Detection device for buffer in elevator pit

Abstract

The utility model relates to the technical field of elevators, in particular to a buffer detection device in an elevator pit, which is characterized in that one end of a telescopic support mechanism is rotatably connected with the side wall of a host shell, the other end of the telescopic support mechanism is provided with a rotary support plate, and a first camera is mounted on the support plate; a storage bin is arranged in the main machine shell, and an opening of the storage bin is located in the side wall of the main machine shell. When the first camera is in the storage state, the telescopic supporting mechanism rotates to be close to the side wall of the host shell, the first camera is located in the storage bin, and the supporting plate blocks the opening of the storage bin; when the first camera is in a working state, the telescopic supporting mechanism supports the first camera to be located above the host shell. The detection device has the advantages of being convenient to use and carry, capable of carrying out video recording on the elevator buffer, and suitable for carrying out audio and video recording operation on information of the whole process that a lift car (counterweight) leaves the buffer and the like before and when the buffer is compressed in the elevator buffer detection process.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and in particular to a buffer detection device in the elevator pit. Background Technology

[0002] The current "Rules for Supervision and Periodic Inspection of Elevators" require elevator inspectors to conduct compression tests on elevators using non-metallic nonlinear energy storage buffers, observe and confirm on-site, measure relevant test data, and record audio and video of the entire process, including before the buffer is compressed, during compression, and when the car (counterweight) leaves the buffer. Currently, elevator inspectors typically use mobile phones, selfie devices, or video recorders to manually monitor and record the compression test in the elevator pit. This video recording is not standardized and poses certain safety hazards.

[0003] In existing technologies, there are camera equipment with tripods, which are inconvenient for height adjustment and carrying, as well as cameras directly mounted on elevator buffers. For example, the elevator buffer reset time detection device disclosed in CN216038014U uses a CCD industrial camera fixed to the buffer sleeve by a support plate. The lens of the CCD industrial camera is directly facing the scale and pointer. Based on video analysis, it understands data such as the travel and reset time of the elevator buffer, thereby analyzing the performance of the elevator buffer. This detection device needs to be installed on the elevator buffer, making the detection operation cumbersome, and it is not suitable for audio and video recording of the entire process of the buffer before compression, during compression, and when the car (counterweight) leaves the buffer. Utility Model Content

[0004] The purpose of this utility model is to propose a buffer detection device in the elevator pit, which is convenient to use and carry, can record video of the elevator buffer, and is suitable for recording audio and video information of the entire process of the buffer before compression, during compression, and when the car (counterweight) leaves the buffer in elevator buffer detection.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] An elevator pit buffer detection device includes a main housing, a telescopic support mechanism, and a first camera. One end of the telescopic support mechanism is rotatably connected to the side wall of the main housing, and the other end of the telescopic support mechanism is provided with a rotating support plate. The first camera is mounted on the support plate.

[0007] The main unit housing has a storage compartment inside, and the opening of the storage compartment is located on the side wall of the main unit housing.

[0008] When the first camera is in the storage state, the telescopic support mechanism rotates to be close to the side wall of the main body housing, the first camera is located in the storage compartment, and the support plate blocks the opening of the storage compartment;

[0009] When the first camera is in operation, the telescopic support mechanism supports the first camera above the main housing.

[0010] Furthermore, the telescopic support mechanism includes a support column and a telescopic rod. One end of the support column is rotatably connected to the side wall of the main housing, and one end of the telescopic rod is rotatably connected to the support column and the other end is rotatably connected to the support plate.

[0011] When the first camera is in the retracted state, the support column and the telescopic rod are respectively close to two adjacent side walls of the main body housing.

[0012] Furthermore, a connecting block is provided at one end of the telescopic rod, a clamping plate is provided on one side of the support plate, the connecting block is located between the two clamping plates, and the connecting block is connected to the clamping plate by a shaft;

[0013] The other end of the telescopic rod is provided with a connector, which has a connecting groove. The end of the support column is inserted into the connecting groove, and the connecting groove is connected to the end of the support column by a shaft.

[0014] Furthermore, the top wall of the main unit housing is provided with a heat dissipation opening, and the bottom of the heat dissipation opening is provided with a sealing mechanism, which is linked to the telescopic support mechanism.

[0015] When the first camera is in the retracted state, the sealing mechanism blocks the heat dissipation opening; when the first camera is in the working state, the sealing mechanism opens the heat dissipation opening.

[0016] Furthermore, the sealing mechanism includes a baffle and a guide rod and a transmission block fixed to the baffle. The baffle has a through hole corresponding to the heat dissipation opening. The baffle and the guide rod are respectively slidably engaged with the inner wall of the main unit housing. The guide rod is sleeved with a return spring.

[0017] The telescopic support mechanism is inserted into one end of the main housing and connected to a drive disk. The drive disk has a protrusion that is used to push the transmission block.

[0018] Furthermore, the inner wall of the main housing is provided with guide grooves and mounting plates. The two guide grooves are respectively located on both sides of the heat dissipation opening, and the mounting plate is located on the side of the heat dissipation opening away from the telescopic support mechanism.

[0019] The two sides of the baffle are inserted into the guide groove, and the guide rod is slidably engaged with the mounting plate.

[0020] Furthermore, the elevator pit buffer detection device also includes a second camera. The main unit housing is provided with a storage box. The interior of the main unit housing is divided into a main unit housing and a storage section. Both the storage box and the storage compartment are located in the storage section.

[0021] The second camera is placed inside the storage box.

[0022] Furthermore, the storage box includes a side panel, a back panel, and a sliding panel, with the back panel and the sliding panel connected by a connecting plate;

[0023] The two side plates are fixed to the inner wall of the main unit housing, the push-pull plate is located at the bottom of the main unit housing, and both ends of the push-pull plate are inserted into the main unit housing and fixedly connected to the connecting plate;

[0024] The side of the connecting plate is connected to an elastic limiting piece, and the rear of the side plate is provided with a clearance groove. When the second camera is in the storage state, the elastic limiting piece is located in the clearance groove, and the elastic limiting piece abuts against the second camera.

[0025] The end of the connecting plate or the push-pull plate slides into contact with the outer surface of the side plate.

[0026] Furthermore, a screen is provided on the top of the main housing, an expansion hole is provided on one side of the main housing, and a threaded hole is provided on the back of the second camera, the threaded hole of the second camera being connected to the expansion hole by bolts;

[0027] The first camera, the screen, and the second camera are electrically connected to the host unit within the host unit housing.

[0028] Furthermore, the bottom of the main unit housing is provided with several adjustable support feet, and the upper part of the main unit housing is provided with several spirit levels.

[0029] The technical solution provided by this utility model can include the following beneficial effects:

[0030] 1. The telescopic support mechanism based on rotational installation and the storage compartment make the detection height of the first camera adjustable. During detection, there is no need for a person to hold it steady, making video recording more standardized. Moreover, the device occupies little space after storage, making it easy to carry.

[0031] 2. The heat dissipation openings on the main unit casing facilitate heat dissipation of the main unit. The sealing mechanism is linked with the telescopic support mechanism, which allows the heat dissipation openings to open during testing and close after testing. The heat dissipation openings can be sealed or opened without additional operation, making the testing device easy to use.

[0032] 3. The detection device in this solution can simultaneously record video of the car buffer and the counterweight buffer using the first and second cameras, respectively, which greatly shortens the detection time. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of a buffer detection device in an elevator pit according to an embodiment of the present invention;

[0034] Figure 2 This is a diagram illustrating the first camera in use;

[0035] Figure 3 yes Figure 1 The diagram shows the buffer detection device in the elevator pit after the top surface of the main unit housing has been removed.

[0036] Figure 4 This is a schematic diagram of the buffer detection device in the elevator pit after the screen has been removed.

[0037] Figure 5 This is a schematic diagram showing the cooperation between the telescopic support mechanism and the sealing mechanism;

[0038] Figure 6 This is a diagram of a storage box;

[0039] Figure 7 This is a schematic diagram of the second camera;

[0040] The components include: main unit housing 1, storage compartment 11, heat dissipation opening 12, guide groove 13, mounting plate 14, expansion hole 15, main unit 16, telescopic support mechanism 2, support plate 21, clamping plate 211, support column 22, telescopic rod 23, connecting block 231, connector 232, drive disk 24, protrusion 241, first camera 3, sealing mechanism 4, baffle 41, guide rod 42, transmission block 43, reset spring 44, second camera 5, threaded hole 51, storage box 6, side plate 61, clearance groove 611, back plate 62, push-pull plate 63, connecting plate 64, elastic limit piece 65, screen 7, adjustable support foot 8, and level 9. Detailed Implementation

[0041] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0042] The following combination Figures 1 to 7This invention describes an elevator pit buffer detection device according to an embodiment of the present invention, comprising a main housing 1, a telescopic support mechanism 2, and a first camera 3. One end of the telescopic support mechanism 2 is rotatably connected to the side wall of the main housing 1, and the other end of the telescopic support mechanism 2 is provided with a rotating support plate 21. The first camera 3 is mounted on the support plate 21.

[0043] The main unit housing 1 is provided with a storage compartment 11, the opening of which is located on the side wall of the main unit housing 1. When the first camera 3 is in the storage state, the telescopic support mechanism 2 rotates to be close to the side wall of the main unit housing, the first camera 3 is located in the storage compartment 11, and the support plate 21 blocks the opening of the storage compartment 11. When the first camera 3 is in the working state, the telescopic support mechanism 2 supports the first camera 3 to be located above the main unit housing 1.

[0044] When the elevator pit buffer detection device of this solution is used for detection, the entire device is placed in the elevator pit. The length and angle of the support telescopic mechanism are adjusted so that the first camera 3 is positioned above the main housing 1 and directly facing the elevator buffer. After the first camera 3 completes audio and video recording of the entire process of the buffer being compressed, during compression, and when the car (counterweight) leaves the buffer, the first camera 3 is then stored in the storage compartment 11, and the entire device is removed from the elevator pit. After the first camera 3 is stored, the detection device is roughly rectangular in shape, making it easy to carry.

[0045] The detection device, based on the rotating telescopic support mechanism 2 and the storage compartment 11, allows for adjustable detection height of the first camera 3. During detection, it eliminates the need for manual holding, resulting in more standardized video recording. Furthermore, the device occupies minimal space when stored, making it easy to carry. Understandably, by adjusting the size of the support plate and the opening of the storage compartment 11, a larger opening is achieved. When the telescopic support mechanism 2 is rotated, the first camera 3 will not interfere with the opening of the storage compartment 11. Even if the storage compartment 11 is located at one end of the main housing 1, the first camera 3 can still be smoothly stored and retrieved.

[0046] Preferably, the first camera 3 is mounted on the support plate 21 via a bracket, and the first camera 3 is rotatably connected to the bracket to facilitate further adjustment of the angle of the first camera 3.

[0047] like Figure 2 As shown, in one embodiment of the present invention, the telescopic support mechanism 2 includes a support column 22 and a telescopic rod 23. One end of the support column 22 is rotatably connected to the side wall of the main housing 1, and one end of the telescopic rod 23 is rotatably connected to the support column 22, and the other end is rotatably connected to the support plate 21.

[0048] When the first camera 3 is in the retracted state, the support column 22 and the telescopic rod 23 are respectively close to two adjacent side walls of the main body housing 1.

[0049] The support column 22 and telescopic rod 23 allow for a wider range of camera height adjustment. Furthermore, the segmented telescopic support mechanism 2 enables the main unit housing 1 to have a smaller size for easier portability. For example, the main unit housing 1 is rectangular, with the support column 22 mounted on the short side of the main unit housing 1, and the telescopic rod 23 positioned close to the long side of the main unit housing 1.

[0050] It should be noted that the support column 22 and the telescopic rod 23 rotate at their connection positions, using existing positioning methods to achieve pairwise positioning between the support plate 21, the telescopic rod 23, the support column 22, and the main housing 1. These methods include bolt tightening, pin hole positioning, ball bearing groove positioning, and ratchet pawl mechanisms. In this design, the telescopic rod is a sleeve-type telescopic rod.

[0051] Specifically, a connecting block 231 is provided at one end of the telescopic rod 23, a clamping plate 211 is provided on one side of the support plate 21, the connecting block 231 is located between the two clamping plates 211, and the connecting block 231 is connected to the clamping plate 211 by a shaft.

[0052] The other end of the telescopic rod 23 is provided with a connector 232, which has a connecting groove. The end of the support column 22 is inserted into the connecting groove, and the connecting groove is connected to the end of the support column 22 by a shaft.

[0053] The connection structure at both ends of the telescopic rod 23 is simple. The positioning between the support plate 21, the telescopic rod 23 and the support column 22, as well as the positioning of the support column in the main housing 1, can be achieved through the interference fit of the mechanical structure. Alternatively, the shaft between the connecting block 231 and the clamping plate 211 and the shaft between the connecting groove and the end of the support column 22 can be set as a screw and positioned by tightening with a nut.

[0054] like Figure 4 and Figure 5 As shown, in one embodiment of the present invention, the top wall of the main housing 1 is provided with a heat dissipation opening 12, and the bottom of the heat dissipation opening 12 is provided with a sealing mechanism 4, which is linked with the telescopic support mechanism 2.

[0055] When the first camera 3 is in the retracted state, the sealing mechanism 4 blocks the heat dissipation opening 12; when the first camera 3 is in the working state, the sealing mechanism 4 opens the heat dissipation opening 12.

[0056] Understandably, the main unit 16 is housed within the main unit housing 1. The main unit 16 controls the start and stop of the camera and can also carry a data processing model. When the main unit 16 is carrying the data processing model, it generates significant heat during operation. Therefore, heat dissipation is necessary for the main unit 16 to ensure the reliability of the detection. Considering the harsh environment at the elevator supervision and inspection site, with abundant dust and grime that can easily seep into the interior, the heat dissipation opening 12 is sealed when the first camera 3 is not in operation. This solution links the sealing mechanism 4 with the telescopic support mechanism 2, allowing the heat dissipation opening 12 to open during detection and close after detection, without requiring additional operation to seal or open the heat dissipation opening 12.

[0057] Preferably, the sealing mechanism 4 includes a baffle 41 and a guide rod 42 and a transmission block 43 fixed to the baffle 41. The baffle 41 has a through hole corresponding to the heat dissipation opening 12. The baffle 41 and the guide rod 42 are slidably engaged with the inner wall of the main housing 1. The guide rod 42 is fitted with a return spring 44. One end of the telescopic support mechanism inserted into the main housing 1 is connected to a drive disk 24. The drive disk 24 is provided with a protrusion 241, which is used to push the transmission block 43.

[0058] When the telescopic support mechanism rotates, the drive disk 24 rotates synchronously, and the protrusion 241 on the drive disk 24 moves closer to or further away from the transmission block 43. When the protrusion 241 moves closer to the transmission block 43 and pushes the transmission block 43, the through hole on the baffle 41 coincides with the heat dissipation opening 12, achieving the effect of opening the heat dissipation opening 12. At this time, the first camera 3 is located above the main housing 1. When the protrusion 241 moves away from the transmission block 43, under the action of the return spring 44, the baffle 41 moves to cover the heat dissipation opening 12, achieving the effect of closing the heat dissipation opening 12. For example, in this solution, the heat dissipation opening 12 and the through hole of the baffle 41 are both rectangular, and multiple heat dissipation openings 12 are arranged in parallel. The guide rod 42 and the transmission block 43 are respectively located at both ends of the baffle 41. The baffle 41, guide rod 42 and transmission block 43 are integrally formed plastic parts or connected by welding. The sealing mechanism structure and the connection structure between the components in this solution are simple, resulting in a low failure rate.

[0059] Furthermore, the inner wall of the main housing 1 is provided with guide grooves 13 and mounting plates 14. The two guide grooves 13 are respectively located on both sides of the heat dissipation opening 12, and the mounting plate 14 is located on the side of the heat dissipation opening 12 away from the telescopic support mechanism 2. The two sides of the baffle 41 are inserted into the guide grooves 13, and the guide rod 42 is slidably engaged with the mounting plate 14. The mounting plate 14 not only supports and guides the guide rod 42, but also limits the sliding of the baffle 41 by adjusting the position of the mounting plate 14.

[0060] The elevator pit not only has a car buffer but also a counterweight buffer; both types of buffers need to be tested. For example... Figure 3 , Figure 6 and Figure 7 As shown, for rapid detection, the elevator pit buffer detection device in one embodiment of this utility model further includes a second camera 5. The main housing 1 is provided with a storage box 6, and the interior of the main housing 1 is divided into a main housing section and a storage section. Both the storage box 6 and the storage compartment 11 are located in the storage section; the second camera 5 is placed inside the storage box 6. By rationally allocating the space within the main housing 1, the detection device structure is made compact. The first camera 3 and the second camera 5 can simultaneously record video of the car buffer and the counterweight buffer, greatly shortening the detection time. Both the first camera 3 and the second camera 5 in this utility model can be CCD industrial cameras.

[0061] It should be noted that the car buffer is located in the middle of the elevator pit, and the counterweight buffer is located on one side of the elevator pit. The first camera 3 is aimed at the car buffer and the second camera 5 is aimed at the counterweight buffer to record video. In actual testing, the second camera 5 can be magnetically attached to the metal partition plate around the counterweight buffer and communicate wirelessly with the host 16.

[0062] Preferably, the storage box 6 includes a side panel 61, a back panel 62, and a push-pull panel 63, wherein the back panel 62 and the push-pull panel 63 are connected by a connecting plate 64.

[0063] The two side plates 61 are fixed to the inner wall of the main unit housing 1, and the push-pull plate 63 is located at the bottom of the main unit housing 1. The two ends of the push-pull plate 63 are inserted into the main unit housing 1 and fixedly connected to the connecting plate 64.

[0064] The side of the connecting plate 64 is connected to an elastic limiting piece 65, and the rear of the side plate 61 is provided with a clearance groove 611. When the second camera 5 is in the storage state, the elastic limiting piece 65 is located in the clearance groove 611, and the elastic limiting piece 65 abuts against the second camera 5.

[0065] The end of the connecting plate 64 or the push-pull plate 63 is slidably engaged with the outer surface of the side plate 61.

[0066] When storing the second camera 5, push the camera into the storage box 6. The camera abuts against the back plate 62, pushing the back plate 62 towards the main housing 1 until the camera is fully inside the storage box 6. At this time, the elastic limiting piece 65 is located in the clearance groove 611 and abuts against the outer wall of the camera, achieving the effect of positioning the camera. When removing the second camera 5, pull the push-pull plate 63 outward. The back plate 62 moves with the push-pull plate 63. As the back plate 62 moves, the camera moves towards the opening of the storage box 6, and the elastic limiting piece 65 is driven by the connecting plate 64 to move from the clearance groove 611 to between the side plate 61 and the connecting plate 64 to release the positioning of the camera, so the camera can be removed. For example, the elastic limiting piece 65 is V-shaped. After being fixed to the connecting plate 64, a part of the elastic limiting piece 65 is approximately parallel to the side plate 61, and the other part is in an inclined state. During the process of the elastic limiting piece 65 being moved by the connecting plate 64, the inclined portion of the elastic limiting piece 65 abuts against the opening of the relief groove 611, forcing the elastic limiting piece 65 to deform and move between the side plate 61 and the connecting plate 64. In one embodiment, the outer side of the side plate 61 is provided with a sliding groove communicating with the relief groove 611. The elastic limiting piece 65 can move into the sliding groove. By adjusting the depth of the sliding groove, the sliding groove can not only accommodate the elastic limiting piece 65, but also guide the connecting plate 64. Preferably, the surface of the elastic limiting piece 65 is provided with an anti-slip rubber layer, thereby reliably positioning the second camera 5. The bottom wall of the second camera 5 is adapted to the opening of the storage box 6 to seal the opening of the storage box 6. In one embodiment, in order to further improve the reliability of the storage of the second camera 5, the bottom of the second camera 5 is connected to the opening of the storage box 6 by a snap-fit. The elastic limiting piece 65 is preferably made of metal. During testing, the testing personnel need to carry the testing device into the elevator pit. During this process, the testing device may shake or vibrate. The elastic limit plate 65 can protect the second camera 5.

[0067] Optionally, in one embodiment of this utility model, the storage box 6 is rectangular, the bottom wall of the second camera 5 can block the opening of the storage box 6, and the bottom of the second camera 5 is connected to a snap-fit ​​plate. The snap-fit ​​plate is detachably connected to the storage box 6 by a snap-fit ​​method, so that the snap-fit ​​plate is connected to a handle, making it convenient to take the second camera 5 out of the storage box 6.

[0068] In one embodiment of this utility model, a screen 7 is provided on the top of the main unit housing 1, an expansion hole 15 is provided on one side of the main unit housing 1, and a threaded hole 51 is provided on the back of the second camera 5. The threaded hole 51 of the second camera 5 is connected to the expansion hole 15 by bolts. The first camera 3, the screen 7, and the second camera 5 are respectively electrically connected to the main unit 16 inside the main unit housing. The electrical connection in this solution is a broad electrical connection, including wired connection and wireless connection. For example, the first camera 3, the screen 7, and the second camera 5 are connected by a data cable or wirelessly via Bluetooth.

[0069] When there is no metal partition plate around the counterweight buffer, the second camera 5 can be installed on the main housing 1 to achieve the positioning of the second camera 5, so as to record video of the car buffer and the counterweight buffer respectively.

[0070] Screen 7 can be used to view videos recorded by the first camera 3 and the second camera 5, and can also be used to adjust the working modes of the first camera 3 and the second camera 5. For example, the side of the second camera 5 is detachably connected to the expansion hole 15 by bolts. When viewing the recorded videos, the main unit 16 generates little heat and can play the recorded videos normally without opening the heat dissipation opening 12.

[0071] The floor of the elevator pit may be uneven, causing the video recording to be tilted, affecting the recording and judgment of buffer compression. Therefore, in one embodiment of this utility model, the bottom of the main unit housing 1 is provided with several adjustable support feet 8, and the upper part of the main unit housing 1 is provided with several spirit levels 9. The placement angle of the main unit housing 1 can be adjusted by adjusting the height of the adjustable support feet 8, and whether the main unit housing 1 is in a horizontal state can be determined by observing the spirit levels 9.

[0072] For example, the adjustable support foot 8 includes a support base and a screw. The bottom end of the screw is fixed to the support base, and the upper part of the screw is threaded to the main housing 1. The length of the screw extending into the main housing 1 can be adjusted by rotating the support base, thereby adjusting the level of the main housing 1 through multiple adjustable support feet 8.

[0073] Other components and operations of the elevator pit buffer detection device according to the present invention are known to those skilled in the art and will not be described in detail here.

[0074] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, features defined with "first" and "second" may explicitly or implicitly include one or more of these features, used to distinguish and describe features, without any order or emphasis.

[0075] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0076] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0077] In this specification, the terms "embodiment," "example," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0078] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A buffer detection device for elevator pits, characterized in that, The device includes a main housing, a telescopic support mechanism, and a first camera. One end of the telescopic support mechanism is rotatably connected to the side wall of the main housing, and the other end of the telescopic support mechanism is provided with a rotating support plate. The first camera is mounted on the support plate. The main unit housing has a storage compartment inside, and the opening of the storage compartment is located on the side wall of the main unit housing. When the first camera is in the storage state, the telescopic support mechanism rotates to be close to the side wall of the main body housing, the first camera is located in the storage compartment, and the support plate blocks the opening of the storage compartment; When the first camera is in operation, the telescopic support mechanism supports the first camera above the main housing.

2. The elevator pit buffer detection device according to claim 1, characterized in that, The telescopic support mechanism includes a support column and a telescopic rod. One end of the support column is rotatably connected to the side wall of the main housing, and one end of the telescopic rod is rotatably connected to the support column and the other end is rotatably connected to the support plate. When the first camera is in the retracted state, the support column and the telescopic rod are respectively close to two adjacent side walls of the main body housing.

3. The elevator pit buffer detection device according to claim 2, characterized in that, A connecting block is provided at one end of the telescopic rod, and a clamping plate is provided on one side of the support plate. The connecting block is located between the two clamping plates, and the connecting block and the clamping plate are connected by a shaft. The other end of the telescopic rod is provided with a connector, which has a connecting groove. The end of the support column is inserted into the connecting groove, and the connecting groove is connected to the end of the support column by a shaft.

4. The elevator pit buffer detection device according to claim 1, 2 or 3, characterized in that, The top wall of the main unit housing is provided with a heat dissipation opening, and the bottom of the heat dissipation opening is provided with a sealing mechanism, which is linked to the telescopic support mechanism. When the first camera is in the retracted state, the sealing mechanism blocks the heat dissipation opening; when the first camera is in the working state, the sealing mechanism opens the heat dissipation opening.

5. The elevator pit buffer detection device according to claim 4, characterized in that, The sealing mechanism includes a baffle, a guide rod and a transmission block fixed to the baffle. The baffle has a through hole corresponding to the heat dissipation opening. The baffle and the guide rod are slidably engaged with the inner wall of the main unit housing. The guide rod is fitted with a return spring. The telescopic support mechanism is inserted into the main housing at one end and connected to a drive disk. The drive disk has a protrusion that is used to push the transmission block.

6. The elevator pit buffer detection device according to claim 5, characterized in that, The inner wall of the main housing is provided with guide grooves and mounting plates. The two guide grooves are respectively located on both sides of the heat dissipation opening, and the mounting plate is located on the side of the heat dissipation opening away from the telescopic support mechanism. The two sides of the baffle are inserted into the guide groove, and the guide rod is slidably engaged with the mounting plate.

7. The elevator pit buffer detection device according to claim 1, 2 or 3, characterized in that, It also includes a second camera. The main unit housing is provided with a storage box. The interior of the main unit housing is divided into a main unit housing section and a storage section. The storage box and the storage compartment are both located in the storage section. The second camera is placed inside the storage box.

8. The elevator pit buffer detection device according to claim 7, characterized in that, The storage box includes a side panel, a back panel, and a sliding panel, and the back panel and the sliding panel are connected by a connecting plate; The two side plates are fixed to the inner wall of the main unit housing, the push-pull plate is located at the bottom of the main unit housing, and both ends of the push-pull plate are inserted into the main unit housing and fixedly connected to the connecting plate; The side of the connecting plate is connected to an elastic limiting piece, and the rear of the side plate is provided with a clearance groove. When the second camera is in the storage state, the elastic limiting piece is located in the clearance groove, and the elastic limiting piece abuts against the second camera. The end of the connecting plate or the push-pull plate slides into contact with the outer surface of the side plate.

9. The elevator pit buffer detection device according to claim 7, characterized in that, The top of the main housing is provided with a screen, and one side of the main housing is provided with an expansion hole. The back of the second camera is provided with a threaded hole, and the threaded hole of the second camera is connected to the expansion hole by a bolt. The first camera, the screen, and the second camera are electrically connected to the host unit within the host unit housing.

10. The elevator pit buffer detection device according to claim 1, 2 or 3, characterized in that, The bottom of the main unit housing is provided with several adjustable support feet, and the upper part of the main unit housing is provided with several spirit levels.

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