CN216218945U

CN216218945U - Branches of tall trees saw with activity tongs

Info

Publication number: CN216218945U
Application number: CN202122992424.9U
Authority: CN
Inventors: 胡贯中; 鲍远中; 张绪国
Original assignee: Lu'an Jinyuan Landscape Construction Co ltd
Current assignee: Lu'an Jinyuan Landscape Construction Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-04-08
Anticipated expiration: 2031-11-27

Abstract

The application discloses branches of tall trees saw with activity tongs relates to branches of tall trees saw technical field, especially relates to a branches of tall trees saw with activity tongs, including the assembly bottom plate, install in the saw blade of assembly bottom plate top, be fixed in the equipment curb plate of assembly bottom plate top surface and set up in the assembly bottom plate bottom surface is used for adjusting the supporting mechanism of assembly bottom plate height, the assembly bottom plate bottom surface is rotated and is installed the worm, the equipment curb plate side is rotated and is installed the worm wheel, the saw blade is fixed in the worm wheel outer peripheral face, the worm wheel with the worm meshes mutually, and the problem that the operating angle that the branches of tall trees saw can't be adjusted according to actual branches of tall trees angle has been improved in this application.

Description

Branches of tall trees saw with activity tongs

Technical Field

The application relates to the technical field of pole saws, in particular to a pole saw with a movable gripper.

Background

The high branch saw is a high branch pruning saw, is one of garden machines commonly used for pruning trees in landscaping, is a garden machine with high difficulty and high risk of single-person operation, and has the main application fields of landscaping, yard maintenance, highway cleaning, forest fire prevention, crop harvesting and the like.

Chinese utility model patent that the bulletin number is CN208425240U discloses a branches of tall trees saw, including metal saw bit and telescopic link, the telescopic link includes pole and outer pole in the metal, and inside pole and the outer pole were worn to locate in the metal, pole and metal saw bit can be dismantled in the metal and be connected, and outer pole includes the outer pole of metal and fixed connection in the insulating outer pole of high pressure resistant of outer pole lower extreme of fixed connection on outer pole top, metal outer pole outer peripheral face fixedly connected with high pressure alarm.

In view of the above-mentioned related art, the inventor believes that, in the use process of the pole saw, the top of the metal inner rod is not provided with a rotating device for adjusting the angle of the metal saw blade, so that when the metal saw blade is arranged on the top of the metal inner rod, the metal saw blade cannot be adjusted in angle. When the high branch saw is used for trimming branches with shapes difficult to trim, the working angle of the high branch saw cannot be adjusted according to the actual branch angle of the high branch.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high branch saw with activity tongs, can't adjust according to actual high branch angle in order to improve the problem that the working angle of high branch saw can't be adjusted.

The application provides a branches of tall trees saw with activity tongs adopts following technical scheme:

the utility model provides a branches of tall trees saw with activity tongs, including the equipment bottom plate, install in the saw blade of equipment bottom plate top, be fixed in the equipment curb plate of equipment bottom plate top surface and set up in the equipment bottom plate bottom surface is used for adjusting the supporting mechanism of equipment bottom plate height, the equipment bottom plate bottom surface is rotated and is installed the worm, equipment curb plate side is rotated and is installed the worm wheel. The saw blade is fixed in the worm wheel peripheral face, the worm wheel with the worm meshes mutually.

Through adopting above-mentioned technical scheme, the meshing between worm wheel and the worm has self-locking function, and the worm can drive the worm wheel and rotate promptly, and the worm wheel can not drive the worm and rotate. The worm is screwed to drive the worm wheel to rotate, and the worm wheel drives the saw blade to rotate, so that the rotation angle of the saw blade is adjusted by the worm; when the saw blade is in the cutting branch, under the circumstances of not driving worm pivoted, because self-locking function between worm wheel and the worm, the saw blade can't rotate, and this application has improved the problem that the working angle of branches of tall trees can't be adjusted according to actual branches of tall trees angle.

Optionally, the supporting mechanism includes a first sleeve installed below the assembly bottom plate and a second sleeve penetrating the first sleeve, a top surface of the first sleeve is provided with a locking mechanism for preventing the second sleeve from sliding, a top end of the second sleeve is fixed to a bottom surface of the assembly bottom plate, and a bottom surface of the first sleeve is provided with a driving mechanism for driving the worm to rotate.

Through adopting above-mentioned technical scheme, the second sleeve can slide along first sleeve length direction, at first adjusts the second sleeve to suitable position, then locks the second sleeve through locking mechanism to this realizes that this branches of tall trees saw can adjust length, and is adjusted suitable length until this branches of tall trees saw.

Optionally, the locking mechanism includes a limiting chuck fixed on the top surface of the first sleeve and a limiting cover sleeved on the outer circumferential surface of the second sleeve, the limiting chuck is provided with a cross groove penetrating through the circumferential surface of the limiting chuck, the cross groove is a notch with a cross-shaped cross section, and the end of the second sleeve penetrates through the limiting chuck; the bottom surface of the limiting cover is provided with a limiting circular groove, the inner peripheral surface of the limiting circular groove is an inclined surface, the diameter of the top surface of the limiting circular groove is smaller than that of the bottom surface of the limiting circular groove, and the limiting cover is in threaded connection with the limiting chuck.

Through adopting above-mentioned technical scheme, the spacing lid is revolved soon to manual, and spacing lid slides downwards through revolving soon, and the toper head section of spacing chuck draws in towards the second sleeve through spacing circular slot, increases the frictional force between spacing chuck and the second sleeve through the increase extrusion force to this realization prevents the telescopic slip of second.

Optionally, the driving mechanism includes an assembly box fixed on the bottom surface of the first sleeve, a rotating straight rod rotatably mounted in the assembly box, a first bevel gear fixed on the periphery of the rotating straight rod, and a second bevel gear rotatably mounted in the assembly box, the first bevel gear is meshed with the second bevel gear, and a transmission mechanism for enabling the worm and the second bevel gear to rotate synchronously is arranged on the top surface of the second bevel gear.

Through adopting above-mentioned technical scheme, drive bevel gear one through rotating the straight-bar and rotate, bevel gear drives and drives bevel gear two and rotate, and bevel gear two drives the worm synchronous rotation through drive mechanism, and the worm drives the worm wheel and rotates, and the worm wheel drives the saw blade and rotates to this rotation angle that realizes the drive rotation straight-bar and adjust the saw blade.

Optionally, the transmission mechanism includes a driving sleeve fixed to the two top surfaces of the bevel gear and a driving straight rod penetrating through the driving sleeve, the driving sleeve penetrates through the assembly box and is located inside the first sleeve, the end of the driving straight rod penetrates through the second sleeve and is fixed to the bottom end of the worm, and a guide mechanism for guiding the driving straight rod is arranged on the inner circumferential surface of the driving sleeve.

Through adopting above-mentioned technical scheme, drive the drive sleeve through bevel gear two and rotate, drive sleeve drives the drive straight-bar and rotates, and the drive straight-bar drives the worm and rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives the saw blade and rotates to this rotation straight-bar regulation saw blade's turned angle is realized rotating.

Optionally, the driving straight rod is provided with a limiting through groove penetrating through the circumferential side surface of the driving straight rod along the length direction of the driving straight rod, the guide mechanism comprises a limiting projection fixed on the inner circumferential surface of the driving sleeve, and the limiting projection is located in the limiting through groove.

Through adopting above-mentioned technical scheme, drive sleeve inner peripheral surface fixedly connected with spacing lug, spacing lug is located spacing logical inslot to when this realization drive straight-bar slided along drive sleeve length direction, the drive straight-bar can rotate along with drive sleeve's rotation.

Optionally, the equipment bottom plate side is fixed with the support straight board, support straight board side and be provided with the scissors mechanism that is used for pruning branch, scissors mechanism is including being fixed in support the first blade of straight board side and articulate in the second blade of first blade side, first blade with the cutting edge has all been seted up to the side that the second blade is close to each other, second blade side is fixed with tensile straight-bar, tensile straight-bar is kept away from the tip of second blade is provided with and is used for the drive the canceling release mechanical system that the second blade resets.

Through adopting above-mentioned technical scheme, when carrying out high branch and pruning, the cutting edge through first blade and the cutting edge of second blade are closed each other and are pruned high branch. The flexible branch that the saw blade can't cut can be pruned to scissors mechanism, and scissors mechanism and saw blade use of arranging can prune the branch of different hardness and thickness.

Optionally, the reset mechanism includes an extension spring fixed to an end portion of the extension straight rod far away from the second blade body, and an end portion of the extension spring far away from the extension straight rod is fixed to a side surface of the first blade body.

Through adopting above-mentioned technical scheme, when pruning the work to the branch, first blade and second blade are closed under through the exogenic action to this realizes that this branches are pruned to branches. After the trimming is finished, the second blade body is restored to the far position through the extension spring, and the next trimming work is prepared.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the worm wheel and the worm are meshed to have a self-locking function, namely the worm can drive the worm wheel to rotate, and the worm wheel cannot drive the worm to rotate. Through revolving to twist the worm and drive the worm wheel and rotate, the worm wheel drives the saw blade and rotates to this rotation angle that realizes the worm and adjust the saw blade, the problem that the operating angle of branches angle can't be adjusted according to actual branches of tall trees to this application has improved the branches saw.

2. The limiting cover is manually screwed, the limiting cover vertically slides downwards through screwing, the conical head section of the limiting chuck is folded towards the second sleeve through the limiting circular groove, and the friction force between the limiting chuck and the second sleeve is increased through increasing the extrusion force, so that the second sleeve is prevented from sliding.

3. A limiting lug is fixed on the inner circumferential surface of the driving sleeve and located in the limiting through groove, so that the driving straight rod can rotate along with the rotation of the driving sleeve when sliding along the length direction of the driving sleeve.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic sectional view of an assembly box in an embodiment of the present application.

Fig. 3 is an exploded view of an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic sectional view of a position-limiting cover in the embodiment of the present application.

Fig. 6 is an enlarged schematic view of part B of fig. 3.

Description of reference numerals: 11. a first sleeve; 12. a second sleeve; 13. a limiting chuck; 14. a first through hole; 15. a cross groove; 16. a limiting cover; 17. a threaded hole; 18. a limiting circular groove; 19. a second through hole; 20. an assembly box; 21. a third through hole; 22. a straight through hole IV; 23. rotating the straight rod; 24. the first ring is pressed; 25. a handle is rotated; 26. a first bevel gear; 27. a fifth through hole; 28. a second bevel gear; 29. a drive sleeve; 30. pressing the second ring; 31. a driving straight rod; 32. a limiting through groove; 33. a limiting bump; 34. assembling a bottom plate; 35. a straight through hole six; 36. pressing the third ring; 37. a worm; 38. a worm gear; 39. assembling the side plates; 40. a straight through hole seventh; 41. assembling a straight rod; 42. a saw blade; 43. a support straight plate; 44. a first blade; 45. a second blade; 46. a blade; 47. stretching the straight rod; 48. an extension spring; 49. a hauling rope; 50. a retaining ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses branches of tall trees saw with activity tongs. Referring to fig. 1, the pole pruning saw with the movable gripper comprises a first sleeve 11 and a second sleeve 12 arranged in the first sleeve 11 in a penetrating way.

Referring to fig. 2 and 3, an assembly box 20 is fixed to a bottom surface of the first socket 11, and the assembly box 20 has a cavity therein. The assembly box 20 is provided with a third through hole 21 penetrating through the left side surface and the right side surface of the assembly box, and the third through hole 21 is communicated with the inside of the assembly box 20; the top surface of the assembly box 20 is provided with a fourth through hole 22, and the fourth through hole 22 is communicated with the inside of the assembly box 20. The rotating straight rod 23 penetrates through the assembly box 20 through the third through hole 21, the first abutting rings 24 are abutted to opposite side surfaces inside the assembly box 20, and the first abutting rings 24 are fixed on the periphery of the rotating straight rod 23, so that the rotating straight rod 23 is rotatably mounted in the assembly box 20. The end part of the rotating straight rod 23 is coaxially and fixedly connected with a rotating handle 25. The side surface of the inside of the assembly box 20 is abutted with a first bevel gear 26, a through hole five 27 is formed in the side surface of the first bevel gear 26, and the first bevel gear 26 is coaxially fixed on the peripheral side of the rotating straight rod 23 through the through hole five 27. The inner top surface of the assembly box 20 is abutted with a second bevel gear 28, and the first bevel gear 26 is meshed with the second bevel gear 28.

Referring to fig. 3 and 4, a limiting chuck 13 is fixedly connected to the top surface of the first sleeve 11, and the limiting chuck 13 is a cylindrical structure with a conical head section. The outer peripheral surface of the limiting chuck 13 is provided with threads, the top surface of the limiting chuck 13 is provided with a first through hole 14, and the first through hole 14 is communicated with the inside of the first sleeve 11. The top surface of the limiting chuck 13 is provided with a cross groove 15 penetrating through the circumferential surface of the limiting chuck 13, the cross groove 15 is a notch with a cross-shaped cross section, and the cross groove 15 is communicated with the first through hole 14. The limiting chuck 13 is provided with a second sleeve 12 through a first through hole 14, so that the second sleeve 12 slides along the length direction of the first sleeve 11.

Referring to fig. 2 and 5, the outer peripheral surface of the second sleeve 12 is sleeved with a limiting cover 16, a threaded hole 17 is formed in the bottom surface of the limiting cover 16, a limiting circular groove 18 is formed in the top surface of the threaded hole 17, the inner peripheral surface of the limiting circular groove 18 is an inclined surface, the diameter of the top surface of the limiting circular groove 18 is smaller than that of the bottom surface of the limiting circular groove 18, a through hole II 19 is formed in the top surface of the limiting circular groove 18, the second sleeve 12 penetrates through the limiting cover 16 through the through hole II 19, and the limiting cover 16 is in threaded connection with the limiting chuck 13. And manually screwing the limiting cover 16, wherein the limiting cover 16 vertically slides downwards through screwing, the conical head section of the limiting chuck 13 is folded towards the second sleeve 12 through the limiting circular groove 18, and the friction force between the limiting chuck 13 and the second sleeve 12 is increased by increasing the extrusion force, so that the second sleeve 12 is prevented from sliding.

Referring to fig. 2 and 6, the top surface of the second bevel gear 28 is fixedly connected with a driving sleeve 29, the driving sleeve 29 is disposed in the first sleeve 11, the outer top surface and the inner top surface of the assembly box 20 are both abutted with a second abutting ring 30, and the second abutting ring 30 is fixedly connected to the outer peripheral surface of the driving sleeve 29, so that the driving sleeve 29 is rotatably mounted on the assembly box 20. The driving sleeve 29 is provided with a driving straight rod 31 in a penetrating manner, and the driving straight rod 31 is arranged in the second sleeve 12. The driving straight rod 31 is provided with a limiting through groove 32 penetrating through the peripheral side face of the driving straight rod 31 in the length direction of the driving straight rod, a limiting lug 33 is fixedly connected to the inner peripheral face of the driving sleeve 29, and the limiting lug 33 is located in the limiting through groove 32, so that the driving straight rod 31 can rotate along with the rotation of the driving sleeve 29 when the driving straight rod 31 slides in the length direction of the driving sleeve 29.

Referring to fig. 2 and 3, the top end of the second sleeve 12 is fixedly connected to an assembly bottom plate 34, a through hole six 35 is formed in the top surface of the assembly bottom plate 34, and the through hole six 35 is communicated with the inside of the second sleeve 12. The top end of the driving straight rod 31 penetrates through the assembly bottom plate 34 through the through hole six 35, the upper side face and the lower side face of the assembly bottom plate 34 are respectively abutted with the third abutting-against circular rings 36, and the third abutting-against circular rings 36 are fixedly connected to the peripheral side of the driving straight rod 31, so that the driving straight rod 31 is rotatably installed on the assembly bottom plate 34. The top end of the driving straight rod 31 is coaxially and fixedly connected with a worm 37, the top surface of the assembling bottom plate 34 is fixed with two assembling side plates 39, the two assembling side plates 39 are arranged on the top surface of the assembling bottom plate 34, a worm wheel 38 is rotatably arranged between the two assembling side plates 39, and the worm wheel 38 is meshed with the worm 37. The side surface of the worm wheel 38 is provided with a through hole seven 40, the worm wheel 38 is provided with an assembling straight rod 41 through the through hole seven 40, and the end part of the assembling straight rod 41 is fixedly connected to the side surface of the assembling side plate 39. The saw blade 42 is fixedly connected to the outer peripheral surface of the worm wheel 38. The rotating handle 25 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the driving sleeve 29 to rotate, the driving sleeve 29 drives the driving straight rod 31 to rotate, the driving straight rod 31 drives the worm 37 to rotate, the worm 37 drives the worm gear 38 to rotate, and the worm gear 38 drives the saw blade 42 to rotate, so that the rotating handle 25 adjusts the rotating angle of the saw blade 42.

Referring to fig. 2, a supporting straight plate 43 is fixedly connected to the rear side of the assembling bottom plate 34, and the supporting straight plate 43 is fixedly connected to both of the assembling side plates 39. The side of the supporting straight plate 43 is fixed with a first blade 44, the side of the first blade 44 is hinged with a second blade 45, the side of the first blade 44 close to the second blade 45 is provided with a blade 46, and the first blade 44 and the second blade 45 can be closed mutually. The side surface of the second blade 45 is fixedly connected with a stretching straight rod 47, the end part of the stretching straight rod 47 far away from the second blade 45 is fixedly connected with a stretching spring 48, and the end part of the stretching spring 48 far away from the stretching straight rod 47 is fixedly connected to the side surface of the first blade 44. The end part of the stretching straight rod 47 far away from the second blade 45 is fixedly connected with a traction rope 49, the peripheral surface of the first sleeve 11 is fixedly connected with two positioning rings 50, and the end part of the traction rope 49 far away from the second blade 45 penetrates through the positioning rings 50 and is positioned on the peripheral side of the first sleeve 11. By pulling the pulling rope 49, the pulling rope 49 drives the stretching straight rod 47 to move, and the stretching straight rod 47 drives the second blade 45 to move, so that the first blade 44 and the second blade 45 are closed.

The implementation principle of the lopper saw with the movable gripper is as follows: firstly, the second sleeve 12 is adjusted to a proper position, and then the second sleeve 12 is locked by screwing the limiting cover 16, so that the length of the pole pruning saw with the movable gripper can be adjusted; when the high branch saw with the movable gripper is adjusted to a proper length, the rotating handle 25 is shaken by hand to adjust the rotating angle of the saw blade 42, so that the high branch saw can be used for pruning branches.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pole pruning saw with a movable gripper comprises an assembly bottom plate (34), a saw blade (42) arranged above the assembly bottom plate (34), an assembly side plate (39) fixed on the top surface of the assembly bottom plate (34) and a supporting mechanism arranged on the bottom surface of the assembly bottom plate (34) and used for adjusting the height of the assembly bottom plate (34), and is characterized in that: the worm (37) are installed in the rotation of equipment bottom plate (34) bottom surface, equipment curb plate (39) side is rotated and is installed worm wheel (38), saw blade (42) are fixed in worm wheel (38) outer peripheral face, worm wheel (38) with worm (37) mesh mutually.

2. The pole saw with the movable grip of claim 1, wherein: the supporting mechanism comprises a first sleeve (11) arranged below the assembling bottom plate (34) and a second sleeve (12) arranged in the first sleeve (11) in a penetrating mode, the top surface of the first sleeve (11) is provided with a locking mechanism used for preventing the second sleeve (12) from sliding, the top end of the second sleeve (12) is fixed to the bottom surface of the assembling bottom plate (34), and the bottom surface of the first sleeve (11) is provided with a driving mechanism used for driving the worm (37) to rotate.

3. The pole saw with the movable grip of claim 2, wherein: the locking mechanism comprises a limiting chuck (13) fixed on the top surface of the first sleeve (11) and a limiting cover (16) sleeved on the outer peripheral surface of the second sleeve (12), the limiting chuck (13) is provided with a cross groove (15) penetrating through the peripheral surface of the limiting chuck, the cross groove (15) is a notch with a cross-shaped cross section, and the end part of the second sleeve (12) penetrates through the limiting chuck (13); the bottom surface of the limiting cover (16) is provided with a limiting circular groove (18), the inner peripheral surface of the limiting circular groove (18) is an inclined surface, the diameter of the top surface of the limiting circular groove (18) is smaller than that of the bottom surface of the limiting circular groove (18), and the limiting cover (16) is in threaded connection with the limiting chuck (13).

4. The pole saw with the movable grip of claim 2, wherein: the driving mechanism comprises an assembly box (20) fixed on the bottom surface of the first sleeve (11), a rotating straight rod (23) rotatably mounted in the assembly box (20), a first bevel gear (26) fixed on the peripheral side of the rotating straight rod (23) and a second bevel gear (28) rotatably mounted in the assembly box (20), the first bevel gear (26) is meshed with the second bevel gear (28), and a transmission mechanism used for enabling the worm (37) and the second bevel gear (28) to rotate synchronously is arranged on the top surface of the second bevel gear (28).

5. The pole saw with the movable grip of claim 4, wherein: the transmission mechanism comprises a driving sleeve (29) fixed on the top surface of the second bevel gear (28) and a driving straight rod (31) penetrating through the driving sleeve (29), the driving sleeve (29) penetrates through the assembly box (20) and is located inside the first sleeve (11), the end of the driving straight rod (31) penetrates through the second sleeve (12) and is fixed at the bottom end of the worm (37), and a guide mechanism for guiding the driving straight rod (31) is arranged on the inner circumferential surface of the driving sleeve (29).

6. The pole saw with the movable grip of claim 5, wherein: the driving straight rod (31) is provided with a limiting through groove (32) penetrating through the peripheral side face of the driving straight rod along the length direction of the driving straight rod, the guiding mechanism comprises a limiting convex block (33) fixed on the inner peripheral face of the driving sleeve (29), and the limiting convex block (33) is located in the limiting through groove (32).

7. The pole saw with the movable grip of claim 1, wherein: the utility model discloses a pruning scissors is characterized in that equipment bottom plate (34) side fixedly connected with supports straight board (43), support straight board (43) side is provided with the scissors mechanism that is used for pruning branch, scissors mechanism including be fixed in support first blade (44) of straight board (43) side and articulate in second blade (45) of first blade (44) side, first blade (44) with cutting edge (46) have all been seted up to the side that second blade (45) are close to each other, second blade (45) side is fixed with tensile straight-bar (47), tensile straight-bar (47) are kept away from the tip of second blade (45) is provided with and is used for the drive the canceling release mechanical system that second blade (45) reset.

8. The pole saw with the movable grip of claim 7, wherein: the reset mechanism comprises an extension spring (48) fixed at the end part of the extension straight rod (47) far away from the second knife body (45), and the end part of the extension spring (48) far away from the extension straight rod (47) is fixed at the side surface of the first knife body (44).