Electric push rod for agricultural robot moving platform

Abstract

The utility model discloses an electric push rod for an agricultural robot moving platform. The electric push rod comprises an electric push rod body for the agricultural robot moving platform, a range extending assembly, a guiding assembly and a limiting assembly. The electric push rod body comprises a shell, a push rod and a lead screw. The push rod is slidably arranged in the shell through a plurality of keys A, and the end part of the push rod penetrates through the shell and extends to the outside; the lead screw penetrates through the push rod and is in threaded connection with the push rod; the range extending assembly is arranged in the push rod; the range extending assembly comprises a range extending rod, a threaded cylinder and a threaded sleeve; the range extending rod is arranged on the pushing rod in a sliding and penetrating manner through a plurality of keys B; the screw rod is sleeved with the threaded cylinder through a guide assembly, and the end of the threaded cylinder is connected with the push rod through a limiting assembly; the threaded sleeve sleeves the threaded cylinder and is fixedly connected with the inner wall of the range extending rod; the electric push rod for the agricultural robot moving platform is simple and reasonable in structure and ingenious in design, and the stroke of the electric push rod body can be increased so as to meet the requirements of different working distances and spaces.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural robot mobile platform technical field, concretely relates to a kind of electric push rod for agricultural robot mobile platform. BACKGROUND

[0002] Agricultural robot mobile platform refers to the infrastructure that provides mobile capability for agricultural robots, usually composed of chassis, sensors, motors and control systems, etc., the chassis is the core component, responsible for carrying the weight of robot and providing smooth mobile capability;Sensors are used to perceive the surrounding environment, help the robot to navigate and avoid obstacles;The motor is responsible for driving the movement of the chassis;The control system manages and controls the robot.

[0003] The utility model provides an electric push rod provided by the Chinese utility model patent with publication No. CN221748111 U, including outer tube, the top of outer tube is fixedly installed with cover, the top of cover is equipped with oil filler, the right side of outer tube is fixedly installed with motor, the surface of motor is equipped with parallel circle, the output end of motor is penetrated to the inner chamber of outer tube and is fixedly installed with coupling, the left side of coupling is fixedly installed with two-way gear pump, the left side of two-way gear pump is fixedly installed with B type flat head ordinary flat key. The utility model passes through the electrification of motor, and motor positive and negative rotation realizes the push and pull movement of piston rod, so that the linear motion of piston rod is converted by the rotary motion of motor, AB connects two-way gear pump, A1B1 connects oil cylinder, and the size of push and pull force can be adjusted by front end overflow valve, when oil cylinder overload, overflow valve automatically unloads, motor drives oil pump, drives oil cylinder movement, and the loss of mechanical transmission is small, and efficiency is greatly improved.

[0004] In order to improve the work efficiency and precision of agricultural robot mobile platform, electric push rod is usually arranged on agricultural robot mobile platform, and the existing electric push rod is generally single-section type, that is, only one guide sleeve and one push rod, which limits the stroke of electric push rod, and it is difficult to meet the requirements of different working distances and spaces, thereby affecting the use effect of electric push rod. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of prior art, provides a kind of electric push rod for agricultural robot mobile platform, to reach the purpose of increasing the stroke of electric push rod.

[0006] To achieve the above object, the utility model provides the following technical scheme: An electric push rod for agricultural robot mobile platform, including electric push rod body for agricultural robot mobile platform, range increasing assembly, guide assembly and limiting assembly, the electric push rod body includes shell, push rod and screw rod, the push rod is in the shell and is slid through a plurality of keys A, and the push rod end extends to the outside through the shell, the screw rod is worn on the push rod and is connected with the push rod thread, the range increasing assembly is arranged in the push rod, the range increasing assembly includes range increasing rod, thread barrel and thread sleeve, the range increasing rod is slid and worn on the push rod through a plurality of keys B, the thread barrel is set on the screw rod through the guide assembly, and the thread barrel end is connected with the push rod through the limiting assembly, the thread sleeve is set on the thread barrel and is fixedly connected with the range increasing rod inner wall.

[0007] Preferably, the push rod is a T-shaped structure with a small upper part and a large lower part.

[0008] Preferably, the thread sleeve is threadedly connected with the thread barrel.

[0009] Preferably, the electric push rod body further comprises an electric motor, the electric motor is fixedly arranged in the shell through a motor base, and the electric motor output end is fixedly connected with the screw rod end.

[0010] Preferably, the guide assembly comprises a guide groove and a guide plate, at least one guide groove is formed on the screw rod circumferential surface, the guide plate is slidably arranged in the guide groove, and the guide plate end is fixedly connected with the thread barrel inner wall through the guide groove.

[0011] Preferably, the limiting assembly comprises a limiting groove and a limiting block, the limiting groove is formed on the push rod inner bottom wall, the limiting block is rotatably arranged in the limiting groove, and the limiting block end is fixedly connected with the thread barrel end through the limiting groove.

[0012] Preferably, the limiting block is an annular structure, and the limiting block cross section is an L-shaped structure with a small upper part and a large lower part.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、the utility model discloses a range increasing assembly is arranged, when using, starting the electric motor, makes the electric motor output shaft drive screw rod rotation, makes screw rod and push rod thread connection, makes push rod drive range increasing rod slide in the shell, makes guide plate slide in the guide groove, and when screw rod rotates, will make guide plate extrude guide groove inner wall, makes thread barrel follow screw rod rotation, makes thread barrel and thread sleeve thread connection, makes range increasing rod slide in the push rod, makes range increasing rod can obtain two times stroke, relative to prior art, the utility model has the advantages of simple structure, reasonable design, ingenious design, can increase the stroke of electric push rod body, satisfies the requirement of different working distance and space.

[0015] 2、The utility model discloses through setting limit component, make the limit block in the limit groove when the threaded cylinder follows screw rod and rotates, make the push rod and the range increasing rod when retracting, not only can drive threaded cylinder to move through the cooperation of limit block and limit groove, and, the limit block cross section is set to the L type structure of small upper, big lower, can also make the range increasing rod position fixed in the push rod, thereby improved the practicability of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is whole structure sectional view of the utility model;

[0018] Figure 3 It is partial structure split sectional view of the utility model;

[0019] Figure 4 It is the utility model's Figure 2 Amplified schematic diagram of place A;

[0020] Figure 5 It is the utility model's Figure 2 Amplified schematic diagram of place B.

[0021] In the drawing:

[0022] 1, electric push rod body;2, range increasing assembly;3, guide assembly;4, limit component;

[0023] 101, shell;102, push rod;103, screw rod;104, motor;

[0024] 201, range increasing rod;202, threaded cylinder;203, threaded sleeve;

[0025] 301, guide groove;302, guide plate;

[0026] 401, limit groove;402, limit block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1 to 5The utility model provides a technical scheme: an electric push rod for agricultural robot mobile platform, including electric push rod body 1 for agricultural robot mobile platform, range increasing assembly 2, guide assembly 3 and limiting component 4, electric push rod body 1 includes shell 101, push rod 102, screw rod 103 and motor 104, push rod 102 is in the shell 101 by three key A sliding, and push rod 102 end part extends to outside through shell 101, push rod 102 is small in upper, big in lower T type structure, to make the position of push rod 102 fixed in shell 101 with convenience, screw rod 103 is worn on push rod 102 and is connected with push rod 102 screw thread, motor 104 is fixed in the shell 101 through motor base, and motor 104 output end and screw rod 103 end part fixed connection, range increasing assembly 2 is arranged in push rod 102, range increasing assembly 2 includes range increasing rod 201, threaded cylinder 202 and threaded sleeve 203, range increasing rod 201 is worn on push rod 102 through three key B sliding, threaded cylinder 202 is sleeved on screw rod 103 through guide assembly 3, and threaded cylinder 202 end part is connected with push rod 102 through limiting component 4, threaded sleeve 203 is sleeved on threaded cylinder 202 and is connected with range increasing rod 201 inner wall fixedly, threaded sleeve 203 and threaded cylinder 202 screw thread connection, guide assembly 3 includes guide groove 301 and guide plate 302, two guide grooves 301 are opened on the symmetry of screw rod 103 circumference surface, guide plate 302 is slidingly arranged in guide groove 301, and guide plate 302 end part passes through guide groove 301 and is connected with threaded cylinder 202 inner wall fixedly.

[0029] The utility model discloses a range increasing assembly 2 is set up, when using, starting motor 104 makes motor 104 output shaft drive screw rod 103 rotation, makes screw rod 103 and push rod 102 screw thread connection, makes push rod 102 drive range increasing rod 201 sliding in shell 101, makes guide plate 302 sliding in guide groove 301, and when screw rod 103 rotates, will make guide plate 302 extrude guide groove 301 inner wall, make threaded cylinder 202 follow screw rod 103 rotation, make threaded cylinder 202 and threaded sleeve 203 screw thread connection, make range increasing rod 201 sliding in push rod 102, make range increasing rod 201 can obtain two times stroke, relative to prior art, the utility model simple and reasonable structure, design is ingenious, can increase electric push rod body 1's stroke, to satisfy different work distance and space's requirement.

[0030] As a preferred embodiment, the limiting assembly 4 comprises a limiting groove 401 and a limiting block 402; the limiting groove 401 is arranged on the inner bottom wall of the push rod 102; the limiting block 402 is rotatably arranged in the limiting groove 401, and the end of the limiting block 402 is fixedly connected with the end of the threaded cylinder 202 through the limiting groove 401; the limiting block 402 is annular, and the cross section of the limiting block 402 is L-shaped with the upper part being smaller and the lower part being larger; when the T-shaped end of the push rod 102 is in contact with the inner wall of the shell 101, the key A is in contact with the key groove on the inner wall of the shell 101, the key B is in contact with the key groove on the inner wall of the push rod 102, the guide plate 302 is still in sliding fit with the guide groove 301, and the threaded sleeve 203 is still threadedly connected with the threaded cylinder 202.

[0031] The limiting assembly 4 is arranged, so that when the threaded cylinder 202 rotates with the screw rod 103, the limiting block 402 rotates in the limiting groove 401, the push rod 102 and the range increasing rod 201 can be driven to move by the cooperation of the limiting block 402 and the limiting groove 401 when the push rod 102 and the range increasing rod 201 are retracted, the range increasing rod 201 can be fixed in the push rod 102 by arranging the cross section of the limiting block 402 as L-shaped with the upper part being smaller and the lower part being larger, and the practicability of the utility model is improved.

[0032] Working principle: in use, the motor 104 is started, the output shaft of the motor 104 drives the screw rod 103 to rotate, the screw rod 103 is threadedly connected with the push rod 102, the push rod 102 drives the range increasing rod 201 to slide in the shell 101, the guide plate 302 slides in the guide groove 301, when the screw rod 103 rotates, the guide plate 302 is pressed against the inner wall of the guide groove 301, the threaded cylinder 202 rotates with the screw rod 103, the limiting block 402 rotates in the limiting groove 401, the threaded cylinder 202 is threadedly connected with the threaded sleeve 203, the range increasing rod 201 slides in the push rod 102, and the range increasing rod 201 can obtain double stroke, so that the utility model has the effect of increasing the stroke of the electric push rod body 1.

[0033] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric push rod for an agricultural robot mobile platform, characterized by, The application relates to an electric push rod body (1) for an agricultural robot moving platform, a range increasing assembly (2), a guide assembly (3) and a limiting assembly (4). The electric push rod body (1) comprises a shell (101), a push rod (102) and a screw rod (103). The push rod (102) is slidably arranged in the shell (101) through a plurality of keys A, and the end of the push rod (102) extends to the outside through the shell (101). The screw rod (103) is arranged on the push rod (102) and is threadedly connected with the push rod (102). The range increasing assembly (2) is arranged in the push rod (102). The range increasing assembly (2) comprises a range increasing rod (201), a threaded cylinder (202) and a threaded sleeve (203). The range increasing rod (201) is slidably arranged on the push rod (102) through a plurality of keys B. The threaded cylinder (202) is sleeved on the screw rod (103) through the guide assembly (3), and the end of the threaded cylinder (202) is connected with the push rod (102) through the limiting assembly (4). The threaded sleeve (203) is sleeved on the threaded cylinder (202) and is fixedly connected with the inner wall of the range increasing rod (201).

2. The electric push rod for an agricultural robot mobile platform according to claim 1, wherein, The push rod (102) is a T-shaped structure which is small at the top and large at the bottom.

3. The electric push rod for an agricultural robot mobile platform according to claim 1, wherein, The threaded sleeve (203) is threadedly connected with the threaded cylinder (202).

4. The electric push rod for an agricultural robot mobile platform according to claim 1, wherein, The electric push rod body (1) further comprises an electric motor (104). The electric motor (104) is fixedly arranged in the shell (101) through a motor base, and the output end of the electric motor (104) is fixedly connected with the end of the screw rod (103).

5. The electric push rod for an agricultural robot mobile platform according to claim 3, wherein, The guide assembly (3) comprises a guide groove (301) and a guide plate (302). At least one guide groove (301) is formed in the circumferential surface of the screw rod (103). The guide plate (302) is slidably arranged in the guide groove (301), and the end of the guide plate (302) penetrates through the guide groove (301) and is fixedly connected with the inner wall of the threaded cylinder (202).

6. The electric push rod for an agricultural robot mobile platform according to claim 5, wherein, The limiting assembly (4) comprises a limiting groove (401) and a limiting block (402). The limiting groove (401) is formed in the inner bottom wall of the push rod (102). The limiting block (402) is rotatably arranged in the limiting groove (401), and the end of the limiting block (402) penetrates through the limiting groove (401) and is fixedly connected with the end of the threaded cylinder (202).

7. The electric push rod for an agricultural robot mobile platform according to claim 6, wherein, The limiting block (402) is an annular structure, and the cross section of the limiting block (402) is an L-shaped structure which is small at the top and large at the bottom.

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