CN115847546A

CN115847546A - Chain saw refitting structure and refitting method thereof

Info

Publication number: CN115847546A
Application number: CN202211743868.1A
Authority: CN
Inventors: 钱周林; 周根明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-03-28

Abstract

The invention provides a chain saw refitting structure and a refitting method thereof, wherein the chain saw refitting structure comprises a speed changing assembly and a walking assembly in meshing transmission with the speed changing assembly, one end of the speed changing assembly is connected with a chain saw, the other end of the speed changing assembly is connected with an adapter, the speed changing assembly comprises a driving gear, a driven gear in meshing transmission with the driving gear, an assembly chain wheel and a supporting gear, the assembly chain wheel is coaxially arranged with the driving gear, the assembly chain wheel is in chain transmission connection with the chain wheel of the chain saw on the chain saw through a transmission chain, and the driven gear is connected with the adapter. The invention aims to provide a modified structure and a modified method for a chain saw, which have the characteristics of simple switching and installation, easy and convenient operation and use, and safe and reliable operation, and meet various operation requirements.

Description

Chain saw refitting structure and refitting method thereof

Technical Field

The invention belongs to the technical field of chain saws, and particularly relates to a chain saw refitting structure and a chain saw refitting method.

Background

The chain saw is a portable saw powered by gasoline engine, mainly used for cutting wood and making wood, and its working principle is that it utilizes the cross movement of L-shaped blade on the saw chain to make shearing action, and has the characteristics of large power, high working efficiency, low cost, convenient carrying and simple operation.

Traditional chain saw can only arrange link joint and the chain in area and use, and the function singleness uses inconveniently when needing multiple mechanical operation, can not satisfy the production requirement, and this scheme provides a chain saw repacking structure for this, and when the multiple adaptor of adaptation was changeed, easy operation, convenient to use, the technical problem of the traditional chain saw function singleness of needle was solved, made the chain saw satisfy multiple operation requirement.

Disclosure of Invention

The invention aims to provide a chain saw refitted structure, which solves the technical problem of single function of the existing chain saw, has the characteristics of simple switching installation, easy and convenient operation and use, and safe and reliable operation, and meets various operation requirements.

A chain saw refitting structure comprises a speed change assembly, wherein one end of the speed change assembly is connected with a chain saw, and the other end of the speed change assembly is connected with an adapter;

the speed change assembly comprises a driving gear, a driven gear in meshing transmission with the driving gear, an assembly chain wheel and a supporting gear, wherein the assembly chain wheel is coaxially arranged with the driving gear, the assembly chain wheel is in chain transmission connection with a chain wheel of a chain saw on the chain saw through a transmission chain, and the driven gear is connected with the adaptor;

the speed change assembly further comprises a shell connected with the chain saw, and an assembly shaft arranged inside the shell and sequentially penetrating through the assembly chain wheel, the driving gear and the supporting gear.

The shell comprises an assembly cavity and a connecting plate connected with the assembly cavity, a waist-shaped hole and a fixing hole are formed in the connecting plate, and the connecting plate is in bolted connection with a first screw and a second screw on the chain saw through the waist-shaped hole and the fixing hole respectively;

the connecting plate is further provided with a vertical adjusting hole, a tensioning bolt penetrates through the adjusting hole from top to bottom, a tensioning stop block in threaded connection with the screw rod is sleeved on the screw rod of the tensioning bolt, and the upper portion of the tensioning stop block is in contact connection with the lower portion of the side face of the first screw rod.

The outer portion of one end of the driven gear is provided with gear teeth, the outer portion of the other end of the driven gear is sleeved with a driven bearing, a driven spline groove is formed in the driven bearing, the driven spline groove is connected with a spline shaft of the adapter, an adapter sleeve connected with the assembly cavity is arranged on the outer portion of the adapter, and the adapter sleeve is connected with the adapter through a second fastening bolt and a first fastening bolt.

The utility model discloses a tire main shaft that the speed change subassembly is connected to the speed change subassembly, the below of speed change subassembly be provided with the driven walking subassembly of speed change subassembly meshing, the walking subassembly include with the bracing piece that the speed change subassembly is connected, with walking gearbox, setting that the bracing piece is connected are in the support tire of walking gearbox both sides, wear to locate the walking gearbox and in the tire main shaft that the support tire is connected, the lateral part and the brace table of bracing piece are connected, the brace table with the chain saw is connected.

The supporting rod comprises a supporting sleeve, an upper gear and a middle gear which are coaxially arranged inside the supporting sleeve, the walking gearbox comprises a gearbox body and a lower gear arranged in the gearbox body, the upper gear is meshed with the supporting gear and is connected with the middle gear, a supporting interface is arranged on the side of the assembly cavity, the upper portion of the supporting sleeve is connected with the supporting interface, and the lower portion of the supporting sleeve is connected with the gearbox body.

The oil saw is characterized in that an oil groove and an oil nozzle communicated with the oil groove are further arranged on the connecting plate, an oil injection port is arranged on the chain saw, and the oil groove is detachably connected with the oil injection port.

An oil filling hole for lubricating the speed change component is further formed in the component cavity, and a protective cover is arranged on the side portion of the component cavity.

A chain saw refitting method specifically comprises the following steps:

step S1: removing a side cover and a front baffle of the chain saw, adjusting an adjusting bolt on the guide plate, removing the guide plate and the chain of the chain saw, and removing a chain blocking block;

step S2, respectively sleeving a transmission chain on the chain wheel of the chain saw and the chain wheel of the assembly, and respectively connecting the connecting plate with a second screw and a first screw of the chain saw through a fixing hole and a waist-shaped hole by bolts, wherein the bolts are kept in a loose state;

and step S3: adjusting the tensioning bolt to enable the tensioning stop block to push the kidney-shaped hole to slide along the first screw rod, enabling the connecting plate to drive the assembly chain wheel to tension the transmission chain, screwing the bolts of the second screw rod and the first screw rod, and installing the protective cover on the connecting plate;

and S4, inserting the adapter into the adapter sleeve, ensuring that the spline shaft of the adapter is sleeved in the driven spline groove of the driven gear, and screwing the first fastening bolt and the second fastening bolt.

And S5, injecting lubricating oil into the oil injection hole to lubricate the speed change assembly.

And S6, starting the chain saw, driving the component chain wheel by the transmission chain through the chain saw chain wheel to enable the speed change component to operate, driving the walking component to operate through the supporting gear by the speed change component, driving the adapter to operate through the driven gear, simultaneously enabling engine oil sprayed out of the oil spray opening to enter the engine oil opening through the engine oil groove, and spraying out of the engine oil opening to lubricate and cool the transmission chain.

The invention has the following technical effects:

(1) The shell is provided with an adapter sleeve for fixing the adapter, the caliber of the adapter sleeve is adjustable, and a driven spline groove which is driven by the adapter is arranged in the driven gear, so that the adapter sleeve can be adapted to various adapters, and the adapter sleeve can be more simply and conveniently connected and separated;

(2) The traveling assembly is arranged to support the whole modified structure, and when the speed change assembly drives the adaptor to operate, the speed change assembly provides power for the traveling assembly through meshing transmission, and the traveling assembly drives the whole device to advance, so that the device is easier and more convenient to operate and use;

(3) The waist-shaped hole is arranged, and the position of the waist-shaped hole outside the first screw rod is adjusted, so that the position of a component chain wheel of the modified structure is changed, the transmission chain is driven to be in tightness adjustment, the modified structure and the chain transmission of the chain saw can be realized without disassembling a clutch of the chain saw, the installation is simple, and the adjustment is convenient;

(4) The connecting plate is provided with an engine oil groove and an engine oil port, and the engine oil port of the original chain saw is connected with the engine oil groove, so that the engine oil sprayed from the oil spray port enters the engine oil port along the engine oil groove and is sprayed out from the engine oil port to lubricate and cool the transmission chain of the modified assembly, and the operation is safer and more reliable;

(5) Set up a supporting bench between repacking structure and the chain saw, fix the repacking structure for the connection of repacking structure is more firm, and safe and reliable more when plugging into multiple adaptor and operating.

Drawings

Fig. 1 is a schematic view of the overall structure of the chain saw modification structure of the present invention.

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

Fig. 3 is a schematic view of the chain saw structure of the present invention.

Fig. 4 is a schematic view of the connection plate structure of the present invention.

Fig. 5 is a schematic view of the internal structure of the transmission assembly of the present invention.

Fig. 6 is a schematic view of the driven gear structure of the present invention.

Fig. 7 is a schematic structural view of the walking assembly of the present invention.

Fig. 8 is an overall structure diagram of the embodiment of the invention.

Wherein the reference numbers are as follows: 1. a chain saw; 2. a saw shaft; 3. a first screw; 4. a second screw; 5. a chain saw sprocket; 6. a clutch; 7. a guide plate; 8. chain saw chains; 9. a side cover; 10. a front baffle; 11. a chain blocking block; 12. a protective cover 14, an adaptor; 15. an oil injection port; 16. a support table; 171. a support bar; 172. supporting the tire; 173. tire spindle, 122, assembly sprocket; 123. a connecting plate; 125. a front bearing; 126. an assembly shaft; 127. a driving gear; 128. a driven gear; 129. a middle bearing; 130. a driven bearing; 133. an assembly cavity; 134. a support gear; 135. a rear bearing; 136. a support interface; 141. a spline shaft; 1231. tensioning the bolt; 1232. a tensioning stop block; 1233. an oil sump; 1234. an oil port; 1235. a fixing hole; 1236. a waist-shaped hole; 1281. a driven spline groove; 1331. an oil filler hole; 1332. a transfer sleeve; 1333. a first fastening bolt; 1334. a second fastening bolt; 1711. a support sleeve; 1712. an upper gear; 1713. a middle gear; 1714. a lower gear.

Detailed Description

In order to make the technical features of the present solution clearer, the present solution is explained by the following embodiments.

Referring to fig. 1 to 8, a chain saw modified structure comprises a speed change assembly, one end of the speed change assembly is connected with a chain saw 1, and the other end of the speed change assembly is connected with an adapter 14;

the speed changing assembly comprises a driving gear 127, a driven gear 128 in meshing transmission with the driving gear 127, an assembly chain wheel 122 and a supporting gear 134, wherein the assembly chain wheel 122 is coaxially arranged with the driving gear 127, the assembly chain wheel 122 is in chain transmission connection with a chain wheel 5 of the chain saw 1 through a transmission chain, and the driven gear 128 is connected with the adaptor 14;

the speed changing assembly further comprises a shell connected with the chain saw 1, and an assembly shaft 126 which is arranged in the shell and sequentially penetrates through the assembly chain wheel 122, the driving gear 127 and the supporting gear 134, a front bearing 125 is arranged between the assembly chain wheel 122 and the driving gear 127, a middle bearing 129 is arranged between the driving gear 127 and the supporting gear 134, and a rear bearing 135 is arranged at the end part of the assembly shaft 126.

The shell comprises an assembly cavity 133 and a connecting plate 123 connected with the assembly cavity 133, a kidney-shaped hole 1236 and a fixing hole 1235 are arranged on the connecting plate 123, and the connecting plate 123 is in bolted connection with a first screw 3 and a second screw 4 on the chain saw 1 through the kidney-shaped hole 1236 and the fixing hole 1235 respectively;

the connecting plate 123 is further provided with a vertical adjusting hole, the adjusting hole penetrates through a tensioning bolt 1231 from top to bottom, a tensioning stop block 1232 in threaded connection with the screw rod is arranged on a screw rod sleeve of the tensioning bolt 1231, and the upper portion of the tensioning stop block 1232 is in contact connection with the lower portion of the side face of the first screw rod 3.

The driven gear 128 is provided with gear teeth at one end thereof, a driven bearing 130 is sleeved at the other end thereof, a driven spline groove 1281 is formed in the driven gear, the driven spline groove 1281 is connected with the spline shaft 141 of the adaptor 14, an adaptor sleeve 1332 connected with the assembly cavity 133 is arranged at the outer part of the adaptor 14, and the adaptor sleeve 1332 is connected with the adaptor 14 through a second fastening bolt 1334 and a first fastening bolt 1333.

A walking assembly in meshing transmission with the speed changing assembly is arranged below the speed changing assembly, the walking assembly comprises a supporting rod 171 connected with the speed changing assembly, a walking gearbox connected with the supporting rod 171, supporting tires 172 arranged on two sides of the walking gearbox, and a tire spindle 173 penetrating through the walking gearbox and connected with the supporting tires 172, the side part of the supporting rod 171 is connected with a supporting platform 16, and the supporting platform 16 is connected with the chain saw 1.

The supporting rod 171 comprises a supporting sleeve 1711, an upper gear 1712 and a middle gear 1713 which are coaxially arranged in the supporting sleeve 1711, the walking gearbox comprises a gearbox body and a lower gear 1714 which is arranged in the gearbox body, the upper gear 1712 is meshed with the supporting gear 134, the lower gear 1714 is meshed with the middle gear 1713, a supporting interface 136 is arranged on the side part of the assembly cavity 133, the upper part of the supporting sleeve 1711 is connected with the supporting interface 136, and the lower part of the supporting sleeve 1711 is connected with the gearbox body.

The connecting plate 123 is further provided with an oil groove 1233 and an oil port 1234 communicated with the oil groove 1233, the chain saw 1 is provided with an oil injection port 15, and the oil groove 1233 is detachably connected with the oil injection port 15.

An oil hole 1331 for lubricating the transmission assembly is also provided in the assembly chamber 133, and a boot 12 is provided at a side portion of the assembly chamber 133.

A chain saw refitting method specifically comprises the following steps:

step S1: removing the side cover 9 and the front baffle 10 of the chain saw 1, adjusting the adjusting bolt on the guide plate 7, removing the guide plate 7 and the chain saw chain 8, and removing the chain blocking block 11;

s2, respectively sleeving a transmission chain on the chain wheel 5 of the chain saw and the chain wheel 122 of the assembly, and respectively connecting the connecting plate 123 with the second screw rod 4 and the first screw rod 3 of the chain saw 1 through the fixing hole 1235 and the waist-shaped hole 1236 by bolts, wherein the bolts are kept in a loose state;

and step S3: adjusting the tensioning bolt 1231, so that the tensioning stop 1232 pushes the kidney-shaped hole 1236 to slide along the first screw rod 3, the connecting plate 123 drives the assembly sprocket 122 to tension the transmission chain, the bolts of the second screw rod 4 and the first screw rod 3 are tightened, and the protective cover 12 is installed on the connecting plate 123;

and S4, inserting the adapter 14 into the adapter sleeve 1332, ensuring that the spline shaft 141 of the adapter 14 is sleeved in the driven spline groove 1281 of the driven gear 128, and screwing the first fastening bolt 1333 and the second fastening bolt 1334.

And S5, lubricating oil is injected into the oil injection hole 1331 to lubricate the speed change assembly.

And S6, starting the chain saw 1, driving the assembly chain wheel 122 through the chain saw chain wheel 5 by the transmission chain, so that the speed change assembly operates, driving the walking assembly to operate through the supporting gear 134 by the speed change assembly, driving the adapter 14 to operate through the driven gear 128, simultaneously enabling the engine oil sprayed out from the oil spray port 15 to enter the engine oil port 1234 through the engine oil groove 1233, and lubricating and cooling the transmission chain 13 through spraying out from the engine oil port 1234.

The specific working process of the invention is as follows:

when the adaptor needs to be used, firstly, the side cover 9 and the front baffle 10 of the chain saw 1 are dismounted, the adjusting bolt on the guide plate 7 is adjusted, the guide plate 7 and the chain saw chain 8 are dismounted, and the chain blocking block 11 is dismounted (the chain blocking block 11 plays a role in supporting and guiding the chain saw chain 8, and the chain blocking block 11 is dismounted to avoid the influence of the chain blocking block 11 on the modified structure because the chain saw chain 8 is dismounted);

the transmission chain strides over a clutch 6 of the chain saw 1 and is sleeved on a chain wheel 5 of the chain saw connected with a chain saw shaft 2, then the connecting plate 123 is respectively connected with a second screw rod 4 and a first screw rod 3 of the chain saw 1 through a fixing hole 1235 and a kidney-shaped hole 1236 through bolts, and the bolts are kept in a loose state;

adjusting the tensioning bolt 1231 to enable the tensioning stop 1232 to press the first screw 3 along the waist-shaped hole 1236, the connecting plate 123 is subjected to reverse pressure to drive the assembly chain wheel 122 to tension the transmission chain, and the bolts on the second screw 4 and the first screw 3 are tightened;

fixing the protective cover 12 to the side of the assembly cavity 133 prevents the rotation of the clutch 6 from creating a safety hazard to a person;

the soil loosening assembly is inserted into the adapter sleeve 1332, the spline shaft of the soil loosening assembly is ensured to be sleeved in the driven spline groove 1281 of the driven gear 128, the first fastening bolt 1333 and the second fastening bolt 1334 are screwed, and the soil loosening assembly is fixed.

Lubricating oil is injected into the oil injection hole 1331 to lubricate the transmission assembly.

Start chain saw 1, chain saw axle 2 drives chain saw sprocket 5 and rotates, chain saw sprocket 5 passes through drive chain and drives subassembly sprocket 122, make the variable speed subassembly operation, the variable speed subassembly drives the running assembly operation through supporting gear 134, the running assembly drives whole repacking structure and chain saw 1 forward motion through supporting tire 172, it moves to drive the assembly that loosens the soil through driven gear 128, the operation of loosening the soil is carried out to the soil, simultaneously pass through engine oil groove 1233 by nozzle 15 spun machine oil and get into engine oil mouth 1234, lubricate the cooling to drive chain by engine oil mouth 1234 spun machine oil.

When other operations are carried out by replacing other operation assemblies, the soil loosening assembly is only required to be detached, and then other operation assemblies are inserted from the adapter sleeve 1332 and fastened for use.

Note: the adaptor suitable for the modified structure provided by the invention comprises assemblies matched with the adaptor sleeve 1332, such as a weeding wheel, a ditching wheel, a grass cutting wheel, high branch scissors, a high branch saw, a water pump and the like, besides the soil loosening assembly adopted in the embodiment, and the adaptor belongs to the protection scope of the invention when the adaptor is adopted.

The power device used by the modified structure provided by the invention is not limited to a chain saw, but also suitable for various power devices, such as an electric chain saw, a pneumatic chain saw and the like.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A chain saw refitting structure comprises a speed change assembly, and is characterized in that one end of the speed change assembly is connected with a chain saw (1), and the other end of the speed change assembly is connected with an adapter (14);

the speed change assembly comprises a driving gear (127), a driven gear (128) in meshing transmission with the driving gear (127), an assembly chain wheel (122) and a support gear (134), wherein the assembly chain wheel (122) is coaxially arranged with the driving gear (127), the assembly chain wheel (122) is in chain transmission connection with a chain saw chain wheel (5) on a chain saw (1) through a transmission chain, and the driven gear (128) is connected with an adapter (14);

the speed change assembly further comprises a shell connected with the chain saw (1), and an assembly shaft (126) arranged inside the shell and sequentially penetrating through the assembly chain wheel (122), the driving gear (127) and the supporting gear (134).

2. The chain saw retrofit structure as set forth in claim 1, characterized in that said housing comprises an assembly cavity (133) and a connecting plate (123) connected with said assembly cavity (133), said connecting plate (123) being provided with a kidney-shaped hole (1236) and a fixing hole (1235), said connecting plate (123) being bolted with a first screw (3) and a second screw (4) on said chain saw (1) through said kidney-shaped hole (1236) and said fixing hole (1235), respectively;

still be provided with vertical regulation hole on connecting plate (123), tensioning bolt (1231) is worn to be equipped with by the regulation hole from top to bottom, the screw rod cover of tensioning bolt (1231) be equipped with screw rod threaded connection's tensioning dog (1232), the upper portion of tensioning dog (1232) with the side lower part contact of first screw rod (3) is connected.

3. The chain saw refitting structure as claimed in claim 2, wherein one end of the driven gear (128) is externally provided with gear teeth, the other end of the driven gear is externally sleeved with a driven bearing (130), and a driven spline groove (1281) is arranged in the driven gear, the driven spline groove (1281) is connected with a spline shaft (141) of the adaptor (14), an adaptor sleeve (1332) connected with the assembly cavity (133) is arranged outside the adaptor (14), and the adaptor sleeve (1332) is connected with the adaptor (14) through a second fastening bolt (1334) and a first fastening bolt (1333).

4. The chain saw modified structure as claimed in claim 3, wherein a walking assembly in meshing transmission with the speed changing assembly is arranged below the speed changing assembly, the walking assembly comprises a support rod (171) connected with the speed changing assembly, a walking gearbox connected with the support rod (171), support tires (172) arranged on two sides of the walking gearbox, and a tire spindle (173) penetrating through the walking gearbox and connected with the support tires (172), the side portion of the support rod (171) is connected with a support platform (16), and the support platform (16) is connected with the chain saw (1).

5. A chain saw retrofitting structure according to claim 4, characterized in that said support bar (171) comprises a support housing (1711), an upper gear (1712) and a middle gear (1713) coaxially arranged inside said support housing (1711), said walking gearbox comprises a gearbox body and a lower gear (1714) arranged inside said gearbox body, said upper gear (1712) is in meshing connection with said support gear (134), said lower gear (1714) is in meshing connection with said middle gear (1713), a support interface (136) is arranged at the side of said assembly cavity (133), the upper part of said support housing (1711) is connected with said support interface (136), and the lower part of said support housing (1711) is connected with said gearbox body.

6. The chain saw refitting structure as claimed in claim 2, wherein an oil sump (1233) and an oil port (1234) communicated with the oil sump (1233) are further provided on the connecting plate (123), the oil jet (15) is provided on the chain saw (1), and the oil sump (1233) and the oil jet (15) are detachably connected.

7. A chainsaw retrofitting structure according to claim 2, characterized in that said assembly chamber (133) is further provided with an oil hole (1331) for lubricating the gear change assembly, and that the sides of said assembly chamber (133) are provided with a protective cover (12).

8. A chain saw modification method based on a chain saw modification structure as claimed in any one of claims 1 to 8, characterized by comprising the following steps:

step S1: removing a side cover (9) and a front baffle (10) of the chain saw (1), adjusting a bolt on the guide plate (7), removing the guide plate (7) and the chain (8) of the chain saw, and removing the chain blocking block (11);

s2, respectively sleeving a transmission chain on the chain wheel (5) of the chain saw and the chain wheel (122) of the assembly, and respectively connecting the connecting plate (123) with a second screw (4) and a first screw (3) of the chain saw (1) through a fixing hole (1235) and a kidney-shaped hole (1236) through bolts, wherein the bolts are kept in a loose state;

and step S3: adjusting the tensioning bolt (1231) to enable the tensioning stop block (1232) to push the kidney-shaped hole (1236) to slide along the first screw rod (3), the connecting plate (123) drives the assembly chain wheel (122) to tension the transmission chain, bolts of the second screw rod (4) and the first screw rod (3) are tightened, and the protective cover (12) is installed on the connecting plate (123);

and S4, inserting the adapter (14) into the adapter sleeve (1332), ensuring that the spline shaft (141) of the adapter (14) is sleeved in the driven spline groove (1281) of the driven gear (128), and screwing the first fastening bolt (1333) and the second fastening bolt (1334).

And S5, lubricating oil is injected into the oil injection hole (1331) to lubricate the speed change assembly.

And S6, starting the chain saw (1), driving a component chain wheel (122) by a transmission chain through a chain saw chain wheel (5) to enable the speed change component to operate, driving the walking component to operate through a supporting gear (134) by the speed change component, driving the adaptor (14) to operate through a driven gear (128), simultaneously enabling engine oil sprayed from the oil spray opening (15) to enter an engine oil opening (1234) through an engine oil groove (1233), and spraying from the engine oil opening (1234) to lubricate and cool the transmission chain (13).