Safety protection structure of mine draw shaft

Abstract

The utility model relates to the field of mine draw shafts, and discloses a safety protection structure of a mine draw shaft, which comprises a protection cover, a safety protection device and a safety protection device, one end of each supporting arm is rotatably connected to the protective cover, the other end of each supporting arm is connected to the inner wall of the draw shaft, rotation of the supporting arms on the protective cover is used for adjusting the supporting range of the supporting arms so as to adapt to draw shaft mouths of different shapes and sizes, and the protective cover comprises a supporting base installed at the bottom of the protective cover and a supporting rod installed at the bottom of the protective cover; the fixing groove is formed in the supporting seat, and one end of the supporting arm is connected into the fixing groove. According to the protection structure, one end of the supporting arm is rotationally connected to the protection cover, the supporting range can be adjusted through rotation of the supporting arm, the protection structure can easily adapt to draw shaft openings of different shapes and sizes, and the adaptability of the protection structure is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mine chute, especially relates to a mine chute safety protection structure. BACKGROUND

[0002] In the mining operation, since most of the mines are very high, the ore is transported frequently, in order to improve the transportation efficiency and save the cost, a pipeline similar to the well, that is, the chute, is punched from top to bottom in some mines, which can directly dump the ore from top to bottom, and the chute is the key channel for the transportation of ore, waste rock and other materials, and its safety protection is very important. The safety protection structure plays an indispensable role in preventing personnel from falling, preventing materials from splashing and ensuring the smooth progress of mine production.

[0003] In the actual mining environment, the size of the chute opening varies greatly due to different geological conditions of the mine, mining technology and design planning. From the narrow chute opening of small mines to the spacious chute opening of large modern mines, the size specifications are various.

[0004] The existing safety protection structure is fixed in size and cannot be flexibly adapted to different sizes of the chute opening. For the chute opening with too small size, the protection structure is difficult to install, and for the chute opening with too large size, the protection structure cannot completely cover the chute opening, leaving a safety hazard. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model is realized by the following technical solutions.

[0006] A mine chute safety protection structure, comprising: a protective cover installed at the chute opening; at least two support arms, one end of the support arm is rotatably connected to the protective cover, and the other end is connected to the inner wall of the chute, and the rotation of the support arm on the protective cover is used to adjust the support range of the support arm to adapt to different shapes and sizes of the chute opening.

[0007] Preferably, the protective cover comprises: a support seat installed at the bottom of the protective cover; a fixed groove opened on the support seat, and one end of the support arm is connected in the fixed groove.

[0008] Preferably, the support seat comprises: an adjusting sleeve sleeved on the support seat, the adjusting sleeve is arranged to approach or move away from the protective cover; an adjusting arm, one end of the adjusting arm is connected to the adjusting sleeve, and the other end of the adjusting arm is connected to the support arm.

[0009] Preferably, the adjusting sleeve comprises: a connecting block installed on the adjusting sleeve, one end of the adjusting arm is connected to the connecting block; a fixed block installed on the support arm, and the end of the adjusting arm away from the connecting block is connected with the fixed block.

[0010] Preferably, the support arm comprises a positioning head arranged at one end of the support arm, the positioning head is arranged to move the support arm close to or away from the positioning head is mounted on the inner wall of the shaft.

[0011] Preferably, the support arm further comprises a groove arranged at one end of the support arm; a connecting seat connected at one end in the groove and connected at the other end on the connecting seat.

[0012] Preferably, the support arm further comprises a pressure sensor mounted on the inner wall of the groove, one end of the connecting seat is connected with the pressure sensor.

[0013] Preferably, the support seat further comprises a power source mounted on the support seat, and the power shaft of the power source is connected with the adjusting sleeve.

[0014] The utility model provides a mine shaft safety protection structure, compared with prior art, has the following beneficial effects: through rotatable connection of one end of support arm on the protection cover, and the support arm rotation can adjust the support range, can easily deal with the shaft mouth of different shape and size, make the adaptability of protection structure higher, through the pressure sensor real time monitoring the support force of support arm and the inner wall of shaft, once the pressure value is unusual, the staff can take measures quickly and adjust, effectively avoid the invalidation of protection structure caused by unstable support, guarantee the mine operation safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structure schematic diagram.

[0016] Figure 2 Another perspective three-dimensional structure schematic diagram provided by the utility model.

[0017] Figure 3 Protection cover, support seat and support arm structure schematic diagram provided by the utility model.

[0018] Figure 4 Support seat, support arm and adjusting sleeve structure schematic diagram provided by the utility model.

[0019] Figure 5 Support seat and adjusting sleeve cross section schematic diagram provided by the utility model.

[0020] The reference signs in the drawings are:

[0021] 100, protection cover;

[0022] 200, support seat; 201, fixed groove; 202, power source;

[0023] 300, support arm; 301, positioning head; 302, connecting seat; 303, groove; 304, pressure sensor;

[0024] 400, adjusting sleeve; 401, connecting block; 402, adjusting arm; 403, fixed block;

[0025] 500, chute. DETAILED DESCRIPTION

[0026] The utility model will be further described below in conjunction with specific embodiments, and it should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the protection scope of the utility model.

[0027] The embodiments of the utility model will be described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosure of the specification. The utility model can also be implemented or applied through other different specific embodiments, and various modifications or changes can be made to the details in the specification based on different viewpoints and applications without departing from the spirit of the utility model.

[0028] Reference Figures 1-5 A mine chute 500 safety protection structure, comprising: a protective cover 100 installed at the chute 500 opening; at least two support arms 300, one end of the support arm 300 is rotatably connected to the protective cover 100, the other end is connected to the inner wall of the chute 500, and the rotation of the support arm 300 on the protective cover 100 is used to adjust the support range of the support arm 300 to adapt to chutes 500 openings of different shapes and sizes.

[0029] In this embodiment, the protective cover 100 is circular or square as a whole (which can be designed according to the actual shape of the chute 500 opening), and the material is high-strength steel to ensure that it can withstand a certain impact force and weight, effectively covering the chute 500 opening, preventing people and debris from accidentally falling into the chute 500. The support seat 200 is a convex structure, and its material is the same as that of the protective cover 100. The main function is to provide connection and support for the support arm 300, and it is also the track for the movement of the adjusting sleeve 400. The support arm 300 is also made of high-strength steel, which is a slender rod structure with sufficient strength and rigidity, capable of bearing the protective cover 100 and external forces that may be applied to it. When the support arm 300 rotates, the position of the positioning head 301 at the other end of the support arm 300 on the inner wall of the chute 500 changes, thereby achieving the adjustment of the support range of the support arm 300. This adjustable support range makes the protective structure easily adapt to chutes 500 openings of different shapes and sizes. Whether it is a circular, square or irregularly shaped chute 500 opening, it can accurately cover and provide reliable protection.

[0030] The protective cover 100 comprises a support base 200 installed at the bottom of the protective cover 100, and a fixing groove 201 formed in the support base 200, one end of the support arm 300 being connected in the fixing groove 201. The support base 200 comprises an adjusting sleeve 400 sleeved on the support base 200, the adjusting sleeve 400 being arranged to move towards or away from the protective cover 100, and an adjusting arm 402, one end of the adjusting arm 402 being connected to the adjusting sleeve 400, and the other end of the adjusting arm 402 being connected to the support arm 300. The adjusting sleeve 400 comprises a connecting block 401 installed on the adjusting sleeve 400, one end of the adjusting arm 402 being connected to the connecting block 401, and a fixing block 403 installed on the support arm 300, the end of the adjusting arm 402 away from the connecting block 401 being connected to the fixing block 403.

[0031] The adjusting sleeve 400 is a cylindrical structure, the inner diameter of which is slightly larger than the outer diameter of the support base 200, and the two are in clearance fit, so as to ensure that the adjusting sleeve 400 can smoothly slide on the support base 200. The material of the adjusting sleeve 400 is the same as that of the support base 200, which has good wear resistance and strength, and the adjusting arm 402 is rotatably connected to the connecting block 401 and the fixing block 403 through a pin shaft. When the adjusting sleeve 400 moves, the adjusting arm 402 can swing with the movement of the adjusting sleeve 400, thereby pushing or pulling the support arm 300 to rotate.

[0032] The support arm 300 comprises a positioning head 301 arranged at one end of the support arm 300, the positioning head 301 being arranged to move towards or away from the support arm 300, the positioning head 301 being installed on the inner wall of the shaft 500, a groove 303 formed at one end of the support arm 300, a connecting seat 302, one end of the connecting seat 302 being connected in the groove 303, and the other end of the connecting seat 302 being connected to the connecting seat 302, and a pressure sensor 304 installed on the inner wall of the groove 303, one end of the connecting seat 302 being connected to the pressure sensor 304.

[0033] When the support arm 300 contacts the inner wall of the shaft 500 through the positioning head 301 and generates a supporting force, the supporting force is transmitted to the pressure sensor 304 through the connecting seat 302. The pressure sensor 304 converts the pressure signal into an electrical signal and transmits it to the control system, and the staff can monitor the supporting state of the support arm 300 in real time in the control room. If the pressure value is abnormal, such as too large or too small, the control system will promptly issue an alarm to remind the staff to check and adjust, so as to ensure the stability and safety of the protective structure.

[0034] The support base 200 further comprises a power source 202 installed on the support base 200, and a power shaft of the power source 202 being connected to the adjusting sleeve 400.

[0035] The power source 202 is usually selected as an electric push rod or a hydraulic cylinder. The power shaft of the power source 202 is connected with the adjusting sleeve 400. When the power source 202 is started, the extension and retraction movement of the power shaft drives the adjusting sleeve 400 to move along the support base 200. The power source 202 is connected with an external control system. The staff can accurately control the action of the power source 202 through the control system, so as to realize the adjustment of the support range of the support arm 300.

[0036] In use, the round or square protective cover 100 is hoisted to the top of the shaft 500 by a hoisting device. According to the actual shape and size of the shaft 500, the position of the protective cover 100 is fine-tuned to accurately align with the shaft 500. The operator starts the power source 202 through the external control system. The power shaft of the power source 202 starts the extension and retraction movement, driving the cylindrical adjusting sleeve 400 sleeved on the support base 200 to move along the support base 200. The connecting block 401 on the adjusting sleeve 400 moves with the adjusting sleeve 400, and the adjusting arm 402 connected with the connecting block 401 through the pin shaft swings. The other end of the adjusting arm 402 is connected with the fixed block 403 on the support arm 300 through the pin shaft, thereby pushing or pulling the support arm 300 to rotate in the fixed groove 201 of the support base 200 at the bottom of the protective cover 100.

[0037] The angle and position of the support arm 300 are preliminarily adjusted, so that the positioning head 301 tightly abuts against the inner wall of the shaft 500. In this process, the support force is transmitted to the pressure sensor 304 installed on the inner wall of the recess 303 of the support arm 300 through the connecting seat 302. The pressure sensor 304 converts the received pressure signal into an electric signal and transmits it to the control system. The staff observes the pressure data in the control room and adjusts the position of the support arm 300 by fine-tuning the power source 202, so as to ensure that the support force of each support arm 300 is uniform and within a suitable range, and the protective structure is installed stably.

[0038] After the protective structure is put into use, the pressure sensor 304 continuously works to monitor the pressure between the support arm 300 and the inner wall of the shaft 500 in real time. The pressure sensor 304 continuously converts the collected pressure signal into an electric signal and transmits it to the control system. The control system judges the real-time pressure data according to the preset pressure range. If the pressure value exceeds the normal range, whether it is too large or too small, the control system will timely issue an alarm signal to remind the staff to pay attention to the possible safety hazards of the protective structure.

[0039] Compared with the prior art, the present application has the following beneficial effects:

[0040] The support arm 300 is rotatably connected to the protective cover 100 at one end, and the rotation of the support arm 300 can adjust the support range, so that the protective structure can be easily adapted to different shapes and sizes of the shaft 500, and the adaptability of the protective structure is higher.

[0041] The support arm 300 and the inner wall of the shaft 500 are monitored in real time by the pressure sensor 304, and once the pressure value is abnormal, the staff can quickly take measures to adjust, effectively avoiding the failure of the protective structure caused by unstable support, and ensuring the safety of mine operation.

[0042] Therefore, although the utility model has been described herein with reference to its specific embodiments, modifications, various changes and substitutions are within the above disclosure, and it should be understood that in some cases, some features of the utility model will be used without corresponding use of other features without departing from the scope and spirit of the proposed utility model. Therefore, many modifications can be made to adapt the specific environment or material to the essential scope and spirit of the utility model. The utility model is not intended to be limited to the specific terms used in the following claims and / or the specific embodiments disclosed as the best mode for carrying out the utility model, but the utility model will include any and all embodiments and equivalents falling within the scope of the appended claims. Therefore, the scope of the utility model will only be determined by the appended claims.

Claims

1. A safety protection structure for mine ore passes, characterized in that, include: A protective cover (100) is installed at the opening of the chute (500); At least two support arms (300) are provided, one end of which is rotatably connected to the protective cover (100) and the other end is connected to the inner wall of the chute (500). The rotation of the support arm (300) on the protective cover (100) is used to adjust the support range of the support arm (300) to adapt to chute (500) openings of different shapes and sizes.

2. The safety protection structure for a mine chute according to claim 1, characterized in that, The protective cover (100) includes: A support base (200) is installed at the bottom of the protective cover (100); A fixing groove (201) is formed on the support base (200), and one end of the support arm (300) is connected to the fixing groove (201).

3. The safety protection structure for a mine chute according to claim 2, characterized in that, The support base (200) includes: An adjusting sleeve (400) is fitted onto the support base (200), and the adjusting sleeve (400) is configured to move closer to or further away from the protective cover (100); An adjusting arm (402) is provided, one end of which is connected to an adjusting sleeve (400), and the other end of which is connected to a support arm (300).

4. The safety protection structure for a mine chute according to claim 3, characterized in that, The adjusting sleeve (400) includes: A connecting block (401) is installed on the adjusting sleeve (400), and one end of the adjusting arm (402) is connected to the connecting block (401); A fixing block (403) is installed on the support arm (300), and the end of the adjusting arm (402) away from the connecting block (401) is connected to the fixing block (403).

5. A safety protection structure for mine ore passes according to claim 1, characterized in that, The support arm (300) includes: A positioning head (301) is provided at one end of the support arm (300). The positioning head (301) is configured to move closer to or further away from the support arm (300). The positioning head (301) is installed on the inner wall of the chute (500).

6. A safety protection structure for mine ore passes according to claim 5, characterized in that, The support arm (300) also includes: A groove (303) is formed at one end of the support arm (300); The connector (302) is connected at one end to the groove (303) and at the other end to the connector (302).

7. A safety protection structure for mine ore passes according to claim 6, characterized in that, The support arm (300) also includes: A pressure sensor (304) is installed on the inner wall of the groove (303), and one end of the connecting seat (302) is connected to the pressure sensor (304).

8. A safety protection structure for mine ore passes according to claim 3, characterized in that, The support base (200) also includes: A power source (202) is installed on the support base (200), and the power shaft of the power source (202) is connected to the adjusting sleeve (400).

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