CN216634760U

CN216634760U - Hydraulic speed-reducing type spiral variable-cone wood splitting machine

Info

Publication number: CN216634760U
Application number: CN202121924239.XU
Authority: CN
Inventors: 刘军伟
Original assignee: Yantai Shijin Machinery Co ltd
Current assignee: Yantai Shijin Machinery Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-05-31
Anticipated expiration: 2031-08-17

Abstract

The utility model relates to the technical field of wood processing part structures, in particular to a hydraulic speed reduction type spiral variable-cone-head log splitter, which comprises a hydraulic drilling machine and a connecting support, wherein the hydraulic drilling machine drives a spiral drill bit to rotate, the connecting support is arranged on a quick connector of engineering machinery, the connecting support is fixedly connected to the hydraulic drilling machine, the spiral drill head consists of a top cone and a bottom cone, and the angle of the top cone is smaller than that of the bottom cone; hydraulic drill adopts hydraulic motor driven planetary gear mechanism, provides the moment of torsion of the output shaft on the hydraulic drill through planetary gear mechanism speed reduction to this makes auger bit obtain bigger moment of torsion, adopts the auger bit that top cone and end cone are constituteed simultaneously, makes wood break more easily at the wood splitting in-process, improves work efficiency, and can install on excavator, loader, enlarges excavator and loader application range.

Description

Hydraulic speed-reducing type spiral variable-cone wood splitting machine

Technical Field

The utility model relates to the technical field of wood processing part structures, in particular to a hydraulic speed reduction type spiral variable-cone-head log splitter.

Background

At present, most of wood splitting devices are small-sized manual or handheld, and although the wood splitting devices are convenient to carry, the labor intensity of operators is high, the working efficiency is low, and the wood splitting devices are constructed in a wood collecting place. The working performance of the hydraulic cylinder type log splitter is determined according to the size of the hydraulic cylinder, so that the size of the whole machine is large, the weight is heavy, a trailer is required to pull and move, and the transportation is inconvenient; the spiral wood splitting machine is driven by a motor, needs to be used in places with power supplies, and is inconvenient for field operation.

In the prior art, patent CN204367116 provides a spiral cone head wood splitting machine, and its scheme includes: auger bit, drive the rotatory hydraulic drill of auger bit, with hydraulic drill fixed connection's linking bridge, linking bridge can the direct mount on engineering machine tool's quick connector, the inside hydraulic motor that is equipped with of hydraulic drill, the last oil connection that is equipped with of hydraulic motor, the oil connection communicates with each other through pipeline and engineering machine tool's hydraulic pressure oil circuit, it leads to oil to make hydraulic oil pass through oil connection and hydraulic motor and be connected, hydraulic motor converts the oil pressure into mechanical rotation, it rotates to drive auger bit, auger bit stretches into the interior limit of changeing of timber and screws, make timber break, it can swiftly install at the excavator, on the loader, enlarge excavator and loader application range. However, auger bit adopts the drill bit of single cone angle more in the reality, and the phenomenon that wood can't split often in the wood splitting process, and simultaneously, the moment of torsion that hydraulic motor provided is less relatively, can not satisfy the user demand who splits out bold wood, is not convenient for change auger bit simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the existing spiral bit log splitter, and provides a hydraulic speed reduction type spiral variable cone head log splitter, which can provide a spiral bit with larger torque, improves the wood splitting efficiency, and has a simple integral structure in the aspects of installation and disassembly of the spiral bit.

In order to achieve the above object, the present invention provides a hydraulic deceleration type spiral variable cone head log splitter, which comprises: a hydraulic drilling machine driving the spiral drill bit to rotate and a connecting bracket arranged on the quick connector of the engineering machinery, wherein the connecting bracket is fixedly connected on the hydraulic drilling machine,

the spiral bit consists of a top cone and a bottom cone, the angle of the top cone is smaller than that of the bottom cone, and spiral grains are arranged on the outer conical surfaces of the top cone and the bottom cone;

the hydraulic drilling machine is provided with a planetary gear mechanism driven by a hydraulic motor; a planet carrier on the planetary gear mechanism is sequentially connected with a planet gear and an output shaft on the hydraulic drilling machine through a connecting shaft A; and a sun gear on the planetary gear mechanism is fixedly connected with the output end of the hydraulic motor.

Furthermore, a flange and a connecting shaft B are arranged on the connecting support, and the shape, position and size of the connecting shaft B are matched with a quick connector of the engineering machinery;

the hydraulic drilling machine is also provided with a connecting flange which is fixedly connected with the flange in a matching way; the upper end of the connecting flange is fixedly connected with the hydraulic motor, and the lower end of the connecting flange is fixedly connected with the gear ring on the planetary gear mechanism.

Further, the reduction ratio of the planetary gear mechanism is 1: 5.714.

Further, the apex cone angle is set to 26-50 °; the difference between the angle of the bottom cone and the angle of the top cone is a, and a is more than 0 degree and less than or equal to 9 degrees.

Further, the tip cone is detachably connected.

Furthermore, the log splitter is also provided with a shaft sleeve with a mounting flange; the mounting flange is fixedly connected with the bottom cone; the shaft sleeve is fixedly connected with the output shaft through a pin shaft, and the section of the output shaft is circular.

Furthermore, the log splitter provides another scheme for replacing the shaft sleeve with the mounting flange, namely the log splitter is also provided with a quick connecting sleeve with the mounting flange; the mounting flange is fixedly connected with the bottom cone; the quick connecting sleeve is configured to be quickly fixedly connected and detached with the output shaft; the cross section of the output shaft is in a regular hexagon shape.

Further, an arc groove is formed in the output shaft;

the quick connecting sleeve comprises a sleeve, two steel balls, a sliding sleeve and a spring; the sleeve is provided with a through hole which is matched with the steel ball in a sliding way and is concentric with the steel ball; the spring defines an upper end between the sliding sleeve and the sleeve; the inner wall of the sliding sleeve is provided with a groove which is used for the steel ball to slide or roll on the outer surface of the output shaft after being embedded; the inner wall of the sliding sleeve below the groove is used for pressing the steel ball embedded in the arc groove; and a shaft retainer ring used for limiting the sliding sleeve is also arranged above the sleeve.

Compared with the prior art, the utility model has the beneficial effects that: the spiral drill bit is convenient to disassemble and install, the wood splitting efficiency is improved, the whole structure is simple and attractive, and the cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is a schematic structural view of the quick connecting sleeve of the utility model.

Fig. 4 is a disassembled state diagram of the quick connecting sleeve of the utility model.

Fig. 5 is a sectional view a-a of fig. 2.

Wherein: the hydraulic drilling machine comprises a hydraulic drilling machine 1, a spiral drilling bit 2, a connecting support 3, a shaft sleeve 4, a mounting flange 5, a pin shaft 6, a quick connecting sleeve 7, a planetary gear mechanism 11, a hydraulic motor 12, an output shaft 13, a top cone 21, a bottom cone 22, a flange 31, a connecting shaft B32, a connecting sleeve 71, a steel ball 72, a sliding sleeve 73, a spring 74, a retaining ring 75 for a shaft, a connecting shaft A111, a connecting shaft 131, an arc groove and a groove 731.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the utility model provides a hydraulic deceleration type spiral variable-cone-head log splitter, which comprises a hydraulic drill 1 driving a spiral drill 2 to rotate and a connecting support 3 installed on a quick connector of engineering machinery, wherein the connecting support 3 is fixedly connected to the hydraulic drill 1, the spiral drill 2 consists of a top cone 21 and a bottom cone 22, the angle of the top cone 21 is smaller than that of the bottom cone 22, and spiral grains are arranged on the outer conical surfaces of the top cone 21 and the bottom cone 22; the hydraulic drilling machine 1 is provided with a planetary gear mechanism 11 driven by a hydraulic motor 12; the planetary gear mechanism 11 comprises a sun gear, a planet carrier and a gear ring, and is an existing design structure, and connection and movement relations of the planetary gear mechanism are not described again; a planet carrier on the planetary gear mechanism 11 is sequentially connected with a planet gear and an output shaft 13 on the hydraulic drilling machine 1 through a connecting shaft A111; the sun gear on the planetary gear mechanism 11 is fixedly connected with the output end of the hydraulic motor 12; the output shaft 13 is here located below the planet wheels and is connected fast with the connecting shaft a111, so that the output shaft 13 rotates together with the planetary gear 11.

Preferably, the connecting bracket 3 is provided with a flange 31 and a connecting shaft B32, and the shape, position and size of the connecting shaft B32 are matched with a quick connector of the engineering machine; the hydraulic drilling machine 1 is also provided with a connecting flange 14 which is fixedly connected with the flange 31 in a matching way; the upper end of the connecting flange 14 is fixedly connected with the hydraulic motor 12, and the lower end is fixedly connected with a gear ring on the planetary gear mechanism 11.

Preferably, the planetary gear mechanism 11 has a reduction ratio of 1:5.714, whereby the rotational speed is reduced such that the output shaft 13 obtains a torque greater than the torque obtained by using the hydraulic motor 12 alone.

Preferably, the angle of the tip cone 21 is set to 26-50 °; the angle difference value of the bottom cone 22 and the top cone 21 is a, a is more than 0 degrees and less than or equal to 9 degrees, the smooth connection of the top cone 21 and the bottom cone 22 is ensured, meanwhile, the acting force of the spiral drill bit 2 on wood can be increased in the wood splitting process, and the wood splitting machine can split large wood more easily than a single-use tapered spiral drill bit.

Preferably, the top cone 21 can be detachably and fixedly connected with the bottom cone 22 through a shaft and a key on the top cone, so that the cost is saved.

Preferably, the log splitter is also provided with a shaft sleeve 4 with a mounting flange 5; wherein, the mounting flange 5 is fixedly connected with the bottom cone 22; the shaft sleeve 4 is fixedly connected with the output shaft 13 through a pin shaft 6, the section of the output shaft 13 is circular, and the shaft sleeve 4 is sleeved on the output shaft 13.

Example 2

Referring to fig. 2 to 5, compared with the embodiment 1, the hydraulic speed-reducing type spiral tapered-head log splitter provided by the utility model only replaces the shaft sleeve 4 with the mounting flange 5 with the quick connecting sleeve 7 with the mounting flange 5;

the mounting flange 5 is fixedly connected with the bottom cone 22; the quick connecting sleeve 7 is configured to be quickly fixedly connected and detached with the output shaft 13; the section of the output shaft 13 is a regular hexagon.

Preferably, the output shaft 13 is provided with a circular arc groove 131; the quick connecting sleeve 7 comprises a sleeve 71, two steel balls 72, a sliding sleeve 73 and a spring 74; a through hole which is matched with the steel ball 72 in a sliding way and is concentric is arranged on the sleeve 71; a spring 74 is defined at the upper end between the sliding sleeve 73 and the sleeve 71; a groove 731 which can slide or roll on the outer surface of the output shaft 13 after the steel ball 72 is embedded is arranged on the inner wall of the sliding sleeve 73; the inner wall of the sliding sleeve 73 below the groove 731 is used for pressing the steel ball 72 embedded in the arc groove 131; a shaft retainer ring 75 for limiting the sliding sleeve 73 is arranged above the sleeve 71, wherein the sleeve 71 is in clearance fit with the output shaft 13, and the steel ball 72 freely slides in the through hole on the sleeve 71.

More specifically, the use process of the quick connecting sleeve 7 is as follows: when the device is installed, the sliding sleeve 73 is pushed downwards by hand, the spring 74 is in a compressed state, the steel ball 72 enters the groove 731, the steel ball 72 is in a completely movable state at the moment, then the output shaft 13 enters the sleeve 71, the steel ball 72 slides or rolls along the outer surface of the output shaft 13, then, when the steel ball 72 is at the position of the arc groove 131 on the output shaft 13, the sliding sleeve 73 is released, the sliding sleeve 73 retracts under the action of the spring 74, and the inner wall of the lower end of the sliding sleeve just presses the steel ball 72, so that the steel ball 72 is locked in the arc groove 131.

When unloading, the sliding sleeve 73 is pushed downwards by hand, the spring 74 is in a compressed state, the steel ball 72 slides or rolls along the outer surface of the output shaft 13, when the steel ball 72 enters the groove 731, the steel ball 72 is in a fully movable state, and then the output shaft 13 is pulled outwards by force, so that the sleeve 71 is separated from the output shaft 13.

The installation and the disassembly process are convenient and simple, the operation is easy, and the replacement efficiency of the spiral drill bit 2 is improved.

The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The above-described embodiments of the utility model are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims, and not by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The hydraulic speed-reducing type spiral variable-cone-head log splitter comprises a hydraulic drilling machine (1) for driving a spiral drill bit (2) to rotate and a connecting support (3) arranged on a quick connector of engineering machinery, wherein the connecting support (3) is fixedly connected to the hydraulic drilling machine (1),

the spiral drill bit (2) consists of a top cone (21) and a bottom cone (22), the angle of the top cone (21) is smaller than that of the bottom cone (22), and spiral grains are arranged on the outer conical surfaces of the top cone (21) and the bottom cone (22);

the hydraulic drilling machine (1) is provided with a planetary gear mechanism (11) driven by a hydraulic motor (12); the planet carrier on the planetary gear mechanism (11) is sequentially connected with a planet gear and an output shaft (13) on the hydraulic drilling machine (1) through a connecting shaft A (111); and a sun gear on the planetary gear mechanism (11) is fixedly connected with the output end of the hydraulic motor (12).

2. The hydraulic speed-reducing type spiral cone-changing head wood splitting machine is characterized in that a flange (31) and a connecting shaft B (32) are arranged on the connecting support (3), and the connecting shaft B (32) is matched with a quick connector of engineering machinery in shape and position size;

the hydraulic drilling machine (1) is also provided with a connecting flange (14) which is matched and fixedly connected with the flange (31); the upper end of the connecting flange (14) is fixedly connected with the hydraulic motor (12), and the lower end of the connecting flange is fixedly connected with the gear ring on the planetary gear mechanism (11).

3. The hydraulically decelerated spiral cone-head log splitter as claimed in claim 1, characterized in that the reduction ratio of the planetary gear mechanism (11) is 1: 5.714.

4. The hydraulically decelerated spiral tapered-head log splitter according to claim 1, characterized in that the angle of the top cone (21) is set to 26-50 °; the angle difference between the bottom cone (22) and the top cone (21) is a, and a is more than 0 degree and less than or equal to 9 degrees.

5. The hydraulically decelerated type log splitter with a screw and a variable cone head according to claim 1, characterized in that the top cone (21) is detachably connected.

6. The hydraulically decelerated type log splitter with a variable screw cone head according to any one of claims 1 to 5, characterized in that the log splitter is further provided with a shaft sleeve (4) with a mounting flange (5); the mounting flange (5) is fixedly connected with the bottom cone (22); the shaft sleeve (4) is fixedly connected with the output shaft (13) through a pin shaft (6), and the section of the output shaft (13) is circular.

7. A hydraulically decelerated type log splitter with a variable screw cone head according to any one of claims 1 to 5, characterized in that the log splitter is further provided with a quick connection sleeve (7) with a mounting flange (5); the mounting flange (5) is fixedly connected with the bottom cone (22); the quick connecting sleeve (7) is configured to be quickly fixedly connected and detached with the output shaft (13); the section of the output shaft (13) is a regular hexagon.

8. The hydraulically decelerated spiral tapered-head log splitter according to claim 7,

the output shaft (13) is provided with an arc groove (131);

the quick connecting sleeve (7) comprises a sleeve (71), two steel balls (72), a sliding sleeve (73) and a spring (74); the sleeve (71) is provided with a through hole which is matched with the steel ball (72) in a sliding way and is concentric; the spring (74) is defined at an upper end between the sliding sleeve (73) and the sleeve (71); a groove (731) which is used for enabling the steel ball (72) to slide or roll on the outer surface of the output shaft (13) after being embedded is formed in the inner wall of the sliding sleeve (73); the inner wall of the sliding sleeve (73) below the groove (731) is used for pressing the steel ball (72) embedded in the arc groove (131); a shaft retainer ring (75) used for limiting the sliding sleeve (73) is further arranged above the sleeve (71).