Protective device for draw shaft

Abstract

The utility model relates to the technical field of safety protection, and discloses a protective device for a draw shaft, which comprises a bottom frame, a protective fence and a protective door capable of rotating are arranged above the bottom frame, a driving piece for driving the protective door to rotate is arranged on the bottom frame, the driving piece is connected with the protective door, and a movable anti-falling piece is arranged on the bottom frame. The problems that when ore is put down, a worker needs to open the protective guard, so that the worker is too close to a draw shaft opening, certain danger is caused, the protection effect is not good enough only by means of the protective guard, the risk that the worker falls due to the fact that the worker accidentally turns over exists, and anti-falling protection cannot be effectively carried out are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety protection, in particular to a protection device for a chute Background Technique

[0002] A chute refers to a roadway that uses its own weight to slide ore from top to bottom. It is widely used in mines developed by adits or shafts. There are two types of chutes commonly referred to: one is for transferring ore or waste rock from the upper stage to the lower stage or the lower ore bin, serving one or more stages, called the main chute, which belongs to the auxiliary development roadway; the other is for transferring ore from the stope to the stage haulage roadway, serving one or more stopes, called the stope chute, and the latter belongs to the development roadway

[0003] At present, a guardrail is usually set at the chute opening of the mine cave, which can protect workers. However, when pouring ore, workers need to open the guardrail, which makes the workers too close to the chute opening, posing a certain danger. Moreover, relying solely on the guardrail for protection is not good enough, and there is a risk that workers may accidentally turn over and fall, and anti-fall protection cannot be carried out more effectively Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that when pouring ore, workers need to open the guardrail, which makes the workers too close to the chute opening, posing a certain danger. Moreover, relying solely on the guardrail for protection is not good enough, and there is a risk that workers may accidentally turn over and fall, and anti-fall protection cannot be carried out more effectively

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A protection device for a chute includes a bottom frame. Above the bottom frame, there are a guardrail and a rotatable guard door. A driving member for driving the rotation of the guard door is arranged on the bottom frame. The driving member is connected to the guard door, and an anti-fall member that can move is arranged on the bottom frame

[0007] Preferably, there are a pair of guard doors, and the two guard doors are symmetrically arranged on one side above the bottom frame. There are several guardrails, and the several guardrails are respectively arranged on the other three sides above the bottom frame. The chute opening is surrounded by the first fence and the second fence, so as to protect the staff

[0008] Preferably, the guardrail includes a first bottom plate, and a first fence is arranged above the first bottom plate. The guard door includes a rotating plate, and a second fence is arranged above the rotating plate. The second fence can be rotated to open or close through the rotating plate. When pouring ore, the guard door is opened to facilitate the staff to pour the ore from the chute opening

[0009] Preferably, the anti-falling member includes a plurality of protective rods. The protective rods are connected by a first connecting member. The plurality of protective rods can divide the area above the chute opening into multiple small openings, so as to provide more effective anti-falling protection for the staff.

[0010] Preferably, the first connecting member includes a first connecting plate and a second connecting plate. One end of the first connecting plate is hinged to one end of the second connecting plate. The other ends of the first connecting plate and the second connecting plate are respectively connected to two adjacent protective rods. The protective rod away from the protective door is connected to the inner side of the bottom frame through a second connecting member. The first connecting member enables the plurality of protective rods to move back and forth synchronously.

[0011] Preferably, the second connecting member has the same structure as the first connecting member when in use. The other ends of the first connecting plate and the second connecting plate on the second connecting member are respectively connected to the protective rod away from the protective door and the bottom frame.

[0012] Preferably, a moving block is sleeved on the protective rod close to the protective door. A third connecting plate is hinged to the moving block. One end of the third connecting plate away from the moving block is hinged to one end of the rotating plate. The moving block is movably sleeved on the protective rod. When the protective door rotates, the moving block can be pulled through the third connecting plate, and then the protective rod connected to the moving block can be driven to move, so as to drive the plurality of protective rods to move synchronously. The plurality of protective rods can be unfolded or moved closer together.

[0013] Preferably, the first bottom plate is fixed on the bottom frame. One end of the rotating plate is rotatably connected to the bottom frame through a cylindrical pin. The other end of the rotating plate is hinged to one end of the third connecting plate. The rotating plate can rotate through the cylindrical pin, so that the two protective doors can be rotated to open or close.

[0014] Preferably, the driving member includes a driving motor. A driving gear set is provided on the output shaft of the driving motor. The output shaft of the driving motor is connected to the cylindrical pin on the rotating plate through the driving gear set. The driving gear set consists of two gears when in use. The two gears are respectively arranged on the cylindrical pin and the output shaft of the driving motor. The driving motor can drive the cylindrical pin to rotate through the driving gear set, and then drive the rotating plate to rotate.

[0015] Preferably, moving grooves are symmetrically formed on the inner side of the bottom frame. The two ends of the protective rod are respectively movably located in the two side moving grooves. The moving grooves enable the protective rod to move more stably and have a better supporting effect.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model can surround the chute opening by arranging a guardrail and a guard door, thereby protecting the staff. The guard door is controlled to open by a driving member arranged thereon, so that workers do not need to approach the chute to manually open the guard door, ensuring the safety of the workers.

[0018] Moreover, the arranged anti-falling member can further provide anti-falling protection. Even if a staff member crosses the guardrail and falls, it can provide further anti-falling protection for the staff member, thus effectively protecting the staff member from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic view of the overall structure of the present utility model;

[0021] Figure 2 It is an exploded view of the structure of the present utility model;

[0022] Figure 3 It is a structural view of the anti-falling member of the present utility model;

[0023] Figure 4 It is a structural view of the first connecting member of the present utility model;

[0024] Figure 5 It is a structural view of the bottom frame of the present utility model;

[0025] Figure 6 It is a structural view of the driving member of the present utility model.

[0026] Description of drawing numbers: 1. Bottom frame; 2. Guardrail; 21. First fence; 22. First bottom plate; 3. Guard door; 31. Second fence; 32. Rotating plate; 4. Anti-falling member; 41. Protection rod; 42. First connecting member; 421. First connecting plate; 422. Second connecting plate; 43. Moving block; 44. Third connecting plate; 45. Second connecting member; 5. Driving member; 51. Driving motor; 52. Fixing plate; 53. Driving gear set. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The present utility model will be further described in detail below with reference to the drawings.

[0028] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious deformations. The basic principles defined in the following description of the present utility model can be used in other implementation schemes, deformation schemes, improvement schemes, equivalent schemes, and other technical schemes without departing from the spirit and scope of the present utility model.

[0029] Those skilled in the art should understand that in the disclosure of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicating the orientation or position are based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present utility model and is a simplified description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as a limitation to the present utility model.

[0030] It can be understood that the term "one" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in other embodiments, the number of the element can be multiple. The term "one" should not be construed as a limitation to the number. Embodiment

[0031] Please refer to Figures 1 - 6 , a protective device for a chute, including a bottom frame 1. Above the bottom frame 1, there is a guardrail 2 and a rotatable guard door 3. On the bottom frame 1, there is a driving member 5 for driving the rotation of the guard door 3. The driving member 5 is connected to the guard door 3. On the bottom frame 1, there is a movable anti-falling member 4. There are a pair of guard doors 3, and the two guard doors 3 are symmetrically arranged on one side above the bottom frame 1. There are several guardrails 2, and several guardrails 2 are respectively arranged on the other three sides above the bottom frame 1. The chute opening is surrounded by a fence one 21 and a fence two 31, so as to protect the staff.

[0032] Furthermore, the guardrail 2 includes a bottom plate one 22, and above the bottom plate one 22, there is a fence one 21. The guard door 3 includes a rotating plate 32, and above the rotating plate 32, there is a fence two 31. The fence two 31 can be rotated to open or close through the rotating plate 32. When pouring ore, by opening the guard door 3, it is convenient for the staff to pour the ore from the chute opening.

[0033] Even further, the anti-falling member 4 includes a plurality of guard bars 41. The plurality of guard bars 41 are connected by a connecting member one 42. The chute opening above can be divided into multiple small openings by several guard bars 41, so as to provide more effective anti-falling protection for the staff.

[0034] The first connecting member 42 includes a first connecting plate 421 and a second connecting plate 422. One end of the first connecting plate 421 is hinged to one end of the second connecting plate 422. The other two ends of the first connecting plate 421 and the second connecting plate 422 are respectively connected to two adjacent protective rods 41. The protective rod 41 away from the protective door 3 is connected to the inner side of the bottom frame 1 through a second connecting member 45. Through the first connecting member 42, several protective rods 41 can move back and forth synchronously. The second connecting member 45 has the same structure as the first connecting member 42 when in use. The other two ends of the first connecting plate 421 and the second connecting plate 422 on the second connecting member 45 are respectively connected to the protective rod 41 away from the protective door 3 and the bottom frame 1.

[0035] It should be noted that a moving block 43 is sleeved on the protective rod 41 close to the protective door 3. A third connecting plate 44 is hinged to the moving block 43. One end of the third connecting plate 44 away from the moving block 43 is hinged to one end of the rotating plate 32. The moving block 43 is movably sleeved on the protective rod 41. When the protective door 3 rotates, it can pull the moving block 43 through the third connecting plate 44, and then drive the protective rod 41 connected to the moving block 43 to move, so as to drive multiple protective rods 41 to move synchronously. The multiple protective rods 41 can be unfolded or moved closer together.

[0036] It should be added that the first bottom plate 22 is fixed on the bottom frame 1. One end of the rotating plate 32 is rotatably connected to the bottom frame 1 through a cylindrical pin. The other end of the rotating plate 32 is hinged to one end of the third connecting plate 44. The rotating plate 32 can rotate through the cylindrical pin, so that the two protective doors 3 can rotate to open or close.

[0037] The driving member 5 includes a driving motor 51. A driving gear set 53 is provided on the output shaft of the driving motor 51. The output shaft of the driving motor 51 is connected to the cylindrical pin on the rotating plate 32 through the driving gear set 53. The driving motor 51 is fixed on the bottom frame 1 through a fixing plate 52. The driving gear set 53 consists of two gears when in use. The two gears are respectively arranged on the cylindrical pin and the output shaft of the driving motor 51. The driving motor 51 can drive the cylindrical pin to rotate through the driving gear set 53, and then drive the rotating plate 32 to rotate.

[0038] Among them, moving grooves are symmetrically opened on the inner side of the bottom frame 1. The two ends of the protective rod 41 are respectively movably located in the two side moving grooves. Through the moving grooves, the protective rod 41 can move more stably and can have a better supporting effect.

[0039] When the utility model is in use, the bottom frame 1 is fixedly installed above the chute opening. The protective fence 2 and the protective door 3 can enclose the chute opening, which can prevent staff from falling into the chute when approaching. Moreover, several protective rods 41 in the bottom frame 1 can further provide anti-falling protection. Even if a staff member falls over the protective fence 2, it can further provide anti-falling protection for him, so as to effectively provide anti-falling protection for the staff;

[0040] When the ore is being inverted, the drive motor 51 is started. The output shaft of the drive motor 51 drives the drive gear set 53 to operate, and then drives the cylindrical pin connected to the drive gear set 53 to rotate, and drives the rotating plate 32 to rotate, so that the rotating plate 32 rotates inward. The rotating plate 32 drives the second fence 31 to rotate together, so that the two second fences 31 can rotate inward to open. When the rotating plate 32 rotates inward, the moving block 43 can be pushed inward through the third connecting plate 44, and then the protective rod 41 connected to the moving block 43 is pushed inward. When the protective rod 41 moves inward, a plurality of protective rods 41 can be driven to move inward synchronously through the connecting piece. The plurality of protective rods 41 moving inward can move and lean against each other, so that the ore chute opening is fully exposed, and the ore can be poured into the ore chute from the opened second fence 31. This utility model can better protect the staff from falling.

[0041] Those skilled in the art should understand that the embodiments of the present utility model described above and shown in the accompanying drawings are only examples and do not limit the present utility model. The object of the present utility model has been completely and effectively achieved. The functions and structural principles of the present utility model have been shown and described in the embodiments. Without departing from the said principles, any deformation or modification of the embodiments of the present utility model is possible.

Claims

1. A protective device for a chute, characterized in that, it includes a bottom frame (1), a protective fence (2) and a rotatable protective door (3) are arranged above the bottom frame (1), a driving member (5) for driving the rotation of the protective door (3) is arranged on the bottom frame (1), and the driving member (5) is connected to the protective door (3); a falling prevention member (4) that can move is arranged on the bottom frame (1).

2. The protective device for a chute according to claim 1, characterized in that : There are a pair of the protective doors (3), and the two protective doors (3) are symmetrically arranged on one side above the bottom frame (1), and there are several protective fences (2), and the several protective fences (2) are respectively arranged on the other three sides above the bottom frame (1).

3. The protective device for a chute according to claim 2, characterized in that : The protective fence (2) includes a first bottom plate (22), a first fence (21) is arranged above the first bottom plate (22), the protective door (3) includes a rotating plate (32), and a second fence (31) is arranged above the rotating plate (32).

4. The protective device for a chute according to claim 3, characterized in that : The falling prevention member (4) includes a protective rod (41), there are multiple protective rods (41), and the multiple protective rods (41) are connected by a first connecting member (42).

5. The protective device for a chute according to claim 4, characterized in that : The first connecting member (42) includes a first connecting plate (421) and a second connecting plate (422), one end of the first connecting plate (421) is hinged to one end of the second connecting plate (422), and the other two ends of the first connecting plate (421) and the second connecting plate (422) are respectively connected to two adjacent protective rods (41), and the protective rod (41) far from the protective door (3) is connected to the inner side of the bottom frame (1) through a second connecting member (45).

6. The protective device for a chute according to claim 5, characterized in that : The second connecting member (45) has the same structure as the first connecting member (42) when in use, and the other two ends of the first connecting plate (421) and the second connecting plate (422) on the second connecting member (45) are respectively connected to the protective rod (41) far from the protective door (3) and the bottom frame (1).

7. The protective device for a chute according to claim 6, characterized in that : A moving block (43) is sleeved on the protective rod (41) close to the protective door (3), a third connecting plate (44) is hinged to the moving block (43), and one end of the third connecting plate (44) far from the moving block (43) is hinged to one end of the rotating plate (32).

8. The protective device for a chute according to claim 7, characterized in that : The first bottom plate (22) is fixed on the bottom frame (1), one end of the rotating plate (32) is rotatably connected to the bottom frame (1) through a cylindrical pin, and the other end of the rotating plate (32) is hinged to one end of the third connecting plate (44).

9. The protective device for a chute according to claim 8, characterized in that The driving member (5) comprises a driving motor (51), the output shaft of the driving motor (51) is provided with a driving gear set (53), and the output shaft of the driving motor (51) is connected to a cylindrical pin on the rotating plate (32) via the driving gear set (53).

10. A protection device for a chute according to claim 9, Features The inner side of the bottom frame (1) is symmetrically provided with movable grooves, and the two ends of the protective rod (41) are respectively moved into the movable grooves on both sides.

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