, and the moving path of the outer pinch roller is inclined relative to the moving path of the inner pinch roller.

Through adopting above-mentioned technical scheme, the moving path of outer pinch roller is above-mentioned isosceles triangle's symmetry line promptly to make the crooked extrusion force that receives of reinforcing bar be rather than its curved radial parallel, the moving path of pinch roller in the rethread slope makes it be similar parallel with the curved radial of reinforcing bar, is favorable to guaranteeing the atress effect of reinforcing bar initial stage and terminal extrusion bending, guarantees product quality.

To sum up, the utility model discloses a beneficial technological effect does: supply the reinforcing bar to support through a pair of synchronous pulley of corotation and drive the reinforcing bar and remove to be aided with position adjustable inner pinch roller and outer pinch roller and carry out the extrusion bending operation in reinforcing bar both sides, when having the efficient concurrently, can adapt to the reinforcing bar bending of different radians.

Drawings

Fig. 1 is the utility model discloses a shield constructs section of jurisdiction bending device's structural schematic diagram.

Fig. 2 is the structural schematic diagram of the reinforcing bar storage unit of the utility model.

Fig. 3 is the structural schematic diagram of the steel bar bending unit of the present invention.

Fig. 4 is a schematic view of the connection relationship between the rotary driving mechanism, the synchronous pulley, the first linear driving mechanism, the inner pressing wheel, the second linear driving mechanism and the outer pressing wheel.

In the figure, 101, a steel bar bending unit; 102. a reinforcing steel bar storage unit; 2. a feeding table; 21. a strip-shaped opening; 22. an adjustment port; 23. a feed roller; 3. a frame; 31. a driving roller; 4. a rotation driving mechanism; 41. a rotating electric machine; 42. a belt pulley; 43. a transmission belt; 5. a synchronous pulley; 51. equally spaced teeth; 52. an annular projection; 53. a guide slope; 6. a first linear drive mechanism; 61. a first lead screw motor; 62. a first chute; 63. a first slide plate; 64. a first drive nut; 7. an inner pinch roller; 8. a second linear drive mechanism; 81. a second screw motor; 82. a second chute; 83. a second slide plate; 84. a second drive nut; 9. and an outer pressing wheel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention clearer and easier to understand, the present invention is further explained below with reference to the accompanying drawings and the detailed description.

Referring to fig. 1, for the utility model discloses a shield constructs section of jurisdiction angle bending device, including angle bending unit 101 and a pair of setting up respectively in angle bending unit 101 the upper and lower downstream reinforcing bar deposit unit 102. Wherein, reinforcing bar deposit unit 102 is through the mode with reinforcing bar rolling contact, the last unloading of the reinforcing bar of being convenient for, and the crooked unit 101 of reinforcing bar is through the mode at reinforcing bar both sides extrusion bending and drive reinforcing bar continuous movement, with the reinforcing bar bending into arc, and can adapt to the reinforcing bar bending process of different radians.

Referring to fig. 2, specifically, the reinforcing steel bar storage unit 102 includes a feeding table 2, three sets of strip-shaped openings 21 and three sets of adjusting openings 22 arranged in parallel and opened on the feeding table 2, and a feeding roller 23 rotatably connected in the strip-shaped openings 21 and coaxially disposed. The bar-shaped openings 21 are arranged on the conveying path of the reinforcing bars, and the adjustment openings 22 are arranged on the same side of the bar-shaped openings 21. During the use, regulation mouth 22 is convenient for the reinforcing bar to lift by crane and the ligature of unloading in-process and is unbound the operation, and feed roll 23 is used for rolling the cooperation with the reinforcing bar for the unloading of reinforcing bar is more laborsaving.

Referring to fig. 3, the reinforcing bar bending unit 101 includes a frame 3, a pair of driving rollers 31 respectively disposed on the feeding and discharging sides of the frame 3, a rotation driving mechanism 4 (see fig. 4) disposed on the frame 3, a pair of synchronous pulleys 5 respectively disposed on the output shafts of the rotation driving mechanism 4 and rotating in the same direction, a first linear driving mechanism 6, an inner pinch roller 7 rotatably connected to the output shaft of the first linear driving mechanism 6, a second linear driving mechanism 8, and an outer pinch roller 9 rotatably connected to the output shaft of the second linear driving mechanism 8. The pair of synchronous pulleys 5 are arranged opposite to the outer arc surface of the reinforcing steel bar, the moving path of the inner press wheel 7 sequentially passes through the reinforcing steel bar conveying path and between the pair of synchronous pulleys 5, the outer press wheel 9 is arranged at the downstream of the pair of synchronous pulleys 5, and the moving path of the outer press wheel 9 passes through the reinforcing steel bar conveying path.

Wherein, the connecting line between the pair of synchronous pulleys 5 and the outer pressing wheel 9 is in an isosceles triangle shape, and the moving path of the outer pressing wheel 9 is inclined relative to the moving path of the inner pressing wheel 7. The moving path of the outer pressing wheel 9 is the symmetry line of the isosceles triangle, so that the extrusion force applied to the bending of the reinforcing steel bar is parallel to the arc radial direction of the reinforcing steel bar, and the radial direction of the reinforcing steel bar is approximately parallel to the arc radial direction of the reinforcing steel bar by inclining the moving path of the inner pressing wheel 7, thereby being beneficial to ensuring the stress effect of the extrusion bending at the initial stage and the final stage of the reinforcing steel bar and ensuring the product quality.

Referring to fig. 4, in order to improve the reinforcing bar transfer efficiency, the circumferential wall of the timing pulley 5 has equally spaced teeth 51, and both ends of the timing pulley 5 extend outward and form annular protrusions 52, respectively, the annular protrusions 52 are provided as guide slopes 53 near the end walls of the equally spaced teeth 51, and the equally spaced teeth 51 and the guide slopes 53 are arranged opposite to the circumferential wall of the reinforcing bar, respectively. The equidistant teeth 51 and the guide inclined surface 53 form an obtuse angle space, so that the contact area between the equidistant teeth and the reinforcing steel bars can be increased, and the conveying efficiency of the reinforcing steel bars is improved.

The rotary driving mechanism 4 includes a rotary motor 41 disposed on the frame 3, a pair of belt pulleys 42 rotatably connected to the frame 3, and a transmission belt 43 sleeved on the pair of belt pulleys 42, an output shaft of the rotary motor 41 is connected to one of the belt pulleys 42, and the pair of synchronous pulleys 5 are coaxially disposed on the pair of belt pulleys 42, respectively. The belt transmission can transmit force between different shafts, and the rotating motor 41 serves as a driving source to drive the pair of synchronous pulleys 5 to rotate synchronously.

The first linear driving mechanism 6 comprises a first lead screw motor 61 arranged on the frame 3, a first chute 62 opened on the surface of the frame 3, a first sliding plate 63 connected to the first chute 62 in a sliding manner, and a first transmission nut 64 arranged on the first sliding plate 63 and connected with a lead screw shaft of the first lead screw motor 61 in a threaded manner, and the inner pressing wheel 7 is rotatably connected to the first sliding plate 63. The screw rod transmission has the advantages of small starting torque and good self-locking, and can realize the fixed-point movement of the inner pressing wheel 7 on the first sliding groove 62, so that the reinforcing steel bar can be extruded and bent to a preset radian.

The second linear driving mechanism 8 includes a second screw motor 81 disposed on the frame 3, a second chute 82 opened on the surface of the frame 3, a second slide plate 83 slidably connected to the second chute 82, and a second transmission nut 84 disposed on the second slide plate 83 and threadedly connected to a screw shaft of the second screw motor 81, and the outer pressing wheel 9 is rotatably connected to the second slide plate 83. The screw rod transmission has the advantages of small starting torque and good self-locking, and can realize the fixed-point movement of the outer pressing wheel 9 on the second sliding groove 82 so as to ensure that the reinforcing steel bar can be extruded and bent to a preset radian.

The implementation principle of the embodiment is as follows: when extrusion bending operation is carried out, one synchronous pulley 5, the inner pressure wheel 7, the other synchronous pulley 5 and the outer pressure wheel 9 are sequentially arranged along the conveying direction of the steel bars and are positioned near the conveying path of the steel bars, the straight steel bars are firstly sent into gaps between the pair of synchronous pulleys 5 and the inner pressure wheel 7, the first linear motion mechanism drives the inner pressure wheel 7 to move towards the pair of synchronous pulleys 5 so as to force the steel bars to be preliminarily bent into an arc shape, meanwhile, the rotary drive mechanism 4 drives the pair of synchronous pulleys 5 to rotate in the same direction and sends sections of the primarily bent steel bars to the positions near the outer pressure wheel 9, then the second linear drive mechanism 8 drives the outer pressure wheel 9 to move towards the inner pressure wheel 7 so as to further bend and shape the sections, and then the synchronous pulleys 5 drive the steel bars to continuously move and carry out extrusion bending without manual continuous feeding. After the primary extrusion bending is finished, the first linear driving mechanism 6 and the second linear driving mechanism 8 respectively drive the inner pressing wheel 7 and the outer pressing wheel 9 to be separated from the steel bar, then the arc-shaped steel bar is taken down, and the extrusion bending operation of the next steel bar is continued. In this in-process, supply the reinforcing bar through a pair of synchronous pulley 5 of corotation to support and drive the reinforcing bar and remove to assist in the operation of position adjustable inner pinch roller 7 and outer pinch roller 9 extrusion bending in reinforcing bar both sides, when having the efficient concurrently, can adapt to the reinforcing bar bending of different radians.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a shield constructs section of jurisdiction steel bar bending process device, includes frame (3), its characterized in that: the machine frame (3) is provided with a rotary driving mechanism (4), a pair of synchronous pulleys (5) which are respectively arranged on an output shaft of the rotary driving mechanism (4) and rotate in the same direction, a first linear driving mechanism (6), an inner pressing wheel (7) and a second linear driving mechanism (8) which are connected to an output shaft of the first linear driving mechanism (6) in a rotating mode, and an outer pressing wheel (9) which is connected to an output shaft of the second linear driving mechanism (8) in a rotating mode, wherein the pair of synchronous pulleys (5) are arranged on the outer arc surface of a steel bar relatively, the moving path of the inner pressing wheel (7) sequentially passes through a steel bar conveying path and the pair of synchronous pulleys (5), the outer pressing wheel (9) is arranged at the downstream of the pair of synchronous pulleys (5), and the moving path of the outer pressing wheel (9) passes through the steel bar conveying path.

2. The shield segment steel bar bending device according to claim 1, which is characterized in that: the steel bar conveying device is characterized by further comprising a pair of feeding tables (2) which are respectively arranged on the upper stream and the lower stream of the rack (3), a plurality of strip-shaped openings (21) which are arranged on the steel bar conveying path in parallel and are arranged in parallel and a plurality of adjusting openings (22) which are arranged on one side of the strip-shaped openings (21) in parallel are formed in the feeding tables (2), and a plurality of feeding rollers (23) are coaxially arranged in the strip-shaped openings (21).

3. The shield segment steel bar bending device according to claim 1, characterized in that: the feeding side and the discharging side of the rack (3) are respectively and rotatably connected with a driving roller (31), and the driving roller (31) is arranged on the bottom surface of the steel bar relatively.

4. The shield segment steel bar bending device according to claim 1, characterized in that: the rotary driving mechanism (4) comprises a rotary motor (41) arranged on the rack (3), a pair of belt pulleys (42) rotationally connected to the rack (3), and a transmission belt (43) sleeved on the pair of belt pulleys (42), an output shaft of the rotary motor (41) is connected with one of the belt pulleys (42), and the pair of synchronous belt pulleys (5) are respectively and coaxially arranged on the pair of belt pulleys (42).

5. The shield segment steel bar bending device according to claim 1, characterized in that: the first linear driving mechanism (6) comprises a first screw motor (61) arranged on the rack (3), a first sliding chute (62) arranged on the surface of the rack (3), a first sliding plate (63) connected to the first sliding chute (62) in a sliding mode, and a first transmission nut (64) arranged on the first sliding plate (63) and in threaded connection with a screw shaft of the first screw motor (61), and the inner pressing wheel (7) is connected to the first sliding plate (63) in a rotating mode.

6. The shield segment steel bar bending device according to claim 1, characterized in that: the second linear driving mechanism (8) comprises a second screw motor (81) arranged on the rack (3), a second sliding chute (82) formed in the surface of the rack (3), a second sliding plate (83) connected to the second sliding chute (82) in a sliding mode, and a second transmission nut (84) arranged on the second sliding plate (83) and in threaded connection with a screw shaft of the second screw motor (81), and the outer pressing wheel (9) is connected to the second sliding plate (83) in a rotating mode.

7. The shield segment steel bar bending device according to claim 1, characterized in that: the peripheral wall of the synchronous pulley (5) is provided with equidistant teeth (51), two ends of the synchronous pulley (5) respectively extend outwards and form annular protrusions (52), the end walls of the annular protrusions (52) close to the equidistant teeth (51) are provided with guide inclined planes (53), and the equidistant teeth (51) and the guide inclined planes (53) are respectively arranged opposite to the peripheral wall of the reinforcing steel bar.

8. The shield segment steel bar bending device according to claim 1, characterized in that: the connecting line between the pair of synchronous pulleys (5) and the outer pinch roller (9) is in the shape of an isosceles triangle, and the moving path of the outer pinch roller (9) is inclined relative to the moving path of the inner pinch roller (7).