CN211564127U

CN211564127U - Hydraulic pipe bender for constructional engineering

Info

Publication number: CN211564127U
Application number: CN202020032537.7U
Authority: CN
Inventors: 付守新
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-09-25
Anticipated expiration: 2030-01-07

Abstract

The utility model relates to the technical field of hydraulic pipe bending machines, and discloses a hydraulic pipe bending machine for building engineering, which comprises a frame, a fixed wheel and a rotating wheel, wherein a hydraulic oil cylinder is arranged on the frame, the cylinder body of the hydraulic oil cylinder is connected with a fixed seat, the piston rod of the hydraulic oil cylinder is connected with a connecting rod, the cylinder body of the hydraulic oil cylinder is connected with the fixed seat, a chute is arranged on the connecting rod, a first rotating shaft of the rotating wheel is arranged in the chute in a sliding way, the bottom end of the rotating wheel is in contact connection with the top end of the connecting rod, a through hole is arranged on the connecting rod, a second rotating shaft of the fixed wheel passes through the through hole to be in rotational connection with the connecting rod, the bottom end of the fixed wheel is in contact connection with the top end of the connecting rod, the hydraulic pipe bending machine also comprises a support plate, a limit seat, the pipe bending angle is limited through the limiting wheel, batch production is carried out, and the working efficiency is improved.

Description

Hydraulic pipe bender for constructional engineering

Technical Field

The utility model relates to a hydraulic pressure bending machine technical field specifically is a hydraulic pressure bending machine for building engineering.

Background

As is well known, a hydraulic pipe bender for construction engineering is a device for bending a pipe into an arc shape, and is generally used for bending by using a driving force of a hydraulic cylinder, and is widely used in the field of hydraulic pipe benders.

Through retrieval, the utility model with chinese patent publication No. CN207592501U discloses a hydraulic pipe bending machine, which comprises a frame, a fixed wheel and a rotating wheel, wherein a hydraulic cylinder is arranged on the frame, a piston rod of the hydraulic cylinder is connected with a connecting rod, a chute is arranged on the connecting rod, a first rotating shaft of the rotating wheel is arranged in the chute, and the bottom end of the fixed wheel is rotatably connected with the top end of the connecting rod; when the bending machine is used, a processing pipe is placed between the fixed wheel and the rotating wheel, the rotating wheel is moved in the sliding groove until the processing pipe is attached to the processing pipe, the fixed sheet fixes the rotating wheel, the hydraulic oil cylinder pushes the piston rod, the connecting rod rotates around the fixed wheel, the rotating wheel presses the processing pipe to rotate around the fixed wheel, and the bending processing pipe is completed.

The existing hydraulic pipe bender for construction engineering finds that the angle of a bent pipe cannot be controlled in the pipe machining process, the working efficiency is low, a hydraulic oil cylinder generates friction with a frame in work and abrades the hydraulic oil cylinder, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a hydraulic pressure bending machine for building engineering can carry on spacingly by the angle of fifty percent discount return bend, and the processing pipe of processing same angle can carry out batch production, has improved machining efficiency, has certain distance and avoids having the friction between hydraulic cylinder and the frame to damage hydraulic cylinder between support hydraulic cylinder and the frame, has improved the life-span of using.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic pipe bender for construction engineering comprises a frame, a fixed wheel and a rotating wheel, wherein a hydraulic oil cylinder is arranged on the frame, a fixed seat is connected with a cylinder body of the hydraulic oil cylinder, a connecting rod is connected with a piston rod of the hydraulic oil cylinder, a chute is arranged on the connecting rod, a first rotating shaft of the rotating wheel is arranged in the chute in a sliding manner, the bottom end of the rotating wheel is in contact connection with the top end of the connecting rod, a through hole is arranged on the connecting rod, a second rotating shaft of the fixed wheel penetrates through the through hole to be in rotary connection with the connecting rod, the bottom end of the fixed wheel is in contact connection with the top end of the connecting rod, the hydraulic pipe bender further comprises a supporting plate, a limiting seat, a clamping seat, an idler wheel and a first nut, the bottom end of the supporting plate is connected with the top end of the second rotating shaft of the fixed wheel, the top, spacing taking turns to and be provided with spacing axle, and spacing axle one end is provided with first dovetail, and the spacing axle other end is equipped with first screw thread, spacing seat is provided with first dovetail to spacing seat is established in the outside of first dovetail through first dovetail slip cap, first nut is in the top of spacing wheel and the spiral shell dress is in on the first screw thread of spacing axle, the bottom of cassette is connected with the top middle part rear side of frame, and the top of cassette is equipped with the card wheel, the top of gyro wheel is connected with the lower extreme of connecting rod, and the gyro wheel bottom is pressed on the top of frame.

Preferably, the frame includes oil tank and toolbox, the left side at the frame lower extreme is connected to the toolbox, the oil tank is connected on the lower extreme right side of frame to the inside oil pump that is provided with of oil tank.

Preferably, the heights of the supporting plate, the clamping seat and the roller are equal.

Preferably, the height of the clamping seat is equal to the sum of the heights of the supporting plate and the connecting rod.

Preferably, the hydraulic oil cylinder is provided with a first oil pipe and a second oil pipe, and the first oil pipe and the second oil pipe are respectively connected with the oil pump.

Preferably, the bottom end of the frame is provided with universal wheels.

Preferably, the clamping device further comprises a second nut, a clamping shaft is arranged on the clamping wheel, a second dovetail pin is arranged at one end of the clamping shaft, a second thread is arranged at the other end of the clamping shaft, a second dovetail groove is arranged on the clamping seat, the clamping seat is sleeved outside the second dovetail pin through the second dovetail groove in a sliding mode, and the second nut is arranged above the clamping wheel and is screwed on the second thread of the clamping shaft.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydraulic pressure bending machine for building engineering possesses following beneficial effect:

1. this hydraulic pipe bender for building engineering carries out spacingly through spacing wheel pair connecting rod rotation, carries out batch production to the processing pipe of same angle, improves work efficiency.

2. This hydraulic pipe bender for building engineering, the one end of being connected through gyro wheel support link and hydraulic cylinder's piston rod makes gapped between hydraulic cylinder and the frame to roll through the gyro wheel and rotate in the frame, prevent that hydraulic cylinder and frame friction from damaging, prolong hydraulic cylinder's life.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of the connection of the limiting seat, the limiting shaft and the limiting wheel of the present invention;

fig. 4 is a schematic structural view of the connection of the clamping seat, the clamping wheel, the clamping shaft and the like of the present invention.

In the figure: 1. a frame; 2. a fixed wheel; 3. a rotating wheel; 4. a hydraulic cylinder; 5. a fixed seat; 6. a connecting rod; 7. a chute; 8. a first rotating shaft; 9. a second rotating shaft; 10. a support plate; 11. a limiting seat; 12. a card holder; 13. a roller; 14. a first nut; 15. a limiting wheel; 16. a limiting shaft; 17. a first dovetail pin; 18. a first dovetail groove; 19. clamping the wheel; 20. an oil tank; 21. a tool box; 22. a first oil pipe; 23. a second oil pipe; 24. a universal wheel; 25. a second nut; 26. clamping a shaft; 27. a second dovetail pin; 28. and a second dovetail groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a hydraulic pipe bender for construction engineering comprises a frame 1, a fixed wheel 2 and a rotating wheel 3, wherein a hydraulic cylinder 4 is arranged on the frame 1, a fixed seat 5 is connected to the cylinder body of the hydraulic cylinder 4, a connecting rod 6 is connected to the piston rod of the hydraulic cylinder 4, a chute 7 is arranged on the connecting rod 6, a first rotating shaft 8 of the rotating wheel 3 is slidably arranged in the chute 7, the bottom end of the rotating wheel 3 is in contact connection with the top end of the connecting rod 6, a through hole is arranged on the connecting rod 6, a second rotating shaft 9 of the fixed wheel 2 passes through the through hole to be rotatably connected with the connecting rod 6, the bottom end of the fixed wheel 2 is in contact connection with the top end of the connecting rod 6, the hydraulic pipe bender further comprises a support plate 10, a limit seat 11, a clamping seat 12, a roller 13 and a first nut 14, the bottom end of the support plate, the top end of the supporting plate 10 is also contacted with the bottom end of the connecting rod 6, the bottom end of the limiting seat 11 is connected with the front side of the middle part of the top end of the rack 1, a limiting wheel 15 is arranged on the limiting seat 11, a limiting shaft 16 is arranged on the limiting wheel 15, one end of the limiting shaft 16 is provided with a first dovetail pin 17, the other end of the limiting shaft 16 is provided with a first thread, the limiting seat 11 is provided with a first dovetail groove 18, the limiting seat 11 is sleeved outside the first dovetail pin 17 in a sliding mode through the first dovetail groove 18, the first nut 14 is arranged above the limiting wheel 15 and is screwed on the first thread of the limiting shaft 16, the bottom end of the clamping seat 12 is connected with the rear side of the middle part of the top end of the rack 1, the top end of the clamping seat 12 is provided with a clamping wheel 19, the top end of the roller 13 is connected with the lower end of the connecting rod 6, the bottom end of the roller 13, carry out batch production to the processing pipe of same angle, improve work efficiency, support the one end that connecting rod 6 and hydraulic cylinder 4's piston rod are connected through gyro wheel 13, make gapped between hydraulic cylinder 4 and the frame 1 to roll through gyro wheel 13 and rotate on frame 1, prevent that hydraulic cylinder 4 and frame 1 from rubbing the damage, prolong hydraulic cylinder 4's life.

It should be further noted that the rack 1 includes an oil tank 20 and a tool box 21, the tool box 21 is connected to the left side of the lower end of the rack 1, the oil tank 20 is connected to the right side of the lower end of the rack 1, an oil pump is arranged inside the oil tank 20 to facilitate storage of tools, the heights of the support plate 10, the cassette 12 and the roller 13 are equal, the height of the cassette 12 is equal to the sum of the heights of the support plate 10 and the connecting rod 6 to ensure that the machined pipe is kept horizontal during machining, the hydraulic cylinder 4 is provided with a first oil pipe 22 and a second oil pipe 23, the first oil pipe 22 and the second oil pipe 23 are respectively connected with the electric oil pump, oil feeding and returning of the first oil pipe 22 and the second oil pipe 23 are controlled by the oil pump to control movement of a piston rod of the hydraulic cylinder 4, a universal wheel 24 is arranged at the bottom end of the rack 1 to facilitate movement of the rack, and one end of the clamping shaft 26 is provided with a second dovetail pin 27, the other end of the clamping shaft 26 is provided with a second thread, the clamping seat 12 is provided with a second dovetail groove 28, the clamping seat 12 is sleeved outside the second dovetail pin 27 in a sliding manner through the second dovetail groove 28, the second nut 25 is arranged above the clamping wheel 19 and is screwed on the second thread of the clamping shaft 26, the rotation of a person along with the machining of the machining pipe in the reprocessing process is prevented, the labor force is reduced, and the working space is also saved.

To sum up, when the hydraulic pipe bender for the construction engineering is used, firstly, the rack 1 is moved to a proper position, then the processing pipe is placed between the fixed wheel 2 and the rotating wheel 3, the rotating wheel 3 and the clamping wheel 19 are adjusted to be attached to the processing pipe, the oil pump is started to enable the first oil pipe 22 to feed oil and the second oil pipe 23 to return oil, the piston rod is pushed to contract to drive the connecting rod 6 to rotate, the rotating wheel 3 is enabled to extrude the processing pipe to rotate around the fixed wheel 2, the processing pipe is bent, the rotation of the limiting connecting rod 6 is limited through the limiting shaft 16 at the position where the processing pipe accords with the bending angle, and the processing pipes of the same type are produced in batch.

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 hydraulic pipe bender for building engineering, includes frame (1), tight pulley (2) and rotates wheel (3), be equipped with hydraulic cylinder (4) on frame (1), the cylinder body of hydraulic cylinder (4) is connected with fixing base (5), the piston rod of hydraulic cylinder (4) is connected with connecting rod (6), be provided with spout (7) on connecting rod (6), first pivot (8) of rotating wheel (3) slide and set up in spout (7), the bottom of rotating wheel (3) is connected with the top contact of connecting rod (6), be provided with the through-hole on connecting rod (6), second pivot (9) of tight pulley (2) are passed the through-hole and are rotated with connecting rod (6) and are connected, the bottom of tight pulley (2) is connected with the top contact of connecting rod (6), its characterized in that: the device is characterized by further comprising a supporting plate (10), a limiting seat (11), a clamping seat (12), a roller (13) and a first nut (14), wherein the bottom end of the supporting plate (10) is connected with the top end of the rack (1), the top end of the supporting plate (10) is connected with the bottom end of a second rotating shaft (9) of the fixed wheel (2), the top end of the supporting plate (10) is also contacted with the bottom end of the connecting rod (6), the bottom end of the limiting seat (11) is connected with the front side of the middle part of the top end of the rack (1), a limiting wheel (15) is arranged on the limiting seat (11), a limiting shaft (16) is arranged on the limiting wheel (15), a first dovetail pin (17) is arranged at one end of the limiting shaft (16), a first thread is arranged at the other end of the limiting shaft (16), a first dovetail groove (18) is arranged on the limiting seat (11), and the first dovetail groove of the limiting seat (11), the first nut (14) is arranged above the limiting wheel (15) and is screwed on a first thread of the limiting shaft (16), the bottom end of the clamping seat (12) is connected with the rear side of the middle of the top end of the rack (1), a clamping wheel (19) is arranged at the top end of the clamping seat (12), the top end of the roller (13) is connected with the lower end of the connecting rod (6), and the bottom end of the roller (13) is pressed on the top end of the rack (1).

2. The hydraulic pipe bender for constructional engineering according to claim 1, characterized in that: frame (1) includes oil tank (20) and toolbox (21), the left side at frame (1) lower extreme is connected in toolbox (21), the lower extreme right side at frame (1) is connected in oil tank (20) to oil tank (20) inside is provided with the oil pump.

3. The hydraulic pipe bender for constructional engineering according to claim 1, characterized in that: the heights of the supporting plate (10), the clamping seat (12) and the roller (13) are equal.

4. The hydraulic pipe bender for constructional engineering according to claim 1, characterized in that: the height of the clamping seat (12) is equal to the sum of the heights of the supporting plate (10) and the connecting rod (6).

5. The hydraulic pipe bender for constructional engineering according to claim 1, characterized in that: a first oil pipe (22) and a second oil pipe (23) are arranged on the hydraulic oil cylinder (4), and the first oil pipe (22) and the second oil pipe (23) are respectively connected with an oil pump.

6. The hydraulic pipe bender for constructional engineering according to claim 1, characterized in that: the bottom end of the frame (1) is provided with a universal wheel (24).

7. The hydraulic pipe bender for constructional engineering according to claim 1, characterized in that: still include second nut (25), be provided with card axle (26) on calorie wheel (19) to card axle (26) are gone up one end and are provided with second dovetail pin (27), and card axle (26) other end is provided with the second screw thread, be provided with second dovetail (28) on cassette (12), and the second dovetail sliding sleeve of cassette (12) is established in second dovetail pin (27) outside, second nut (25) are on the second screw thread of calorie axle (26) at the top of calorie wheel (19) and spiral shell dress.