阅读说明：本技术 一种便携式树木造型液压剖枝钳 (Portable hydraulic branch cutting pliers for tree modeling ) 是由 朱建锡 王杰 郑涛 沈建生 费焱 陈长卿 王轶 傅剑 王洁 于 2021-09-10 设计创作，主要内容包括：本发明提供了一种便携式树木造型液压剖枝钳,属于园林技术领域。它解决了现有的剖枝钳费力、树径超过5cm无法剖枝等问题。本发明包括液压缸及两个铰接相连的刀体,刀体分为剪切段和驱动段,两剪切段的刀刃相对设置,液压缸活塞杆的伸出端铰接在其中一驱动段上,缸体固定在另一驱动段上,两驱动段之间还设有一限位件,当两驱动段相对靠近使两刀刃相对靠近至一极限距离时,限位件挡在两驱动段相对靠近的路径上,该液压剖枝钳还包括与驱动段一一对应的辅助手柄,两辅助手柄的一端相互铰接,且辅助手柄与对应的驱动段铰接相连。本发明的优点在于液压驱动、破枝力大、方便省力。(The invention provides a portable tree-modeling hydraulic branch cutting pliers, and belongs to the technical field of gardens. It has solved current branch pincers hard, the tree footpath surpasses 5cm and can't cut open branch scheduling problem. The hydraulic branch cutting pliers comprise a hydraulic cylinder and two cutter bodies which are hinged and connected, wherein the cutter bodies are divided into a cutting section and a driving section, the cutting edges of the two cutting sections are arranged oppositely, the extending end of a piston rod of the hydraulic cylinder is hinged on one driving section, a cylinder body is fixed on the other driving section, a limiting piece is arranged between the two driving sections, when the two driving sections are relatively close to each other to enable the two cutting edges to be relatively close to a limit distance, the limiting piece is blocked on a path where the two driving sections are relatively close to each other, the hydraulic branch cutting pliers further comprise auxiliary handles which correspond to the driving sections one by one, one ends of the two auxiliary handles are hinged with each other, and the auxiliary handles are hinged and connected with the corresponding driving sections. The invention has the advantages of hydraulic drive, large branch breaking force, convenience and labor saving.)

1. A portable hydraulic branch cutting pliers for tree modeling is characterized by comprising two cutter bodies which are hinged and connected, wherein the cutter bodies are strip-shaped, the cutter bodies are divided into a cutting section (1) and a driving section at the hinged position of the cutter bodies, one end of the cutting section (1) is integrally formed with the driving section, the other end of the cutting section is a cutting edge (2), the cutting edges (2) of the two cutting sections (1) are oppositely arranged, the two driving sections enable the two cutting edges (2) to be synchronously and relatively close to or far away from each other through relative approach or far away, the hydraulic branch cutting pliers further comprise a hydraulic cylinder, the hydraulic cylinder comprises a cylinder body (13) and a piston rod (14) arranged on the cylinder body (13), one end of the piston rod (14) is positioned in the cylinder body (13), the other end of the piston rod extends out of the cylinder body (13) and is hinged on one of the driving sections, the cylinder body (13) is fixed on the other driving section, a limiting piece (17) is further arranged between the two driving sections, when two drive sections are close to relatively and make two cutting edges (2) be close to a limit distance, locating part (17) keep off on the route that two drive sections are close to relatively, hydraulic pressure dissects branch pincers still include with drive section one-to-one auxiliary handle (19), the one end of two auxiliary handle (19) is articulated each other, and auxiliary handle (19) are articulated continuous with the drive section that corresponds, above-mentioned cutting edge (2) are located the one end of cutter body, and auxiliary handle (19) are located the other end of cutter body with the articulated department that corresponds the drive section, hydraulic pressure dissects branch pincers still include hydraulic pump (11) that drive hydraulic cylinder piston rod (14) moved.

2. The portable hydraulic branch cutting pliers with the tree shape as claimed in claim 1, wherein the cutting section (1) is formed by combining a handle (3) and a tool bit (4) which are separately arranged, one end of the handle (3) is integrally formed with the driving section, the other end of the handle is detachably connected with the tool bit (4), the cutting edge (2) is positioned at one end of the tool bit (4), the other end of the tool bit (4) is spliced with the handle (3), an outer convex portion (5) protruding towards the handle (3) is arranged on the tool bit (4), the outer periphery of the outer convex portion (5) is arc-shaped, the outer periphery of the outer convex portion (5) is larger than a semicircle, the arc at the joint of the outer convex portion (5) and the tool bit (4) is in transition, an inner groove for the outer convex portion (5) to be embedded into is formed in the handle (3), the inner periphery of the inner groove is matched with the outer periphery of the outer convex portion (5) in shape, and the inner groove penetrates through the handle (3) in the thickness direction, still be equipped with first screw on the cutter body, be equipped with on handle of a knife (3) with first screw complex first counter bore (6), first screw and first counter bore (6) link to each other through the bolt, the axle center extending direction of first screw and first counter bore (6) is unanimous with the evagination direction of above-mentioned outer convex part (5).

3. The portable hydraulic branch cutting pliers with the tree shape according to claim 2 is characterized in that a positioning groove (7) is formed in the periphery of the cutter body, the groove width direction of the positioning groove (7) is the thickness direction of the cutter handle (3), the positioning groove (7) penetrates through the cutter head (4) and the cutter handle (3) simultaneously, a positioning piece (8) is embedded in the positioning groove (7), the width of the positioning groove (7) is gradually reduced in the process of extending from a groove opening to a groove bottom, the cross section of the positioning piece (8) is matched with that of the positioning groove (7), second screw holes (9) are formed in the cutter head (4) and the cutter handle (3), second counter bores (10) corresponding to the second screw holes (9) in one-to-one mode are formed in the positioning piece (8), and the second screw holes (9) are connected with the second counter bores (10) through screws.

4. The portable hydraulic tree pruning pliers according to claim 1, 2 or 3, wherein the cutter bodies are provided with abutting surfaces (18) extending along the length direction of the cutter bodies, the abutting surfaces (18) of the cutter bodies abut against each other at the joint of the cutter bodies, the limiting member (17) is rod-shaped, one end of the limiting member (17) is connected to the abutting surface (18) of one of the cutter bodies, and the other end is a free end facing the side portion of the other cutter body.

5. The portable hydraulic branch cutting pliers as claimed in claim 4, wherein the limiting member (17) is hinged to one of the cutter bodies through a hinge shaft, and a locking member for limiting the rotation of the hinge shaft is provided on the corresponding cutter body.

6. The portable hydraulic branch cutting pliers as claimed in claim 5, wherein one end of the hinge shaft is fixedly connected to the limiting member (17), the other end of the hinge shaft passes through the corresponding cutter body and is connected to the locking member, the locking member is a nut, and the hinge shaft is provided at its outer periphery with an external thread engaged with the nut.

7. The portable hydraulic tree-modeling pruning pliers according to claim 1, 2 or 3, wherein the hinged position of the piston rod (14) and the corresponding driving section is a hinged position (15), the fixed position of the cylinder body (13) and the corresponding driving section is a fixed position (16), and the distance between the hinged position (15) and the hinged position of the two cutter bodies is the same as the distance between the hinged position of the two cutter bodies and the fixed position (16).

8. The portable tree-shaped hydraulic branch cutting pliers as claimed in claim 1, 2 or 3, wherein the joint of the auxiliary handle (19) and the corresponding driving section is located at 1/3 of the length of the auxiliary handle (19), one end of the auxiliary handle (19) is a hinged end hinged with the auxiliary handle (19) at the other end, the other end of the auxiliary handle (19) is a free end, and the free end is far away from the joint of the auxiliary handle (19) and the corresponding driving section relative to the hinged end.

Technical Field

The invention belongs to the technical field of gardens, relates to a tree modeling tool, and particularly relates to portable tree modeling hydraulic branch cutting pliers.

Background

With the development of national economy and the improvement of living standard of people, the demand of ornamental and modeling trees in landscape architecture is increasing day by day. When a tree is made into an ornamental tree, a modeler needs to change the natural growth state of partial branches according to the integral shape of the tree, transversely or obliquely bend the branches to required positions and then fix the branches. The most common method for shaping the tree is to split a cross crack with the length of about 50cm from a branch and then twist the branch in the direction, and the method has the advantages of easy bending of the branch, difficult breakage of the branch, small damage to the tree, quick growth and recovery of the branch and the like. At present, although there are manual branch cutting pliers with force reducing rods, branches with diameters of more than 5cm cannot be cut by manpower.

Disclosure of Invention

The invention aims to meet the requirement of breaking trees, and provides a hydraulic branch cutting pliers which is used for breaking trees, is hydraulically driven, has high branch breaking force, and is convenient and labor-saving.

The purpose of the invention can be realized by the following technical scheme:

a portable hydraulic branch cutting pliers for shaping tree is composed of two hinged cutter bodies, a cutting segment consisting of a cylinder body and a piston rod on said cylinder body, a driving segment with opposite cutting edges, a hydraulic cylinder consisting of a cylinder body and a piston rod, and a limiting part between two driving segments for blocking the path of two cutting edges when two cutting edges are close to each other, the hydraulic branch cutting pliers comprise a cutter body, two auxiliary handles, a hydraulic cylinder and a hydraulic pump, wherein one ends of the two auxiliary handles are hinged with each other, the auxiliary handles are hinged with the corresponding driving sections respectively, the cutting edge is located at one end of the cutter body, the hinged position of the auxiliary handles and the corresponding driving sections is located at the other end of the cutter body, and the hydraulic branch cutting pliers further comprise the hydraulic pump for driving the piston rod of the hydraulic cylinder to move.

In the portable hydraulic branch cutting pliers for tree modeling, the cutting section is formed by combining the cutter handle and the cutter head which are arranged in a split manner, one end of the cutter handle is integrally formed with the driving section, the other end of the cutter handle is detachably connected with the cutter head, the cutting edge is positioned at one end of the cutter head, the other end of the cutter head is spliced with the cutter handle, the cutter head is provided with an outer convex part which is convex towards the cutter handle, the outer periphery of the outer convex part is arc-shaped, the outer circular arc of the outer convex part is larger than a semicircle, the circular arc transition of the joint of the outer convex part and the cutter head is realized, the cutter handle is provided with an inner groove for the outer convex part to be embedded in, the inner periphery of the inner groove is matched with the outer periphery of the outer convex part in shape, the inner groove penetrates through the cutter handle along the thickness direction of the cutter handle, the cutter body is further provided with a first screw hole, the cutter handle is provided with a first counter bore matched with the first screw hole, the first screw hole is connected with the first counter bore through a bolt, and the extending direction of the axle center of the first screw hole and the extending direction of the axle center of the first counter bore are consistent with the protruding direction of the outer convex part.

In foretell hydraulic pressure of a portable trees molding dissects a pincers, be equipped with a constant head tank in the cutter body periphery, the groove width direction of constant head tank is the thickness direction of handle of a knife, and the constant head tank runs through tool bit and handle of a knife simultaneously, and a constant head tank gomphosis is in the constant head tank, the constant head tank extends the in-process width from the notch to the tank bottom and reduces gradually, setting element cross section and constant head tank cross section cooperation setting, all seted up the second screw on tool bit and the handle of a knife, be equipped with on the setting element with the second counter bore of second screw one-to-one, second screw and second counter bore pass through the screw and link to each other.

In the portable hydraulic branch cutting pliers for tree modeling, the limiting part is positioned between the hinged part of the two cutter bodies and the hydraulic cylinder.

In the above-mentioned portable hydraulic branch cutting pliers for tree modeling, the limiting part is a spring, and two ends of the spring are respectively connected to the two driving sections.

In foretell hydraulic pressure of a portable trees molding cuts open branch pincers, be equipped with on the cutter body along the cutter body length direction extension paste the face, the face of pasting of two cutter bodies pastes at the articulated department of two cutter bodies each other and pastes, above-mentioned locating part is shaft-like, and the one end of locating part is connected on the face of pasting of one of them cutter body, and the other end is the lateral part of free end and free end orientation another cutter body.

In foretell hydraulic pressure of a tree molding cuts open branch pincers, the locating part articulates on one of them cutter body through an articulated shaft, is equipped with the pivoted retaining member of restriction articulated shaft on the corresponding cutter body.

In foretell hydraulic pressure of a portable trees molding cuts open branch pincers, articulated shaft one end links firmly with the locating part, and the other end passes and connects above-mentioned retaining member behind the corresponding cutter body, and the retaining member is a nut, is equipped with on the articulated shaft periphery with nut complex external screw thread.

In foretell hydraulic pressure of a tree molding cuts open branch pincers, the piston rod is articulated the position with corresponding the drive section articulated, the cylinder body is fixed the position with corresponding the drive section fixed department, and the distance of articulated the position of two relative cutter bodies of articulated position is the same with the distance of two relative cutter body articulated positions of fixed position.

In the portable hydraulic branch cutting pliers for tree modeling, the hinge position and the fixing position are located at the middle positions corresponding to the lengths of the driving sections.

In the portable hydraulic branch cutting pliers with the tree shape, the hydraulic pump can be carried on the back of a human body through a fixing device.

In the above portable hydraulic tree-modeling branch cutting pliers, the fixing device is a basket carried on the back.

In the above portable hydraulic tree-modeling branch cutting pliers, the fixing device is two straps connected and fixed to the hydraulic pump.

In foretell hydraulic pressure of a portable trees molding cuts open branch pincers, the hinged part of auxiliary handle and corresponding drive section is located 1/3 department of auxiliary handle length, and auxiliary handle one end is the hinged end with other end auxiliary handle looks articulated, and the auxiliary handle other end is the free end, and the hinged part of auxiliary handle and corresponding drive section is kept away from to the relative hinged end of free end.

Compared with the prior art, the invention has the advantages that: the hydraulic cylinder drives the cutter body to break branches, so that the branch breaking device is convenient and labor-saving, the auxiliary handle assists the hydraulic branch cutting pliers to open and close, and the limiting piece prevents the cutter body from colliding; the driving section is used for driving by a hydraulic cylinder, the shearing section is divided into a cutter head and a cutter handle, the cutter head is detachable and convenient to replace after being worn, the maximum opening ranges of the cutter heads with different lengths can be different, and the cutter heads with different lengths can be arranged according to the thickness of the tree; the cutter head is spliced with the cutter handle through the outer convex part and the inner groove, the outer periphery of the outer convex part and the inner periphery of the inner groove are both larger than semicircles, the outer convex part can be prevented from being pulled out of the inner groove, the outer convex part can be reliably limited in the outward protruding direction by matching with a bolt, external force damage is prevented, meanwhile, the thickness direction of the outer convex part can be limited through the positioning part and the positioning groove, and the installation is firm and reliable; the locating slot is through, which is convenient for taking out the locating piece.

Drawings

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

FIG. 2 is a schematic view of the present invention with the hydraulic pump removed;

FIG. 3 is an enlarged view of the structure at I of FIG. 1;

fig. 4 is a schematic view of the structure of the cutter head.

In the figure, 1, a shear segment; 2. a blade; 3. a knife handle; 4. a cutter head; 5. an outer convex portion; 6. a first counterbore; 7. positioning a groove; 8. a positioning member; 9. a second screw hole; 10. a second counterbore; 11. a hydraulic pump; 12. an oil pipe; 13. a cylinder body; 14. a piston rod; 15. a hinge position; 16. fixing the position; 17. a limiting member; 18. a contact surface; 19. an auxiliary handle.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the portable hydraulic tree-modeling branch cutting pliers provided by the invention comprise two cutter bodies which are hinged and connected, wherein the cutter bodies are strip-shaped, the cutter bodies are divided into a shearing section 1 and a driving section at the hinged positions of the cutter bodies, the shearing section 1 is similar to a 7 shape, one end of the shearing section 1 is integrally formed with the driving section, the other end of the shearing section 1 is a cutting edge 2, the cutting edges 2 of the two shearing sections 1 are oppositely arranged, and the two driving sections are driven to be close to or far away from each other by external force (even if the two cutter bodies rotate relatively) so that the two cutting edges 2 can be synchronously and relatively close to or far away from each other, thereby forming a shearing action.

The shearing section 1 is formed by combining a cutter handle 3 and a cutter head 4 which are arranged in a split mode, the cutter head 4 is made of hard alloy, one end of the cutter handle 3 is integrally formed with the driving section, the other end of the cutter handle is detachably connected with the cutter head 4, the cutting edge 2 is positioned at one end of the cutter head 4, the other end of the cutter head 4 is spliced with the cutter handle 3, the width of the cutter head 4 is gradually increased in the process of extending from the cutting edge 2 to the other end, an outer convex part 5 which protrudes towards the cutter handle 3 is integrally formed on the cutter head 4, the outer periphery of the outer convex part 5 is arc-shaped, the outer periphery of the outer convex part 5 is larger than a semicircle, the axial direction of the outer periphery of the outer convex part 5 is the thickness direction of the cutter head 4, the arc transition at the joint of the outer convex part 5 and the cutter head 4 prevents the stress concentration point from being formed through the arc transition, the service life of the cutter head 4 is prolonged, an inner groove for the outer convex part 5 to be embedded into is formed in the cutter handle 3, the inner periphery of the inner groove is matched with the outer convex part 5 in shape, the inner periphery that also is circular-arc and inner groovy is interior circular arc more than the semicircle promptly, the inner groovy runs through handle of a knife 3 thickness direction along handle of a knife, during the installation, outer convex part 5 can only be followed in the inner groovy link up the direction embedding inner groovy, outer convex part 5's periphery and inner groovy are greater than semicircular setting and are in order to carry out spacing once to outer convex part 5, prevent that outer convex part 5 from following the inner periphery circular arc opening and deviating from the inner groovy, be equipped with a first screw of wearing out outer convex part 5 on tool bit 4, be equipped with on the handle of a knife 3 with first screw complex first counter bore 6, first screw and first counter bore 6 pass through the bolt and link to each other, the axle center extending direction of first screw and first counter bore 6 is unanimous with the evagination direction of outer convex part 5, make tool bit 4 and handle of a knife 3 relatively fixed through the bolt.

A positioning groove 7 is arranged on the periphery of the cutter body, the groove width direction of the positioning groove 7 is the thickness direction of the cutter handle 3, the positioning groove 7 simultaneously penetrates through the cutter head 4 and the cutter handle 3, a positioning piece 8 is embedded in the positioning groove 7, the width of the positioning groove 7 is gradually reduced in the process of extending from the groove opening to the groove bottom, the cross section of the positioning groove 7 is trapezoidal, the cross section of the positioning piece 8 is matched with the cross section of the positioning groove 7, the positioning piece 8 is tightly matched with the positioning groove 7 and is further fixed, second screw holes 9 are respectively arranged on the cutter head 4 and the cutter handle 3, second counter bores 10 which are in one-to-one correspondence with the second screw holes 9 are arranged on the positioning piece 8, the second screw holes 9 are connected with the second counter bores 10 through screws, the direction that the external convex part 5 is embedded into the inner groove is further reinforced through the positioning groove 7, the positioning part 8 and the screw, and the device is mainly used for resisting the stress in the thickness direction of the tool holder 3 and preventing the bolt in the first screw hole from being damaged due to independent stress during branch breaking.

The hydraulic branch cutting pliers further comprise auxiliary handles 19 which correspond to the driving sections one to one, one ends of the two auxiliary handles 19 are hinged with each other, the auxiliary handles 19 are hinged with the corresponding driving sections, the cutting edge 2 is located at one end of the cutter body, the hinged position of the auxiliary handle 19 and the corresponding driving section is located at the other end of the cutter body, the hinged position of the auxiliary handle 19 and the corresponding driving section is located at 1/3 of the length of the auxiliary handle 19, one end of the auxiliary handle 19 is a hinged end hinged with the auxiliary handle 19 at the other end, the other end of the auxiliary handle 19 is a free end, and the hinged end opposite to the free end is far away from the hinged position of the auxiliary handle 19 and the corresponding driving section. The auxiliary handle 19 is mainly used to assist in opening the hydraulic secant forceps, even if the two drive sections are opened away from each other.

The hydraulic pruning clamp further comprises a hydraulic cylinder and a hydraulic pump 11, the hydraulic pump 11 is connected with the hydraulic cylinder through an oil pipe 12, the hydraulic pump 11 can be an electric hydraulic pump 11 or a manual hydraulic pump 11, the hydraulic cylinder can be a single-action hydraulic cylinder or a double-action hydraulic cylinder, the hydraulic cylinder comprises a cylinder body 13 and a piston rod 14 arranged on the cylinder body 13, one end of the piston rod 14 is positioned in the cylinder body 13, the other end of the piston rod 14 extends out of the cylinder body 13, the piston rod 14 of the hydraulic cylinder can retract into the cylinder body 13 under the driving of the hydraulic pump 11, so that the two driving sections can be close to each other under the driving of the piston rod 14, the extending end of the piston rod 14 is hinged on one of the driving sections, the cylinder body 13 is fixed on the other driving section, the hinged position 15 of the piston rod 14 and the corresponding driving section is a fixed position 16, the hinged position of the hinge position 15 relative to the two cutter bodies is the same as the hinged position of the fixed position 16 relative to the two cutter bodies, and the hinge position 15 and the fixed position 16 are located at the middle position corresponding to the length of the driving section.

A limiting part 17 is arranged between the two driving sections, the limiting part 17 is positioned between the hinging part of the two cutter bodies and the hydraulic cylinder, the cutter bodies are provided with abutting surfaces 18 extending along the length direction of the cutter bodies, the abutting surfaces 18 of the two cutter bodies abut against each other at the hinging part of the two cutter bodies, the limiting part 17 is rod-shaped, one end of the limiting part 17 is hinged on one of the cutter bodies through a hinging shaft, the other end is a free end, the free end faces to the side part of the other cutter body, the cutter bodies are provided with a locking part for limiting the rotation of the hinging shaft, the locking part is a nut, one end of the hinging shaft is integrally connected with the limiting part 17, the other end of the hinging shaft penetrates through the cutter bodies and then is connected with the nut, the limiting part 17 can be locked and released through screwing and releasing the nut, when the two driving sections are relatively close to enable the two blades 2 to be relatively close to a limit distance, the free end of the limiting part 17 abuts against the side part of the corresponding cutter body, the limit distance is the minimum distance allowed between the two cutting edges 2, the limiting part 17 is used for limiting the minimum distance between the two driving sections, so that the minimum distance between the two cutting edges 2 is controlled, the two cutting edges 2 are prevented from colliding, the limit distance controlled by the limiting part 17 can be adjusted by rotating the limiting part 17, the design aims to be matched with the cutting heads 4 with different lengths for use, the limiting part 17 can also be a spring, when the limiting part 17 is the spring, two ends of the spring are respectively connected to the two driving sections, the two driving sections are relatively close to each other, so that the two cutting edges 2 are relatively close to each other, the spring is compressed in the process, and therefore the elastic force of the spring can also assist the auxiliary handle 19 in opening the hydraulic branch cutting pliers.

The hydraulic pump 11 can be carried on the back of the human body through a fixing device, the fixing device can be a pack basket, the hydraulic pump 11 is directly placed in the pack basket, the pack basket is carried on the human body through a back rope, the fixing device can also be two straps which are connected and fixed on the hydraulic pump 11, and the hydraulic pump 11 can be carried on the back of the human body to facilitate the branch breaking operation.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended sense, i.e., in a sense equivalent to "including at least … …", and not in a closed sense, i.e., in a sense not to be interpreted as "including only … …".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.