Automatic lifting safety protection device for guardrail of loading and unloading station

Abstract

The utility model discloses a loading and unloading station guardrail automatic lifting safety protection device which comprises a base and a lifting structure installed on the base, the lifting structure comprises a supporting frame, a lifting screw rod, a lifting table and a driving motor, the supporting frame is vertically arranged on the base, a driving cavity is formed in the base, and the lifting screw rod is arranged in the driving cavity. The upper ends of the lifting screws are rotationally arranged on the inner top walls of the supporting frames, the bottoms of the lifting screws penetrate through the base and are rotationally arranged on the inner bottom wall of the driving cavity, the supporting frames and the lifting screws are symmetrically arranged, driving gears are arranged at the bottoms of the lifting screws, a chain is arranged between the two sets of driving gears in a sleeving mode, and the chain is meshed with the driving gears. The driving motor is arranged at the top of the supporting frame, a power output shaft of the driving motor is connected with a set of lifting screws, a first thread set is arranged on each lifting screw, and guide grooves are formed in the opposite side walls of the supporting frame. The utility model relates to the technical field of guardrail protection, and particularly provides an automatic lifting safety protection device for a guardrail of a loading and unloading station.

Description

Technical Field

[0001] The utility model relates to the technical field of guardrail protection, in particular to an automatic lifting safety protection device for guardrails at loading and unloading stations. Background Art

[0002] The automatic lifting system of the loading and unloading station is an automated equipment used to provide safety protection and improve efficiency during the cargo loading and unloading process. It generally includes a lifting structure and a control system.

[0003] The existing loading and unloading station lacks guardrails on the lifting platform for ease of use during use, lacks certain protection during use, and poses a safety hazard. Fixed guardrails affect the loading and unloading of goods. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the lifting platform of the loading and unloading station lacks protective measures, and the fixed guardrail is inconvenient to use, which affects the flexibility of loading and unloading.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: The utility model proposes an automatic lifting safety protection device for a loading and unloading station guardrail, comprising a base and a lifting structure installed on the base, the lifting structure comprising a support frame, a lifting screw, a lifting platform and a driving motor, the support frame is vertically arranged on the base, a driving cavity is provided in the base, the upper end of the lifting screw is rotatably arranged on the top wall of the support frame, the bottom of the lifting screw passes through the base and is rotatably arranged on the bottom wall of the driving cavity, the support frame and the lifting screw are symmetrically provided with two groups, the bottom of the lifting screw is provided with a driving gear, a chain is sleeved between the two groups of driving gears, the chain is meshed with the driving gear, the driving motor is arranged at the top of the support frame and the power output shaft is connected to a group of lifting screws, a thread group 1 is provided on the lifting screw, and a guide groove is provided on the opposite side walls of the support frame, the thread group 1 is threadedly connected to a thread block 1, and the thread block 1 passes through the guide groove and is connected to both ends of the lifting platform.

[0006] Preferred technical solution one: One end of the lifting screw is also provided with a thread group two, and the thread group one and thread group two are arranged in opposite thread directions. The thread group two is connected to a thread block two by a thread, and the two groups of thread blocks two pass through the guide groove and extend to the outside. Protective support rods are also provided on the opposite side walls of the two groups of thread groups two, and a protective fence is provided on the protective support rod.

[0007] Preferred technical solution 2: further comprising an auxiliary transport platform, wherein the auxiliary transport platform is provided with an inclined surface, and the inclined surface of the auxiliary transport platform is provided with an anti-slip rubber strip.

[0008] Preferred technical solution three: A support rod is further provided on one side of the bottom of the protective fence, and one end of the support rod is slidably provided on the support frame.

[0009] Preferred technical solution four: A control display screen is provided on one side wall of the support frame, and the drive motor is electrically connected to the control display screen.

[0010] The utility model proposes an automatic lifting safety protection device for guardrails at loading and unloading stations, and the beneficial effects achieved by adopting the above structure are as follows:

[0011] The lifting platform can be stably raised by the support frame, lifting screw and driving motor. At the same time, the protective support rod can drive the protective fence and the lifting platform to move relative to each other, so that the lifting platform can rise and the protective fence can move downward, which does not affect the normal handling of materials to the platform and has a good protective effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure of the automatic lifting safety protection device for the guardrail of a loading and unloading station proposed in this utility model Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the overall structure of the automatic lifting safety protection device for the guardrail of a loading and unloading station proposed in this utility model Figure 2 ;

[0015] Figure 3 This is a schematic cross-sectional view of an automatic lifting safety protection device for a loading and unloading station guardrail proposed by the present invention;

[0016] Figure 4 for Figure 3 A partial enlarged schematic diagram of part A.

[0017] Among them, 1. base, 2. lifting structure, 3. support frame, 4. lifting screw, 5. lifting platform, 6. drive motor, 7. drive chamber, 8. drive gear, 9. chain, 10. thread group one, 11. guide groove, 12. thread block one, 13. thread group two, 14. protective support rod, 15. protective fence, 16. auxiliary transport platform, 17. anti-slip rubber strip, 18. support rod, 19. control display screen, 20. thread block two. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0020] like Figures 1 to 4 As shown, the technical solution adopted by the utility model is as follows: an automatic lifting safety protection device for a loading and unloading station guardrail, comprising a base 1 and a lifting structure 2 installed on the base 1, the lifting structure 2 comprising a support frame 3, a lifting screw 4, a lifting platform 5 and a drive motor 6, the support frame 3 is vertically arranged on the base 1, a driving cavity 7 is provided in the base 1, the upper end of the lifting screw 4 is rotatably arranged on the top wall of the support frame 3, the bottom of the lifting screw 4 passes through the base 1 and is rotatably arranged on the bottom wall of the driving cavity 7, the support frame 3 and the lifting screw 4 are symmetrically provided with two groups, a driving gear 8 is provided at the bottom of the lifting screw 4, a chain 9 is sleeved between the two groups of driving gears 8, the chain 9 is engaged with the driving gear 8, the driving motor 6 is arranged at the top of the support frame 3 and the power output shaft is connected to a group of lifting screws 4, a thread group 10 is provided on the lifting screw 4, and a guide groove 11 is provided on the opposite side walls of the support frame 3. A threaded block 12 is connected by a thread, and the threaded block 12 passes through the guide groove 11 and is connected to both ends of the lifting platform 5; a threaded group 2 13 is also provided at one end of the lifting screw 4, and the threaded group 10 and the threaded group 2 13 are arranged in opposite thread directions, and a threaded block 20 is connected to the threaded group 2 13 by a thread, and the two groups of threaded blocks 20 pass through the guide groove 11 and extend to the outside, and protective support rods 14 are provided on the opposite side walls of the two groups of threaded groups 2 13, and the protective support rods 14 are provided with protective fences 15; it also includes an auxiliary transport platform 16, the auxiliary transport platform 16 is provided with an inclined surface, and the inclined surface of the auxiliary transport platform 16 is provided with anti-slip rubber strips 17; a support rod 18 is also provided on one side of the bottom of the protective fence 15, and one end of the support rod 18 is slidably provided on the support frame 3; a group of side walls of the support frame 3 are provided with a control display screen 19, and the drive motor 6 is electrically connected to the control display screen 19.

[0021] During specific use, the items are transported to the lifting platform 5 through the auxiliary transport platform 16, and then the drive motor 6 is started. The drive motor 6 drives a group of lifting screws 4 to rotate, and drives another group of lifting screws 4 to rotate through the drive gear 8 and chain 9. The thread group 1 10 and the thread group 2 13 are arranged in opposite thread directions, so that the lifting platform 5 moves upward, and at the same time the protective fence 15 moves downward to protect the people and items on the lifting platform 5. After lifting to the set height, they are transferred.

[0022] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, material, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, material, or apparatus.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic lifting safety protection device for a guardrail at a loading and unloading station, comprising a base and a lifting structure mounted on the base, characterized in that: The lifting structure includes a support frame, a lifting screw, a lifting platform and a driving motor. The support frame is vertically arranged on the base, and a driving cavity is provided in the base. The upper end of the lifting screw is rotatably arranged on the top wall of the support frame, and the bottom of the lifting screw passes through the base and is rotatably arranged on the bottom wall of the driving cavity. The support frame and the lifting screw are symmetrically provided with two groups, and a driving gear is provided at the bottom of the lifting screw. A chain is provided between the two groups of driving gears, and the chain is meshed with the driving gear. The driving motor is arranged at the top of the support frame and the power output shaft is connected to a group of lifting screws. A thread group 1 is provided on the lifting screw, and a guide groove is provided on the opposite side walls of the support frame. The thread group 1 is connected to a thread block 1 through a thread, and the thread block 1 passes through the guide groove and is connected to both ends of the lifting platform.

2. The automatic lifting safety protection device for guardrails at loading and unloading stations according to claim 1 is characterized by: One end of the lifting screw is also provided with a thread group 2, and the thread group 1 and the thread group 2 are arranged in opposite thread directions. The thread group 2 is connected to a thread block 2 through a thread. The two groups of thread blocks 2 pass through the guide groove and extend to the outside. Protective support rods are also provided on the opposite side walls of the two groups of thread groups 2, and the protective support rods are provided with a protective fence.

3. The automatic lifting safety protection device for guardrails at loading and unloading stations according to claim 2 is characterized by: It also includes an auxiliary transport platform, which is provided with an inclined surface, and the inclined surface of the auxiliary transport platform is provided with an anti-slip rubber strip.

4. The automatic lifting safety protection device for guardrails at loading and unloading stations according to claim 3 is characterized by: A support rod is further provided on one side of the bottom of the protective fence, and one end of the support rod is slidably arranged on the support frame.

5. The automatic lifting safety protection device for guardrails at loading and unloading stations according to claim 4 is characterized in that: A control display screen is provided on a side wall of one group of the support frames, and the drive motor is electrically connected to the control display screen.

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