Protective device, sensor assembly, and mining equipment

Abstract

The present application relates to the technical field of mining equipment, and discloses a protection device, a sensor assembly and mining equipment, the protection device comprising: a bearing seat; a protection assembly arranged on the bearing seat, the protection assembly and the bearing seat forming a protection cavity, a mounting position being located in the protection cavity, at least a part of the protection assembly forming a movable part, the movable part being movable relative to the bearing seat; and a driving assembly in driving connection with the protection assembly, the protection assembly being provided on the bearing seat, the protection assembly being movable by the driving assembly, the protection cavity being in a closed state when the movable part is in a closed state, the bearing seat and the protection assembly being capable of forming all-round protection for the sensor, the sensor being capable of normal operation when the movable part is in an open state, and an operator being capable of flexibly adjusting the state of the movable part according to the current working environment.

Description

Technical Field

[0001] This invention relates to the field of mining equipment technology, specifically to protection devices, sensor assemblies, and mining equipment. Background Technology

[0002] Currently, the intelligent and autonomous transformation of mining trucks, especially in the coal mining sector, involves the extensive use of sensors such as lidar, millimeter-wave radar, and high-definition cameras. However, due to the harsh operating environment, these sensors are easily damaged by falling rocks during operation, affecting the accuracy of the data. Because mining sensors are generally expensive, protective devices are becoming increasingly common.

[0003] Currently, existing mine car sensors are mainly protected by protective covers. These covers are usually enclosed enclosures with tempered glass or plexiglass panels on one or more sides that allow light to pass through. While this type of cover can prevent the sensor from being hit by gravel, the light-transmitting parts are easily contaminated with dust and oil during mine car operation, affecting the normal operation of the sensor. This requires frequent wiping and maintenance by operators, resulting in poor stability in use. Summary of the Invention

[0004] This invention provides a protective device, a sensor assembly, and mining equipment to solve the problem of poor stability of the protective cover of existing mine car sensors.

[0005] In a first aspect, the present invention provides a protective device for protecting sensors in mining equipment, comprising: The support base has a mounting position on top for mounting the sensor; A protective component is disposed on a support base, and the protective component and the support base together form a protective cavity. The mounting position is located in the protective cavity. At least a portion of the protective component forms a movable part, which can move relative to the support base. The movable part has an open state that opens the protective cavity and a closed state that closes the protective cavity. The drive component is connected to the protection component and is used to drive the movement of the moving part.

[0006] Beneficial effects: A protective component is installed on the support base. The protective component can move its movable part through the drive component. After the sensor is installed in the protective cavity, the protective cavity is closed when the movable part is in the closed state. The support base and the protective component can provide all-round protection for the sensor. When the movable part is in the open state, the sensor can work normally. The operator can flexibly adjust the state of the movable part according to the current working environment. When the environment is too harsh or the sensor does not need to be used, it can be kept in the closed state. When the sensor needs to be used, the movable part can be switched to the open state, which effectively solves the problem of poor stability of the protective cover of the existing mine car sensor.

[0007] In one alternative embodiment, the protective component cover includes a fixed cover and a movable cover. The fixed cover is fixedly disposed on the support, and the movable cover forms a movable part. The movable cover is movably disposed on the support and connected to the protective component. At least a portion of the mounting position is located below the fixed cover.

[0008] Beneficial effects: With this type of protective component, even when the movable cover is opened after the sensor is installed in the mounting position, the sensor is not completely exposed to the external environment. At this time, the fixed cover can still play a protective role on the top of the sensor, effectively protecting the sensor without affecting its normal operation.

[0009] In one alternative embodiment, the movable cover is pivotally mounted on the support base, and when the movable cover is in the open state, it is sleeved over the fixed cover.

[0010] Beneficial effects: This type of movable cover structure is more compact and does not occupy a large amount of extra space when it is open. It can effectively reduce the possibility of interference between itself and the surrounding environment or components, effectively reduce the working space required for the protective device, and make it easier for the protective device to move and be arranged.

[0011] In one optional embodiment, both the movable cover and the fixed cover are fan-shaped or spherical covers with a gap between them. Along the swing direction of the movable cover, one end of the movable cover forms a first mating end and the other end forms a second mating end. The first mating end is provided with a first sealing element, which abuts against the outer wall of the fixed cover. The second mating end is provided with a second sealing element, which abuts against the end face of the support or the movable cover.

[0012] Beneficial effects: When the movable cover and the fixed cover of this type are in conjunction, they make indirect contact through the sealing element, which ensures the reliability of the seal and reduces the wear caused by direct collision between the two. Since the movable cover is a movable part, when the movable cover is in the closed state, the first and second sealing elements can effectively improve the sealing reliability of the protective cavity.

[0013] In one optional embodiment, the support base has an internal accommodating space, and the side wall of the support base is provided with a through hole communicating with the accommodating space. The drive component is disposed in the accommodating space, and the drive end of the drive component is connected to the movable cover through the through hole.

[0014] Beneficial effects: This arrangement of the drive components not only improves the structural compactness of the protection device and reduces the space occupied by the protection device, but also effectively protects the drive components and prevents them from being interfered with by external particles such as gravel in the working environment.

[0015] In one optional embodiment, the protective device further includes a control component disposed in the receiving space, the control component being controllably connected to the drive component; The control component includes a wired control component, and the carrier is provided with a communication hole, through which the wiring harness of the wired control component is connected to external components; And / or, the control component includes a wireless control component that is signal-connected to external components.

[0016] Beneficial effects: Operators can remotely control the status of the protection device, which can effectively improve the ease of use of the protection device.

[0017] In one alternative embodiment, the support includes a base body and a base plate. The mounting position is located at the top of the base body. The base body has a groove with an opening facing the base plate. The base plate is detachably connected to the base plate of the base body and is used to seal the opening of the groove. The space inside the groove forms an accommodating space. The base plate is adapted to be connected to the main body of the equipment. The drive assembly is disposed on the inner wall of the groove.

[0018] Beneficial effects: With this type of split-type carrier, once the base plate is connected to the vehicle body, when it is necessary to inspect and maintain the protection device and sensors, the carrier can be directly removed from the base plate. Operators do not need to continuously disassemble multiple parts at the installation location of the protection device. The protection device, except for the base plate, can be moved to a suitable environment for further disassembly and maintenance, which greatly improves the convenience of maintenance of the protection device.

[0019] In one optional embodiment, the drive assembly includes a drive motor, a first transmission structure, a second transmission structure, and a detection element. The drive motor drives the movable cover to swing through the first transmission structure, and the first transmission structure drives the detection element to rotate through the second transmission structure. And / or, the side wall of the base is also provided with an indicator light mounting hole and a button mounting hole. The protection device also includes an indicator light and a control button. The indicator light is disposed in the indicator light mounting hole and electrically connected to the control assembly, and the control button is mounted in the button mounting hole and electrically connected to the control assembly.

[0020] Beneficial effects: The drive component has a simple and reliable structure. The detection component can detect the rotation angle of the first transmission structure, thereby reflecting the position of the moving cover to the operator in real time. In addition, the working status of the protection device can be reflected by whether the indicator light is on or the color of the indicator light. The operator can manually adjust whether the moving cover is open or closed on site through the control button.

[0021] In a second aspect, the present invention also provides a sensor assembly comprising: The aforementioned protective devices; At least one sensor is located at the mounting position of the protection device.

[0022] Thirdly, the present invention also provides a mining device, comprising: body; The aforementioned sensor components are mounted on the fuselage. Attached Figure Description

[0023] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional schematic diagram of a protection device according to an embodiment of the present invention; Figure 2 for Figure 1 A three-dimensional schematic diagram of the protective device from another perspective; Figure 3 for Figure 1 A three-dimensional schematic diagram of the protective device with its movable cover in the open position; Figure 4 for Figure 3 A three-dimensional schematic diagram of the protective device without a base plate. Figure 5 for Figure 1 A cross-sectional schematic diagram of the protective device shown.

[0025] Explanation of reference numerals in the attached figures: 1. Support base; 101. Mounting position; 102. Accommodation space; 103. Through hole; 104. Communication hole; 105. Power supply hole; 106. Base body; 107. Base plate; 108. Indicator light mounting hole; 109. Button mounting hole; 2. Protective components; 201. Protective cavity; 202. Fixed cover; 203. Movable cover; 2031. First mating end; 2032. Second mating end; 2033. Threading hole; 204. First sealing element; 205. Second sealing element; 3. Drive components; 301. Drive motor; 302. First transmission structure; 303. Second transmission structure; 304. And detection components; 4. Sensors; 5. Control components. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] The following is combined with Figures 1 to 5 The following describes embodiments of the present invention.

[0028] According to an embodiment of the present invention, in one aspect, a protective device is provided for protecting a sensor 4 of a mining equipment, comprising: a support 1, a protective component 2, and a drive component 3.

[0029] The top of the support 1 has a mounting position 101 for mounting the sensor 4; The protective component 2 is disposed on the support 1, and the protective component 2 and the support 1 together form a protective cavity 201. The mounting position 101 is located in the protective cavity 201. At least a part of the protective component 2 forms a movable part, which can move relative to the support 1. The movable part has an open state that opens the protective cavity 201 and a closed state that closes the protective cavity 201. The drive component 3 is connected to the protection component 2, and the drive component 3 is used to drive the movement of the moving part.

[0030] The protective device of this embodiment is provided with a protective component 2 on the support 1. The protective component 2 can move its movable part through the drive component 3. After the sensor 4 is installed in the protective cavity 201, when the movable part is in the closed state, the protective cavity 201 is in the closed state. The support 1 and the protective component 2 can provide all-round protection for the sensor 4. When the movable part is in the open state, the sensor 4 can work normally. The operator can flexibly adjust the state of the movable part according to the current working environment. When the environment is too harsh or the sensor 4 does not need to be used, it can be kept in the closed state. When the sensor 4 can be used in a suitable environment, the movable part can be switched to the open state, which effectively solves the problem of poor stability of the protective cover of the existing mine car sensor.

[0031] It should be noted that the top of the support seat 1 is... Figure 1 The part on the side indicated by the middle arrow in the "up" direction, in this embodiment, is the upper part. Figure 1 The direction indicated by the middle arrow, "up," is below. Figure 1 The direction indicated by the middle arrow is "down".

[0032] Furthermore, there are no restrictions on the specific structure of the protective component 2. It can be that only a part of it forms a movable part, or the entire protective component 2 can be a movable part. There are no restrictions on the movement mode of the movable part. The movable part can move by translating in space or by swinging in space, as long as it can move to a position that does not affect the normal operation of the sensor 4.

[0033] In one embodiment, the movable part is provided with a light-transmitting structure so that the sensor 4 can still work normally when the movable part is in the closed state. When the light-transmitting structure is worn or dirty, the movable part can be switched to the open state. At this time, the operator does not need to perform maintenance and the sensor 4 can still continue to work.

[0034] In one embodiment, the protective component 2 includes a fixed cover 202 and a movable cover 203. The fixed cover 202 is fixedly disposed on the support 1, and the movable cover 203 forms a movable part, which is movably disposed on the support 1 and connected to the protective component 2. At least a portion of the mounting position 101 is located below the fixed cover 202. With this type of protective component 2, even when the movable cover 203 is open after the sensor 4 is installed in the mounting position 101, the sensor 4 is not completely exposed to the external environment. The fixed cover 202 can still provide protection to the top of the sensor 4, effectively protecting the sensor 4 without affecting its normal operation.

[0035] Specifically, in actual operation, since sensor 4 does not work continuously for a long time, although the protective cover in the relevant technology can protect sensor 4, when the light-transmitting parts are blocked or worn, sensor 4 cannot work effectively. In actual application scenarios, if sensor 4 is well protected but fails to work properly when needed, sensor 4 is also in a failed state. After the operator parks the vehicle in the working environment, he / she needs to enter the working environment to maintain the protective cover. Not only is the maintenance process time-consuming and difficult, but in the complex working environment, the maintenance process of the operator also poses a great safety hazard.

[0036] The protection device in this embodiment strikes a balance between the protection requirements and normal operation requirements of the sensor 4. It can provide all-round protection when the sensor 4 does not need to operate, and can also reduce some of the protection capabilities while enabling the sensor 4 to operate reliably without obstruction when the sensor 4 needs to operate.

[0037] Here, "unobstructed" means that sensor 4 only needs a portion of the angle to be completely unobstructed to operate normally, not that there need to be no obstructions around it.

[0038] In one embodiment, the movable cover 203 is swayably disposed on the support 1. When the movable cover 203 is in the open state, it is sleeved on the outside of the fixed cover 202. This type of movable cover 203 has a more compact structure and does not occupy a large amount of extra space when in the open state. It can effectively reduce the possibility of interference between itself and the surrounding environment or components, effectively reduce the working space required by the protection device, and make it easier for the protection device to be moved and arranged.

[0039] It is understandable that, as an alternative implementation, the movable cover 203 can also be translated to be in the open state, but this requires multiple displacements and is prone to interference with the sensor 4.

[0040] The structure of the movable cover 203 and the fixed cover 202 is not limited. They can be rectangular covers, spherical covers or other irregularly shaped covers, as long as the movable cover 203 can be fitted over the fixed cover 202.

[0041] In one embodiment, such as Figures 1 to 3 As shown, the movable cover 203 and the fixed cover 202 are fan-shaped or spherical covers with a gap between them. Along the swing direction of the movable cover 203, one end of the movable cover 203 forms a first mating end 2031 and the other end forms a second mating end 2032. The first mating end 2031 is provided with a first sealing element 204, which abuts against the outer wall of the fixed cover 202 through the first sealing element 204. The second mating end 2032 is provided with a second sealing element 205, which abuts against the end face of the support seat 1 or the movable cover 203 through the second sealing element 205. When the movable cover 203 and the fixed cover 202 of this type are in conjunction, they make indirect contact through the sealing element, which ensures the reliability of the seal and reduces the wear problem caused by direct collision between the two. Since the movable cover 203 is a movable part, when the movable cover 203 is in the closed state, the first sealing element 204 and the second sealing element 205 can effectively improve the sealing reliability of the protective cavity 201.

[0042] Furthermore, during the process of the movable cover 203 changing from the closed state to the open state, the first mating end 2031 will scrape along the outer wall of the fixed cover 202 through the first sealing member 204, thereby cleaning the outer wall of the fixed cover 202. When the movable cover 203 is in the open state, the movable cover 203 will abut against the end face of the movable cover 203 through the second sealing member 205. The movable cover 203, the first sealing member 204, the fixed cover 202, and the second sealing member 205 can form a cavity. Since the first sealing member 203... 04 Scraping is performed during the movement to prevent gravel particles from remaining in the cavity. Since the second seal 205 seals the cavity, external gravel cannot enter the cavity. This not only prevents gravel particles from remaining in the cavity and causing wear on the fixed cover 202 and the movable cover 203, but also prevents the first seal 204 from bringing the gravel particles that have entered the cavity into the receiving space 102 when the movable cover 203 switches from the open state to the closed state. This can effectively improve the reliability of this swing-type cover.

[0043] Specifically, such as Figure 1 and Figure 4 As shown, the fixed cover 202 is also provided with a wire hole 2033, through which the wire harness of the sensor 4 can be connected to the outside.

[0044] In one embodiment, the support base 1 has an internal accommodating space 102, and a through hole 103 communicating with the accommodating space 102 is provided on the side wall of the support base 1. The drive assembly 3 is disposed in the accommodating space 102, and the drive end of the drive assembly 3 is connected to the movable cover 203 through the through hole 103. This arrangement of the drive assembly 3 not only improves the structural compactness of the protective device and reduces the space occupied by the protective device, but also effectively protects the drive assembly 3, preventing it from being interfered with by external particles such as gravel in the working environment.

[0045] In one embodiment, the protection device further includes a control component 5 disposed in the receiving space 102, the control component 5 being controlled to the drive component 3; The control component 5 includes a wired control component, and the carrier 1 is also provided with a communication hole 104, through which the wire harness of the wired control component is connected to external components. And / or, control component 5 includes a wireless control component that is signal-connected to an external component.

[0046] Operators can remotely control the status of the protection device, which can effectively improve the ease of use of the protection device.

[0047] Specifically, such as Figure 4 As shown, the side wall of the support 1 is also provided with a power supply hole 105, through which the control component 5 can be connected to an external power source.

[0048] In one embodiment, the support 1 includes a base 106 and a base plate 107. A mounting position 101 is located on top of the base 106. The base 106 has a groove with an opening facing the base plate 107. The base plate 107 is detachably connected to the base 106 and is used to seal the opening of the groove. The space within the groove forms a receiving space 102. The base plate 107 is adapted to connect to the main body of the equipment. The drive assembly 3 is disposed on the inner wall of the groove. With this split-type support 1, when the base plate 107 is connected to the vehicle body and maintenance of the protection device and sensor 4 is required, the base 106 can be directly removed from the base plate 107. Operators do not need to continuously disassemble multiple components at the installation location of the protection device. The protection device, except for the portion with base plate 107, can be moved to a suitable environment for further disassembly and maintenance, greatly improving the convenience of maintenance of the protection device.

[0049] The detachable connection method between the base 106 and the base plate 107 is not limited; it can be bolted, connected by a connecting pin, or snapped together using a snap-fit ​​structure, and can be flexibly selected according to requirements.

[0050] In one embodiment, the drive assembly 3 includes a drive motor 301, a first transmission structure 302, a second transmission structure 303, and a detection element 304. The drive motor 301 drives the movable cover 203 to swing through the first transmission structure 302, and the first transmission structure 302 drives the detection element to rotate through the second transmission structure 303. The drive assembly 3 has a simple and reliable structure, and the detection element 304 can detect the rotation angle of the first transmission structure 302, thereby providing the operator with real-time feedback on the position of the movable cover 203.

[0051] Specifically, such as Figure 5 As shown, the output end of the drive motor 301 is connected to the screw in the first transmission structure 302. The screw in the first transmission structure 302 can drive the transmission rod with transmission teeth inside to rotate. The second transmission structure 303 is a transmission chain or transmission belt. The transmission rod drives the detection wheel of the detection piece to rotate through the second transmission structure 303, thereby reflecting the rotation angle of the transmission rod.

[0052] In one embodiment, the side wall of the base 106 is also provided with an indicator light mounting hole 108 and a button mounting hole 109. The protection device also includes an indicator light and a control button. The indicator light is set in the indicator light mounting hole 108 and electrically connected to the control component 5. The working status of the protection device can be reflected by whether the indicator light is lit or the color of the indicator light. The control button is installed in the button mounting hole 109 and electrically connected to the control component 5. The operator can manually adjust whether the movable cover 203 is opened or closed on site through the control button.

[0053] The number of button mounting holes 109 is not limited; it can be one or more, depending on the specific type of control button.

[0054] Optional, such as Figure 3 As shown, the side wall of the base 106 is provided with two button mounting holes 109. The control buttons include a close button and an open button. The close button is installed in one of the button mounting holes 109, and the open button is installed in the other button mounting hole 109.

[0055] According to an embodiment of the present invention, another aspect provides a sensor assembly comprising: the aforementioned protection device and at least one sensor 4, wherein the at least one sensor 4 is disposed at the mounting position 101 of the protection device.

[0056] In this embodiment, sensor 4 includes lidar, millimeter-wave radar, and high-definition camera.

[0057] According to an embodiment of the present invention, in another aspect, a mining device is also provided, comprising: The fuselage and the aforementioned sensor assembly, with the sensor assembly located on the fuselage.

[0058] In this embodiment, mining equipment includes mining trucks, tunneling machines, drilling rigs, and other equipment.

[0059] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A protective device for protecting sensors (4) of mining equipment, characterized in that, include: The carrier (1) has a mounting position (101) on top for mounting the sensor (4). A protective component (2) is disposed on the support base (1). The protective component (2) and the support base (1) together form a protective cavity (201). The mounting position (101) is located in the protective cavity (201). At least a portion of the protective component (2) forms a movable part. The movable part can move relative to the support base (1). The movable part has an open state that opens the protective cavity (201) and a closed state that closes the protective cavity (201). The drive component (3) is driven to connect with the protective component (2), and the drive component (3) is used to drive the moving part to move.

2. The protection device according to claim 1, characterized in that, The protective component (2) includes a fixed cover (202) and a movable cover (203). The fixed cover (202) is fixedly disposed on the support (1). The movable cover (203) forms the movable part. The movable cover (203) is movably disposed on the support (1). The movable cover (203) is connected to the protective component (2). At least a portion of the mounting position (101) is located below the fixed cover (202).

3. The protection device according to claim 2, characterized in that, The movable cover (203) is swayably disposed on the support (1). When the movable cover (203) is in the open state, the movable cover (203) is sleeved on the outside of the fixed cover (202).

4. The protection device according to claim 3, characterized in that, Both the movable cover (203) and the fixed cover (202) are fan-shaped or spherical covers. There is a gap between the movable cover (203) and the fixed cover (202). Along the swing direction of the movable cover (203), one end of the movable cover (203) forms a first mating end (2031) and the other end forms a second mating end (2032). The first mating end (2031) is provided with a first sealing element (204). The first mating end (2031) abuts against the outer wall of the fixed cover (202) through the first sealing element (204). The second mating end (2032) is provided with a second sealing element (205). The second mating end (2032) abuts against the end face of the support seat (1) or the movable cover (203) through the second sealing element (205).

5. The protective device according to claim 3 or 4, characterized in that, The bearing seat (1) has an internal accommodating space (102). The side wall of the bearing seat (1) is provided with a through hole (103) communicating with the accommodating space (102). The driving component (3) is disposed in the accommodating space (102). The driving end of the driving component (3) is connected to the movable cover (203) through the through hole (103).

6. The protection device according to claim 5, characterized in that, The protective device further includes a control component (5) disposed in the receiving space (102), the control component (5) being controllably connected to the drive component (3); The control component (5) includes a wired control component (5), and the carrier (1) is provided with a communication hole (104). The wire harness of the wired control component (5) is connected to an external component through the communication hole (104). And / or, the control component (5) includes a wireless control component (5) that is signal-connected to an external component.

7. The protection device according to claim 6, characterized in that, The support (1) includes a seat (106) and a base plate (107). The mounting position (101) is located on the top of the seat (106). The seat (106) has a groove with an opening facing the base plate (107). The base plate (107) is detachably connected to the base plate (107) of the seat (106) and is used to seal the opening of the groove. The space inside the groove forms the receiving space (102). The base plate (107) is adapted to be connected to the main body of the device. The drive assembly (3) is disposed on the inner wall of the groove.

8. The protection device according to claim 7, characterized in that, The drive assembly (3) includes a drive motor (301), a first transmission structure (302), a second transmission structure (303), and a detection element (304). The drive motor (301) drives the movable cover (203) to swing through the first transmission structure (302), and the first transmission structure (302) drives the detection element to rotate through the second transmission structure (303). And / or, the side wall of the base (106) is also provided with an indicator light mounting hole (108) and a button mounting hole (109). The protection device also includes an indicator light and a control button. The indicator light is disposed in the indicator light mounting hole (108) and electrically connected to the control component (5). The control button is installed in the button mounting hole (109) and electrically connected to the control component (5).

9. A sensor assembly, characterized in that, include: The protective device according to any one of claims 1 to 8; At least one sensor (4) is disposed at the mounting position (101) of the protection device.

10. A mining equipment, characterized in that, include: body; The sensor assembly of claim 9 is disposed on the body.

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