Visual safety protection device

Abstract

The utility model belongs to the technical field of safety protection, and particularly discloses a visual safety protection device which comprises a protective cover shell, an observation plate and a fixing assembly, and the protective cover shell is fixed to a support through the fixing assembly; the two sides of the shield shell are open, and a main shaft can pass through the shield shell. Openings are formed in the two sides of the protective cover shell, the observation plates are fixed in the openings, a plurality of observation holes are formed in the observation plates, and the main shaft and the coupler in the protective cover shell can be seen through the observation holes. The safety protection function is achieved, the operation condition of equipment can be observed, and safety and operation reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of safety protection, especially relates to a visual safety protection device. BACKGROUND

[0002] Centrifugal fan as a typical turbine machinery, high-speed rotating main shaft, coupling is exposed outside, if there is foreign matter falling or personnel approaching in the operation process of equipment, serious safety accident can occur, in order to avoid the occurrence of accidents, the rotating part is protected. After the rotating part is covered by the current protective device, the running condition of the main shaft and the coupling in the inside cannot be seen, and the possible hidden danger cannot be solved in time. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a visual safety protection device, which can not only play a safety protection role, but also can observe the operation of the equipment, thereby improving the safety and reliability of operation.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a visual safety protection device, which comprises a protective shell, an observation plate and a fixing assembly, the protective shell is fixed on a support through the fixing assembly, the two sides of the protective shell are open for passing the main shaft, the two sides of the protective shell are provided with openings, the observation plate is fixed in the openings, a plurality of observation holes are formed in the observation plate, and the main shaft and the coupling in the protective shell can be seen through the observation holes.

[0005] Further, the two sides of the protective shell, which are open, are respectively provided with connecting plates, and a channel for passing the main shaft is arranged in the middle of the connecting plate.

[0006] Further, the fixing assembly comprises two groups of fixing structures, and the two groups of fixing structures are respectively arranged on the two sides of the protective shell, each group of the fixing structures comprises a plurality of fixing parts, the two sides of the bottom of the protective shell are respectively provided with a plurality of groups of first mounting holes corresponding to the fixing parts, and the support is provided with a plurality of second mounting holes corresponding to the first mounting holes, and the fixing parts are fixed on the support through the first mounting holes and the second mounting holes.

[0007] Further, each group of the fixing parts comprises a bolt and a nut, and the bolt is threadedly connected with the nut after penetrating through the first mounting hole and the second mounting hole.

[0008] Further, a gasket is arranged between the nut and the support.

[0009] Further, a handle is arranged at the top of the protective shell.

[0010] Further, the top of the protective shell is in the shape of an isosceles trapezoid, and the short base of the isosceles trapezoid is on the upper side.

[0011] The beneficial effects of the technical solution are:

[0012] ① The observation plate is the visual part of the safety protection device, plays an observation role, and the running status of the main shaft and the shaft coupling inside can be seen through the observation plate, thereby improving safety and operation reliability.

[0013] ② The shroud shell is the main part of the safety protection device, supports the entire safety protection device, and the upper part of the shroud shell is made into an isosceles trapezoidal structure, which can enhance the rigidity of the device and improve the appearance beauty.

[0014] ③ The connecting plate is a reinforcing part of the safety protection device, connects the left and right shroud shells into one body, and plays a reinforcing role.

[0015] ④ The handle is a hoisting part of the safety protection device, in order to facilitate the device to be held or lifted by hand. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view of the visual safety protection device of the utility model;

[0017] Figure 2 is Figure 1 a side view;

[0018] Figure 3 is Figure 1 a front view of the shroud shell;

[0019] Figure 4 is Figure 3 a side view;

[0020] Figure 5 is a front view of the connecting plate installed on the shroud shell;

[0021] Figure 6 is Figure 5 a side view;

[0022] Figure 7 is an installation schematic view of the utility model. DETAILED DESCRIPTION

[0023] The following will be further described in detail through specific embodiments:

[0024] The reference signs in the drawings of the specification include: shroud shell 1, observation plate 2, connecting plate 3, handle 4, bolt 5, nut 6, gasket 7, air inlet 8, casing 9, impeller group 10, main shaft 11, bearing box group 12, shaft coupling 13, support 14, motor 15.

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The embodiment is basically as shown in the attached Figures 1-7 As shown: A visual safety protection device includes a shield shell 1, an observation plate 2 and a fixing assembly. The shield shell 1 is fixed to the support 14 by the fixing assembly. The left and right sides of the shield shell 1 are open for passing the main shaft 11. The front and rear sides of the shield shell 1 are provided with openings, and the observation plates 2 are welded and fixed in the openings. The observation plates 2 are provided with a number of observation holes, through which the main shaft 11 and the coupling 13 in the shield shell 1 can be seen. The cross-section of the top of the shield shell 1 is an isosceles trapezoidal structure, with the short base of the isosceles trapezoidal structure on the upper side. Connecting plates 3 are welded to the two open sides of the shield shell 1, and a channel for passing the main shaft 11 is provided in the middle of the connecting plates 3.

[0027] The fixing assembly includes two sets of fixing structures, which are respectively located on the front and rear sides of the shield shell 1; each set of fixing structures includes several sets of fixing parts, which are arranged along the left and right directions. The front and rear sides of the bottom of the shield shell 1 are respectively provided with several sets of first mounting holes corresponding to the fixing parts; the support 14 is provided with second mounting holes corresponding to the first mounting holes, and the fixing parts fix the bottom of the shield shell 1 to the support 14 through the first mounting holes and the second mounting holes. Each set of fixing parts includes a bolt 5 and a nut 6. The bolt 5 passes through the first mounting hole and the second mounting hole and is threadedly connected to the nut 6. The head of the bolt 5 and the nut 6 cannot pass through the first mounting hole and the second mounting hole. A washer 7 is provided between the nut 6 and the support 14. A handle 4 is welded to the top center of the shield shell 1.

[0028] The installation process is as follows:

[0029] The main shaft 11 of the centrifugal fan is installed together with the bearing box group 12. The casing 9, the bearing box group 12 and the motor 15 are fixed on the support 14. The air inlet 8 is fixed to the front side plate of the casing 9. The impeller group 10 is located inside the casing 9 and is connected to the main shaft 11 through a key connection. The coupling 13 is connected to the fan main shaft 11 and the output shaft of the motor 15 through a key connection. Finally, the visual safety protection device is fixed to the support 14 with bolts 5, nuts 6 and washers 7.

[0030] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] The above is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail, the ordinary skilled in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field and has the ability to apply the conventional experimental means before the date, the ordinary skilled in the art can improve and implement the present scheme under the inspiration given by the present application combined with their own ability, some typical known structure or known method should not be an obstacle for the ordinary skilled in the art to implement the present application. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A visual safety protection device, characterized by: The invention comprises a shield shell (1), an observation plate (2) and a fixing assembly, wherein the shield shell (1) is fixed on a support via the fixing assembly; both sides of the shield shell (1) are open for passing a main shaft (11); both sides of the shield shell (1) are provided with openings, wherein the observation plate (2) is fixed in each of the openings; the observation plate (2) is provided with a plurality of observation holes, through which the main shaft (11) and the coupling (13) in the shield shell (1) can be seen.

2. A visual safety protection device according to claim 1, characterized in that: Connecting plates (3) are respectively provided on both open sides of the shield shell (1), and a passage for passing the main shaft (11) is provided in the middle of the connecting plates (3).

3. A visual safety protection device according to claim 1, characterized in that: The fixing assembly comprises two groups of fixing structures, the two groups of fixing structures being respectively located on both sides of the shield shell (1); each group of fixing structures comprises a plurality of fixing parts; a plurality of first mounting holes corresponding to the fixing parts are respectively provided on both sides of the bottom of the shield shell (1); a second mounting hole corresponding to the first mounting hole is provided on the support, and the fixing part fixes the bottom of the shield shell (1) to the support via the first mounting hole and the second mounting hole.

4. A visual safety protection device according to claim 3, characterized in that: Each set of the fixing parts comprises a bolt (5) and a nut (6); the bolt (5) passes through the first mounting hole and the second mounting hole and is threadedly connected to the nut (6).

5. A visual safety protection device according to claim 4, characterized in that: A washer (7) is provided between the nut (6) and the support.

6. The visual safety protection device according to claim 1, characterized in that: A handle (4) is provided on the top of the shield shell (1).

7. The visual safety protection device according to claim 1, characterized in that: The cross-section of the top of the shield shell (1) is an isosceles trapezoidal structure, with the short base of the isosceles trapezoidal structure on the upper side.

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