CN111805623B

CN111805623B - Portable forest saw bench

Info

Publication number: CN111805623B
Application number: CN202010703088.9A
Authority: CN
Inventors: 覃凡丁
Original assignee: Guangxi University of Finance and Economics
Current assignee: Hefei Jinglong Environmental Protection Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2022-03-22
Anticipated expiration: 2040-07-21
Also published as: CN111805623A

Abstract

The invention discloses a portable forest sawing table which comprises a left table body and a right table body which are symmetrically arranged, wherein the left table body and the right table body respectively comprise an inclined support frame arranged on the front side and a box body fixed on the rear side of the support frame. Each box body is provided with a lifting rod, and the bottom end of each lifting rod is connected with a lifting rod driving mechanism. A slide rail can be dismantled and connected between two lifter, and the slide rail is gone up and is slided and set up an electric saw. The electric saw is connected with an electric saw driving mechanism which drives the electric saw to reciprocate along the slide rail. And the left platform body and the right platform body are both provided with a forest conveying device and a forest clamping device. The invention has the characteristics of convenient carrying, on-site sawing, accurate adjustment of sawing thickness and automatic sawing.

Description

Portable forest saw bench

Technical Field

The invention relates to a portable forest sawing table.

Background

Traditional forest needs to transport one section of forest to the processing factory before sawing and separates, and the diameter of forest is big, and the quality is heavy, when transport and loading and unloading, very inconvenient. Meanwhile, the sawed forest can generate a lot of sawdust and dust, and needs to be cleaned in the later period, so that the sawing machine is very inconvenient. The trees are directly sawed on the spot, so that the trees can be conveniently transported, and meanwhile, the sawed wood chips can be decomposed and serve as fertilizer after falling into the soil. Therefore, the portable forest sawing table is convenient to carry, can be sawed on site, can accurately adjust the sawing thickness and can be automatically sawed, and has wide market prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the portable forest sawing table which is convenient to carry, can be used for sawing on site, accurately adjusts the sawing thickness and can automatically saw.

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

the portable forest saw table comprises a left table body and a right table body which are symmetrically arranged, wherein the left table body and the right table body respectively comprise an inclined support frame arranged on the front side and a box body fixed on the rear side of the support frame; each box body is provided with a lifting rod, and the bottom end of each lifting rod is connected with a lifting rod driving mechanism; a sliding rail is detachably connected between the two lifting rods, and an electric saw is arranged on the sliding rail in a sliding manner; the electric saw is connected with an electric saw driving mechanism which drives the electric saw to reciprocate along the slide rail;

the left table body and the right table body are both provided with a forest conveying device and a forest clamping device;

the forest conveying device comprises a traction rope, a winding drum and a winding drum driving motor; one end of the traction rope is fixed at the upper end of the support frame; the other end of the traction rope is wound on the winding drum, the winding drum is arranged in the box body, and the winding drum is connected with an output shaft of the winding drum driving motor;

the tree clamping device comprises a clamping rod and a clamping plate, wherein the clamping rod is arranged on the box body and used for preventing the trees from sliding back and forth, and the clamping plate is used for preventing the trees from rotating; a sliding rod is arranged in each box body in a front-back mode, two sliding blocks are symmetrically arranged on each sliding rod, and each sliding block is hinged with one clamping rod; the sliding rod is provided with a rack, the corresponding sliding block is hinged with an arc-shaped rod, and the hinged joint is provided with a torsion spring; the end part of the arc-shaped rod is provided with a limiting tooth;

each box body is also provided with a telescopic rod which slides left and right, the top end of the telescopic rod is rotatably provided with a rotating shaft, the clamping plate is fixed at one end of the rotating shaft, and the other end of the rotating shaft is provided with a turntable; the clamping plate is provided with a through hole for a screw to pass through; and a limiting mechanism is also arranged between the telescopic rod and the rotating shaft.

Furthermore, the bottoms of the two ends of the sliding rail are provided with square grooves.

Further, the slide rail comprises a plurality of sections of slide rail units which are connected in an articulated manner.

Furthermore, a horizontal push plate is movably arranged on one side of the electric saw, and the bottom end of the push plate is superposed with the bottom end of a guide plate of the electric saw; and the push plate is provided with a stop block for limiting the push plate to swing towards the right side.

Furthermore, the electric saw driving mechanism comprises an electric saw driving motor arranged on one side of the electric saw, a gear is arranged on an output shaft of the electric saw driving motor, and a row of tooth grooves matched with the gear are correspondingly arranged on the sliding rail.

Furthermore, a plurality of conical fixing rods are arranged at the bottom end of each box body.

Furthermore, the side wall of the box body is provided with traveling wheels.

Furthermore, an indicating head is arranged on the rotating shaft, and angle scale marks are correspondingly arranged on the telescopic rod.

Furthermore, height scale marks are arranged on the side wall of the lifting rod.

The invention has the beneficial effects that:

when in use, the trees are conveyed to the top end of the box body by the tree conveying device; afterwards, the forest is limited by the two clamping rods, the forest is prevented from moving forwards and backwards, and the forest is prevented from rotating by limiting of the clamping plates. The electric saw is driven by the electric saw driving mechanism to reciprocate left and right along the slide rail, so that the forest saw is separated into boards, manual pushing of the electric saw to move left and right is omitted, and automatic sawing is realized. The height of the lifting rod can be adjusted through the lifting rod driving mechanism during sawing, so that the thickness of the wood board can be adjusted.

Through setting the slide rail to articulated multisection slide rail unit of connecting, during the transportation, can dismantle, conveniently carry. Through setting up the horizontally push pedal in one side at the electric saw, the electric saw is when replying to initial position, and the accessible push pedal pushes away the plank to one side of left stage body, saves artifical transport to prevent to be cut by the electric saw when the transport. Through set up the walking wheel in one side of box, during the use, can use the hand push left stage body and right stage body removal, conveniently carry. Through set up the indicating head in the pivot to set up the angle scale mark on the telescopic link, during the use, the accessible carousel is rotatory the fixed angle with the forest, can saw the plank of discolouing different shapes.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 4 is a schematic view of a partially cut-away three-dimensional structure of the right stage body according to the present invention;

FIG. 5 is a schematic side view, partially in section, of the right stage of the present invention (showing the lifter drive mechanism);

FIG. 6 is a schematic perspective view of a slide rail according to the present invention;

FIG. 7 is a schematic perspective view of an electric saw and a push plate according to the present invention;

FIG. 8 is a schematic perspective view of the slider, clamping rods and arc rods of the present invention;

FIG. 9 is a schematic sectional view of the top end limiting mechanism of the telescopic rod of the present invention;

in the figure, the left table body 1, the right table body 2, the support frame 21, the box body 22, the sliding rod 221, the rack 221a, the fixing rod 222, the traveling wheel 223, the round rod 224, the lifting rod 3, the lifting rod driving mechanism 31, the sleeve 311, the threaded rod 312, the threaded rod driving motor 313, the height scale 314, the sliding rail 4, the square groove 41, the sliding rail unit 42, the toothed groove 43, the electric saw 5, the electric saw driving mechanism 51, the electric saw driving motor 511, the gear 512, the push plate 52, the stopper 521, the sliding seat 53, the protective cover, the cross rod 532, the forest conveying device 6, the traction rope 61, the winding drum 62, the winding drum driving motor 63, the forest clamping device 7, the clamping rod 71, the clamping plate 72, the through hole 721, the slider 73, the arc-shaped rod 74, the limit tooth 741, the telescopic rod 75, the angle scale 751, the square open groove 752, the rotating shaft 76, the rotating disc 531, the indicating head 762, the limit tooth 763, the limit rod 77, the limit toothed groove 771, the limit teeth, Compression spring 772, baffle 773, controller 8, control button 81.

Detailed Description

For a better understanding of the present invention, embodiments thereof are explained in detail below with reference to the accompanying drawings.

The portable forest saw table shown in the attached drawings 1 to 9 comprises a left table body 1 and a right table body 2 which are symmetrically arranged, wherein the left table body 1 and the right table body 2 respectively comprise an inclined support frame 21 arranged on the front side and a box body 22 fixed on the rear side of the support frame 21; as shown in fig. 1, the bottom, front, and upper ends of the case 22 are open. Each box 22 is provided with a lifting rod 3, the bottom end of each lifting rod 3 is connected with a lifting rod driving mechanism 31, as shown in fig. 5, each lifting rod driving mechanism 31 comprises a sleeve 311, a threaded rod 312 and a threaded rod driving motor 313, each lifting rod 3 is square, the bottom end of each lifting rod 3 slides in each sleeve, the top end of each lifting rod 3 penetrates through the box 22, and a threaded hole matched with the threaded rod 312 is formed in each lifting rod 3. During the use, drive threaded rod 312 through threaded rod driving motor 313 and rotate, realize the vertical removal of lifter 3, the pitch of threaded rod 312 is fixed, during the use, confirm the lift height of lifter 3 through the number of turns of the rotation of drive threaded rod 312 to the thickness is separated in the saw of realization plank. For accurate readings, height scale lines 314 are provided on the side walls of the lifting rod 3.

Can dismantle between two lifter 3 and connect a slide rail 4, the concrete implementation mode is: the bottom of the two ends of the sliding rail 4 is provided with a square groove 41, and when the lifting device is used, the square groove 41 is sleeved at the top end of the lifting rod 3. Preferably, as shown in fig. 6, the slide rail 4 comprises a plurality of hingedly connected slide rail units 42. The bottom ends of two adjacent sliding rail units 42 are hinged through a round shaft or a pin. The slide rail 4 is arranged into a plurality of sections of slide rail units 42 which are detachably connected, so that the slide rail unit can be detached, has small volume and is convenient to carry, and the slide rail 4 can be detached and placed in the box body 22 when the box body is used for walking.

An electric saw 5 is arranged on the sliding rail 4 in a sliding manner, and the specific implementation mode is as follows: a sliding seat 53 is arranged on the sliding rail 4 in a sliding mode, a T-shaped open slot is formed in the bottom end of the sliding seat 53, and when the sliding seat is used, the sliding seat 53 is sleeved on the sliding rail 4 from one side of the sliding rail 4. The main body of the electric saw 5 is fixed to the slide base 53, and the electric saw 5 slides by pushing the slide base 53 to move left and right when in use.

The electric saw 5 is connected to an electric saw driving mechanism 51 for driving the electric saw 5 to reciprocate along the slide rail 4, as shown in fig. 1, the electric saw driving mechanism 51 includes an electric saw driving motor 511 disposed at one side of the electric saw 5, a gear 512 is disposed on an output shaft of the electric saw driving motor 511, and a row of tooth grooves 43 corresponding to the gear 512 is disposed on the slide rail 4. When the electric saw is used, the gear 512 is driven to rotate by the electric saw driving motor 511, so that the electric saw 5 reciprocates left and right. In order to prevent chips from falling into the gullets 43, a guard 531 is provided outside the saw drive motor 511 and the gear 512.

One side of the electric saw 5 is movably provided with a horizontal push plate 52, and the specific embodiment is as follows: a horizontal cross bar 532 is fixed on the left side of the sliding seat 53, and the top end of the push plate 52 is sleeved on the cross bar 532. The bottom end of the push plate 52 coincides with the bottom end of a guide plate of the electric saw 5, and the electric saw 5 is in the prior art and comprises an electric saw main body, the guide plate, a chain and guide teeth. Thus, when the electric saw 5 moves rightwards, the push plate 52 swings under resistance. The push plate 52 is provided with a stopper 521 for restricting the push plate 52 from swinging to the right. When the electric saw 5 moves leftwards, the push plate 52 swings to a vertical state, the stop 521 is clamped on the sliding seat 53, and the push plate 52 can push the wood board to move leftwards.

The left table body 1 and the right table body 2 are both provided with a forest conveying device 6 and a forest clamping device 7.

The forest conveying device 6 comprises a traction rope 61, a winding drum 62 and a winding drum driving motor 63; one end of the traction rope 61 is fixed at the upper end of the support frame 21; the other end of the traction rope 61 is wound on a winding drum 62, the winding drum 62 is arranged in the box body 22, and the winding drum 62 is connected with an output shaft of a winding drum driving motor 63; as shown in fig. 1, when in use, the traction rope 61 is firstly put on a forest (shown by a dotted line) from one end, then the reel driving motor 63 drives the reel 62 to rotate, so that the forest is conveyed to the box body 22, and finally, two ends of the forest are respectively loaded on the left platform body 1 and the right platform body 2.

The tree clamping device 7 comprises a clamping rod 71 which is arranged on the box body 22 and used for preventing the trees from sliding back and forth and a clamping plate 72 which is arranged on the box body and used for preventing the trees from rotating; a sliding rod 221 is arranged in each box body 22 in a front-back mode, each sliding rod 221 is square, two sliding blocks 73 are symmetrically arranged on each sliding rod 221, a square hole is formed in each sliding block 73, and when the box body is used, the two sliding blocks 73 are sleeved on the sliding rods 221. Each sliding block 73 is hinged with one clamping rod 71, the sliding rod 221 is provided with a rack 221a, the corresponding sliding block 73 is hinged with one arc-shaped rod 74, the hinged joint is provided with a torsion spring (not shown), and the specific connection mode of the torsion spring is as follows: the torsion spring is sleeved on the hinge connecting shaft, one end of the torsion spring is fixed with the arc-shaped rod 74, and the other end of the torsion spring is fixed with the sliding block 73. The end of the arc-shaped rod 74 is provided with a limiting tooth 741, and under the action of the torsion spring, the limiting tooth 741 is always tightly attached to the rack 221 a. When the clamping rod 71 rotates to the vertical direction, the side wall of the clamping rod 71 is attached to the barrier at one side of the sliding block 73, and the barrier at one side of the sliding block 73 can limit the clamping rod 71 to continuously swing. When the forest is transferred to the case 22, the two sliders 73 are slid to clamp the forest by the two clamping rods 71, preventing the forest from sliding back and forth. Preferably, a torsion spring is also provided at the hinged connection of the clamping lever 71, and the clamping lever 71 is maintained in an upright state by the torsion spring in the initial state, so that it is possible to omit manual continuous upward snapping of the clamping lever 71.

Each box 22 is further provided with a telescopic rod 75 sliding left and right, as shown in fig. 3, the bottom end of the telescopic rod 75 slides on two round rods 224 arranged between two side walls of the box 22, and the top end of the telescopic rod 75 is rotatably provided with a rotating shaft 76, that is, the rotating shaft 76 passes through the telescopic rod 75. The clamping plate 72 is fixed at one end of the rotating shaft 76, and the other end of the rotating shaft 76 is provided with a turntable 761; the clamping plate 72 is provided with a through hole 721 for a screw to pass through, when the clamping plate is used, the screw passes through the through hole 721 manually or by an electric drill and is fixed on the end surface of a forest, and the top end of the telescopic rod 75 is freely telescopic and high, so that the requirements of the forest with different thicknesses are met. A limiting mechanism is further arranged between the telescopic rod 75 and the rotating shaft 76. As shown in fig. 9, the limiting mechanism includes a limiting rod 77, the limiting rod 77 is T-shaped, the bottom end of the limiting rod 77 is an arc-shaped limiting tooth groove 771, a circle of limiting teeth 763 is correspondingly arranged on the rotating shaft 76, the top end of the telescopic rod 75 is provided with a square open slot 752, the limiting rod 77 is further sleeved with a compression spring 772, and the bottom end of the compression spring 772 abuts against a baffle 773 arranged on the limiting rod 77. In order to saw and untie the wood boards with different shapes, the rotating shaft 76 is provided with the indicating head 762, the corresponding telescopic rod 75 is provided with the angle scale 751, when the wood sawing machine is used, the wood is rotated to a corresponding position through the rotating disc 761 and is fixed through the limiting rod 77, and when the rotating disc 761 is rotated, the limiting rod 77 is pulled outwards to enable the limiting tooth groove 771 to be separated from the limiting tooth 763. The height of the telescopic rod 75 in the vertical direction can be changed at will, and after the forest sawing process becomes thin, the height of the top end of the telescopic rod 75 can be reduced to continue fixing the forest continuously through the clamping plate 72. The holding plate 72 shown in the drawings has a cross shape, and when the size of the forest to be sawn off is very small, it can be fixed only by one end of the holding plate 72 (a plurality of through holes 721 are provided on one end) to prevent the top end of the holding plate 72 from blocking the electric saw 5 which reciprocates.

In order to prevent the left and right stages 1 and 2 from shaking during operation, a plurality of tapered fixing rods 222 are provided at the bottom end of each casing 22. In use, the securing rod 222 is inserted into the soil. In order to facilitate the movement of the left and right tables 1 and 2, a road wheel 223 is provided on the sidewall of the case 22. When the platform is used, the left platform body 1 and the right platform body 2 are turned over to enable the travelling wheels 223 to contact the ground, and the supporting frame 21 is held by a hand to push the left platform body 1 and the right platform body 2 to move.

The controller 8 is arranged on the side wall of the right table body 2, and the controller 8 is in control connection with the threaded rod driving motor 313, the electric saw 5, the electric saw driving motor 511 and the winding drum driving motor 63 through circuits. The lines of the left table body 1 and the right table body 2 can be detachably connected through a plug and a socket. The controller 8 is provided with a plurality of control buttons 81, and the control buttons 81 comprise a forward rotation control button and a reverse rotation control button of the threaded rod driving motor 313, a start button and a stop button of the electric saw 5, a forward rotation control button and a reverse rotation control button of the electric saw driving motor 511, and a forward rotation button and a reverse rotation button of the reel driving motor 63.

The use method of the invention comprises the following steps:

in the first step, the left table body 1 and the right table body 2 are moved to the vicinity of the forest trees to be laid flat and fixed, then the electric saw 5 and the sliding seat 53 are installed on the sliding rail 4, and then the two ends of the sliding rail 4 are installed at the top end of the lifting rod 3.

And secondly, sleeving the traction rope 61 at two ends of the forest, pressing a forward rotation button of the drum driving motor 63, pulling the forest through the traction rope 61 and conveying the forest to the top end of the box body 22. Then, the sliding block 73 and the clamping rod 71 fix the trees, and then the telescopic rod 75 is moved left and right to enable the clamping plate 72 to be tightly attached to the end parts of the trees, and then the trees are fixed through the through holes 721 through screws.

And thirdly, pressing a forward rotation control button or a reverse rotation control button of the threaded rod driving motor 313 to adjust the height of the lifting rod 3, and further determining the sawing thickness of the forest.

And fourthly, pressing a start button of the electric saw 5, and pressing a forward rotation button and a reverse rotation button of the electric saw driving motor 511 to control the electric saw 5 to reciprocate left and right, so as to continuously saw the forest. In the sawing process, the trees can be rotated through the turntable 761, so that the purpose of sawing the wood boards in different shapes is achieved.

And fifthly, after sawing one forest, detaching the screw, and pressing down a reverse button of the drum driving motor 63 to extend the traction rope 61, so that the next forest can be conveniently sleeved.

It should be noted that although the present specification describes embodiments, not every embodiment includes only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. Portable forest saw platform, its characterized in that: the device comprises a left table body and a right table body which are symmetrically arranged, wherein the left table body and the right table body respectively comprise an inclined support frame arranged on the front side and a box body fixed on the rear side of the support frame; each box body is provided with a lifting rod, and the bottom end of each lifting rod is connected with a lifting rod driving mechanism; a sliding rail is detachably connected between the two lifting rods, and an electric saw is arranged on the sliding rail in a sliding manner; the electric saw is connected with an electric saw driving mechanism which drives the electric saw to reciprocate along the slide rail;

a horizontal push plate is movably arranged on one side of the electric saw, and the bottom end of the push plate is superposed with the bottom end of a guide plate of the electric saw; the push plate is provided with a stop block for limiting the push plate to swing towards the right side;

each box body is also provided with a telescopic rod which slides left and right, the top end of the telescopic rod is rotatably provided with a rotating shaft, the clamping plate is fixed at one end of the rotating shaft, and the other end of the rotating shaft is provided with a turntable; the clamping plate is provided with a through hole for a screw to pass through; a limiting mechanism is further arranged between the telescopic rod and the rotating shaft;

an indicating head is arranged on the rotating shaft, and angle scale marks are correspondingly arranged on the telescopic rod.

2. The portable forest saw table as claimed in claim 1, wherein: the bottom of the two ends of the sliding rail is provided with a square groove.

3. The portable forest saw table as claimed in claim 1, wherein: the sliding rail comprises a plurality of sections of sliding rail units which are hinged.

4. The portable forest saw table as claimed in claim 1, wherein: the electric saw driving mechanism comprises an electric saw driving motor arranged on one side of the electric saw, a gear is arranged on an output shaft of the electric saw driving motor, and a row of tooth grooves matched with the gear are correspondingly arranged on the sliding rail.

5. The portable forest saw table as claimed in claim 1, wherein: the bottom end of each box body is provided with a plurality of conical fixing rods.

6. The portable forest saw table as claimed in claim 1, wherein: and the side wall of the box body is provided with a travelling wheel.

7. The portable forest saw table as claimed in claim 1, wherein: and height scale marks are arranged on the side wall of the lifting rod.