CN108222829B

CN108222829B - Single-person-operated mobile pit digger

Info

Publication number: CN108222829B
Application number: CN201711288818.8A
Authority: CN
Inventors: 姜春林
Original assignee: Zhuhai Qiaoli Forestry Technology Co ltd
Current assignee: Zhuhai Qiaoli Forestry Technology Co ltd
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2024-04-09
Anticipated expiration: 2037-12-07
Also published as: CN108222829A

Abstract

The utility model discloses a single-person-operated mobile pit digger, which comprises a frame, an engine, a speed reducer and a drill bit, wherein the bottom of the frame is provided with a plurality of positioning cones, the positioning cones are divided into a front positioning cone and a rear positioning cone, a wheel assembly is rotatably arranged between the front positioning cone and the rear positioning cone of the frame, a traction handlebar is rotatably arranged at the rear side of the frame, the traction handlebar is connected with the wheel assembly through a linkage lifting device, the wheel assembly comprises at least two wheels, the wheels can rotate between the upper part and the lower part of the positioning cones, and the engine is arranged on a lifting seat and always keeps a vertical state. This earth boring machine is fixed a position safety and stability at the during operation, and when removing, cooperation wheel walking need not the transport, and single can operate, and the wheel is lifted by traction handle when the locating cone supports, and when the wheel was landed, vertical jack-up locating cone guaranteed that the engine remains vertical state throughout and does not topple over and flameout, can continuous operation incessantly when digging a plurality of holes, uses manpower sparingly, safe and reliable improves earth boring efficiency and quality.

Description

Single-person-operated mobile pit digger

Technical Field

The utility model relates to the field of punching and pit digging equipment, in particular to a single-operator mobile pit digger.

Background

The existing pit digger consists of an engine, a speed reducer, a spiral drill bit and a machine base, wherein the engine is generally a gasoline engine and is installed on the machine base and is connected with the speed reducer, an output shaft of the speed reducer is connected with the drill bit, a hand-held handle is arranged on the machine base, the engine sequentially drives the speed reducer and the drill bit to rotate, an operator grasps the hand-held handle to open an accelerator, the drill bit is forced downwards by the gravity action of the engine and the speed reducer or the operator to drill into the ground to implement pit digger, the structure has the following defects that the operator needs to forcefully lift the machine in place before the whole machine construction, secondly, the manpower lifts the machine to limit the weight of the whole machine by manpower, the large pit digs the drill bit, the whole machine is too heavy to operate, therefore, the operation of the large drill bit of the large machine cannot be implemented, and the reverse torque generated by the larger drill bit is too large to overcome by manpower.

The patent number 200920136930.4 discloses a wheel type pit digger, a frame for supporting and positioning the machine and a grabbing nail, wherein the wheel is positioned on one side of the frame, however, the pit digger needs to incline the whole frame when walking, so that the two wheels are singly landed and pushed, the structure has some defects, because a multi-stroke engine can not be obliquely placed in the working process, or the multi-stroke engine is easy to flameout, when serious, the engine is easy to be damaged by pulling a cylinder due to unsmooth oil absorption caused by inclination of the engine oil bottom, the pit digger needs to flameout before transferring, and the engine is started when the next pit is dug, so that the efficiency and the consistency are seriously influenced, a clutch device is not provided, and the safety of a power device such as a crankshaft of the engine can not be ensured when the engine is in operation.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the movable pit digger which can be operated by a single person, and the movable pit digger can ensure that an engine is always in a vertical working state, so that not only is the manpower saved, but also the pit digger is high in pit digger efficiency, safe and stable.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a single operation portable earth boring machine, includes frame, engine, reduction gear and drill bit, and the engine passes through the clutch to be connected with the reduction gear, and the drill bit is installed in reduction gear output shaft below, the frame bottom is equipped with a plurality of locating cones, and the locating cone divide into preceding locating cone and back locating cone, the frame is located and rotates between preceding locating cone and the back locating cone and install the wheel subassembly, and the frame rear side rotates and installs the traction handlebar, the traction handlebar passes through linkage elevating gear and is connected with the wheel subassembly, the wheel subassembly includes two at least wheels, and the wheel can rotate between locating cone top and below, the slip is equipped with the elevating seat that can vertically go up and down in the frame, the engine is installed on the elevating seat and is kept vertical state all the time.

As the improvement of above-mentioned technical scheme, linkage elevating gear includes first connecting rod, first rotation axis, second connecting rod and second rotation axis, first rotation axis and second rotation axis all level set up in the frame, first connecting rod and the equal fixed connection first rotation axis of traction handle, the equal fixed connection second rotation axis of second connecting rod and wheel subassembly, the spout has been seted up along length direction to the second connecting rod, first connecting rod passes through round pin axle or bearing slidable mounting in the spout, and when traction handle upwards rotated, wheel subassembly was lifted, and the frame falls under the effect of dead weight, and the locating cone inserts ground.

As the improvement of above-mentioned technical scheme, install the screens handle on the traction handle, the screens handle is connected with the bayonet lock through the handle lacing wire, the frame rear side extends to be equipped with the backstop position that can cooperate the locking with the bayonet lock, after the screens handle is held tightly, the handle lacing wire pulls the bayonet lock backward for bayonet lock breaks away from with the backstop position, is loosened when the screens handle, bayonet lock self-return.

As an improvement of the technical scheme, the frame comprises at least two vertical guide posts, the lifting seat is erected between the guide posts and sleeved on the guide posts through shaft sleeves or linear bearings, and the lifting seat is pulled up and down through a chain.

As an improvement of the technical scheme, the chain rotates under the action of the driving sprocket and the driven sprocket, the driving sprocket is connected with the turbine speed reducer, and the worm of the turbine speed reducer is provided with the crank.

As the improvement of the technical scheme, the locating cones are four and divided into two front locating cones and two rear locating cones, the bottom of the stand is provided with a supporting frame connected with the four locating cones, and the hollow position of the supporting frame is used for a drill bit to pass through.

As the improvement of above-mentioned technical scheme, the locating cone from top to bottom includes joint, horizontal baffle and conical head in proper order, connect the locking on the carriage, conical head is wide in the upper and lower narrow circular cone form, after the conical head inserts ground completely, horizontal baffle contacts and supports whole frame with ground.

As an improvement of the above technical solution, the wheel assembly includes two wheel frames and two wheels respectively mounted on the wheel frames, and when the wheels are at the bottommost position, the two wheels are respectively located at the left and right sides directly below the engine.

As an improvement of the technical scheme, the engine is a four-stroke engine.

The utility model has the beneficial effects that:

this earth boring machine is equipped with a plurality of locating cones in the frame bottom, can support the location at the during operation, the locating cone is fixed a position around, during the removal, cooperation wheel walking, need not the transport, can operate alone, use manpower sparingly, the wheel subassembly passes through linkage elevating gear and is connected with traction handle, the wheel can rotate between locating cone top and below, the locating cone supports, the wheel is lifted by traction handle, when the wheel lands, vertical jack-up locating cone and whole frame, guarantee that the engine remains vertical state throughout, do not empty and flameout, can continuous operation incessantly when digging a plurality of holes, increase substantially earth boring efficiency and quality, do not frequently start the vexation of engine.

Drawings

The utility model will be further described with reference to the accompanying drawings and specific examples, in which:

FIG. 1 is a side view of an embodiment of the present utility model;

FIG. 2 is a side view of an embodiment of the present utility model after lifting the wheel;

FIG. 3 is a front view of an embodiment of the present utility model;

fig. 4 is a schematic structural view of a positioning cone according to an embodiment of the present utility model.

Detailed Description

Referring to fig. 1 and 2, the single person operated mobile pit digger of the present utility model comprises a frame 1, an engine 2, a speed reducer 3 and a drill bit 4, in this embodiment, the engine 2 is a four-stroke engine, horsepower is sufficient, drilling is efficient, the engine 2 is connected with the speed reducer 3 through a clutch, the drill bit 4 is installed below an output shaft of the speed reducer 3, a plurality of positioning cones 5 are arranged at the bottom of the frame 1, in this embodiment, four positioning cones 5 are arranged to form four corners and are divided into two front positioning cones 51 and two rear positioning cones 52, a supporting frame 21 for connecting the four positioning cones 5 is arranged at the bottom of the frame 1, and the drill bit 4 passes through the hollow position of the supporting frame 21.

Referring further to fig. 4, the locating cone 5 sequentially comprises a joint 501, a horizontal baffle 502 and a cone head 503 from top to bottom, the joint 501 is locked on the supporting frame 21, the cone head 503 is conical with wide top and narrow bottom, and when the cone head 503 is completely inserted into the ground, the horizontal baffle 502 contacts with the ground and supports the whole frame 1, so that the frame 1 is prevented from vibrating and tilting, the drill bit 4 is prevented from reversely swinging due to reverse torsion, and stable drilling of the drill bit 4 is ensured.

In order to facilitate movement, a wheel assembly 6 is rotatably mounted between a front positioning cone 51 and a rear positioning cone 52, a traction handlebar 7 is rotatably mounted on the rear side of the frame 1, the traction handlebar 7 is connected with the wheel assembly 6 through a linkage lifting device 8, as shown in fig. 2, the linkage lifting device 8 comprises a first connecting rod 81, a first rotating shaft 82, a second connecting rod 83 and a second rotating shaft 84, the first rotating shaft 82 and the second rotating shaft 84 are horizontally arranged on the frame 1, the first connecting rod 81 and the traction handlebar 7 are fixedly connected with the first rotating shaft 82, the second connecting rod 83 and the wheel assembly 6 are fixedly connected with the second rotating shaft 84, a chute 85 is formed in the second connecting rod 83 along the length direction, the first connecting rod 81 is slidably mounted in the chute 85 through a pin 86 or a bearing, in this embodiment, when the traction handlebar 7 rotates upwards, the wheel assembly 6 is lifted, the frame falls under the action of dead weight, and the positioning cone is inserted into the ground; when the traction handle 7 rotates downwards, the wheel assembly 6 lands and vertically jacks up the locating cone 5.

For conveniently locking the wheel assembly 6, install screens handle 10 on the traction handle 7, screens handle 10 is connected with bayonet lock 12 through handle lacing wire 11, frame 1 rear side extends and is equipped with the backstop position 13 that can cooperate the locking with bayonet lock 12, after screens handle 10 is held tightly, handle lacing wire 11 pulls bayonet lock 12 backward for bayonet lock 12 breaks away from with backstop position 13, is equipped with reset spring on the bayonet lock, is released when the screens handle, and the bayonet lock is self-return under reset spring's effect, convenient operation.

As shown in fig. 3, the wheel assembly 6 includes at least two wheels 61, in this embodiment, the wheel assembly 6 includes two wheel frames 62 and two wheels 61 respectively mounted on the wheel frames 62, the wheels 61 can rotate between above and below the positioning cone 5, when the wheels 61 are at the bottommost position, the two wheels 61 are respectively located at the left and right sides under the engine 2, the lifting seat 9 capable of lifting vertically is slidably disposed on the frame 1, and the engine 2 is mounted on the lifting seat 9 and always keeps in a vertical state, does not topple over and does not flameout, can continuously work and is uninterrupted when a plurality of pits are dug, and the pit digging efficiency is improved.

In addition, as shown in fig. 1 and 3, the frame 1 includes at least two vertical guide posts 14, the lifting seat 9 is erected between the guide posts 14 and is sleeved on the guide posts 14 through a shaft sleeve 15 or a linear bearing, the shaft sleeve 15 is selected and used in this embodiment, the lifting seat 9 is pulled up and down through a chain 16, the chain 16 rotates under the action of a driving sprocket 17 and a plurality of driven sprockets 18, the driving sprocket 17 is connected with a turbine reducer 19, a crank 20 is arranged on a worm of the turbine reducer 19, thereby controlling the lifting seat 9 to move up and down, further realizing the drilling of a drill bit 4, the drill bit 4 rotates at a high speed under the action of an engine 2, and a hole is drilled on the ground, after the hole drilling is completed, the drill bit 4 is lifted, the engine 2 enters an idling state, a clutch is in a separated state under the idling state, the drill bit 4 is kept not rotated, a traction handle 7 is put down and locked, wheels 61 are linked to the ground, and then the positioning cone 5 is pushed up by the traction handle 7, the machine is driven to a next position, the engine 2 is always in a vertical state, the engine 2 is not tilted down, the engine is not required to be pushed down, the engine is still is pushed up by the traction handle 7, the engine is not to be pushed up by the idle speed 4, the engine is well is easy, the engine is well is pushed by a person, the operator can be well can finish the operation by a person, and the operation of a high operator can finish the operation due to the high speed, and the high speed can be well by the well, and can be well has high speed and can be well by a high speed and has high speed and can be easily and well by a high speed.

The present utility model is not limited to the above embodiments, but is intended to be within the scope of the present utility model as long as the technical effects of the present utility model can be achieved by any same or similar means.

Claims

1. The utility model provides a single operation portable earth boring machine, includes frame, engine, reduction gear and drill bit, and the engine passes through the clutch to be connected with the reduction gear, and the drill bit is installed in reduction gear output shaft below, its characterized in that: the frame bottom is equipped with a plurality of locating cones, and the locating cone divide into preceding locating cone and back locating cone, the frame is located and rotates between preceding locating cone and the back locating cone and install the wheel subassembly, the frame rear side rotates and installs the traction handlebar, the traction handlebar passes through linkage elevating gear and is connected with the wheel subassembly, the wheel subassembly includes two at least wheels, and the wheel can rotate between locating cone top and below, the slip is equipped with the elevating socket that can vertically go up and down in the frame, the engine is installed on the elevating socket and remains vertical state throughout, linkage elevating gear includes first connecting rod, first rotation axis, second connecting rod and second rotation axis, first rotation axis and second rotation axis all level set up in the frame, first connecting rod and the equal fixed connection first rotation axis of traction handlebar, the equal fixed connection second rotation axis of second connecting rod and wheel subassembly, the spout has been seted up along length direction to the second connecting rod, first connecting rod passes through round pin axle or bearing sliding mounting in the spout, the wheel subassembly is lifted when traction handlebar is upwards rotated, the effect of dead weight falls down the elevating socket, the bayonet lock is equipped with the stop dog through the handle, the stop joint is equipped with to the handle, the stop joint is passed through to the end-stop, the stop is equipped with to the handle through to the end-stop, the stop is passed through to the end-stop, the end-stop is equipped with to the handle is pulled down to the end-bar, and is pulled down to the end-bar.

2. A single person operated mobile earth boring machine according to claim 1, wherein: the chain rotates under the action of a driving sprocket and a driven sprocket, the driving sprocket is connected with a turbine speed reducer, and a crank is arranged on a worm of the turbine speed reducer.

3. A single person operated mobile earth boring machine according to claim 1, wherein: the locating cones are four and divided into two front locating cones and two rear locating cones, a supporting frame connected with the four locating cones is arranged at the bottom of the frame, and a drill bit penetrates through the hollow position of the supporting frame.

4. A single person operated mobile earth boring machine according to claim 3, wherein: the locating cone sequentially comprises a joint, a horizontal baffle and a cone head from top to bottom, the joint is locked on the supporting frame, the cone head is conical with a wide upper part and a narrow lower part, and when the cone head is completely inserted into the ground, the horizontal baffle is in contact with the ground and supports the whole frame.

5. A single person operated mobile earth boring machine according to claim 1, wherein: the wheel assembly comprises two wheel frames and two wheels which are respectively arranged on the wheel frames, and when the wheels are positioned at the bottommost position, the two wheels are respectively positioned at the left side and the right side right below the engine.

6. A single person operated mobile earth boring machine according to claim 1, wherein: the engine is a four-stroke engine.