CN102528874A

CN102528874A - Firewood chopping device

Info

Publication number: CN102528874A
Application number: CN2012100250830A
Authority: CN
Inventors: 石永良; 刘羽; 唐洁; 王利忠
Original assignee: Changshu Tongrun Auto Accessory Co Ltd
Current assignee: Changshu Tongrun Auto Accessory Co Ltd
Priority date: 2012-02-06
Filing date: 2012-02-06
Publication date: 2012-07-04
Anticipated expiration: 2032-02-06
Also published as: CN102528874B

Abstract

The invention relates to a firewood chopping device, and belongs to the technical field of firewood chopping tools. The firewood chopping device comprises a base frame, a hydraulic jack with an oil cylinder column, an oil pump and an oil return valve, a column arranged on the base frame, a tool holder with an ax, and a table-board rack with a table board for being pushed by the oil cylinder column, wherein the hydraulic jack is arranged on the base frame, and the tool holder is assembled on the column; the table-board rack is assembled on the column and is positioned below the tool holder, and an oil pump control pedal is hinged onto the base frame and is connected with an oil pump. The firewood chopping device is characterized in that: an oil cylinder column seat cavity is arranged at one side of the table board toward the oil cylinder column, and is positioned at an intersection of diagonals of the table board, and the oil cylinder column is matched with the oil cylinder column seat cavity; and the middles of the left and right sides of the table board are respectively connected with one end of a tension spring, and the other end of the tension spring is fixed on the base frame. The firewood chopping device has the advantages that: the force-bearing points are reasonable, the operation is convenient, and the working efficiency is improved.

Description

The firewood device

Technical field

The invention belongs to kindling and split technical field of tools, be specifically related to a kind of firewood device, be used for the firewood bavin section of big specification is split the kindling that becomes to be able to put into burning usefulness

Background technology

such as be similar to by Chinese patent document disclosed " a kind of wood-split machine " (notification number: CN201559240U) with " wood-split machine " (notification number: the release of the technical scheme CN2313727Y), thereby can make traditional firewood mode obtain material alterations.So-called traditional firewood mode mainly comprises following several kinds: a kind of is to adopt the instrument of axe and so on to hack, and this method firewood inefficiency and labour intensity are big; The 2nd, by Carpenter's saw bavin standing grain hand saws to be split, there is the low and big shortcoming of labour intensity of efficient equally in this method; The 3rd, split by means of machine, though this method can be avoided the aforementioned deficiency of artificial firewood and since need will be to be split the bavin material be sent to place with power saws tool equipment, therefore come and go trouble and carrying inconvenience; So-called material alterations is meant the drawback that can remedy any one mode in aforementioned three kinds of firewood modes basically.Particularly, to be equipped with the use of cheap and practical firewood device when needing putting into voluntarily.

above mentioned " wood-split machine " that is provided by " a kind of wood-split machine " and the CN2313727Y of CN201559240U recommendation is though be cheap practical firewood device; But because CN201559240U need make the control stick alternating movement by both hands when work; So that make the pushing block pushing tow of hydraulic jack place on the work top and corresponding to the wooden bavin section that is generally between bevel tool and the pushing block, therefore operation effort relatively.And with regard to CN2313727Y, because the mode of when work, stepping on pin makes the pushing block that is fixed on oil cylinder post end spread to the bavin section (or claiming bavin body) between pushing block and cutter, until the bavin body is split.But because the length that therefore position of cutter can't be regulated the bavin body has fastidious property.

" wood-split machine " that utility model patent Granted publication CN2496619Y releases can remedies the shortcoming of aforementioned two patents comprehensively, and also has cheapness property and be suitable for purchasing voluntarily, prepares against the strong point of use.The structure of this CN2496619Y can be by (the applicant have only done change with the sequence number of its Reference numeral, does not therefore have the intention of distorting flesh and blood) shown in Figure 2.This wood-split machine comprises: underframe 1, be located at hydraulic jack 2 on the underframe 1, be located at column 3 on the underframe 1, be arranged on the column 3 and knife rest 4 that have axe 41 up or down, that be slidingly matched and be positioned at the table top frame 5 with table top 51 of knife rest 4 belows with column 3 up or down; Wherein, the oil cylinder post 21 of hydraulic jack 2 is connected with table top 51.Use can see last 1 section of the Instructions Page 2 of this CN2496619Y for details.

still; There is following technical problem in " wood-split machine " that above-mentioned CN2496619Y releases: one of which; Table top 51 is prone to by oil cylinder post 21 jackknifings of rising or descending; Because be installed on 1/2nd distance of the external diameter that exists hydraulic jack 2 between the bottom of hydraulic jack 2 and column 3 on the underframe 1 at least, so the oil cylinder post 21 of hydraulic jack 2 can only be connected with the middle position away from an end of table top frame 5 of table top 51.Therefore when promoting table top 51 in the cylinder body of oil cylinder post 21 self-hydraulic jack 2 to outer stretching, extension and together with table top frame 5 during along column 3 risings; Because the application point of oil cylinder post 21 is not in the intersection of diagonal position of the table top 51 of rectangle; Therefore stressed extremely inhomogeneous, cause the table top 51 and the junction of table top frame 5 distortion to occur easily.Otherwise, be in the cylinder body of retraction hydraulic jack 2 time when oil cylinder post 21 resets, there is aforementioned circumstances equally, so how long need not, table top 51 fracture occurs with the junction of table top frame 5.And because the application point of oil cylinder post 21 is not in the intersection of diagonal position of table top 51, cause table top frame 5 to produce and have a strong impact on along the effect that slides up and down of column 3, in addition table top frame 5 can occur with column 3 between gnaw (gnawing extremely) phenomenon.They are two years old; Draining is operated inconvenience and is influenced operating efficiency; Can know from the structure of this patent; After the action of firewood of every completion, promptly rise and put in place and make after the bavin base splitting between table top 51 and the axe 41 at oil cylinder post 21, the answer need of oil cylinder post 21 arched one's back by the operator and turned the oil return valve on the hydraulic jack 2.

In view of above-mentioned prior art; Very be necessary to improve, the applicant has done positive and useful design for this reason, and under the secrecy provision of strictness, has done test in the applicant unit; It is effective that the result proves, and the technical scheme that will introduce below produces under this background

Summary of the invention

task of the present invention is to provide a kind of and helps to ensure that stressed evenly the using of table top makes the table top frame steadily go up and down and avoid the junction of table top and table top frame fracture to occur and help realizing easily the draining operation and use the firewood device of raising operating efficiency along column.

task of the present invention is accomplished like this; A kind of firewood device; Comprise underframe, be arranged on hydraulic jack on the underframe, be arranged on column on the underframe, move up and down and be provided on the column and knife rest that have axe with oil cylinder post, oil pump and oil return valve; And move up and down equally be provided on the column and having of being positioned at knife rest below be used to supply the table top frame of the table top that said oil cylinder post promotes, wherein, hinge joint has an oil pump to handle riding boogie board on said underframe; This oil pump is handled riding boogie board and is connected with said oil pump; Be characterised in that: constitute an oil cylinder column base chamber at described table top towards a side of said oil cylinder post, this oil cylinder column base chamber is positioned at the intersection of diagonal position of said table top, and described oil cylinder post matches with oil cylinder column base chamber; And respectively be connected with an end of an extension spring in the middle position of the left and right sides of table top, and the other end of extension spring is fixed on the said underframe; The liquid valve that on described underframe, is hinged once activates riding boogie board, and it is corresponding with said oil return valve that this time liquid valve activates riding boogie board.

are in a concrete embodiment of the present invention; On the side, the left and right sides of said underframe, respectively be fixed with one towards stretch away from the direction of underframe and parallel being used to promote the underframe supporting arm of the stability of underframe; And respectively be fixed with a roller shaft at underframe towards the end face both sides of an end of said column, on each roller shaft, rotate and be provided with a roller.

are in another concrete embodiment of the present invention; On said base, has a pair of axle bed that corresponds to each other; Offer an axle bed hole on each axle bed and in the position to correspond to each other; On the axle bed hole, be equipped with one first bearing pin, activate riding boogie board with corresponding time liquid valve of described oil return valve and be hinged on the axle bed through said first bearing pin.

are in another concrete embodiment of the present invention; Described time the liquid valve activates the riding boogie board hinged seat that riding boogie board has a U-shaped; On riding boogie board hinge joint seat, offer the hinged seat hinge hole; The riding boogie board hinged seat is corresponding between the described a pair of axle bed, and described first bearing pin penetrates described hinged seat hinge hole; Activate on the riding boogie board and below corresponding to described riding boogie board hinged seat, also be fixed with a pressing plate at described time liquid valve, this pressing plate is corresponding with said oil return valve.

are in another concrete embodiment of the present invention; On described underframe, have one and support panel seat; On this support panel seat, be connected with the lower end of a gripper shoe; The upper end of gripper shoe offers a pin shaft hole, and said oil pump is handled riding boogie board and is fixed with a connecting seat towards an end of said oil pump, on this Connection Block, offers one first connecting hole and one second connecting hole; First connecting hole is by second bearing pin and said pin shaft hole pivotal connection, and second connecting hole is by the 3rd bearing pin and described oil pump pivotal connection.

also have among the concrete embodiment of the present invention, each spaced apart adjustment hole that is provided with in the both sides that face each other of described column, and described knife rest matches with the adjustment hole.

are more of the present invention and among concrete embodiment; On described knife rest and in the position that faces each other, respectively be equipped with one and be used for the tool holder height governor motion of knife rest in described adjustment hole adjusted, this tool holder height governor motion matches with the adjustment hole.

in of the present invention and then concrete embodiment, described tool holder height governor motion comprises key seat, alignment pin, spring, nut and draw ring, and key seat is fixed on the said knife rest; Spring is nested with on alignment pin; One end bearing of this spring is on the spring-loaded step that is formed on the alignment pin, and the other end is supported on the nut, and an end of alignment pin is inserted in the key seat hole of key seat; And match with described adjustment hole; The other end is stretched over outside the nut, and nut and key seat screw thread connect, and draw ring is set in alignment pin and leans out on the draw ring hole of the end of an end of said nut offering.

of the present invention again more and among concrete embodiment, and described table top frame is provided with one and is used to the protection mechanism that stops the bavin base when cracking, to spill, and this protection mechanism is corresponding to the left and right sides of said table top.

in again of the present invention and then concrete embodiment, at said column away from an end end of said underframe and above corresponding to said knife rest, be provided with one handle.

technical scheme provided by the invention is owing to constitute the oil cylinder column base chamber that a fuel feeding cylinder post cooperates at table top towards side of oil cylinder post and the intersection of diagonal position that is positioned at table top; And the left and right sides at table top respectively is connected with underframe by an extension spring; Therefore the table top stress point is reasonable; The phenomenon of rupture with the junction of table top frame can not occur, and the dead phenomenon of gnawing between table top frame and the column can not occur; The liquid valve that returns that is used to activate oil return valve owing on underframe, be hinged activates riding boogie board, therefore can embody the convenience of operation and uses the raising operating efficiency.

Description of drawings

Fig. 1 is the example structure figure of firewood device of the present invention.

Fig. 2 is the structure chart of the wood-split machine in the prior art.

The specific embodiment

can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.

see also Fig. 1, have provided a underframe 1, owing on this underframe 1, be installed with a vertical hydraulic jack 2, so underframe 1 is being filled the post of the effect of the base of hydraulic jack 2.Respectively be screwed a underframe supporting arm 11 in the left and right sides of underframe 1 (is example with the shown position state), a pair of underframe supporting arm 11 is parallel, and stretches towards the direction away from underframe 1, to play the effect of the stability that ensures underframe 1.Preferably, the shape of cross section of underframe supporting arm 11 is L-shaped, promptly preferably uses angle steel to make, but does not also repel other cross sectional shape of underframe supporting arm 11.On underframe 1, promptly respectively be fixed with a roller shaft 12 in the both sides of the trailing flank of shown position state; On each roller shaft 12, be provided with a roller 121 rotationally; After roller 121 places on the roller shaft 12; Adopt jump ring 122 spacing, escape in the situation of roller shaft 12 in order to avoid roller 121 in use occurs.

also have a pair of axle bed 13 and the supporting panel seat 14 that is equivalent to axle bed 13 on underframe 1, on a pair of axle bed 13 and at correspondence position, respectively offer an axle bed hole 131, on axle bed hole 131, are equipped with first bearing pin 1311.On supporting panel seat 14, be connected with the lower end of a support plate 141, and the upper end of support plate 141 offers a pin shaft hole 1411, this pin shaft hole 1411 is used for the following oil pump manipulation riding boogie board 6 that also will specify hinged.

vertical hydraulic jack 2 is configured on the underframe 1; According to common practise; Hydraulic jack 2 has oil cylinder post 21, oil pump 22 and oil return valve 23; Wherein, the oil pump post of oil pump 22 (also claiming the pump core) is hinged with oil pump manipulation riding boogie board 6, and on the oil pump post, is arranged with oil pump post return spring 221.

shape of cross section preferably is foursquare and is fixed on the underframe 1 with plumbness for the column 3 of hollow; The upper end of column 3 each side offer the adjustment hole 31 that the position corresponds to each other, and preferably be provided with one handle 32 with pluggable fit system at the top of column 3.

The knife rest 4 that have axe 41 moves up and down (also can claim slide) and is provided on the aforesaid column 3; In the both sides of this knife rest 4 be shown position each side be equipped with a tool holder height guiding mechanism 8; This tool holder height guiding mechanism 8 comprises key seat 81, alignment pin 82, spring 83, nut 84 and draw ring 85, and key seat 81 is fixed on the knife rest 81, and this key seat 81 has the key seat hole 811 that communicates with aforementioned adjustment hole 31; One end of alignment pin 82 is placed in the key seat hole 811; The other end is stretched over outside the nut 84, and nut 84 realizes that with the screw thread on the outer wall that is preset in key seat 81 screw thread connects, and spring 83 is nested with on alignment pin 82; One end bearing of this spring 83 is on the spring-loaded step 821 that is formed on the alignment pin 82; And the other end is bearing on the nut 84, and draw ring 85 is set in alignment pin 82 and is stretched over the end outside the nut 84, shown in figure; End end outside alignment pin 82 is stretched over nut 84 offers a draw ring hole 822, and draw ring 85 is located on this draw ring hole 822.

are in the time will adjusting the height of knife rest 4 on column 3; So as long as spur draw ring 85 artificially; Alignment pin 82 is withdrawed from the previous adjustment hole 31, then move up or down knife rest 4 to reasonable altitudes, then pine is opened and promptly discharges draw ring 85; Alignment pin 82 pins are gone in (insertion) adjustment hole 31, make knife rest 4 be positioned at the desired height on the column 3.The purpose of adjustment knife rest 4 is to adapt for the height of the distance between the table top 51 that makes axe 41 and the following table top frame of soon describing 5 with bavin section 10.

above mentioned oil pump is handled riding boogie board 6 and is had the bar of stepping on 62; Oil pump is handled riding boogie board 6 and is fixed on an end of stepping on bar 62; And the other end of stepping on bar 62 promptly preferably is fixed with a connecting seat 61 with welding manner towards an end of oil pump 22; On this Connection Block 61, offer first connecting hole 611 and second connecting hole 612; First connecting hole 611 is hinged through second bearing pin 6111 and aforesaid pin shaft hole 1411, and second connecting hole 612 is column articulated with the oil pump of aforesaid oil pump 22 through the 3rd bearing pin 6121.

are as the technical essential of technical scheme provided by the invention; The table top of having mentioned in the above 51 constitutes an oil cylinder column base chamber 511 towards a side of hydraulic jack 2 and in the position corresponding to oil cylinder post 21; In the present embodiment; Because table top 51 is the shape of cuboid; Therefore oil cylinder column base chamber 511 is positioned at the intersection of diagonal position of table top 51, and respectively is fixed with an end of an extension spring 512 at the middle part of the edge of the left and right sides of table top 51, fixes at the other end and the underframe 1 of each spring 512.Shown in figure; Middle position in the left and right sides of table top 51 respectively offers one first fixing hole 513; And on underframe 1; More properly say on underframe supporting arm 11, to offer second fixing hole 111, an end (upper end) of extension spring 512 is fixed on first fixing hole 513, and the other end (lower end) is fixed on second fixing hole 111.Table top 51 welds together with table top frame 5, and table top frame 5 is nested with up or down on column 3.

when stepping on oil pump repeatedly and handle riding boogie board 6, oil pump 22 pumps oil, oil cylinder post 21 rises, with table top 51 pushing tow upwards, extension spring 512 elongations are until making bavin section 10 between axe 41 and table top 51 ftracture (being rived by axe 41).Returning through aforesaid oil return valve 23 of oil cylinder post 21 realizes.

are hinged with an oil return valve and activate riding boogie board 7 on aforesaid a pair of axle bed 13; This oil return valve activates riding boogie board 7 and has a riding boogie board bar; On the riding boogie board bar, be fixed with the riding boogie board hinged seat 71 and a pressing plate 72 of a U-shaped; Have to offer riding boogie board hinged seat hinge hole 711 on the riding boogie board hinged seat 71, insert riding boogie board hinged seat hinge hole 711 and axle bed hole 131, be articulated and connected on underframe 1 thereby oil return valve is activated riding boogie board 7 through aforesaid first bearing pin 1311.Pressing plate 72 is corresponding with aforesaid time liquid valve 23.When slamming oil return valve downwards when activating riding boogie board 7, pressing plate 72 is pressed and oil return valves 23, make hydraulic jack 2 drainings, the pressure oil in the cylinder chamber of oil cylinder post 21 is returned into the hydraulic jack shoe cream room, make 21 answers of oil cylinder post.Because this oil return valve activates the setting of riding boogie board 7, thereby for operating personnel provide convenience, need not to resemble when each operation, arch one's back the prior art (bending over) operate oil return valve 23.

security when ensureing firewood; Preventing that bavin section 10 from spilling when being rived by axe 41 injures human body; Therefore on table top frame 5, be fixed with a protection mechanism 9; This protection mechanism 9 comprises pin seat 91 and a pair of blocking arm 92, and pin seat 91 is fixed on the table top frame 5 by hold-down screw 911, and a pair of pin 92 is separately fixed at the both sides of pin seat 91; And this is to the left upper portion of the wherein pin 92 in the pin 92 corresponding to the table top under the shown position state 51, and another root pin is then corresponding to the right upper portion of table top 51.When bavin section 10 places 51 last times of table top, then a pair of pin 92 is corresponding to the both sides of bavin section 10.

Use when of the present invention , and needs are split or the bavin section 10 claiming to rive places on the table top 51, then steps on oil pump manipulation riding boogie board 6 by the operator; Oil pump 22 pumps oil, oil cylinder post 21 (also can claim the oil cylinder piston bar) upwards stretches, and pushes table top 51; Table top frame 5 remains static owing to have the knife rest 4 of axe 41 along upwards slippages of column 3, so table top 51 is when rising together with bavin section 10; By axe 41 bavin section 10 is rived; In this process, a pair of extension spring 512 elongations are under the poised state table top 51 and rise.Step on oil return valve then and activate riding boogie board 7, touch oil return valve 23 by pressing plate 72, the pressure oil in the oil cylinder post chamber of oil cylinder post 21 is returned into shoe cream room, oil cylinder post 21 resets, and in this process, a pair of extension spring 512 plays a part help oil cylinder post 21 and resets.

In sum, technical scheme provided by the invention has overcome the drawback in the prior art, has reached goal of the invention, the objective embodiment at the technique effect described in the technique effect hurdle

Claims

1. a kind of firewood device; Comprise underframe (1), be arranged on hydraulic jack (2) on the underframe (1), be arranged on column (3) on the underframe (1), move up and down and be provided on the column (3) and knife rest (4) that have axe (41) with oil cylinder post (21), oil pump (22) and oil return valve (23); And move up and down equally be provided on the column (3) and having of being positioned at knife rest (4) below be used to supply the table top frame (5) of the table top (51) that said oil cylinder post (21) promotes; Wherein, Going up hinge joint at said underframe (1) has an oil pump to handle riding boogie board (6); This oil pump is handled riding boogie board (6) and is connected with said oil pump (22); It is characterized in that: constitute an oil cylinder column base chamber (511) at described table top (51) towards a side of said oil cylinder post (21), this oil cylinder column base chamber (511) is positioned at the intersection of diagonal position of said table top (51), and described oil cylinder post (21) matches with oil cylinder column base chamber (511); And respectively be connected with an end of an extension spring (512) in the middle position of the left and right sides of table top (51), and the other end of extension spring (512) is fixed on the said underframe (1); The liquid valve that on described underframe (1), is hinged once activates riding boogie board (7), and it is corresponding with said oil return valve (23) that this time liquid valve activates riding boogie board (7).

2. firewood device according to claim 1; It is characterized in that on the side, the left and right sides of said underframe (1), respectively being fixed with that stretch towards direction and parallel being used to and promote the underframe supporting arm (11) of the stability of underframe (1) away from underframe (1); And respectively be fixed with a roller shaft (12) at underframe (1) towards the end face both sides of an end of said column (3), go up rotation at each roller shaft (12) and be provided with a roller (121).

3. firewood device according to claim 1; It is characterized in that on said base (1), having a pair of axle bed that corresponds to each other (13); Offer an axle bed hole (131) on each axle bed (13) and in the position to correspond to each other; On axle bed hole (131), be equipped with one first bearing pin (1311), activate riding boogie board (7) with corresponding time liquid valve of described oil return valve (23) and be hinged on the axle bed (13) through said first bearing pin (1311).

4. firewood device according to claim 3; It is characterized in that described time liquid valve activates the riding boogie board hinged seat (71) that riding boogie board (7) has a U-shaped; On riding boogie board hinge joint seat (71), offer hinged seat hinge hole (711); Riding boogie board hinged seat (71) is corresponding between the described a pair of axle bed (13), and described first bearing pin (1311) penetrates described hinged seat hinge hole (711); Activate riding boogie board (7) at described time liquid valve and upward and in the below corresponding to described riding boogie board hinged seat (71) also be fixed with a pressing plate (72), this pressing plate (72) is corresponding with said oil return valve (23).

5. firewood device according to claim 1; It is characterized in that on described underframe (1), having one and support panel seat (14); On this support panel seat (14), be connected with the lower end of a gripper shoe (141); The upper end of gripper shoe (141) offers a pin shaft hole (1411); Said oil pump is handled riding boogie board (6) and is fixed with a connecting seat (61) towards an end of said oil pump (22); On this Connection Block (61), offer one first connecting hole (611) and one second connecting hole (612), first connecting hole (611) is by second bearing pin (6111) and said pin shaft hole (1411) pivotal connection, and second connecting hole (612) is by the 3rd bearing pin (6121) and described oil pump (22) pivotal connection.

6. firewood device according to claim 1 is characterized in that each spaced apart adjustment hole (31) that is provided with in the both sides that face each other of described column (3), and described knife rest (4) matches with adjustment hole (31).

7. firewood device according to claim 6; It is characterized in that going up and respectively be equipped with the tool holder height governor motion (8) that is used for knife rest (4) adjusted in described adjustment hole (31) in the position that faces each other at described knife rest (4), this tool holder height governor motion (8) with adjust hole (31) and match.

8. firewood device according to claim 7; It is characterized in that described tool holder height governor motion (8) comprises key seat (81), alignment pin (82), spring (83), nut (84) and draw ring (85); Key seat (81) is fixed on the said knife rest (4), and spring (83) is nested with on alignment pin (82), and an end bearing of this spring (83) is on the spring-loaded step (821) that is formed on the alignment pin (82); The other end is supported on the nut (84); One end of alignment pin (82) is inserted in the key seat hole (811) of key seat (81), and matches with described adjustment hole (31), and the other end is stretched over outside the nut (84); And nut (84) and key seat (81) screw thread connect, and draw ring (85) is set in alignment pin (82) and leans out on the draw ring hole of the end of an end of said nut (84) offering (822).

9. firewood device according to claim 1; It is characterized in that described table top frame (5) be provided with one be used to stop the bavin base when cracking, to spill protection mechanism (9), this protection mechanism (9) is corresponding to the left and right sides of said table top (51).

10. Firewood device according to claim 1 is characterized in that being provided with one handle (32) at said column (3) away from an end end of said underframe (1) and in the top corresponding to said knife rest (4)