CN216887347U

CN216887347U - Portable steel bar binding machine for bridge steel bar mesh

Info

Publication number: CN216887347U
Application number: CN202122787333.1U
Authority: CN
Inventors: 张德福; 纪粟裕; 刘义; 林凡垒; 王润东
Original assignee: First Engineering Co Ltd Of Sinochem Communications Construction Group
Current assignee: First Engineering Co Ltd Of Sinochem Communications Construction Group
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-05
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the field of construction auxiliary tools, in particular to a portable reinforcing steel bar binding machine for a bridge reinforcing steel bar mesh, which comprises a binding part, a handheld part and a rotary connecting part, wherein the rotary connecting part is used for connecting the binding part and the handheld part, the handheld part comprises a handle and a pressure lever which is rotatably connected with the handle, an elastic return structure is arranged at the connecting position of the pressure lever and the handle, the handheld part also comprises a gear bin arranged on the handle and a gear pressing connecting rod arranged between the pressure lever and the gear bin, a gear bin shell is arranged outside the gear bin, a driven bevel gear connected with the rotary connecting part is arranged in the gear bin, a driving bevel gear driving the driven bevel gear to rotate is arranged in the gear bin, a gear cavity is arranged in the middle part of the driving bevel gear, the bottom of the gear cavity is rotatably connected with the handle, an inner ratchet wheel is arranged in the gear cavity, one end of the gear pressing connecting rod is connected with the pressure lever, and the other end of the pressing connecting rod is connected with the inner ratchet wheel, the hand-held part and the bundling part are connected by rotating the connecting part, so that the operation is flexible and the use is convenient.

Description

Portable steel bar binding machine for bridge steel bar mesh

Technical Field

The utility model relates to the field of municipal construction and building construction auxiliary tools, in particular to a portable reinforcing steel bar binding machine for a bridge reinforcing steel bar net.

Background

The binding is also called binding, which is the binding of the steel bar structure in the initial construction stage, and is convenient for better and safe construction. In the building engineering, the crossed reinforcing steel bars are often required to be bundled by metal wires, the labor intensity for bundling the reinforcing steel bars is high, the wrist of a constructor is easily damaged by only manually bundling, the working efficiency is often difficult to improve, and a large amount of human resources are wasted. The reinforcing steel bar bundling tools in the market at present are various in variety and mainly comprise an electric bundling tool and a manual bundling tool, but the electric bundling tool is complex in structure, small-fault common workers are difficult to maintain, the use is inconvenient, bundling wires are wasted, or a wire bundling coil needs to be reserved in advance; the manual strapping tool needs the constructors to continuously rotate the wrists, and the burden of the wrists in home affects the health of the constructors.

The utility model patent application 201010113610.4 discloses a steel bar binding machine, which comprises a rack, wherein a wire feeding mechanism and a wire winding mechanism are arranged on the rack, the wire feeding mechanism comprises a wire feeding arm and a wire receiving arm, the wire feeding arm and the wire receiving arm are respectively positioned at two sides of a working table surface, guide rails are respectively arranged in the wire feeding arm and the wire receiving arm, a wire feeding chain is arranged in each guide rail, the head end of the wire feeding chain is provided with a wire hooking head, and a wire feeding driving device is connected to the wire feeding chain; the wire winding mechanism comprises a wire winding disc, one side of the wire winding disc is provided with a clamping hook, and the clamping hook is opposite to the wire receiving arm; the other side of the wire spool is provided with a wire winding head which is positioned at the rear side of the wire feeding arm; the rear side of the wire winding head of the wire winding disc is also provided with a blade for cutting off the metal wire; the wire spool is connected with a wire winding driving device.

The steel bar binding machine is driven by a motor, and a special wire spool needs to be prepared in advance, but a braking mechanism of a metal wire spool is generally complex and high in price, or the construction cost is increased when a finished wire spool is purchased; through the motor drive, not only the noise is big during the use, and the reliability is poor moreover, charges inconvenient while still can cause the power consumption potential safety hazard, very big influence the performance of complete machine. And the reinforcing bar bundling tool has a complex structure and high cost, and small-fault common workers are difficult to maintain and inconvenient to use.

The utility model discloses a pair of handheld convenient steel bar binding pliers 201510160133.X, which comprises an upper handle and a lower handle which are hinged together in a staggered manner to form an X-shaped staggered manner, wherein the front end of the lower handle is provided with an upper pliers platform, and the front end of the upper handle is provided with a lower pliers platform; the upper clamp platform is provided with a molding press; the front end of the lower handle is rotatably provided with a nail box, the nail box is internally provided with chain nails, and the front end of the nail box is provided with a nail outlet groove; the lower clamp platform is provided with staggered grooves; the centers of the profiling device, the nail outlet groove and the staggered groove are positioned on the same vertical line.

Above-mentioned portable convenient reinforcing bar pincers that tie up adopt tiger's pincers formula operation, and use the binding head of stapler formula, but it is not convenient enough to carry in the use, and can not tie up to the reinforcing bar of different models at the binding process, and cause easily and tie up insecurely, the preparation mode and the price of gang nail are all higher, cause construction cost's rising, and insecure mode of tying up causes the portion of tying up to drop easily at the in-process that later stage was pour, thereby make the reinforcing bar net not hard up, influence the work progress, reduce the overall quality of engineering.

Consequently in order to make constructor convenient operation, the protection constructor is healthy, improves construction quality, and technical personnel in the field need a simple structure urgently, and it is convenient to maintain, practices thrift the cost, and when manual operation, can bring electric bundler's convenient binding apparatus again.

Disclosure of Invention

In view of the above problems, an object of the technical scheme of the present invention is to provide a manual tool for bundling a mesh reinforcement, which can effectively guarantee the wrist health of a constructor while improving the construction efficiency and ensuring the construction quality, and can use a simple wire, reduce the construction cost, have a simple structure, and be convenient for maintenance.

In order to achieve the purpose, the utility model adopts the technical scheme that: a portable steel bar binding machine for a bridge steel bar mesh comprises a binding part for binding steel bar binding wires, a handheld part for holding the steel bar binding machine, a rotary connecting part for connecting the binding part and the handheld part, a handle, a pressure rod rotatably connected with the handle, an elastic return structure arranged at the connecting position of the pressure rod and the handle, a gear bin arranged on the handle, and a tooth pressing connecting rod between the pressure rod and the gear bin, wherein a gear bin shell is arranged outside the gear bin, a driven bevel gear connected with the rotary connecting part is arranged in the gear bin, a driving bevel gear for driving the driven bevel gear to rotate is driven, a gear cavity is arranged in the middle of the driving bevel gear, the bottom of the gear cavity is rotatably connected with the handle, an inner ratchet wheel is arranged in the gear cavity, and one end of the tooth pressing connecting rod is connected with the pressure rod, the other end is connected with the inner ratchet wheel.

The portable steel bar binding machine for the bridge steel bar mesh is characterized in that the number of teeth of the driven bevel gear is less than that of the conical teeth of the driving bevel gear, the driven bevel gear is meshed with the driving bevel gear, a cavity bottom through hole is formed in the bottom of the gear cavity, and a gear rotating shaft used for connecting the driving bevel gear to the handle is connected in the cavity bottom through hole.

The portable rebar tying machine for the bridge reinforcing mesh is characterized in that a fan-shaped cavity is formed in the handle, a pin shaft is arranged in the fan-shaped cavity, the press rod comprises a rotary fixing rod connected with the handle and a hand press rod connected with the rotary fixing rod, the press rod further comprises a bent rod used for connecting the rotary fixing rod and the hand press rod, one end of the rotary fixing rod is connected with the handle in a rotating mode through the pin shaft, the hand press rod is connected to the other end of the rotary fixing rod through the bent rod, and the elastic return structure is arranged in the fan-shaped cavity and connected with the rotary fixing rod.

Foretell a portable rebar tying machine for bridge reinforcing bar net, the depression bar is provided with a depression bar groove in rotatory dead lever and curved bar junction, press the tooth connecting rod including pressing tooth straight-bar and pressing tooth curved bar, press the tooth straight-bar to rotate and install in the depression bar groove, press the ratchet including the tooth curved bar overlap joint on the ratchet.

Foretell a portable rebar tying machine for bridge reinforcing bar net, the handle sets up the handle body that is used for handing at the handle rear end including setting up the handle connecting portion at the handle front end to and set up the gear storehouse installation department in the middle of handle connecting portion and the handle body, be provided with the connecting portion through-hole on the handle connecting portion.

The portable steel bar binding machine for the bridge steel bar mesh is characterized in that the rotary connecting part comprises a bearing arranged in a through hole of the connecting part, one side of an inner wheel of the bearing is provided with a rotary rod used for connecting a driven bevel gear and the inner wheel of the bearing, and the other side of the inner wheel of the bearing is connected with the binding part.

The utility model discloses a portable steel bar binding machine for a bridge steel bar mesh, which has the beneficial effects that: the hand-held part is connected with the bundling part through the rotating connecting part, the operation is flexible, the use is convenient, the hand-held part can change the traditional force for rotating the wrist into the force for kneading the elbow through the matching of the arm and the pressure lever, so that the aim of protecting the wrist is achieved, the inner ratchet wheel on the driving bevel gear is driven to rotate through the pressure tooth connecting rod, the driven bevel gear is driven to rotate, the rotating connecting part connected with the driven bevel gear is ensured to rotate, and the bundling part is driven to rotate; connect rotatory dead lever and hand through the knee, can reduce the outside length that extends of hand, make things convenient for constructor to pinch depression bar and handle simultaneously, through the setting of elasticity return structure, can reset the depression bar automatically after pressing the depression bar.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a connecting structure of the pressing rod according to the present invention;

FIG. 3 is a schematic view of the overall structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the gear housing of the present invention;

FIG. 5 is a schematic view of a drive bevel gear configuration of the present invention;

FIG. 6 is a schematic top view of the bearing and the square mounting groove of the present invention;

FIG. 7 is a schematic view of the connection between the tooth pressing connecting rod and the pressing rod according to the present invention;

FIG. 8 is a schematic view of the connection between the teeth-pressing connecting rod and the gear housing according to the present invention;

FIG. 9 is a schematic view of a connecting structure of the binding part and the rotating connecting part according to the present invention.

In the figure: the hand-held binding part comprises a binding part 1, a hand-held part 2, a rotary connecting part 3, a binding hook 4, a square connecting rod 5, an elastic ball 6, a handle 7, a handle connecting part 8, a handle body 9, a gear bin mounting part 10, a connecting part through hole 11, a bearing 12, an outer wheel 13, an inner wheel 14, a square mounting groove 15, a ball groove 16, a sector cavity 17, a pin shaft 18, a gear bin 19, a gear bin shell 20, a driven bevel gear 21, a driving bevel gear 22, a gear cavity 23, a cavity bottom through hole 24, a gear rotating shaft 25, an inner ratchet 26, a rotating rod 27, a pressing rod 28, a return spring groove 29, a return spring 30, a rotary fixing rod 31, a hand pressing rod 32, a bent rod 33, a pressing rod groove 34, a pressing tooth connecting rod 35, a pressing tooth straight rod 36, a pressing tooth bent rod 37, a connecting rod through hole 38, a connecting rod return spring 39 and a return spring baffle 40.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed explanation of the technical solution of the present invention is provided in conjunction with the detailed description and the accompanying drawings.

As shown in fig. 1 to 9, a portable reinforcing bar binding machine for bridge reinforcing bar nets includes a binding part 1 for binding reinforcing bar binding wires, a hand-held part 2 for holding the reinforcing bar binding machine, and a rotation coupling part 3 for coupling the binding part and the hand-held part.

The binding part is a hook structure, and basically the same as the existing handheld binding hook 4 structure, and the difference lies in that: the hand-held part of the prior art bundling hook is arranged as a square connecting rod 5, on one of the side walls of which an elastic bead 6 is arranged.

The handheld portion comprises a handle 7, the handle comprises a handle connecting portion 8 arranged at the front end of the handle, a handle body 9 arranged at the rear end of the handle and used for being held by hands, and a gear chamber mounting portion 10 arranged between the handle connecting portion and the handle body.

The handle connecting portion are provided with connecting portion through holes 11, the connecting portion are connected with the rotating connecting portion, the rotating connecting portion comprises a bearing 12 arranged in the connecting portion through holes, an outer wheel 13 of the bearing is fixedly connected with the hole wall of the connecting portion through holes, a square mounting groove 15 matched with a square connecting rod is installed above an inner wheel 14 of the bearing, and a ball groove 16 matched with an elastic ball and used for improving the connecting firmness of the binding hook is arranged in the square mounting groove.

A sector cavity 17 is arranged on the main body of the gear mounting bin part of the handle, and a pin shaft 18 is arranged in the sector cavity.

Install gear storehouse 19 on the gear storehouse installation department, gear storehouse includes outside gear storehouse shell 20 and inside gear structure, gear structure includes the driven bevel gear 21 of being connected with rotation connecting portion, drive driven bevel gear pivoted drive bevel gear 22, driven bevel gear and drive bevel gear meshing, drive bevel gear's middle part is provided with gear chamber 23, chamber bottom through-hole 24 has been seted up to gear chamber's bottom, chamber bottom through-hole in-connection has the gear shaft 25 that is used for connecting drive bevel gear on the handle, thereby be connected gear chamber bottom and handle rotation, the gear intracavity is provided with interior ratchet 26, one of them face of interior ratchet is perpendicular with the gear chamber.

The large circular bottom center of the driven bevel gear is connected with a rotating rod 27, and the rotating rod is connected with the lower surface of the inner wheel of the bearing.

The hand-held part is also provided with a pressure lever 28 which is rotatably connected with the handle, the pressure lever is arranged in the fan-shaped cavity and is fixed on the handle through a pin shaft in the fan-shaped cavity, the connecting position of the pressure lever and the handle is provided with an elastic return mechanism, and the elastic return mechanism comprises a return spring groove 29 which is arranged on the bottom wall of the fan-shaped bin and a return spring 30 which is arranged in the return spring groove and is used for providing elastic force for the pressure lever.

The pressure lever comprises a rotary fixed lever 31 connected with the handle and a hand lever 32 connected with the rotary fixed lever, the pressure lever further comprises a bent lever 33 used for connecting the rotary fixed lever and the hand lever, one end of the rotary fixed lever is rotatably connected with the handle through a pin shaft, the hand lever is connected at the other end of the rotary fixed lever through the bent lever, and a pressure lever groove 34 is formed in the connection position of the rotary fixed lever and the bent lever.

The hand-held part also comprises a tooth pressing connecting rod 35 arranged between the pressing rod and the gear bin, the tooth pressing connecting rod comprises a tooth pressing straight rod 36 and a tooth pressing bent rod 37, the tooth pressing straight rod is rotatably arranged in the pressing rod groove through a semi-surrounding spherical structure, and the tooth pressing bent rod is lapped on the inner ratchet wheel.

Further, in order to meet the requirement of more revolutions and reduce the volume requirement of the steel bar binding machine, the diameter of the driven bevel gear is smaller than that of the driving bevel gear, and the number of teeth of the driven bevel gear is smaller than that of the conical teeth of the driving bevel gear.

Further, when the gear pressing connecting rod penetrates through the gear chamber shell, a connecting rod through hole 38 is formed in the gear chamber shell, a connecting rod return spring 39 larger than the connecting rod through hole is arranged on the outer side of the gear pressing connecting rod, and a connecting rod return spring baffle 40 is arranged on the gear pressing connecting rod at the tail end of the connecting rod return spring. The connecting rod through hole is matched with the connecting rod return spring and the connecting rod return spring baffle, so that the action of returning the pressing rod can be realized while the square movement of the pressing tooth connecting rod is limited.

When the binding hook is used, the binding hook is connected with a binding wire, the pressure rod and the handle are inwards kneaded, the pressure rod pushes the tooth pressing straight rod, so that the tooth pressing bent rod of the tooth pressing connecting rod on the vertical surface of the ratchet wheel including the lap joint is pushed to move, the driving bevel gear rotates under the action of the tooth pressing bent rod, the driven bevel gear is driven to rotate, the binding hook is driven to rotate through the rotating connecting portion, and the binding wire is tightly bound.

The pressure lever and the handle are loosened, and the pressure lever is ejected away from the handle under the action of the return spring.

The above-mentioned embodiments are only for illustrating the structural conception and the characteristics of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and the protection scope of the present invention is not limited thereby. All equivalent changes or modifications made according to the spirit of the present disclosure should be covered within the scope of the present disclosure.

Claims

1. The utility model provides a portable rebar tying machine for bridge reinforcing bar net, includes the portion of tying up that is used for tying up the reinforcing bar wire, is used for holding the handheld portion of rebar tying machine, still includes the rotation connecting portion that is used for connecting portion of tying up and handheld portion, its characterized in that: the handheld portion comprises a handle, a pressing rod connected with the handle in a rotating mode, an elastic return structure is arranged at the connecting position of the pressing rod and the handle, the handheld portion further comprises a gear bin arranged on the handle and a tooth pressing connecting rod arranged between the pressing rod and the gear bin, a gear bin shell is arranged on the outer side of the gear bin, a driven bevel gear connected with a rotating connecting portion is arranged in the gear bin, the driven bevel gear rotates to drive the driven bevel gear, a gear cavity is formed in the middle of the driving bevel gear, the bottom of the gear cavity is connected with the handle in a rotating mode, an inner ratchet wheel is arranged in the gear cavity, one end of the tooth pressing connecting rod is connected to the pressing rod, and the other end of the tooth pressing connecting rod is connected with the inner ratchet wheel.

2. The portable rebar tying machine for bridge rebar nets of claim 1, wherein: the number of teeth of the driven bevel gear is less than that of teeth of the conical teeth of the driving bevel gear, the driven bevel gear is meshed with the driving bevel gear, a cavity bottom through hole is formed in the bottom of the gear cavity, and a gear rotating shaft used for connecting the driving bevel gear to the handle is connected in the cavity bottom through hole.

3. The portable rebar tying machine for bridge rebar nets of claim 1, wherein: the handle is provided with a fan-shaped cavity, a pin shaft is arranged in the fan-shaped cavity, the pressing rod comprises a rotary fixing rod connected with the handle and a hand pressing rod connected with the rotary fixing rod, the pressing rod further comprises a bent rod used for connecting the rotary fixing rod and the hand pressing rod, one end of the rotary fixing rod is rotatably connected with the handle through the pin shaft, the hand pressing rod is connected to the other end of the rotary fixing rod through the bent rod, and the elastic return structure is arranged in the fan-shaped cavity and connected with the rotary fixing rod.

4. The portable rebar tying machine for bridge rebar nets of claim 3, wherein: the pressing rod is provided with a pressing rod groove at the joint of the rotary fixing rod and the bent rod, the tooth pressing connecting rod comprises a tooth pressing straight rod and a tooth pressing bent rod, the tooth pressing straight rod is rotatably installed in the pressing rod groove, and the tooth pressing bent rod is lapped on the inner ratchet wheel.

5. The portable rebar tying machine for bridge rebar nets of claim 1, wherein: the handle is including setting up the handle connecting portion at the handle front end, sets up the handle body that is used for handing at the handle rear end to and set up the gear storehouse installation department in the middle of handle connecting portion and the handle body, be provided with the connecting portion through-hole on the handle connecting portion.

6. The portable rebar tying machine for bridge rebar nets of claim 4, wherein: the rotating connecting part comprises a bearing arranged in a through hole of the connecting part, one side of an inner wheel of the bearing is provided with a rotating rod used for connecting the driven bevel gear and the inner wheel of the bearing, and the other side of the inner wheel of the bearing is connected with the bundling part.