Piston type lawn perforating machine

Abstract

The utility model belongs to the field of lawn mowers, and provides a piston type lawn perforating machine which comprises a main body rack, a handrail mechanism, a walking mechanism, a crankshaft mechanism, a perforating connecting rod, a perforating cutter, an engine and a belt wheel transmission mechanism, a turning plate with a through hole is arranged below the crankshaft mechanism, and a pull ring on the turning plate is provided with a lifting pull wire. The side face of the turning plate is provided with a tensioning rotating arm and a tensioning pull wire which are in shaft connection with the turning plate, and one end of the tensioning pull wire is provided with a hand brake. According to the utility model, the engine drives the belt wheel transmission mechanism to drive the crankshaft mechanism to work, so that the punching efficiency of the crankshaft mechanism and the punching cutter can be effectively ensured; the power transmitted to the crankshaft mechanism can be controlled to be effectively transmitted and disconnected by manually controlling the hand brake, the tensioning stay wire and the tensioning rotating arm; the angle of the turning plate can be controlled by manually controlling the lifting pull wire, the angle and the ground clearance of the punching tool can be conveniently adjusted, the design is reasonable, the punching efficiency is high, practicability is high, and the punching device is suitable for large-scale popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the turf field relates to turf puncher, especially in a piston type turf puncher. BACKGROUND

[0002] Because the surface of turf forms the dense canopy, and the dead grass layer on the surface will hinder the water into the soil. The turf puncher is punched in order to increase the soil permeability and water permeability, can help the plant better absorption of nutrients, cut off the root beneficial to the new root growth. According to the movement mode of punch cutter, turf puncher can be divided into two kinds of rolling type and vertical type.

[0003] The prior art patent CN107787618A discloses a kind of municipal turf repair hand-push type puncher, belongs to municipal engineering equipment field, including puncher and handrail device;The puncher includes transverse plate, antiskid wheel, frame body, crankshaft, connecting rod neck, bottom plate, punch needle, shaft sleeve, connecting rod, sliding groove and sliding block;The top of frame body is provided with transverse plate, and crankshaft is horizontally arranged in the inside of frame body, and the both ends of crankshaft are connected with frame body by bearing;The lower part of shaft sleeve is hingedly connected with connecting rod, and the lower end of connecting rod is hingedly connected on bottom plate;The lower surface of bottom plate is provided with a plurality of punch needles;The left and right ends of bottom plate are provided with sliding block, and the lower side wall of frame body is provided with sliding groove matched with sliding block;The first split rod and the second split rod are connected by elastic connecting device.This puncher drives cutter by crankshaft to continuously punch in the mode of piston movement, but the crankshaft lacks direct power equipment, and relies on the walking of antiskid wheel to drive, once the place of hard soil appears, antiskid wheel will stop and not go forward, and then affect the actual turf puncher operation progress. UTILITY MODEL CONTENTS

[0004] The utility model discloses in view of the technical problem of above-mentioned turf puncher, propose a kind of piston type turf puncher with reasonable design, simple structure, higher punching efficiency and stronger practicality.

[0005] In order to achieve the above object, the utility model provides a piston type lawn perforating machine, including main body frame, the main body frame is provided with the supporting mechanism and walking mechanism, the inside of main body frame is provided with crank mechanism, the crank mechanism is provided with punch connecting rod, punch connecting rod is provided with punch tool, the inside of main body frame is provided with engine, the power output end of engine is provided with pulley transmission mechanism, pulley transmission mechanism is connected with crank mechanism, the both ends of crank mechanism are provided with with seat bearing, with seat bearing is set up on main body frame, the below of crank mechanism is provided with the flap that is hinged with the inner wall of main body frame, the flap is provided with multiple through -holes that punch connecting rod is inserted into, the flap is provided with pull ring in the position close to the middle, pull ring is provided with the lifting pull line that is connected with supporting mechanism, the side of flap is provided with the tensioning swing arm that is connected with it, the side of tensioning swing arm is connected with main body frame, the end of tensioning swing arm away from flap is provided with tensioning pull line, the end of tensioning pull line away from tensioning swing arm is provided with hand brake, hand brake is set up on supporting mechanism.

[0006] As preferred, the end of the lifting pull line is provided with a hook, the supporting mechanism is provided with a hook rack, and the hook rack cooperates with the hook.

[0007] As preferred, the hand brake comprises a handle rotationally connected with the supporting mechanism, the handle is provided with a pull handle at the waist, and the pull handle is connected with the tensioning pull line through a spring.

[0008] As preferred, the crank mechanism comprises a crankshaft and a plurality of joint bearings, and the joint bearings are connected with the punch connecting rod.

[0009] As preferred, the pulley transmission mechanism comprises a driving pulley connected with the power output end of the engine, the driving pulley is provided with a tensioning pulley and a crank pulley on the transmission side, and the driving pulley, the tensioning pulley and the crank pulley are connected through a belt.

[0010] As preferred, the punch tool comprises a pipe cutter, and the side of the pipe cutter is provided with an earth outlet hole.

[0011] As preferred, the main body frame is provided with fixed slotted square tubes on both sides, the fixed slotted square tubes are inserted into both ends of the supporting mechanism, the fixed slotted square tubes are provided with pin shafts for connecting the fixed slotted square tubes with the supporting mechanism, the supporting mechanism is provided with movable square tubes movably nested with the fixed slotted square tubes, and the supporting mechanism is provided with limiting plates matched with the movable square tubes.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1. The piston type lawn perforator provided by the utility model, which is driven by an engine driving pulley transmission mechanism to drive the crankshaft mechanism to work, can effectively guarantee the rotation efficiency of the crankshaft mechanism, improve the perforation efficiency of the perforation cutter connected with the crankshaft mechanism, and reduce the influence of the walking resistance of the walking mechanism on the perforation efficiency; the tensioning performance of the pulley transmission mechanism can be controlled through manual control of the hand brake, the tensioning pull wire and the tensioning swing arm, so as to guarantee that the pulley transmission mechanism can effectively transmit and disconnect the power to the crankshaft mechanism; the angle of the flap can be controlled through manual control of the lifting pull wire, which is beneficial to adjusting the angle and ground clearance of the perforation cutter. The device is reasonable in design, simple in structure, high in perforation efficiency and strong in practicability, and is suitable for large-scale promotion. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0015] Figure 1 It is an exploded view of the piston type lawn perforator provided by the embodiment;

[0016] Figure 2 It is an axonometric view of the piston type lawn perforator provided by the embodiment;

[0017] Figure 3 It is an axonometric view of the crankshaft mechanism provided by the embodiment;

[0018] Figure 4 It is an exploded view of the pulley transmission mechanism provided by the embodiment;

[0019] Figure 5 It is an axonometric view of the perforation cutter provided by the embodiment;

[0020] In the above drawings, 1, main body frame; 2, supporting mechanism; 3, walking mechanism; 4, crankshaft mechanism; 41, crankshaft; 42, joint bearing; 5, perforation connecting rod; 6, perforation cutter; 61, pipe cutter; 62, soil outlet hole; 7, engine; 8, pulley transmission mechanism; 81, driving pulley; 82, tensioning pulley; 83, crank pulley; 84, belt; 9, belt seat bearing; 10, flap; 101, through hole; 102, pull ring; 11, lifting pull wire; 12, tensioning swing arm; 13, tensioning pull wire; 14, hand brake; 141, handle; 142, pull handle; 143, spring; 15, hook; 16, hook frame; 17, fixed slotted square tube; 18, pin shaft; 19, movable square tube; 20, limiting plate. DETAILED DESCRIPTION

[0021] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be described in further detail below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict. For the convenience of description, the following text appears "up", "down", "left", "right" only indicates the same direction as the upper, lower, left and right of the drawings, and does not limit the structure.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from the description, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0023] Embodiments, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 The present application provides a piston type lawn puncher, which comprises a main frame 1, a supporting mechanism 2 and a walking mechanism 3 are arranged on the main frame 1, a crank mechanism 4 is arranged in the main frame 1, a punch connecting rod 5 is arranged on the crank mechanism 4, and a punch cutter 6 is arranged on the punch connecting rod 5. Among them, the main support, the supporting mechanism 2 and the walking mechanism 3 are the supporting parts of the whole machine; the tire is the direct contact part of the walking mechanism 3 with the ground. The crank mechanism 4 comprises a crank 41 and a plurality of joint bearings 42, the joint bearings 42 are connected with the punch connecting rod 5, and the punch connecting rod 5 can always keep the existing punching direction under the connecting action of the joint bearings 42 in the continuous rotation process of the crank 41, so as to ensure the punching performance of the punch cutter 6 in the advancing process of the puncher. The supporting mechanism 2, the walking mechanism 3, the punch connecting rod 5 and the punch cutter 6 are prior art, which will not be described here.

[0024] On this basis, the utility model discloses the inside setting of engine 7 in main body frame 1, engine 7 is as output power, is equipped with reduction gear, and the power output end of engine 7 is the output shaft of reduction gear, and the transmission direction of this output shaft is provided with pulley drive mechanism 8, and pulley drive mechanism 8 is transmission connection with crank mechanism 4, and both ends of crank mechanism 4 are provided with band seat bearing 9, and band seat bearing 9 is set up on main body frame 1, and the below of crank mechanism 4 is provided with flap 10 articulated with the inner wall of main body frame 1, and flap 10 is provided with multiple through -holes 101 with punch connecting rod 5 interpenetration cooperation, and flap 10 is provided with pull ring 102 close to the position of the middle, and pull ring 102 is provided with lifting pull line 11 connected with supporting hand mechanism 2, and the side of flap 10 is provided with tensioning swing arm 12 with its axle joint, and the side of tensioning swing arm 12 is with main body frame 1 axle joint, and the end of tensioning swing arm 12 away from flap 10 is provided with tensioning pull line 13, and the end of tensioning pull line 13 away from tensioning swing arm 12 is provided with hand brake 14, and hand brake 14 is set up on supporting hand mechanism 2. Among them, flap 10 adopts polyurethane material, and the quality is light, and the strength is high, and the wear resistance is better, plays the supporting and spacing effect, and also is convenient for manual lifting control.

[0025] Specifically, the utility model discloses engine 7 as power source, drive pulley drive mechanism 8 to drive crank mechanism 4 to work by engine 7, can effectively guarantee the rotation efficiency of crank mechanism 4, and improve the punching efficiency of crank mechanism 4 and punch cutter 6, reduce the influence of walking mechanism 3 walking resistance on punching efficiency. Further, the actual length of tensioning pull line 13 and tensioning swing arm 12 to the top of supporting hand mechanism 2 can be controlled by manually operating hand brake 14, when tensioning pull line 13 and tensioning swing arm 12 move towards the top of supporting hand mechanism 2 when tensioning hand brake 14, and tensioning swing arm 12 produces plane motion around its axle joint node with main body frame 1, on the one hand, flap 10 moves towards the back and overturns a certain angle, together with punch cutter 6 keeps a certain height from the ground, on the other hand, the actual angle of tensioning arm can control the tensioning performance of pulley drive mechanism 8, to ensure that pulley drive mechanism 8 can effectively transmit and disconnect the power to crank mechanism 4. The angle of flap 10 can be controlled by manually operating lifting pull line 11, and the height of punch cutter 6 from the ground is adjusted by cooperating with tensioning swing arm 12, such as loosening lifting pull line 11, punch cutter 6 overturns to contact the ground, and the continuous rotation of crank mechanism 4 can drive punch cutter 6 to carry out punching operation. The device is reasonable in design, simple in structure, high in punching efficiency and strong in practicality, and is suitable for large-scale promotion.

[0026] In order to improve the cooperation performance of the lifting pull wire 11 and the supporting frame 2, the utility model discloses a hook frame 16 is arranged on the supporting frame 2, the hook frame 16 includes a cross bar, a ladder frame with multiple cross bars is arranged on the cross bar, the end of the lifting pull wire 11 is provided with a pull hook 15, the pull hook 15 can be hooked and matched with the cross bar and the cross bar on the ladder frame, so that the controllability of the end position of the lifting pull wire 11 can be effectively guaranteed, and the actual angle relationship between the lifting pull wire 11 and the turning plate 10 is also convenient to control.

[0027] In order to improve the practicability of the hand brake 14, the utility model provides the hand brake 14 includes the handle 141 with the supporting frame 2 rotation cooperation, the handle 141's waist part is provided with the pull handle 142, and the pull handle 142 is connected with the tensioning pull wire 13 through the spring 143. The handle 141 is rotationally matched with the cross bar on the supporting frame 2, the pull handle 142 extends from the waist part of the handle 141, and the tensioning pull wire 13 is established with the handle 141 by the spring 143 Control relationship. The lifting position of the tensioning pull wire 13 can be controlled by manually overturning the hand brake 14, and the connecting relationship between the pull handle 142 and the handle 141 actually lengthens the adjustable range of the tensioning pull wire 13, which is favorable to improve the tensioning degree of the tensioning wheel and the belt 84 in the transmission state.

[0028] Further, the utility model provides the pulley transmission mechanism 8 includes the driving pulley 81 that is connected with the power output end of engine 7, and the transmission side of driving pulley 81 is provided with tensioning pulley 82 and crank pulley 83, and driving pulley 81, tensioning pulley 82 and crank pulley 83 are drivenly connected through belt 84, and tensioning pulley 82 is arranged at one end of tensioning swing arm 12, and crank pulley 83 is arranged at the journal position of crank. The spatial transmission relationship is established by driving pulley 81, tensioning pulley 82, crank pulley 83 and belt 84, under the driving action of tensioning swing arm 12 to tensioning pulley 82, the tensioning degree of belt 84 and other several pulleys can be controlled, the transmission path of power to crank pulley 83 is disconnected under the condition that the tensioning degree is relatively loose, and the power is connected to crank pulley 83 under the condition that the tensioning degree is moderate or relatively tight, thereby realizing the rotary drive of crank mechanism 4.

[0029] In order to improve the punching efficiency of the equipment, the utility model provides the punching tool 6 includes the pipe cutter 61, and the side of the pipe cutter 61 is provided with the soil outlet hole 62. The continuous rotation of the crank mechanism 4 can punch the punching tool 6 into the soil, which will appear the phenomenon of picking up soil, can meet the growth needs of soil plants, and better complete the punching work of soil. The end of the punching tool 6 and the punching connecting rod 5 adopt a threaded fastening mode, the actual working length of the punching tool 6 can be adjusted to lengthen and shorten within a certain range, so the punching depth can be adjusted according to the actual situation.

[0030] In order to improve the practicability of the device, from the space aspect, the utility model discloses a fixed slot square tube 17 is arranged on the both sides of the main body frame 1, the fixed slot square tube 17 is inserted with the both ends of the hand supporting mechanism 2, the fixed slot square tube 17 is provided with the pin shaft 18 for the hand supporting mechanism 2 of the handover fixed slot square tube, the hand supporting mechanism 2 is provided with the movable square tube 19 of the movable nesting of fixed slot square tube, the hand supporting mechanism 2 is provided with the limiting plate 20 of cooperation with movable square tube. When the device is in working condition, the both ends of the hand supporting mechanism 2 are connected with the fixed slot square tube 17 through the pin shaft 18, the movable square tube 19 is sleeved on the hand supporting mechanism 2 and the fixed slot square tube 17, and the downward position of the movable square tube 19 is positioned by the limiting plate 20, so that the hand supporting mechanism 2 can be prevented from overturning, and the reliability of the hand supporting mechanism 2 in the advancing process of the device is ensured. Further, when the device is in packing or not in use, the movable square tube 19 on the hand supporting mechanism 2 slides upward and separates from the fixed slot square tube 17, the hand supporting mechanism 2 can rotate around the center of the pin shaft 18 and be placed on the main body frame 1, folding is realized, and a large amount of space is saved.

[0031] The above is only the preferred embodiment of the utility model, and is not other forms of the limitation of the utility model, and any skilled person in the art can change or modify the equivalent embodiment of equivalent change by using the disclosed technical content to be applied to other fields, but any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the protection scope of the utility model technical scheme without departing from the utility model technical scheme content.

Claims

1. A piston-type lawn hole puncher, comprising a main body frame, a supporting mechanism and a walking mechanism are arranged on the main body frame, a crankshaft mechanism is arranged in the main body frame, a punching connecting rod is arranged on the crankshaft mechanism, and a punching cutter is arranged on the punching connecting rod, characterized in that, The inside of the main frame is provided with an engine, the power output end of the engine is provided with a pulley transmission mechanism, the pulley transmission mechanism is in transmission connection with a crank mechanism, both ends of the crank mechanism are provided with a bearing seat, the bearing seat is arranged on the main frame, the lower part of the crank mechanism is provided with a flap hinged to the inner wall of the main frame, the flap is provided with a plurality of through holes matched with the punching connecting rod, the flap is provided with a pull ring near the middle, the pull ring is provided with a lifting pull line connected with the supporting mechanism, the side of the flap is provided with a tensioning rotating arm hinged thereto, the side of the tensioning rotating arm is hinged to the main frame, the end of the tensioning rotating arm away from the flap is provided with a tensioning pull line, the end of the tensioning pull line away from the tensioning rotating arm is provided with a hand brake, and the hand brake is arranged on the supporting mechanism.

2. A piston driven hole punch as defined in claim 1 wherein, The end of the lifting pull line is provided with a pull hook, the supporting mechanism is provided with a hook rack, and the hook rack is matched with the pull hook.

3. A piston driven hole punch as defined in claim 2 wherein, The hand brake comprises a handle in rotational cooperation with the supporting mechanism, the waist of the handle is provided with a pull handle, and the pull handle is connected with the tensioning pull line through a spring.

4. A piston driven hole cutter according to claim 3 wherein, The crank mechanism comprises a crankshaft and a plurality of joint bearings, and the joint bearings are connected with the punching connecting rod.

5. A piston driven hole cutter according to claim 4 wherein, The pulley transmission mechanism comprises a driving pulley connected with the power output end of the engine, the transmission side of the driving pulley is provided with a tensioning pulley and a crank pulley, and the driving pulley, the tensioning pulley and the crank pulley are connected through a belt transmission.

6. A piston driven hole cutter according to claim 1 wherein, The punching tool comprises a pipe cutter, and the side of the pipe cutter is provided with an earth outlet hole.

7. A piston driven hole punch as defined in claim 1 wherein, Both sides of the main frame are provided with fixed slotted square tubes, the fixed slotted square tubes are inserted into both ends of the supporting mechanism, the fixed slotted square tubes are provided with pin shafts for connecting the fixed slotted square tubes and the supporting mechanism, the supporting mechanism is provided with movable square tubes movably nested with the fixed slotted square tubes, and the supporting mechanism is provided with limiting plates matched with the movable square tubes.

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