Holding clamp of nut picking machine

The hydraulically driven gripper synchronous gear and chain system solves the problem of pine cone clamps damaging tree trunks during operation, thus protecting pine trees.

CN223810189UActive Publication Date: 2026-01-20颜克祥
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Patent Information

Application Number
CN202520386932.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-20
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

Conventional pine cone clamps can easily damage tree trunks during operation.

Method used

The first and second grippers, driven by hydraulic rods, open and close synchronously via synchronous gears and chains. Combined with pads, the contact surface is increased to prevent scratching the tree trunk.

Benefits of technology

The simultaneous operation of the grippers reduced damage to the trunk and protected the pine tree.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nut picking machine holding clamp, which belongs to the technical field of pine cone picking equipment and comprises a rack, hydraulic rods are symmetrically arranged on the side portions of the rack, a first clamping jaw and a second clamping jaw are rotatably connected to the front portion of the rack, one end of one hydraulic rod is rotatably connected with the first clamping jaw, and the other end of the other hydraulic rod is rotatably connected with the second clamping jaw. One end of one hydraulic rod is rotationally connected with the first clamping jaw, one end of the other hydraulic rod is rotationally connected with the second clamping jaw, the other end of the hydraulic rod is rotationally connected with the rack, synchronous gears are symmetrically and rotationally installed in the rack, the two synchronous gears are meshed with each other to drive the hydraulic rods to extend, and the hydraulic rods are used for pushing the side portions of the first clamping jaw and the second clamping jaw to enable the second clamping jaw to clamp a target pine tree. In the opening and closing process of the first clamping jaw and the second clamping jaw, the chains are used for driving the synchronous gears to rotate, the two synchronous gears change the rotating direction and synchronously act on the chain on the other side, the chains synchronously act on the first clamping jaw and the second clamping jaw in the positive and negative directions, and the first clamping jaw and the second clamping jaw are conveniently kept highly synchronous.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to pine nut picking equipment technical field, especially related to a kind of nut picking machine embrace clamp. BACKGROUND

[0002] When picking pine nut, it is tightly held on pine tree by embrace clamp, and pine nut is dropped by vibrating embrace clamp using vibration machine and by the action of clamping jaw on tree trunk.

[0003] Conventional pine nut embrace clamp drives two clamping jaws to open and close by hydraulic rod, and transmission rod is used to synchronize the opening and closing of two clamping jaws, and the part of transmission rod protruding outward after clamping is easy to scratch pine tree, thereby causing the problem that conventional pine nut embrace clamp is easy to damage tree trunk during working process.

[0004] Therefore, we propose a kind of nut picking machine embrace clamp to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that conventional pine nut embrace clamp is easy to damage tree trunk during working process, and proposes a kind of nut picking machine embrace clamp.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A kind of nut picking machine embrace clamp, including rack, the side of the rack is symmetrically equipped with hydraulic rod, the front of the rack is rotatably connected with first clamping jaw and second clamping jaw, one end of one of hydraulic rod is rotatably connected with first clamping jaw, one end of another hydraulic rod is rotatably connected with second clamping jaw, the other end of the hydraulic rod is rotatably connected with the rack, the inside of the rack is symmetrically rotatably installed with synchronous gear, two synchronous gears are meshed with each other, chain is sleeved between the synchronous gear and first clamping jaw.When hydraulic rod is retracted, first clamping jaw and second clamping jaw are opened by pulling the side of first clamping jaw and second clamping jaw through hydraulic rod, after first clamping jaw and second clamping jaw are sleeved outside target pine tree, hydraulic rod is driven to elongate, the side of first clamping jaw and second clamping jaw is pushed by hydraulic rod, so that second clamping jaw clamps target pine tree, during the opening and closing of first clamping jaw and second clamping jaw, synchronous gear is driven by chain to rotate, another side of chain is acted on by two synchronous gears through change of direction, so that first clamping jaw and second clamping jaw are synchronously acted on by chain in positive and negative directions, and first clamping jaw and second clamping jaw are kept highly synchronous.

[0008] Preferably, the rack includes connecting seat and frame body, and the rear end of the frame body is fixedly connected with the connecting seat.

[0009] Preferably, the middle part of the frame body is fixedly connected with a backing plate, which increases the contact surface between the frame body and the tree trunk to facilitate the protection of the pine tree during vibration.

[0010] Preferably, the synchronous gear includes a first rotating shaft, the outer part of the first rotating shaft is fixedly connected with a first chain wheel and a gear body, the first rotating shaft is rotatably installed in the frame body, and the chain is sleeved on the first chain wheel.

[0011] Preferably, the first clamping jaw includes a second rotating shaft, the outer part of the second rotating shaft is fixedly connected with a second chain wheel, one chain is sleeved on the second chain wheel, the middle part of the second rotating shaft is fixedly connected with a jaw body, the second rotating shaft is rotatably connected with the frame body, the outer part of the 43 is fixedly connected with a first connecting frame, and the hydraulic rod is rotatably connected with the first connecting frame.

[0012] Preferably, the first clamping jaw further includes a first rotating sleeve. The first rotating sleeve is used for rolling and guiding the front part of the jaw body, so that the target pine tree is prevented from being scratched, and the pine tree is conveniently protected.

[0013] Preferably, the second clamping jaw includes a third rotating shaft, the outer part of the third rotating shaft is fixedly connected with a third chain wheel, the middle part of the third rotating shaft is fixedly connected with a second connecting frame, the outer part of the second connecting frame is fixedly connected with a third clamping jaw, one hydraulic rod is rotatably connected with the second connecting frame, and the third rotating shaft is rotatably connected with the frame body.

[0014] Preferably, the head of the third clamping jaw is rotatably provided with a second rotating sleeve. The third clamping jaw is used for guiding the third clamping jaw to roll along the trunk, so that the second clamping jaw is prevented from scratching the trunk, and the target pine tree is conveniently protected.

[0015] In conclusion, the technical effects and advantages of the utility model are as follows:

[0016] 1、When the hydraulic rod is retracted, the first and second clamping jaws are pulled by the hydraulic rod to open, and after the first and second clamping jaws are sleeved outside the target pine, the hydraulic rod is driven to extend to push the first and second clamping jaw sides, so that the second clamping jaw clamps the target pine; during the opening and closing of the first and second clamping jaws, the chain drives the synchronous gear to rotate, and the two synchronous gears change the turning synchronous effect on the chain on the other side, so that the chain acts on the first and second clamping jaws in the forward and reverse directions, facilitating the synchronous operation of the first and second clamping jaws.

[0017] 2、The gasket increases the contact surface between the frame and the tree trunk, facilitating the protection of the pine during vibration.

[0018] 3、During the opening and closing of the first and second clamping jaws, the chain acts on the first sprocket, the first sprocket acts on the gear body, the gear body acts on the gear body of the other synchronous gear, and the other chain is driven in the same way, and the chain acts on the first and second clamping jaws respectively, facilitating the synchronous operation of the first and second clamping jaws.

[0019] 4、The hydraulic rod pulls and pushes the first connecting frame, the first connecting frame acts on the claw body, the first connecting frame acts on the second rotating shaft, the second rotating shaft acts on the second sprocket, and the second sprocket acts on the chain, facilitating the rotation of the synchronous gear driven by the chain.

[0020] 5、The hydraulic rod pulls and pushes the second connecting frame, the second connecting frame acts on the third rotating shaft and the third clamping jaw, the third sprocket acts on the chain, facilitating the swinging of the third clamping jaw. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the rack structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the synchronous gear structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the first clamping jaw structure of the utility model;

[0025] Figure 5 It is a schematic diagram of the second clamping jaw structure of the utility model.

[0026] In the figure: 1, hydraulic rod; 2, frame; 3, synchronous gear; 4, first clamping jaw; 5, second clamping jaw; 6, chain; 21, connecting seat; 22, frame body; 23, backing plate; 31, first rotating shaft; 32, first sprocket; 33, gear body; 41, second rotating shaft; 42, second sprocket; 43, jaw body; 44, first rotating sleeve; 45, first connecting frame; 51, third rotating shaft; 52, third sprocket; 53, second connecting frame; 54, third clamping jaw; 55, second rotating sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figure 1 A nut picking machine clamping jaw, comprising a frame 2, the frame 2 is symmetrically provided with hydraulic rods 1 on the side, the front of the frame 2 is rotatably connected with a first clamping jaw 4 and a second clamping jaw 5, one end of one of the hydraulic rods 1 is rotatably connected with the first clamping jaw 4, one end of the other hydraulic rod 1 is rotatably connected with the second clamping jaw 5, the other end of the hydraulic rod 1 is rotatably connected with the frame 2, the inside of the frame 2 is symmetrically rotatably installed with synchronous gears 3, the two synchronous gears 3 are meshed with each other, and the chain 6 is sleeved between the synchronous gear 3 and the first clamping jaw 4. The rear end of the frame 2 is fixedly connected with an external vibration machine.

[0029] Referring to Figure 1 And 2 The frame 2 comprises a connecting seat 21 and a frame body 22, and the rear end of the frame body 22 is fixedly connected with the connecting seat 21. The connecting seat 21 is fixedly connected with an external vibration machine, and the frame body 22 is used for rotatably connecting the first clamping jaw 4 and the second clamping jaw 5.

[0030] Referring to Figure 2 The middle part of the frame body 22 is fixedly connected with a backing plate 23. The backing plate 23 is used for increasing the contact surface between the frame body 22 and the tree trunk.

[0031] Referring to Figure 1 、 2 And 3, the synchronous gear 3 comprises a first rotating shaft 31, the outside of the first rotating shaft 31 is fixedly connected with a first sprocket 32 and a gear body 33, the first rotating shaft 31 is rotatably installed in the frame body 22, and the chain 6 is sleeved on the first sprocket 32. The gear bodies 33 of the two synchronous gears 3 are meshed with each other. In the opening and closing process of the first clamping jaw 4 and the second clamping jaw 5, the chain 6 acts on the first sprocket 32, the first sprocket 32 acts on the gear body 33, the gear body 33 acts on the gear body 33 of the other synchronous gear 3, and the same applies to the other chain 6, and the chain 6 respectively acts on the first clamping jaw 4 and the second clamping jaw 5.

[0032] Referring to Figure 1 , 2 and 4, the first clamping jaw 4 comprises a second rotating shaft 41, the outer part of the second rotating shaft 41 is fixedly connected with a second sprocket 42, one of the chains 6 is sleeved on the second sprocket 42, the middle part of the second rotating shaft 41 is fixedly connected with a jaw body 43, the second rotating shaft 41 is rotationally connected with the frame body 22, the outer part of the jaw body 43 is fixedly connected with a first connecting frame 45, the hydraulic rod 1 is rotationally connected with the first connecting frame 45. The first connecting frame 45 is pulled and pushed by the hydraulic rod 1, the jaw body 43 is acted on by the first connecting frame 45, the second rotating shaft 41 is acted on by the first connecting frame 45, the second sprocket 42 is acted on by the second rotating shaft 41, so that the second sprocket 42 is acted on by the chain 6.

[0033] Referring to Figure 1 and 4 , the first clamping jaw 4 further comprises a first rotating sleeve 44. The front part of the jaw body 43 is rolled and guided by the first rotating sleeve 44, so as to prevent the jaw body 43 from scratching the target pine tree.

[0034] Referring to Figure 1 , 2 and 5, the second clamping jaw 5 comprises a third rotating shaft 51, the outer part of the third rotating shaft 51 is fixedly connected with a third sprocket 52, the middle part of the third rotating shaft 51 is fixedly connected with a second connecting frame 53, the outer part of the second connecting frame 53 is fixedly connected with a third clamping jaw 54, one of the hydraulic rods 1 is rotationally connected with the second connecting frame 53, the third rotating shaft 51 is rotationally connected with the frame body 22. The second connecting frame 53 is pulled and pushed by the hydraulic rod 1, the third rotating shaft 51 and the third clamping jaw 54 are acted on by the second connecting frame 53, the chain 6 is acted on by the third sprocket 52.

[0035] Referring to Figure 1 and 5 , the head of the third clamping jaw 54 is rotationally installed with a second rotating sleeve 55. The third clamping jaw 54 is rolled and guided along the tree trunk by the third clamping jaw 54, so as to prevent the second clamping jaw 5 from scratching the tree trunk.

[0036] Working principle: when the hydraulic rod 1 is retracted, the first clamping jaw 4 and the second clamping jaw 5 are pulled by the hydraulic rod 1 to open, after the first clamping jaw 4 and the second clamping jaw 5 are sleeved on the outside of the target pine tree, the hydraulic rod 1 is driven to be elongated, the side part of the first clamping jaw 4 and the second clamping jaw 5 is pushed by the hydraulic rod 1, so that the second clamping jaw 5 clamps the target pine tree, during the opening and closing of the first clamping jaw 4 and the second clamping jaw 5, the chain 6 drives the synchronous gear 3 to rotate, the chain 6 on the other side is synchronously acted on by the two synchronous gears 3 changing the direction of rotation, so that the chain 6 is synchronously acted on in the positive and negative directions of the first clamping jaw 4 and the second clamping jaw 5, which facilitates the first clamping jaw 4 and the second clamping jaw 5 to keep high synchronization while preventing the pine tree from being scratched.

[0037] The above merely describes a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto, any person skilled in the art, within the technical range disclosed by the utility model, according to the technical scheme of the utility model and the utility model concept, makes equivalent replacement or change, should be covered within the protection scope of the utility model.

[0038] In the description, the existing technology known to the person skilled in the art and not changed is simply mentioned for the application direction of the utility model, combined with the utility model to form a complete technology; the well-known technology of the person skilled in the art is used to avoid excessive popularization, which is used to assist the person skilled in the art to quickly understand the main content of the utility model.

Claims

1. A nut picking machine clamp, characterized by: The utility model provides a kind of hydraulic press, including rack (2), the side of the rack (2) is symmetrically equipped with hydraulic rod (1), the front of the rack (2) is rotatably connected with first jaw (4) and second jaw (5), one end of one hydraulic rod (1) is rotatably connected with first jaw (4), one end of another hydraulic rod (1) is rotatably connected with second jaw (5), the other end of the hydraulic rod (1) is rotatably connected with rack (2), the inside of the rack (2) is rotatably installed with synchronous gear (3) symmetrically, two synchronous gears (3) are engaged with each other, chain (6) is sleeved between the synchronous gear (3) and first jaw (4).

2. A nut picking machine clamp according to claim 1, characterised in that: The rack (2) comprises a connecting seat (21) and a frame body (22), and the rear end of the frame body (22) is fixedly connected with the connecting seat (21).

3. A nut picking machine clamp according to claim 2, characterised in that: The middle part of the frame body (22) is fixedly connected with a backing plate (23).

4. A nut picking machine clamp according to claim 2, characterised in that: The synchronous gear (3) comprises a first rotating shaft (31), the outer part of the first rotating shaft (31) is fixedly connected with a first sprocket (32) and a gear body (33), the first rotating shaft (31) is rotatably installed in the frame body (22), and the chain (6) is sleeved on the first sprocket (32).

5. A nut picking machine clamp according to claim 2, characterised in that: The first jaw (4) comprises a second rotating shaft (41), the outer part of the second rotating shaft (41) is fixedly connected with a second sprocket (42), one of the chains (6) is sleeved on the second sprocket (42), the middle part of the second rotating shaft (41) is fixedly connected with a jaw body (43), the second rotating shaft (41) is rotatably connected with the frame body (22), the outer part of the jaw body (43) is fixedly connected with a first connecting frame (45), and the hydraulic rod (1) is rotatably connected with the first connecting frame (45).

6. A nut picking machine clamp according to claim 1, wherein: The first jaw (4) further comprises a first rotating sleeve (44).

7. A nut picking machine clamp according to claim 2, wherein: The second jaw (5) comprises a third rotating shaft (51), the outer part of the third rotating shaft (51) is fixedly connected with a third sprocket (52), the middle part of the third rotating shaft (51) is fixedly connected with a second connecting frame (53), the outer part of the second connecting frame (53) is fixedly connected with a third jaw (54), one of the hydraulic rods (1) is rotatably connected with the second connecting frame (53), and the third rotating shaft (51) is rotatably connected on the frame body (22).

8. A nut picking machine clamp according to claim 7, characterised in that: The head of the third jaw (54) is rotatably installed with a second rotating sleeve (55).