Telescopic structure and unmanned forklift

Abstract

The utility model relates to the technical field of unmanned forklifts, in particular to a telescopic structure and an unmanned forklift.The telescopic structure comprises a lengthening unit, the lengthening unit comprises a mounting bottom plate, a moving middle plate and a positioning unit, the moving middle plate is arranged in the mounting bottom plate, and the positioning unit is arranged on the outer side of the mounting bottom plate; the size of carried goods is judged through a target detection system, the length of the pallet fork is intelligently adjusted according to the size of the goods so that the length of the pallet fork can be matched with the size of the carried goods, the goods can be successfully hauled without damaging other goods, and if the forklift is in a walking state and a pressure sensor on the pallet fork detects that no goods exist, the pallet fork is contracted; according to the telescopic unmanned forklift pallet fork, the effect of reducing the damage rate of goods can be achieved, the storage space can be saved to a great extent, the space utilization rate is improved, the length of the pallet fork can be adjusted through a target detection system, the automatic control principle can be achieved, and the telescopic unmanned forklift pallet fork is convenient to use. And the working efficiency of the unmanned forklift is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned forklifts, in particular to a telescopic structure and an unmanned forklift. Background Art

[0002] A forklift is a machine used for loading and unloading cargo. When transporting cargo, the forklift needs to align the front fork with the pallet slot at the bottom of the cargo, and then lift the cargo. In order for the unmanned forklift to transport cargo more smoothly, the fork needs to be longer than half of the cargo chassis, but the current forklift's fork length is fixed, and the size of the cargo it can transport is within a certain range.

[0003] The forks of existing unmanned forklifts are fixed in length. When they are idle and moving in the warehouse, they often damage goods and accidentally injure workers. They also take up a large space and cannot move flexibly in narrow aisles, which brings inconvenience to management and use, and makes warehouse managers worry and work hard. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problem that a large space is occupied in the above-mentioned prior art, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a telescopic structure.

[0007] In order to solve the technical problem of occupying a large space in the above-mentioned prior art, the utility model provides the following technical solution: a telescopic structure, comprising:

[0008] The extension unit comprises a mounting base plate, a moving middle plate and a positioning unit. The moving middle plate is arranged inside the mounting base plate, and the positioning unit is arranged outside the mounting base plate.

[0009] As a preferred solution of the telescopic structure of the utility model, the extension unit also includes an external fixed rail, a driving unit and a telescopic connecting rod, the installation base plate is provided with an external fixed rail, the driving unit is arranged in the external fixed rail, and the telescopic connecting rod is arranged on the driving unit.

[0010] As a preferred solution of the telescopic structure of the utility model, the moving middle plate includes a middle connecting plate, an inner connecting plate and a retainer, the moving middle plate is provided with a middle connecting plate, the middle connecting plate is provided with an inner connecting plate, and the inner connecting plate is provided with a retainer.

[0011] As a preferred solution of the telescopic structure of the utility model, wherein: a ball bearing is arranged between the middle connecting plate and the inner connecting plate, and a ball bearing is arranged between the moving middle plate and the mounting bottom plate.

[0012] As a preferred solution of the telescopic structure of the utility model, wherein: a middle fixed rail is provided on the middle connecting plate, a positioning through hole is reserved on the middle connecting plate, and a pressure-bearing component is provided on the moving middle plate.

[0013] As a preferred solution of the telescopic structure of the utility model, wherein: a fixed connecting rod is arranged in the positioning unit, the position of the fixed connecting rod corresponds to the position of the positioning through hole, and the sizes are adapted to each other.

[0014] Beneficial effects of the telescopic structure of the utility model:

[0015] The ball bearings are used to assist the internal structure in driving. When performing telescopic work, the internal multi-layer connecting plates can be better driven with the cooperation of the balls and the limitation of the internal track. At the same time, with the cooperation of the external fixed structure, the telescopic structure can be limited after extension, so as to better carry out subsequent material transportation work.

[0016] In actual use, there are still problems of damage to goods and accidental injury to staff.

[0017] In order to solve the above-mentioned technical problems that may damage goods and accidentally injure staff, the utility model also provides the following technical solutions: an unmanned forklift, a forklift bracket, the forklift bracket comprising a lifting bracket, a transport fork arm and a weighing connecting plate, the forklift bracket is provided with a lifting bracket, the lifting bracket is provided with a transport fork arm, the transport fork arm is provided with a weighing connecting plate, and the transport fork arm is provided with an extension unit.

[0018] As a preferred solution of the unmanned forklift of the utility model, wherein: the forklift bracket also includes a connecting bracket and a lifting connecting rod, the forklift bracket is provided with a connecting bracket, and the connecting bracket is provided with a lifting connecting rod.

[0019] As a preferred solution of the unmanned forklift of the utility model, wherein: two mutually symmetrical weighing connecting plates are arranged on the transport fork arm, and the weighing connecting plates are electrically connected to the pressure-bearing component.

[0020] As a preferred solution of the unmanned forklift of the utility model, wherein: a collection camera and a recognition unit are arranged on the forklift bracket, the collection camera and the recognition unit are electrically connected, and the recognition unit is electrically connected to the pressure-bearing component.

[0021] Beneficial effects of the unmanned forklift of the utility model:

[0022] The target detection system is used to determine the size of the goods being transported, and the length of the fork is intelligently adjusted according to the size of the goods to match the size of the goods being transported, so that the goods can be successfully transported without damaging other goods. If the forklift is moving and the pressure sensor on the fork detects that there is no goods, the fork will be retracted to facilitate the movement of the unmanned forklift. This retractable unmanned forklift fork can not only reduce the cargo damage rate, but also save storage space to a great extent and improve space utilization. The length of the fork can be adjusted through the target detection system to achieve the principle of automatic control and improve the working efficiency of the unmanned forklift. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is the overall structural schematic diagram of the extension unit;

[0026] Figure 3 It is a schematic diagram of the internal structure of the moving plate;

[0027] Figure 4 Identify a process structure diagram for the job. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.

[0031] Example 1

[0032] Reference Figure 2 , which is the first embodiment of the utility model, and provides a telescopic structure, which is driven by a ball-assisted internal structure. When performing telescopic work, the internal multi-layer connecting plate is better driven under the cooperation of the ball and the limitation of the internal track. At the same time, the fixed structure on the outside is cooperated to limit the telescopic structure after extension, so as to better perform the subsequent material conveying work. It includes an extension unit 100, and the extension unit 100 includes an installation base plate 101, a moving middle plate 105 and a positioning unit 108. The moving middle plate 105 is arranged inside the installation base plate 101, and the positioning unit 108 is arranged on the outside of the installation base plate 101;

[0033] Preferably, the extension unit 100 also includes an external fixed rail 102, a driving unit 103 and a telescopic link 104. The external fixed rail 102 is opened in the mounting base 101, and the driving unit 103 is arranged in the external fixed rail 102. The telescopic link 104 is arranged on the driving unit 103, and a fixed link 108a is arranged in the positioning unit 108. The position of the fixed link 108a corresponds to the position of the positioning through hole 107, and the sizes are adapted to each other. The telescopic link 104 is driven by the driving unit 103 to perform telescopic driving work, so that the moving middle plate 105 on the mounting base 101 extends outward, and the moving middle plate 105 moves in the external fixed rail 102. With the cooperation of the external fixed rail 102, the telescopic work can be performed more smoothly, thereby improving the stability of the device during operation.

[0034] When in use, the driving unit 103 will drive the telescopic link 104 to extend and retract. When the telescopic link 104 extends outward, the moving plate 105 will move in the outer fixed rail 102. When the moving plate 105 moves, the middle fixed rail 106 inside the moving plate 105 will also cooperate with it to move. When the moving plate 105 extends outward, it will also be connected to the fixed link 108a inside the positioning unit 108 through the positioning through hole 107 to form a limiting connection. When the extension drive is stopped, it is limited.

[0035] Example 2

[0036] Reference Figure 3, which is the second embodiment of the utility model. Different from the previous embodiment, this embodiment provides a telescopic structure to solve the problem that the moving middle plate 105 includes a middle connecting plate 105a, an inner connecting plate 105b and a retainer 105c. The moving middle plate 105 is provided with a middle connecting plate 105a, an inner connecting plate 105b is provided inside the middle connecting plate 105a, and a retainer 105c is provided inside the inner connecting plate 105b. The middle connecting plate 105a and the inner connecting plate 105b, which cooperate with each other in structure, can better cooperate with the ball 105d to move when moving. At the same time, the internal retainer 105c can also make the internal structure of the moving middle plate 105 more stable when moving;

[0037] Preferably, a ball 105d is arranged between the middle connecting plate 105a and the inner connecting plate 105b, a ball 105d is arranged between the moving middle plate 105 and the mounting base plate 101, a middle fixed rail 106 is opened on the middle connecting plate 105a, a positioning through hole 107 is reserved on the middle connecting plate 105a, and a pressure-bearing component 109 is arranged on the moving middle plate 105. Through the mutual cooperation of the positioning through hole 107 and the fixed connecting rod 108a, the moving middle plate 105 can be better limited and positioned after completing the extension work. At the same time, the mutual cooperation between the pressure-bearing component 109 on the moving middle plate 105 and the weighing connecting plate 205 can also better collect the working status of the forklift to better carry out cargo transportation work.

[0038] When in use, when the moving middle plate 105 extends outward, the internal inner connecting plate 105b will move with the cooperation of the middle fixed rail 106 and the ball 105d. At the same time, the internal retainer 105c will also make the moving middle plate 105 more stable during movement. At the same time, while performing telescopic movement, it can also better limit its position to ensure the support stability of the goods.

[0039] Example 3

[0040] Reference Figure 1 and Figure 4 , which is the third embodiment of the utility model. Different from the previous embodiment, this embodiment provides a problem that is solved. It includes a forklift bracket 200. The forklift bracket 200 includes a lifting bracket 203, a transport fork arm 204 and a weighing connecting plate 205. The forklift bracket 200 is provided with a lifting bracket 203, the lifting bracket 203 is provided with a transport fork arm 204, the transport fork arm 204 is provided with a weighing connecting plate 205, and the transport fork arm 204 is provided with an extension unit 100. When the weighing connecting plate 205 on the transport fork arm 204 contacts with the goods and is subjected to pressure, the internal pressure sensor can be activated to activate the internal driving unit 103, so that the working state of the forklift can be better identified;

[0041] Preferably, the forklift support 200 further includes a connecting support 201 and a lifting link 202. The forklift support 200 is provided with a connecting support 201, and the connecting support 201 is provided with a lifting link 202. The lifting link 202 can drive the lifting support 203 at the lower end to move, so as to better meet the transportation work of different goods.

[0042] Furthermore, two symmetrical weighing plates 205 are provided on the transport fork arm 204, and the weighing plates 205 are electrically connected to the pressure-bearing component 109. A collection camera and an identification unit are provided on the forklift bracket 200, and the collection camera and the identification unit are electrically connected, and the identification unit is electrically connected to the pressure-bearing component 109. A pressure sensor is provided in the pressure-bearing component 109, and the electrical components that are electrically connected to each other internally can better identify the working status.

[0043] When in use, through the movement of the unmanned forklift, the transport fork arm 204 and the pallet at the lower end of the cargo are connected to each other, and through the data collection of the upper weighing connecting plate 205 and the pressure-bearing component 109, the drive unit 103 works and retracts. First, a network camera is used to capture the cargo image, and the edge server updates the cargo position to determine whether there is cargo. If not, it returns to the previous step. If so, the target recognition system is used to measure the cargo size, and the fork intelligently adjusts the length. The unmanned forklift transports the cargo according to the specified route and puts the cargo down at the designated location. When there is no cargo on the fork, the pressure sensor has no pressure, and the fork is automatically retracted, ending the process.

[0044] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible, for example, the size, scale, structure, shape and proportion of various elements, and parameter values ​​such as temperature, pressure, etc., mounting arrangements, use of materials, color, directional changes, etc., without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of the execution function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present utility model, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to several modifications still falling within the scope of the appended claims.

[0045] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described, i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention.

[0046] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, the development effort will be a routine task of design, fabrication, and production without undue experimentation.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A telescopic structure, characterized in that: include, An extension unit (100) comprises a mounting base plate (101), a moving middle plate (105) and a positioning unit (108); the moving middle plate (105) is arranged inside the mounting base plate (101), and the positioning unit (108) is arranged outside the mounting base plate (101).

2. The telescopic structure according to claim 1, characterized in that: The extension unit (100) further comprises an external fixed rail (102), a driving unit (103) and a telescopic connecting rod (104); the installation base plate (101) is provided with an external fixed rail (102); the driving unit (103) is arranged in the external fixed rail (102); and the telescopic connecting rod (104) is arranged on the driving unit (103).

3. The telescopic structure according to claim 2, characterized in that: The moving middle plate (105) comprises a middle connecting plate (105a), an inner connecting plate (105b) and a retainer (105c); the moving middle plate (105) is provided with the middle connecting plate (105a), the inner connecting plate (105b) is provided inside the middle connecting plate (105a), and the retainer (105c) is provided inside the inner connecting plate (105b).

4. The telescopic structure according to claim 3, characterized in that: A ball bearing (105d) is arranged between the middle connecting plate (105a) and the inner connecting plate (105b), and a ball bearing (105d) is arranged between the moving middle plate (105) and the mounting bottom plate (101).

5. The telescopic structure according to claim 4, characterized in that: The middle connecting plate (105a) is provided with a middle fixed rail (106), a positioning through hole (107) is reserved on the middle connecting plate (105a), and a pressure-bearing component (109) is provided on the moving middle plate (105).

6. The telescopic structure according to claim 5, characterized in that: A fixed connecting rod (108a) is arranged in the positioning unit (108), and the position of the fixed connecting rod (108a) corresponds to the position of the positioning through hole (107), and the sizes thereof are adapted to each other.

7. An unmanned forklift, characterized in that: It comprises the telescopic structure described in any one of claims 1 to 6, and a forklift bracket (200), wherein the forklift bracket (200) comprises a lifting bracket (203), a transport fork arm (204) and a weighing connecting plate (205), the forklift bracket (200) is provided with a lifting bracket (203), the lifting bracket (203) is provided with a transport fork arm (204), the transport fork arm (204) is provided with a weighing connecting plate (205), and the transport fork arm (204) is provided with an extension unit (100).

8. The unmanned forklift according to claim 7, characterized in that: The forklift support (200) further comprises a connecting support (201) and a lifting connecting rod (202); the forklift support (200) is provided with the connecting support (201), and the lifting connecting rod (202) is provided on the connecting support (201).

9. The unmanned forklift according to claim 8, characterized in that: The transport fork arm (204) is provided with two mutually symmetrical weighing connecting plates (205), and the weighing connecting plates (205) are electrically connected to the pressure-bearing component (109).

10. The unmanned forklift according to any one of claims 7 to 9, characterized in that: The forklift support (200) is provided with a collection camera and a recognition unit, the collection camera and the recognition unit are electrically connected, and the recognition unit is electrically connected to the pressure-bearing component (109).

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