CN216218663U - Safety device - Google Patents

Abstract

The utility model discloses a safety device, and belongs to the technical field of garden machinery. It has solved the defect that the condition such as easily leads to the operator to tumble, be injured when the drill bit stops to rotate suddenly that traditional garden machine exists among the prior art. Its major structure includes handling frame and touch pole, be equipped with the manipulation box on the handling frame, the engine, parking switch device and handle, parking switch device includes the touch panel, electronic switch, spacing piece, safety device body and connecting axle, electronic switch passes through the stop line and is connected with the engine, electronic switch and connecting axle are all installed on the safety device body, the lower extreme and the touch pole of connecting axle are connected, the upper end is connected with the touch panel, be equipped with the torsional spring on the connecting axle, the upper end of torsional spring is installed on the pilot hole of touch panel, the lower extreme is installed on the safety device body, spacing piece passes through the fixing base and installs on the safety device body. The utility model is mainly used for garden machines such as ground drills, ice drills, portable earth boring machines, land drilling machines and the like.

Description

Safety device

The technical field is as follows:

the utility model belongs to the technical field of garden machinery, and particularly relates to a safety device.

Background art:

the ground auger, the ice auger, the portable earth boring machine, the drilling machine and the like are widely applied to planting and digging pits of seedling landscaping engineering of slope land, sand land and hard land, such as digging and digging the periphery of a big tree, burying a pile and digging holes in a fence, fertilizing and digging holes for fruit trees and forest trees, fishing in winter and the like. The diameter of the pit of the ground auger, the ice auger, the portable earth boring machine and the floor drilling machine is generally 40-400 mm, the hole diameter of the ground auger, the ice auger, the portable earth boring machine and the floor drilling machine is not less than 80 holes per hour, and 640 holes can be dug according to 8 hours of work per day.

When the drill bits of ground auger, ice auger, portable earth boring machine, rig machine etc. worked, the high-speed high moment of torsion clockwise rotation of drill bit, the drill bit can touch hard stone or root etc. and be difficult for boring the barrier that passes through, leads to the drill bit to stop the rotation suddenly, and the reaction force that the engine continued the operation production this moment can make the quick anticlockwise rotation of control frame part that both hands gripped, causes harm such as tumble injury, bruise to the operator.

The utility model content is as follows:

the utility model aims to overcome the defects of the prior art and provides a safety device which can effectively prevent a touch rod and a touch plate from automatically resetting and further avoid dangerous accidents such as falling, injury and the like of an operator.

In order to realize the purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a safety device, includes handling frame and touching pole, be equipped with manipulation box, engine, parking switch device and handle on the handling frame, the lower extreme at parking switch device is installed to the touching pole, parking switch device includes touch panel, electronic switch, spacing piece, safety device body and connecting axle, electronic switch passes through the stop line and is connected with the engine, and electronic switch and connecting axle are all installed on the safety device body, and the lower extreme and the touching pole of connecting axle are connected, and the upper end is connected with the touch panel, are equipped with the torsional spring on the connecting axle, and install on the pilot hole of touch panel the upper end of torsional spring, and the lower extreme is installed on the safety device body, and spacing piece passes through the fixing base and installs on the safety device body, and spacing piece is located one side of the boss on the touch panel.

Preferably, an upper cover is mounted on an upper end of the safety device body.

Preferably, the connecting shaft is rotatably connected with the safety device body through a retainer ring and a bearing.

Preferably, the lower end of the connecting shaft is fixedly connected with the touch rod through a nut.

Preferably, the upper end of the connecting shaft is fixedly connected with the touch plate through a nut A.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the drill bit meets rocks and tree roots, the drill bit stops rotating suddenly, the engine which stops rotating generates inertia and torque and transmits the inertia and the torque to the operating frame, the operating frame rotates anticlockwise, then the leg part touches the touch rod, the touch rod rotates to drive the touch plate to rotate, the electronic switch is touched to be switched on, and the torque is transmitted to an ignition system chip program through a stop line, so that the engine is rapidly decelerated, the emergency brake is realized, and the occurrence of dangerous accidents such as falling, injury and the like of an operator is avoided;

2. in order to prevent the touch rod and the touch plate from automatically resetting, a limiting piece is added, and the limiting piece can effectively prevent the touch rod and the touch plate from automatically resetting, so that dangerous accidents such as falling, injury and the like of an operator are further avoided;

3. the utility model can be widely applied to ground drills, ice drills, portable earth excavators and floor drilling machines, and has wide application range.

Description of the drawings:

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

FIG. 2 is an exploded view of the parking switch assembly of the present invention;

FIG. 3 is a first schematic structural diagram of the parking switch device according to the present invention;

FIG. 4 is a second schematic structural view of the parking switch device of the present invention;

fig. 5 is an exploded view of the wiring of the present invention.

In the figure: 1. a manipulation box; 2. a console; 3. an engine; 4. a stop line; 5. a parking switch device; 6. a handle; 7. a touch lever; 8. an ignition system chip program; 51. an upper cover; 52. a touch pad; 53. a torsion spring; 54. an electronic switch; 55. a retainer ring; 56. a limiting sheet; 57. a bearing; 58. a safety device body; 59. a connecting shaft; 510. a nut; 511. an assembly hole; 512. a fixed seat; 513. a boss; 514. and a nut A.

The specific implementation mode is as follows:

the utility model is further illustrated by the following specific examples in combination with the accompanying drawings.

Example (b):

as shown in fig. 1 to 5, a safety device comprises an operation frame 2 and a touch rod 7, wherein an operation box 1, an engine 3, a parking switch device 5 and a handle 6 are arranged on the operation frame 2, the touch rod 7 is arranged at the lower end of the parking switch device 5, the parking switch device 5 comprises a touch plate 52, an electronic switch 54, a limiting piece 56, a safety device body 58 and a connecting shaft 59, the electronic switch 54 is connected with the engine 3 through a parking line 4, the electronic switch 54 and the connecting shaft 59 are both arranged on the safety device body 58, the lower end of the connecting shaft 59 is connected with the touch rod 7, the upper end of the connecting shaft 59 is connected with the touch plate 52, a torsion spring 53 is arranged on the connecting shaft 59, the upper end of the torsion spring 53 is arranged on an assembly hole 511 of the touch plate 52 and is fixed through a nut 510, the lower end of the torsion spring is arranged on the safety device body 58, the limiting piece 56 is arranged on the safety device body 58 through a fixing seat 512 and a screw, and the stopper piece 56 is located at one side of the boss 513 on the touch plate 52. The connecting shaft 59 can be made of metal or plastic, the torsion spring 53 is made of spring steel or 65Mn, the torsion spring 53 can be made of a tension spring or a compression spring, the limiting piece 56 is made of metal, the handle 6 is a rubber handle, the stop line 4 is respectively connected with the chip program 8 of the internal ignition system of the engine 3 and the parking switch device 5, rapid speed reduction is achieved, and the touch rod 7 is installed at the lower end of the parking switch device 5 and is placed at the position A when not triggered.

When the electronic switch 54 is turned off during non-safe intervention, the touch panel 52 touches the electronic switch 54 during safe intervention, so that the rotating speed is reduced to a safe rotating speed (without flameout), and emergency braking is realized. In order to prevent the touch panel 52 from touching the electronic switch 54 and automatically rebounding by the torsion of the torsion spring 53, in order to prevent the failure of the present invention, a stopper 56 is added to the safety device body 58 to limit the return of the touch panel 52 and the touch rod 7, and manual intervention is required to release the situation.

The upper cover 51 is installed at the upper end of the safety device body 58, the connecting shaft 59 is rotatably connected with the safety device body 58 through the retainer ring 55 and the bearing 57, the lower end of the connecting shaft 59 is fixedly connected with the touch rod 7 through the nut 510, and the upper end of the connecting shaft 59 is fixedly connected with the touch plate 52 through the nut A514.

The working principle of the utility model is as follows:

when the earth auger during operation, the big moment of torsion of rotational speed clockwise rotation in the drill bit, when the drill bit runs into hard stone or tree root etc. and is difficult for when boring the barrier, the drill bit suddenly stops to rotate, and the reaction force that engine 3 continued the operation and produce can make the quick anticlockwise rotation of control frame 2 part that both hands held, causes harm such as tumble injury, bruise to the operator. In the process of reverse rotation, the leg touches the touch rod 7 to rotate from A to B, so that the touch plate 52 in the safety device rotates, and touches the electronic switch 54 to trigger a button, at the moment, the electronic switch 54 is in a switch-on state, and then transmits an electric signal to the ignition system chip program 8 through the stop line 4, so that the rotating speed of the engine 3 is reduced, the engine enters an idle state rapidly, the clutch is separated, power is cut off, the safety purpose is achieved, in order to prevent the touch plate 52 and the touch rod 7 from automatically returning, the limiting plate 56 is added, the automatic returning is prevented, and the dangers that an operator falls down, is injured and the like are avoided.

Claims (5)

1. The utility model provides a safety device, includes handling frame (2) and touching pole (7), be equipped with on handling frame (2) and control box (1), engine (3), parking switch device (5) and handle (6), the lower extreme at parking switch device (5) is installed in touching pole (7), its characterized in that: the parking switch device (5) comprises a touch plate (52), an electronic switch (54), a limiting piece (56), a safety device body (58) and a connecting shaft (59), wherein the electronic switch (54) is connected with an engine (3) through a parking line (4), the electronic switch (54) and the connecting shaft (59) are both installed on the safety device body (58), the lower end of the connecting shaft (59) is connected with a touch rod (7), the upper end of the connecting shaft is connected with the touch plate (52), a torsion spring (53) is arranged on the connecting shaft (59), the upper end of the torsion spring (53) is installed on an assembling hole (511) of the touch plate (52), the lower end of the torsion spring is installed on the safety device body (58), the limiting piece (56) is installed on the safety device body (58) through a fixing seat (512), and the limiting piece (56) is located on one side of a boss (513) on the touch plate (52).

2. The security device of claim 1, wherein: an upper cover (51) is mounted on the upper end of the safety device body (58).

3. A safety arrangement according to claim 1 or 2, wherein: the connecting shaft (59) is rotatably connected with the safety device body (58) through a retainer ring (55) and a bearing (57).

4. A safety arrangement according to claim 3, wherein: the lower end of the connecting shaft (59) is fixedly connected with the touch rod (7) through a nut (510).

5. The security device of claim 4, wherein: the upper end of the connecting shaft (59) is fixedly connected with the touch plate (52) through a nut A (514).

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