CN113700313A

CN113700313A - Automatic return bend grafting equipment of green house steel pipe skeleton

Info

Publication number: CN113700313A
Application number: CN202110850542.8A
Authority: CN
Inventors: 丁友伟; 张朝阳; 姜海林; 王华玲; 陈飞; 刘刚; 曲会鑫; 王亮; 毛帅澎; 赵炎波
Original assignee: Huaiyin Institute of Technology
Current assignee: Huaiyin Institute of Technology
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-11-26
Anticipated expiration: 2041-07-27
Also published as: CN113700313B

Abstract

The invention discloses automatic elbow splicing equipment for an agricultural greenhouse steel pipe framework, which comprises an elbow mechanism, wherein the elbow mechanism comprises a supporting plate and angle limit stops, the supporting plate is an obtuse-angle triangular frame, the top end of the supporting plate is provided with two limit stops, two sides of the supporting plate are provided with groove type slideways, rollers B are fixedly arranged in the groove type slideways, the other side of each track is provided with a fixed roller A, the middle end of the supporting plate is provided with a hydraulic cylinder a, and the front end of a telescopic rod of the hydraulic cylinder a is a semicircular arc push rod. The pipe bending, punching and inserting integrated machine is simple in conveying, low in cost and high in automation.

Description

Automatic return bend grafting equipment of green house steel pipe skeleton

Technical Field

The invention relates to a greenhouse steel pipe framework, in particular to automatic elbow inserting equipment for an agricultural greenhouse steel pipe framework.

Background

China has wide regions and complicated climate, and the greenhouse can be used for planting vegetables, flowers, fruits and other crops to effectively cope with the climate difference of different regions. Meanwhile, the pressure of transportation of 'south-to-north adjustment' can be relieved, the passive situation that the varieties of vegetables in the high and cold regions are single, the high-season is in late sale and the low-season is in short supply in the past is broken through, the income of crops in the north region is greatly improved, and the method becomes an important way for farmers to get rid of poverty and become rich. With the excellent social effect and obvious economic benefit of greenhouse planting, the greenhouse planting area is continuously expanded.

The greenhouse is mainly constructed by laying a steel frame main body and a plastic film in an auxiliary mode, and the traditional greenhouse framework mainly takes purchased arc steel pipes with certain bending degrees as a greenhouse framework. One group of large-sized vehicles need to be transported to the field and then are manually loaded and unloaded, the large-sized vehicles are arranged in the field at a certain interval distance, more than two persons are matched and inserted between the ridges of the field which are perforated in advance, a large amount of manpower is consumed, the inserting quality and efficiency are low, and great loss is caused to manpower and material resources. The height of the inserted framework can not be ensured to be unfavorable for the subsequent film covering.

Disclosure of Invention

The automatic elbow inserting equipment for the steel pipe framework of the agricultural greenhouse, provided by the invention, is simple to transport, low in cost and high in automation, and integrates elbow, punching and inserting into a whole.

The technical scheme disclosed by the invention is as follows: an automatic elbow splicing device for an agricultural greenhouse steel pipe framework comprises an elbow mechanism, a support plate and angle limit stops, wherein the support plate is an obtuse triangular frame, the top end of the support plate is provided with two limit stops, two sides of the support plate are provided with groove-shaped slideways, rollers B are fixedly arranged in the groove-shaped slideways, fixed rollers A are arranged on the other side of a track, a hydraulic cylinder a is arranged at the middle end of the support plate, the front end of a telescopic rod of the hydraulic cylinder a is a semicircular push rod,

the support plate is fixed on the rotary table, the rotary table is rotatably arranged on the lifting table, the bottom side of the lifting table is fixedly connected with a slide block, the slide block is slidably arranged on a slide rail fixedly connected with the plate car, a driving mechanism for driving the lifting table to lift is fixedly arranged on the plate car, screw rod through holes are arranged on two sides of the lifting table, the screw rod is inserted in the screw rod channel and is rotatably connected with the lifting table, the screw rod comprises a first screw rod and a second screw rod, one end of the first screw rod is fixedly connected with a gear a, the gear a is connected with a gear I on a screw rod motor through a chain a, a gear II on the screw rod motor is connected with a gear B fixed on the second screw rod through a chain b, a thread block is in threaded connection with the first and second screw rods, the thread block is slidably connected on the inner wall of the screw rod channel, a connecting rod is hinged on the thread block, the other end of the connecting rod is hinged with a hinge seat on the side edge of the hinge plate, the hinge seat on the side edge of the hinge plate is arranged in the accommodating groove, the tail end of the hinge plate block is rotatably connected with the lifting platform through a cylindrical pin, one end of the hinge plate block, which is opposite to the cylindrical pin, is provided with a hydraulic cylinder b, a hydraulic telescopic rod of the hydraulic cylinder b is fixedly connected with a connector, the connector is fixedly connected with an L plate block, the L plate block is provided with a hydraulic cylinder c, a clamping jaw is arranged on the hydraulic telescopic rod of the hydraulic cylinder c,

and a steel pipe conveying mechanism for conveying the steel pipe to the pipe bending mechanism is fixedly arranged on the upper end surface of the lifting platform.

On the basis of the scheme, the supporting plate is preferably of a hollow frame type structure, and the included angle between the two limit stops is 130 degrees.

On the basis of the scheme, as preferred, have the bayonet socket on the revolving stage, the backup pad card is in the bayonet socket and through the bolt fastening on the revolving stage, stretch and descend the platform and be a concave template, actuating mechanism is including setting up the U type notch at elevating platform both ends, U type notch goes out rigid coupling screw thread seat, screw rod one, two threaded connection screw thread seats of screw rod, actuating mechanism still includes drive screw rod one, two pivoted motors of screw rod.

On the basis of the above scheme, preferably, the rotating platform is fixedly connected with a gear C, the gear C is in transmission connection with a gear d, the gear d is fixedly connected with a toothed bar, and the toothed bar is in transmission connection with a driving motor.

On the basis of the scheme, the steel pipe conveying mechanism preferably comprises a guardrail, a supporting rod, a stop block, a rotating shaft, a sliding box body and a telescopic plate, the sliding box body is fixedly connected with the upper end of the lifting platform through the mounting seat, the supporting rod is a concave gradient supporting frame body, the guardrail covers the supporting rod, a gap with the diameter of a straight pipe being less than 2 times is reserved at the tail ends of the guardrail and the supporting rod, a rotating shaft is extended from the tail end of the supporting rod, two stop blocks are fixedly connected to the rotating shaft, a telescopic plate block is arranged inside the sliding box body, when a straight pipe is pulled down on the sliding box body, the telescopic plate reciprocates up and down until the straight pipe is pushed to the highest point and falls down along the slope of the sliding box body, and falls on the rocker claw, the front end of the rocker arm claw is provided with a claw-shaped groove, the rear end of the rocker arm claw is fixedly connected with a rocker arm motor, the rocker arm motor is fixed on the lifting platform, and the straight pipe is conveyed to the pipe bending mechanism at the upper end through the rotation of the motor.

On the basis of the scheme, preferably, punching mechanisms for punching the pipeline are installed on two sides of the bottom of the plate trailer.

On the basis of the scheme, the punching mechanism preferably comprises a gear box, the gear box is fixedly connected to two sides of the plate turning machine, and a transmission shaft of the gear box is in eccentric transmission connection with a turbine drill shaft.

On the basis of the scheme, as preferred, the transmission shaft of the gear box is a short shaft, an end shaft is fixedly connected to one end of a straight plate, the other end of the straight plate is fixedly connected with a motor I, the straight plate is fixedly connected with two guide pipes, a motor transmission is connected with a short screw rod, the short screw rod is in threaded connection with a convex block, the two guide pipes are in sliding connection with the convex block, a motor II is arranged on the convex block, and the motor II is in transmission connection with the turbine drill shaft.

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

1. the straight pipe is adopted for transportation, so that the transportation process is more convenient and safer;

2. the field operation of adopting trailer wooden handcart grafting mode, convenient dismantlement and dragging are used.

3. The punching and splicing integrated operation of the bent pipe effectively improves the working efficiency and splicing quality of the greenhouse operation;

4. the portable frame structure and reasonable mechanism cooperation enable the equipment to obtain high achievement benefit at extremely low cost.

Drawings

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

FIG. 2 is a schematic view of the trailer of FIG. 1 with the trailer removed;

FIG. 3 is a schematic structural view of the steel pipe transfer mechanism;

FIG. 4 is a schematic view of a transmission configuration;

FIG. 5 is a schematic diagram of a borehole configuration;

FIG. 6 is a schematic view of a clamping mechanism;

FIG. 7 is a schematic view of a rotary lift table;

FIG. 8 is a schematic view of the elbow mechanism;

fig. 9 is a schematic view of the working arm deployment structure.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them, the arrows indicating the feed direction.

As shown in fig. 1-9, the pipe bending machine comprises a pipe bending mechanism 1, a steel pipe conveying mechanism 2, a trailer 3, a clamping mechanism 4, a lifting platform mechanism 5, a punching mechanism 6 and a plate trailer 7.

The pipe bending mechanism comprises a support plate 102 and angle limit stops 107, the support plate 102 is of a hollow frame structure and is an approximate obtuse-angle triangular frame, the top end of the support plate is provided with two 130-degree angle limit stops 107, two sides of the support plate are provided with groove type slide ways 109, a roller B105 embedded in each groove type slide way 109 can slide back and forth in the slide way, a fixed roller A103 is arranged on the other side of each rail, a rail is formed between each roller A and each roller B, and the middle end of the support plate 102 is provided with a push rod 108 of which the front end of a telescopic rod of a hydraulic cylinder a104 is a semicircular arc.

The supporting plate 102 is clamped on a bayonet 501 on a rotating table 502 installed on the extension and lowering table 504, the extension and lowering table 504 is composed of a concave plate, two ends of the extension and lowering table are provided with U-shaped groove openings which are respectively connected with a second screw rod 505 and a first screw rod 503, the U-shaped groove openings are fixedly connected with a threaded seat 516, the screw rods are in threaded connection and fixed at the U-shaped groove openings with the threaded seat 516, a sliding block 510 is fixedly connected to the bottom side of the extension and lowering table 504 and is slidably installed on a sliding rail 511 fixedly connected with the plate trailer 7, and the second screw rod 505 and the first screw rod 503 are in motor linkage to enable the extension and lowering table 504 to form a vertical movement effect on the sliding rail 511 through the fixedly connected threaded seat 516.

The rotating table 502 is internally composed of a gear C507, a belt 509 and a gear d 515. The gear d515 is inserted into a gear rod 508, and when the gear rod 508 is driven by the motor to rotate, the gear d515 transmits power to the gear c507 through the pulley, so that the rotating platform 502 is rotated.

The two sides of the extension and descent table 504 are provided with screw rod through holes, the screw rod 406 is inserted in the screw rod through a screw rod channel 513, the screw rod is composed of a first screw rod and a second screw rod, the first screw rod and the second screw rod are symmetrically arranged, for example, one screw rod is connected with a gear a409 which is connected with a gear a 415 on a motor 411 through a chain a410, a gear two 412 on the motor 411 is connected with a gear b412 through a chain b414, when the motor 411 rotates, the two screw rods 406 can be simultaneously driven to rotate, the screw rod 406 is in threaded connection with a thread block 408, the thread block 408 is in sliding connection with the inner wall of the screw rod channel 513, and when the screw rod rotates, the thread block 408 moves back and forth along the inner wall of the screw rod channel 513.

The thread block 408 is provided with a hinge mounting seat which is rotatably connected with a connecting rod 407, the other end of the connecting rod 407 is connected with a hinge seat at the side edge of the hinge plate block 403, and the hinge seat at the side edge of the hinge plate block 403 is arranged in the storage notch 418. The end of the hinge plate 403 is rotatably connected to a hinge base 512 on the side of the landing platform 504 through a cylindrical pin 413.

When the screw block 408 moves forward, the connecting rod 407 is unfolded from the receiving slot 418 to push the hinge plate 403 to form a certain included angle with the pallet 7, and the maximum angle is more than 90 °. The other side of the hinge plate 403 is provided with a hydraulic cylinder b401, a connecting joint 417 is fixedly connected to the hydraulic telescopic rod, the connecting joint 417 is fixedly connected to an L plate 404, and the L plate 404 is provided with a hydraulic cylinder c405 which is provided with a claw 402 on the hydraulic telescopic rod of the hydraulic cylinder c406 and is used for clamping the bent formed steel pipe 101.

The steel pipe transport mechanism 2 of an up end rigid coupling of platform 504 that stretches down steel pipe transport mechanism 2 include guardrail 201, bracing piece 202, gear piece 203, rotation axis 204, slip box 205, expansion plate 206, slip box 205 pass through the upper end of mount pad 208 rigid coupling platform 504, guardrail 201 mainly be the protection pile up at the straight steel pipe of bracing piece 202, bracing piece 202 is a concave slope support frame framework and joins in marriage and guardrail 201 deposits once necessary steel pipe quantity, leaves the space that is less than 2 times the straight pipe diameter at guardrail 201 and bracing piece 202's end, makes things convenient for the straight pipe to singly flow in proper order, has a rotation axis 204 at bracing piece 202 end extension, and the rigid coupling has two gear pieces to be used for preventing under the straight pipe that rolls on rotation axis 204, can stir a single straight pipe simultaneously again and fall. A telescopic plate 206 is provided inside the sliding box 205, and the sliding box 205 can slide up and down. When a straight pipe is pulled down on the sliding box body 205, the telescopic plate 206 reciprocates up and down until the straight pipe is pushed to the highest point and falls down along the slope 207, and falls down on the rocker claw 514, the front end of the rocker claw 514 is provided with a claw-shaped groove which can clamp the fallen straight pipe, and the straight pipe is conveyed to the pipe bending mechanism 1 at the upper end through the rotation of the motor to perform pipe bending operation.

The concrete operation process is that the trailer 3 and the plate trailer 7 are connected and fixed well and are started just opposite to the ridge direction, the steel pipe conveying mechanism 2 is filled with the required number of steel pipes in the supporting rod 202, at the moment, the lifting platform 504 is at the lowest position, the steel pipes move downwards along the slope, because the gap between the guardrail 201 and the supporting rod 202 flows out through one steel pipe at the next time, all the falling steel pipes are sequentially arranged under the action of the retaining block 203 at the front end of the supporting rod 202, at the moment, the rotating shaft 204 rotates to utilize the retaining block 203 to stir one steel pipe, in the continuous up-and-down movement of the expansion plate 206, the steel pipe is pushed to the highest point to fall along the slope 207 and fall on the rocker arm claw 514, at the moment, the rocker arm claw 514 is upwards lifted under the driving of the motor, the steel pipe is clamped between the roller A105 and the roller B103, the rocker arm claw 514 returns to the original position, the motor drives the screw rod I503 and the screw rod II 505 to lift the lifting platform 504 to a certain height, the rotating platform 502 also rotates 90 degrees under the action of the gear C507, the steel pipes clamped on the supporting plate 102 are bent at the moment, the rollers B105 on the two sides of the supporting plate 102 start to move downwards along the notch under the action of the driving mechanism, the two sides of the steel pipes are compressed to be approximately 90 degrees of radian through the fixed rollers A103, meanwhile, the hydraulic cylinders 104 also run simultaneously, and the top ends of the steel pipes are pushed upwards to the two-angle limit stops 107, so that the steel pipes form a radian framework structure required by greenhouse building. After the pipe bending is finished, the punching mechanisms 6 on two sides of the bottom of the plate trolley 7 start to move, the punching mechanisms 6 are fixedly connected with two sides of the plate trolley 7 through gear boxes 601, short shafts 602 extending out of the gear boxes are connected with straight plates 604, the tail ends of the straight plates 604 are connected with a motor I603, two guide pipes 605 are fixedly connected on the straight plates, the motor I603 is connected with a short screw rod 606, the two guide pipes 605 and the short screw rod 606 are connected on a convex block 608, the front end of the convex block 608 is provided with a second motor 607, the lower end of the second motor 607 is connected with a turbine drill shaft 609, after the pipe bending is completed, the gear box 601 drives the short shaft 602 to rotate so that the straight plate 604 forms an angle of about 90 degrees with the vehicle body when being unfolded and seen, at the moment, the first motor 603 and the second motor 607 move simultaneously, the first motor 603 drives the short screw rod 606 to rotate the convex block 608 to press and extend downwards along the guide pipe 605, the turbine drill shaft 609 rotates at a high speed to drill a hole, the drilled convex block 608 is lifted, and the turbine drill shaft 609 is far away from the ground straight plate 604 and is contracted at two sides of the plate trailer 7 under the rotation of the gear box 601 stepping motor. At the moment, the clamping mechanism 4 is unfolded under the action of the screw rod 406, the hydraulic cylinder c405 extends out at a position which is about 90 degrees with the plate trailer 7, meanwhile, the claws 402 open and clamp the bent formed steel pipe 101, the formed steel pipe 101 is separated from the roller shaft A103 and the roller shaft B105 by rotating outwards for a certain angle, and the push rod 108 returns to the original position at the moment. And a hydraulic cylinder b401 is arranged after the clamping, and is pressed downwards to be inserted into the drilled hole to complete the inserting task. After the insertion is completed, the rotating platform 502 returns to the original position, so that the pipe bending mechanism and the vehicle are in the initial state of being parallel to each other, the lifting platform 504 descends to the original position again, and the vehicle body moves forwards to perform the second insertion task with the steel pipe.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An automatic elbow splicing device for an agricultural greenhouse steel pipe framework is characterized by comprising an elbow mechanism, a support plate and an angle limit stop block, wherein the support plate is an obtuse-angle triangular frame, the top end of the support plate is provided with two limit stop blocks, two sides of the support plate are provided with groove-shaped slideways, rollers B are fixedly arranged in the groove-shaped slideways, the other side of a track is provided with a fixed roller A, the middle end of the support plate is provided with a hydraulic cylinder a, the front end of a telescopic rod of the hydraulic cylinder a is a semicircular push rod,

2. An automatic elbow pipe inserting device for an agricultural greenhouse steel pipe framework as claimed in claim 1, wherein the supporting plate is of a hollow frame structure, and the included angle between the two limit stoppers is 130 degrees.

3. The automatic elbow plugging device for the steel pipe framework of the agricultural greenhouse as claimed in claim 1, wherein the rotary table is provided with a bayonet, the support plate is clamped in the bayonet and fixed on the rotary table through bolts, the lifting table is a concave plate, the driving mechanism comprises a U-shaped notch arranged at two ends of the lifting table, a fixed threaded seat is arranged at the U-shaped notch, a first screw rod and a second screw rod are connected with the threaded seat in a threaded manner, and the driving mechanism further comprises a motor for driving the first screw rod and the second screw rod to rotate.

4. The automatic elbow plugging device for the steel pipe framework of the agricultural greenhouse as claimed in claim 1, wherein the rotating platform is fixedly connected with a gear C, the gear C is in transmission connection with a gear d, the gear d is fixedly connected with a rack bar, and the rack bar is in transmission connection with a driving motor.

5. The automatic elbow splicing device for the steel pipe framework of the agricultural greenhouse as claimed in claim 1, wherein the steel pipe conveying mechanism comprises a guardrail, a support rod, a stop block, a rotating shaft, a sliding box body and a telescopic plate, the sliding box body is fixedly connected with the upper end of the lifting platform through a mounting seat, the support rod is a concave gradient support frame body, the guardrail covers the support rod, a gap with the diameter of a straight pipe less than 2 times is reserved at the tail ends of the guardrail and the support rod, the rotating shaft extends from the tail end of the support rod, the two stop blocks are fixedly connected to the rotating shaft, a telescopic plate block is arranged inside the sliding box body, when the straight pipe is pulled down on the sliding box body, the telescopic plate block moves up and down in a reciprocating manner until the straight pipe is pushed to the highest point and falls down along the slope of the sliding box body and falls on the rocker claw, the front end of the rocker claw is provided with a claw-shaped groove, the rear end of the rocker claw is fixedly connected with a rocker motor, the rocker motor is fixed on the lifting platform, the straight pipe is conveyed to the pipe bending mechanism at the upper end through the rotation of the motor.

6. An automatic elbow plugging device for an agricultural greenhouse steel pipe skeleton as claimed in claim 1, wherein punching mechanisms for punching the pipeline are installed at both sides of the bottom of the plate trailer.

7. The automatic elbow plugging device for the steel pipe framework of the agricultural greenhouse as claimed in claim 6, wherein the punching mechanism comprises a gear box, the gear box is fixedly connected to two sides of the plate trailer, and a transmission shaft of the gear box is eccentrically and drivingly connected with a turbine drill shaft.

8. An automatic pipe bending and splicing device for an agricultural greenhouse steel pipe framework, as claimed in claim 7, wherein the transmission shaft of the gear box is a short shaft, the end shaft is fixedly connected to one end of a straight plate, the other end of the straight plate is fixedly connected with a first motor, two guide pipes are fixedly connected to the straight plate, a motor transmission is connected with a short screw rod, the short screw rod is in threaded connection with a convex block, the two guide pipes are in sliding connection with the convex block, a second motor is mounted on the convex block, and the second motor is in transmission connection with a turbine drill shaft.