CN111136199A

CN111136199A - A hand-held hydraulic cylinder steel bar bending device

Info

Publication number: CN111136199A
Application number: CN202010159980.5A
Authority: CN
Inventors: 王明; 宋昌统
Original assignee: Zhenjiang College
Current assignee: Zhenjiang College
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-05-12

Abstract

The invention discloses a hand-held hydraulic cylinder steel bar bending device, which relates to the technical field of steel bar bending. rod, the hydraulic telescopic rod penetrates through the top of the upper casing, the end of the hydraulic telescopic rod inside the upper casing is fixedly installed with a connecting plate, the bottom of the connecting plate is fixedly installed with a buffer, and the buffer is fixed by the buffer It is composed of a spring and a buffer rod, and a connecting pipe is fixedly installed on the right side of the hydraulic telescopic rod. The hand-held hydraulic cylinder steel bar bending device achieves the purpose of protecting the steel bar and the semicircular groove by installing a buffer between the connecting plate and the fixed block, thereby prolonging the service life of the steel bar bending device. The fitting arrangement between the tube, the handle and the anti-skid sleeve facilitates the hand-holding of the steel bar bending device.

Description

Handheld pneumatic cylinder reinforcing bar bending apparatus

Technical Field

The invention relates to the technical field of steel bar bending, in particular to a handheld hydraulic cylinder steel bar bending device.

Background

The handheld hydraulic steel bar bender is driven by a hydraulic system, and is small in size, light in weight and simple and convenient to operate, two persons can finish bending operation on cast-in-place steel bars, the traditional bending method needs to be manually bent and needs to be welded in advance, compared with the prior art, the handheld bender is more labor-saving, the precision is guaranteed, the labor intensity of workers is reduced, the safety factor is greatly improved, the working efficiency is improved, but the conventional steel bar bender directly presses and holds the steel bars to be bent when the steel bars are bent, so that the loss and the damage of the device are easily caused, the service life of the steel bar bending device is shortened, and meanwhile, the steel bars of the conventional steel bar bending device are easily dropped when the steel bars are bent.

Disclosure of Invention

The invention aims to provide a reinforcing steel bar bending device of a handheld hydraulic cylinder, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hand-held hydraulic cylinder steel bar bending device comprises a lower shell, an upper shell is movably arranged at the top of the lower shell, the top of the upper shell is fixedly provided with a hydraulic telescopic rod which penetrates through the top of the upper shell, one end of the hydraulic telescopic rod, which is positioned in the upper shell, is fixedly provided with a connecting plate, the bottom of the connecting plate is fixedly provided with a buffer, the buffer is composed of a buffer spring and a buffer rod, the right side of the hydraulic telescopic rod is fixedly provided with a connecting pipe, the front and the back of the lower shell are both fixedly provided with mounting blocks, the top of each mounting block is fixedly provided with a screw rod, the front and the back of the upper shell are both fixedly provided with connecting blocks, the connecting blocks are provided with through holes, the screw rod is kept away from one end through connection piece of installation piece, the one end of screw rod through connection piece is passed through the nut and is fixed.

Preferably, the inner bottom wall of the lower shell is fixedly provided with a bending block, and the left side and the right side of the lower shell are both provided with rectangular holes.

Preferably, the buffer is provided in a plurality, and the plurality of buffers are distributed in a rectangular array.

Preferably, the buffer spring is sleeved on the buffer rod, and the buffer rod is of an elastic telescopic structure.

Preferably, the bottom of the buffer is fixedly provided with a fixed block, and the bottom of the fixed block is provided with a semicircular groove.

Preferably, the top of the hydraulic telescopic rod is fixedly provided with a handheld handle, and the inner side of the handheld handle is fixedly provided with an anti-skid protective layer.

Preferably, the right side of the connecting pipe is provided with a handle in a threaded manner, and the handle is sleeved with an anti-slip sleeve.

Compared with the prior art, the invention has the beneficial effects that:

(1) this handheld pneumatic cylinder bending device, through installation buffer between connecting plate and fixed block, reached the purpose of protection reinforcing bar and half slot to prolonged bending device's life, set up through the cooperation between anti-skidding protective layer, handheld handle, connecting pipe, handle and the antiskid cover, thereby made things convenient for handheld to bending device.

(2) This handheld pneumatic cylinder bending device, through the cooperation setting between installation piece, screw rod, connecting block and the nut to having made things convenient for the installation and the dismantlement of casing and last casing down, having solved the problem that leads to the unable steel bar bending device to take off after the reinforcing bar is bent, through putting the reinforcing bar and crooked in casing and the last casing down, solved the problem that the reinforcing bar drops easily among the traditional steel bar bending device.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

FIG. 3 is a left side view of the present invention.

Fig. 4 is a schematic perspective view of the handle of the present invention.

In the figure: 1. a lower housing; 2. a bending block; 3. an upper housing; 4. a buffer; 5. a hydraulic telescopic rod; 6. an anti-slip protective layer; 7. a handle; 8. a connecting pipe; 9. a handle; 10. an anti-slip sleeve; 11. a connecting plate; 12. a fixed block; 13. a semicircular groove; 14. a buffer spring; 15. a buffer rod; 16. a rectangular hole; 17. mounting blocks; 18. a screw; 19. connecting blocks; 20. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: a hand-held hydraulic cylinder steel bar bending device comprises a lower shell 1, wherein a bending block 2 is fixedly arranged on the inner bottom wall of the lower shell 1, rectangular holes 16 are formed in the left side and the right side of the lower shell 1, an upper shell 3 is movably arranged at the top of the lower shell 1, steel bars are placed in the lower shell 1 and the upper shell 3 for bending, the problem that the steel bars are easy to fall off in the traditional steel bar bending device is solved, a hydraulic telescopic rod 5 is fixedly arranged at the top of the upper shell 3, the hydraulic telescopic rod 5 penetrates through the top of the upper shell 3, a connecting plate 11 is fixedly arranged at one end of the hydraulic telescopic rod 5, which is positioned in the upper shell 3, buffers 4 are fixedly arranged at the bottom of the connecting plate 11, the buffers 4 are arranged in a plurality, the buffers 4 are distributed in a rectangular array, the buffers 4 are composed of buffer springs 14 and buffer rods 15, the buffer springs 14 are sleeved on the buffer rods 15, the bottom of the buffer 4 is fixedly provided with a fixed block 12, the bottom of the fixed block 12 is provided with a semicircular groove 13, the buffer 4 is arranged between a connecting plate 11 and the fixed block 12, the purpose of protecting the reinforcing steel bars and the semicircular groove 13 is achieved, the service life of the reinforcing steel bar bending device is prolonged, the top of the hydraulic telescopic rod 5 is fixedly provided with a handheld handle 7, the inner side of the handheld handle 7 is fixedly provided with an anti-slip protective layer 6, the right side of the hydraulic telescopic rod 5 is fixedly provided with a connecting pipe 8, the right side of the connecting pipe 8 is provided with a handle 9 in a threaded manner, the handle 9 is sleeved with an anti-slip sleeve 10, the anti-slip protective layer 6, the handheld handle 7, the connecting pipe 8, the handle 9 and the anti-slip sleeve 10 are matched, so that the reinforcing steel bar bending device is conveniently held, the front and the back of the lower shell 1, go up the equal fixed mounting in front and the back of casing 3 and have connecting block 19, the through-hole has been seted up on connecting block 19, screw rod 18 keeps away from the one end through connection piece 19 of installation piece 17, screw rod 18 through connection piece 19's one end is passed through nut 20 and is fixed, through installation piece 17, screw rod 18, cooperation setting between connecting block 19 and the nut 20, thereby made things convenient for the installation and the dismantlement of casing 1 and last casing 3 down, solved the reinforcing bar and bent the problem that the back leads to reinforcing bar bending apparatus can't take off.

The working principle is as follows: when using this angle bending apparatus, the fixed connection of casing 1 and last casing 3 under the determination, then hand handle 7 and handle 9 through handing the angle bending apparatus and hold, make the reinforcing bar pass through casing 1 down through rectangular hole 16 after that, when confirming the position of reinforcing bar bending, start hydraulic telescoping rod 5 and carry out the bending to the reinforcing bar, if the device can't take off after the crooked reinforcing bar, accessible dismantlement nut 20 makes casing 1 and last casing 3 separate down, then take off the device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handheld pneumatic cylinder angle bending device, includes casing (1) down, its characterized in that: the top movable mounting of casing (1) has last casing (3) down, the top fixed mounting of going up casing (3) has hydraulic telescoping rod (5), hydraulic telescoping rod (5) run through the top of last casing (3), the one end fixed mounting that hydraulic telescoping rod (5) are located casing (3) inside has connecting plate (11), the bottom fixed mounting of connecting plate (11) has buffer (4), buffer (4) comprise buffer spring (14) and buffer beam (15), the right side fixed mounting of hydraulic telescoping rod (5) has connecting pipe (8), the equal fixed mounting in front and the back of casing (1) has installation piece (17) down, the top fixed mounting of installation piece (17) has screw rod (18), the equal fixed mounting in front and the back of going up casing (3) has connecting block (19), the through-hole has been seted up on connecting block (19), one end of the screw rod (18) far away from the mounting block (17) penetrates through the connecting block (19), and one end of the screw rod (18) penetrating through the connecting block (19) is fixed through the screw cap (20).

2. A hand-held, hydraulic-cylinder, rebar bending apparatus according to claim 1, wherein: the inner bottom wall of the lower shell (1) is fixedly provided with a bending block (2), and rectangular holes (16) are formed in the left side and the right side of the lower shell (1).

3. A hand-held, hydraulic-cylinder, rebar bending apparatus according to claim 1, wherein: the buffer (4) is arranged in a plurality, and the plurality of buffers (4) are distributed in a rectangular array.

4. A hand-held, hydraulic-cylinder, rebar bending apparatus according to claim 1, wherein: the buffer spring (14) is sleeved on the buffer rod (15), and the buffer rod (15) is of an elastic telescopic structure.

5. A hand-held, hydraulic-cylinder, rebar bending apparatus according to claim 1, wherein: the bottom of buffer (4) is fixed with fixed block (12), semicircular groove (13) have been seted up to the bottom of fixed block (12).

6. A hand-held, hydraulic-cylinder, rebar bending apparatus according to claim 1, wherein: the top fixed mounting of hydraulic telescoping rod (5) has handheld handle (7), the inboard fixed mounting of handheld handle (7) has anti-skidding protective layer (6).

7. A hand-held, hydraulic-cylinder, rebar bending apparatus according to claim 1, wherein: the right side screw thread of connecting pipe (8) is installed handle (9), cup jointed antiskid cover (10) on handle (9).