CN113914278B

CN113914278B - Reinforcing steel bar binding device and method for pouring ship lock inclined plane by using same

Info

Publication number: CN113914278B
Application number: CN202111138990.1A
Authority: CN
Inventors: 宋国雨; 刘志宏; 郑伟; 王超; 张国庆; 刘伟; 李志锋; 宋天佑; 杨学明
Original assignee: Beijing Golden River Water Conservancy Construction Group Co ltd
Current assignee: Beijing Golden River Water Conservancy Construction Group Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2023-05-23
Anticipated expiration: 2041-09-27
Also published as: CN113914278A

Abstract

The application relates to a steel bar binding device, in particular to a ship lock inclined plane pouring technology, which comprises a foundation seat, a rotating seat, a pressing component and a first driving piece; the foundation seat is provided with a wire through hole; the rotating seat is rotationally connected to the base seat; the rotary seat is coaxially provided with a threading hole, the threading hole is communicated with the threading hole in an aligned mode, and the rotary seat is provided with a fixing hole; the pressing component is arranged on the rotating seat and is used for fixing iron wires in the fixing holes; the first driving piece is arranged on the base seat, and the first driving piece is used for driving the rotating seat to rotate by taking the axis of the rotating shaft as a rotating shaft. The application has the advantage of improving the construction efficiency of the ship lock inclined space.

Description

Reinforcing steel bar binding device and method for pouring ship lock inclined plane by using same

Technical Field

The application relates to a ship lock inclined plane pouring technology, in particular to a steel bar binding device and a method for pouring a ship lock inclined plane by using the binding device.

Background

In the construction process of the ship lock, the pouring work of the concrete inclined plane is often involved. Referring to fig. 1, a concrete ramp of a ship lock is shown. In the related art, a steel bar keel is required to be arranged in advance before pouring, the steel bar keel is formed by arranging a plurality of steel bars in a crossed mode according to a certain sequence, the steel bars which are mutually crossed in the steel bar keel are required to be bound and fixed through iron wires, in the process of binding and fixing the mutually crossed steel bars by using the iron wires, the coiled iron wires are generally cut to a proper length by using tool pliers, and then after the iron wires bypass the two steel bars, the tool pliers are used for clamping the two ends of the iron wires and rotating the tool pliers so as to enable the two ends of the iron wires to be knotted and fixed.

Aiming at the fixing mode of two crossed steel bars in the related technology, the inventor finds that the mode of using tool pliers to operate the iron wires has low working efficiency, so that the arrangement efficiency of steel bar keels is lower, and the construction progress of the whole ship lock is affected.

Disclosure of Invention

In order to solve the problem that the lower efficiency of construction of a ship lock is caused by lower working efficiency of a mode of operating an iron wire by using tool pliers in the related art, the application provides a reinforcing steel bar binding device and a method for pouring an inclined plane of the ship lock by using the binding device.

One of the purposes of this application is that the reinforcing bar binding apparatus that provides adopts following technical scheme:

the steel bar binding device comprises a foundation seat, a rotating seat, a pressing component and a first driving piece;

the foundation seat is provided with a wire through hole;

the rotating seat is rotationally connected to the base seat; the rotary seat is coaxially provided with a threading hole, the threading hole is communicated with the threading hole in an aligned mode, and the rotary seat is provided with a fixing hole; the pressing component is arranged on the rotating seat and is used for fixing iron wires in the fixing holes;

the first driving piece is arranged on the base seat, and the first driving piece is used for driving the rotating seat to rotate by taking the axis of the rotating seat as a rotating shaft.

Through adopting above-mentioned technical scheme, when binding the fixed of crossing reinforcing bar, pass through line hole and through wires hole in proper order with the iron wire at first to make the iron wire walk around crossing reinforcing bar and stretch into the fixed orifices after, later fix the iron wire in the fixed orifices with compressing tightly the subassembly, it is rotatory to drive the roating seat through driving piece one, can realize binding of crossing reinforcing bar, later remove compressing tightly the restriction of subassembly to the iron wire, and cut the iron wire of through wires hole department can.

Optionally, the pressing component comprises a connecting seat, a screw rod and a first pressing piece;

the connecting seat is fixedly arranged on the rotating seat;

the screw is rotationally connected to the rotating seat;

the first pressing piece comprises a connecting part and a pressing part;

the screw rod passes through the connecting part, and is in threaded connection with the connecting part;

the outer surface of the rotary seat is provided with a first perforation which is communicated with the fixing hole and is arranged along the length direction of the screw rod, and the compressing part is connected to the perforation in a sliding manner and compresses the iron wires in the fixing hole.

Through adopting above-mentioned technical scheme, the staff can realize compressing tightly fixedly to the downthehole iron wire of fixed knot through screwing the screw rod, easy operation and convenient.

Optionally, the fixing hole is parallel to the threading hole;

the rotary seat is provided with a second perforation which is communicated with the threading hole and is parallel to the first perforation;

the pressing assembly further comprises a second pressing part, wherein the second pressing part comprises a mounting part and an extrusion part;

the screw rod passes through the mounting part and is in threaded connection with the mounting part, and the extrusion part is connected to the second perforation in a sliding manner and compresses the iron wire in the threading hole;

the screw thread on the screw rod is two sections of reverse screw threads, and the two sections of screw threads are respectively in one-to-one correspondence with the mounting part and the connecting part.

Through adopting above-mentioned technical scheme, the staff can realize that fixed orifices and the interior iron wire of through wires hole are fixed in step through screwing the screw rod, easy operation and convenient. Meanwhile, the iron wires in the threading holes are fixed, so that the knotting effect of the rotating seat when the iron wires are knotted is better.

Optionally, the rotating seat is provided with a tangential member;

the tangent line piece comprises a cutter part and a stress part;

one end of the cutter part is a cutting edge, and one end of the cutter part far away from the cutting edge is connected with the stress part;

the stress part is hinged to the outer peripheral surface of the rotating seat;

a tangential hole communicated with the threading hole is formed in the peripheral surface of the rotating seat;

when the force bearing part is shifted to be far away from one end of the cutter part, one end of the cutter part far away from the force bearing part penetrates through the tangent hole to cut off the iron wire in the threading hole.

Through adopting above-mentioned technical scheme, the staff can realize cutting the iron wire spare in the through wires hole through stirring atress portion, and easy operation is convenient.

Optionally, the tangential component is located at a side of the second through hole facing the base seat.

Through adopting above-mentioned technical scheme, the roating seat can use the tangent line piece to cut off the iron wire in the through wires hole before rotatory like this, can reduce the roating seat like this at the influence of rotatory in-process to outside iron wire reel.

Optionally, the cross section of roating seat is circular, set up on the foundation seat with the recess of roating seat adaptation, the roating seat is installed to in the recess.

Through adopting above-mentioned technical scheme, the recess can play certain spacing effect to rotatory seat for the roating seat can be more stable at rotatory in-process.

Optionally, the through-line hole is rotationally connected with a pressing wheel, and the outer circumferential surface of the pressing wheel is sleeved with a rubber sleeve;

the pressing wheel presses the iron wires in the wire through holes;

the base seat is provided with a second driving piece for driving the pressing wheel to rotate.

Through adopting above-mentioned technical scheme, can be convenient for the staff make the iron wire wear out the through wires hole through rotating the pinch roller.

Optionally, the compression wheel is a unidirectional wheel.

Through adopting above-mentioned technical scheme, the pinch roller is compressing tightly the iron wire after, and the staff is when removing the binding apparatus, and directional wheel can have a spacing effect to the iron wire, can avoid the staff to break away from the wire hole when removing the binding apparatus like this as far as possible.

The second object of the invention is to provide a method for constructing a ship lock inclined space by using a steel bar binding device, which comprises the following steps: s1, paving a steel bar keel into a slope shape, and fixing the intersection of two steel bars by using an iron wire through a steel bar binding device;

s2, arranging templates at the periphery of the steel bar keels, sequentially and vertically arranging a plurality of groups of baffles in the steel bar keels along the direction of the inclined plane, arranging the baffles along the width direction of the inclined plane, and forming pouring spaces between two adjacent baffles;

s3, pouring concrete into the pouring spaces, wherein the concrete at the top of the pouring space protrudes out of the pouring spaces;

s4, when the concrete in the space to be poured is about to solidify, manually trowelling the concrete at the top of the pouring space, so that the concretes at the tops of the pouring spaces are connected together to form an inclined plane.

By adopting the scheme, the baffle plate reduces the fluidity of the concrete, so that a slope is easier to form.

Optionally, in step S2, the heights of the multiple groups of baffles sequentially decrease along the slope.

Through adopting above-mentioned technical scheme, a plurality of baffles are compatible with the inclination of slope for the concrete forms the slope more easily after pouring finishes.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through providing a reinforcing bar binding device, bind the device and include the foundation base to and rotate the roating seat of being connected to on the foundation base, offer the line hole on the foundation base, offer threading hole and fixed orifices on the roating seat, set up the compression assembly on the roating seat, make the staff bind fixed time more convenient high-efficient to the reinforcing bar that crosses;

2. through set up tangent line spare on the roating seat for the staff is more convenient when cutting off the iron wire.

3. By providing the construction method for the ship lock inclined space, the ship lock inclined space is more convenient and efficient in the construction process.

Drawings

Fig. 1 is a schematic view of a slope in the related art.

Fig. 2 is a schematic view of the external structure of the binding device according to the embodiment of the present application.

Fig. 3 is a cross-sectional view of a binding apparatus in an embodiment of the present application.

Fig. 4 is an enlarged partial schematic view of the portion a in fig. 3.

Fig. 5 is a partially enlarged schematic view of the portion B in fig. 3.

Fig. 6 is a schematic view highlighting the arrangement of the steel bar keels, templates and baffles in the ramp in this application.

Reference numerals illustrate: 1. a base; 11. a groove; 12. a wire through hole; 13. a through hole; 14. a grip; 15. a second driving piece; 2. a rotating seat; 21. a threading hole; 22. a fixing hole; 23. a placement groove; 231. a first toothed ring; 24. perforating the second hole; 25. cutting the line hole; 26. perforating first; 3. a compression assembly; 31. a connecting seat; 32. a screw; 321. limiting convex edges; 33. a first pressing piece; 331. a connection part; 332. a pressing part; 34. a second pressing piece; 341. a mounting part; 342. an extrusion part; 4. a first driving member; 42. a second toothed ring; 5. a thread cutting member; 51. a cutter part; 511. a blade; 52. a force receiving part; 6. a pinch roller; 61. a rubber sleeve; 7. an iron wire; 8. a steel keel; 9. a template; 10. and a baffle.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-6.

The embodiment of the application discloses a reinforcing steel bar binding device. Referring to fig. 2, the binding apparatus includes a base 1, a rotating base 2, a pressing assembly 3, and a driving member one 4.

Referring to fig. 3, the base 1 has a cylindrical rod-like structure, and a groove 11 with a circular cross section is coaxially formed on an end surface of one end of the base 1.

The rotating seat 2 is of a cylindrical structure matched with the groove 11, one end of the rotating seat 2 is inserted into the groove 11, and the rotating seat 2 is rotationally connected with the base seat 1.

The outer peripheral surface of one end of the base seat 1 far away from the rotary seat 2 is fixedly connected with a grip 14 which is convenient for a worker to hold.

The rotating seat 2 is coaxially provided with a threading hole 21, the corresponding foundation seat 1 is coaxially provided with a threading hole 12, and the threading hole 21 is aligned and communicated with the threading hole 12. The end surface of the rotating seat 2 extending out of one end of the groove 11 is provided with a fixing hole 22 along the length direction of the threading hole 21.

The compressing assembly 3 may be a plurality of bolts, when the compressing assembly 3 selects the bolts, the compressing assembly 3 is arranged on the rotating seat 2 in a penetrating manner, and the bolts extend into the fixing holes 22, and are in threaded connection with the rotating seat 2.

Referring to fig. 2, in the present embodiment, the pressing assembly 3 includes a connection seat 31, a screw 32, and a pressing member 33. The connection seat 31 is fixedly connected to the outer peripheral surface of the portion of the swivel seat 2 extending beyond the base seat 1. The middle part of the screw 32 is rotatably connected to the connection seat 31.

The first pressing member 33 includes a connecting portion 331 and a pressing portion 332 integrally provided, the connecting portion 331 and the pressing portion 332 are perpendicular to each other, and the connecting portion 331 and the pressing portion 332 together constitute the first pressing member 33 in an "L" shape.

The screw 32 passes through the connecting portion 331, and the screw 32 is in threaded connection with the connecting portion 331, and the pressing portion 332 is parallel to the screw 32.

Referring to fig. 3, a portion of the rotating base 2 extending out of the groove 11 is provided with a first through hole 26 communicating with the fixing hole 22, and the first through hole 26 is disposed parallel to the screw 32. The pressing portion 332 of the first pressing member 33 protrudes through the first through hole 26 into the fixing hole 22 to press the iron wire 7. Meanwhile, the pressing part 332 is in sliding connection with the rotating seat 2.

Referring to fig. 3, the first driving member 4 is configured to drive the rotating base 2 to rotate. The first driving member 4 is a motor, and the first driving member 4 is fixedly mounted to the base 1 along the axial direction of the base 1.

Referring to fig. 4, the outer circumferential surface of the base 1 is provided with a through hole 13 communicating with the groove 11. An annular arrangement groove 23 is coaxially formed in the outer peripheral surface of the rotary seat 2, a first toothed ring 231 which is coaxial with the rotary seat 2 is fixedly arranged in the arrangement groove 23, a second toothed ring 42 is coaxially fixedly connected to the output shaft of the corresponding first driving piece 4, and the second toothed ring 42 penetrates through the through hole 13 to be meshed with the first toothed ring 231.

Before binding the steel bars, one end of the iron wire 7 sequentially passes through the through-wire hole 12 and the threading hole 21, then one end of the iron wire 7 extending out of the threading hole 21 bypasses two crossed steel bars, one end of the iron wire 7 extends into the fixing hole 22, and the screw rod 32 is rotated to enable the pressing part 332 of the first pressing part 33 to press the iron wire 7. And then, the driving piece I4 is started, the driving piece I4 drives the rotating seat 2 to rotate, so that after the iron wires are knotted, the iron wires at the threading holes 21 are cut off, the operation is simple and convenient, and the binding efficiency of the reinforcing steel bars is greatly improved.

Referring to fig. 2, the compression assembly 3 further includes a compression member two 34 for fixing the wire 7 in the wire hole 21 during the knotting process of the wire 7.

Specifically, the second pressing member 34 includes an integrally provided mounting portion 341 and an extruding portion 342, the mounting portion 341 and the extruding portion 342 are perpendicular to each other, and the mounting portion 341 and the extruding portion 342 together constitute the second pressing member 34 in an "L" shape. The screw 32 passes through the mounting part 341, and the screw 32 is in threaded connection with the second pressing piece 34. The first pressing piece 33 and the second pressing piece 34 are respectively positioned at two sides of the connecting seat 31, and the threads at two sides of the connecting seat 31 on the screw 32 are reverse threads.

Referring to fig. 3, the rotary seat 2 is provided with a second through hole 24 communicated with the threading hole 21, and the second through hole 24 is collinear with the first through hole 26. The extrusion part 342 of the second pressing part 34 passes through the second perforation 24 and then extends into the threading hole 21 to press the iron wire 7. The pressing portion 342 is slidably connected to the rotary base 2.

After the iron wires 7 bypass the crossed reinforcing steel bars and extend into the fixing holes 22, the screw rod 32 is rotated to enable the first pressing piece 33 to press the iron wires 7 in the fixing holes 22, the second pressing piece 34 to press the iron wires 7 in the threading holes 21, and then the rotary seat 2 is rotated through the first driving piece 4, so that knotting of the iron wires 7 can be achieved.

Like this at the in-process that iron wire 7 was tied knots compress tightly piece two 34 can fix the iron wire 7 in the through wires hole 21, make the effect of tying knots of iron wire 7 better.

Referring to fig. 2, the two ends of the screw 32 are provided with limiting flanges 321, and the pressing portion 332 is not separated from the first through hole 26 and the pressing portion 342 is not separated from the second through hole 24 when the screw 32 rotates under the action of the limiting flanges 321.

Referring to fig. 3, further, a wire cutting member 5 is further installed on the rotating base 2, and the wire cutting member 5 is used for cutting the wire 7 passing through the threading hole 21.

The tangent line piece 5 includes cutter portion 51 and atress portion 52 that an organic whole set up, and cutter portion 51 and atress portion 52 are the shaft-like structure, and the one end of cutter portion 51 is connected with the one end of atress portion 52, exists the contained angle between cutter portion 51 and the atress portion 52. The middle part of the stress part 52 is hinged to the outer peripheral surface of the part of the rotating seat 2 extending out of the groove 11. The cutter portion 51 is provided with a blade 511 at an end thereof remote from the force receiving portion 52.

The outer peripheral surface of the rotary seat 2 is provided with a tangential hole 25 communicated with the threading hole 21, and one end of the cutter part 51, which is far away from the force receiving part 52, extends into the tangential hole 25.

The worker can cut off the iron wire 7 in the threading hole 21 by pulling the force receiving portion 52 away from one end of the cutter portion 51 so that the cutter portion 51 passes through the tangential hole 25.

In order to reduce the influence of the rotating seat 2 on the external iron wire coil in the rotating process as much as possible, the wire cutting member 5 is positioned on one side of the pressing hole facing the base seat 1, so that after the iron wires 7 in the threading hole 21 are fixed, the wire cutting member 5 can be used for cutting the iron wires 7 in the threading hole 21 before knotting the iron wires 7.

Referring to fig. 5, further, the cross section of the through hole 12 on the base 1 is rectangular, and the compression wheel 6 is disposed in the through hole 12, and the rubber sleeve 61 is sleeved on the outer peripheral surface of the compression wheel 6. The pinch roller 6 is rotatably connected to the base 1.

Referring to fig. 1, a second driving member 15 for driving the pinch roller 6 to rotate is arranged outside the base 1, the second driving member 15 is a crank rotatably connected with the base 1, the second driving member 15 passes through the base 1 and is coaxially and fixedly connected with the pinch roller 6, and a worker can rotate the pinch roller 6 through the second driving member 15.

After the iron wire 7 passes through the wire through hole 12, the pressing wheel 6 can press the iron wire 7, and staff makes the pressing wheel 6 rotate through the second driving piece 15, and the pressing wheel 6 can make the iron wire 7 stretch out the wire through hole 21 on the rotary seat 2 in the rotation process.

In addition, in this embodiment, the pressing wheel 6 is a directional wheel, and the pressing wheel 6 can only rotate towards one direction, so that after the pressing wheel 6 presses the iron wire 7, when a worker moves the binding device, the directional wheel can have a limiting effect on the iron wire 7, and the iron wire 7 can be prevented from being separated from the wire through hole 12 when the worker moves the binding device as much as possible.

The implementation principle of the reinforcing steel bar binding device in the embodiment of the application is as follows: in the process of binding the crossed reinforcing steel bars, the free ends of the iron wire rolls extend into the through wire holes 12, the pressing wheel 6 is pressed against the iron wires 7, the driving part II 15 is used for rotating the pressing wheel 6, the iron wires 7 extend out of the threading holes 21, then the iron wires 7 penetrating through the threading holes 21 bypass the crossed reinforcing steel bars, the free ends of the iron wires 7 extend into the fixing holes 22 and the screw rods 32 are screwed, and the iron wires 7 in the fixing holes 22 and the iron wires 7 in the threading holes 21 are fixed. The wire 7 in the threading hole 21 is cut off by the wire cutting member 5. And start driving piece one 4, driving piece one 4 drives rotary seat 2 rotation and knots iron wire 7, twist screw rod 32 after knot finishes, make iron wire 7 that knots finish break away from rotary seat 2 can.

A method for pouring a ship lock inclined plane by using a steel bar binding device and a binding device comprises the following steps:

s1, paving a steel bar keel;

referring to fig. 6, the bar keels are laid in a slope shape, and the intersections of the two bars are fixed by the iron wires 7 using the above-described bar binding apparatus.

S2, arranging templates 9 on the periphery of a steel bar keel, wherein the templates 9 adopt quick and easy closing-up nets, a plurality of groups of baffles 10 are vertically arranged in the steel bar keel, each group of baffles 10 consists of a plurality of quick and easy closing-up nets, each group of baffles 10 is arranged along the width direction of a slope, and the baffles 10 and the steel bar keel 8 are fixed through iron wires 7;

the heights of the plurality of sets of baffles 10 decrease in sequence along the inclined plane. A plurality of casting spaces are formed between two adjacent sets of baffles 10.

S3, pouring concrete into the pouring spaces;

when concrete is poured into the pouring space, the concrete is slightly more than the height of the pouring space.

S4, manually trowelling the concrete at the top of the pouring space when the concrete in the space to be poured is about to be solidified, so that the concrete at the top of the pouring spaces are connected together to form an inclined plane.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The device is binded to reinforcing bar, its characterized in that: comprises a foundation seat (1), a rotating seat (2), a compacting component (3) and a first driving piece (4);

the foundation base (1) is provided with a wire through hole (12);

the rotary seat (2) is rotationally connected to the base seat (1), a threading hole (21) is coaxially formed in the rotary seat (2), the threading hole (21) is communicated with the threading hole (12) in an aligned mode, and a fixing hole (22) is formed in the rotary seat (2); the pressing component (3) is arranged on the rotating seat (2), and the pressing component (3) is used for fixing the iron wires (7) in the fixing holes (22);

the first driving part (4) is arranged on the base seat (1), and the first driving part (4) is used for driving the rotating seat (2) to rotate by taking the axis of the rotating seat (2) as a rotating shaft;

the compressing component (3) comprises a connecting seat (31), a screw (32) and a compressing piece I (33);

the connecting seat (31) is fixedly arranged on the outer peripheral surface of the part, extending out of the base seat (1), of the rotating seat (2), and the middle part of the screw rod (32) is rotationally connected to the connecting seat (31);

the screw (32) is rotatably connected to the rotary seat (2);

the first pressing piece (33) comprises a connecting part (331) and a pressing part (332);

the screw rod (32) passes through the connecting part (331), and the screw rod (32) is in threaded connection with the connecting part (331);

the outer surface of the rotary seat (2) is provided with a first perforation (26) which is communicated with the fixed hole (22) and is arranged along the length direction of the screw (32), and the pressing part (332) is connected to the first perforation (26) in a sliding way and presses the iron wire (7) in the fixed hole (22);

the fixing hole (22) is parallel to the threading hole (21);

a second perforation (24) which is communicated with the threading hole (21) and is parallel to the first perforation (26) is arranged on the rotating seat (2);

the pressing assembly (3) further comprises a second pressing piece (34), and the second pressing piece (34) comprises a mounting part (341) and an extrusion part (342);

the screw rod (32) passes through the mounting part (341), the screw rod (32) is in threaded connection with the mounting part (341), and the extrusion part (342) is connected to the second perforation (24) in a sliding manner and presses the iron wire (7) in the threading hole (21);

the screw thread on the screw rod (32) is two sections of reverse screw threads, and the two sections of screw threads are respectively in one-to-one correspondence with the mounting part (341) and the connecting part (331);

a tangential member (5) is arranged on the rotating seat (2);

the thread cutting member (5) comprises a cutter part (51) and a stress part (52);

one end of the cutter part (51) is a cutting edge (511), and one end of the cutter part (51) far away from the cutting edge (511) is connected with the stress part (52);

the stress part (52) is hinged to the outer peripheral surface of the rotating seat (2);

a tangential hole (25) communicated with the threading hole (21) is formed in the outer peripheral surface of the rotating seat (2);

when the force bearing part (52) is shifted to be far away from one end of the cutter part (51), one end of the cutter part (51) far away from the force bearing part (52) passes through the tangential hole (25) to cut off the iron wire (7) in the threading hole (21);

the first driving part (4) is fixedly mounted to the base seat (1) along the axis direction of the base seat (1), the cross section of the rotating seat (2) is circular, a groove (11) matched with the rotating seat (2) is formed in the base seat (1), the rotating seat (2) is mounted in the groove (11), a through hole (13) communicated with the groove (11) is formed in the outer peripheral surface of the base seat (1), an annular arrangement groove (23) is coaxially formed in the outer peripheral surface of the rotating seat (2), a toothed ring I (231) coaxial with the rotating seat (2) is fixedly mounted in the arrangement groove (23), a toothed ring II (42) is coaxially fixedly connected to an output shaft of the corresponding first driving part (4), and the toothed ring II (42) penetrates through the through hole (13) to be meshed with the toothed ring I (231);

when binding and fixing the crossed reinforcing steel bars, firstly, the iron wires (7) sequentially penetrate through the wire through holes (12) and the threading holes (21), the iron wires (7) extend into the fixing holes (22) after bypassing the crossed reinforcing steel bars, then the iron wires (7) in the fixing holes (22) are fixed by the pressing assembly (3), and the rotary seat (2) is driven to rotate by the driving piece I (4), so that binding of the crossed reinforcing steel bars can be realized.

2. The rebar tying device of claim 1, wherein: the tangential member (5) is located on the side of the second through hole (24) facing the base seat (1).

3. The rebar tying device of any one of claims 1-2, wherein: the wire through hole (12) is rotationally connected with a pressing wheel (6), and the outer peripheral surface of the pressing wheel (6) is sleeved with a rubber sleeve (61);

the pressing wheel (6) presses the iron wire (7) in the wire through hole (12);

the base seat (1) is provided with a second driving piece (15) for driving the pressing wheel (6) to rotate.

4. A rebar tying device as claimed in claim 3, wherein: the hold-down wheel (6) is a one-way wheel.