Side blocking type car arrester with safety detection function

Abstract

The utility model relates to the field of car stoppers, in particular to a side blocking type car stopper with safety detection, which comprises a rotating shaft and a mounting part, the rotating shaft is provided with a blocking arm and a safety detection device, the mounting part is used for mounting the rotating shaft on the inner wall of a cage, the safety detection device is used for detecting whether a mine car is fixed by the blocking arm, and the rotating shaft is rotatably connected with the mounting part. The elevator has the advantages that the rotating shaft is installed on the inner wall of the cage through the installation piece, whether the blocking arm on the rotating shaft rotates to be horizontal or not is detected through the safety detection device to fix the mine car, and when the safety detection device fails to detect that the mine car is fixed through the blocking arm, the elevator cannot drive the cage to move up and down; and the phenomenon that a mine car slides is effectively reduced by detecting a switch of the side blocking type car arrester.

Description

Technical Field

[0001] The present application relates to the field of car stoppers, and particularly to a side-block car stopper with safety detection. Background Art

[0002] Currently, during the mining and transportation process in mines, as the main underground transportation carrier, mine cars are often installed with head gates, vertical cages, and hoisting machines for lifting the cages in the mine. During the hoisting process of transporting the mine cars out of the mine, the mine cars are pushed into the cage located in the head gate, and the hoisting machine drives the cage to move up and down. In order to fix the mine cars in the cage so that they do not slide out of the cage, side-block car stoppers or floor-block car stoppers are needed in the cage to fix the mine cars in the cage. The side-block car stopper blocks the mine car by rotating the blocking arm to the horizontal position through a rotating shaft.

[0003] In view of the above related technologies, after the operator pushes the mine car into the cage, it may happen that they forget to open the car stopper to fix the mine car, or the car stopper fails to fix the mine car properly. Moreover, since the cage moves up and down, it is difficult for the existing car stoppers to perform safety detection on the switch positions of the car stoppers, ultimately resulting in frequent incidents of mine cars sliding out of the cage. Utility Model Content

[0004] In order to detect the switch position of the side-block car stopper to reduce the occurrence of mine car sliding, the present application provides a side-block car stopper with safety detection.

[0005] The present application provides a side-block car stopper with safety detection, adopting the following technical solutions:

[0006] A side-block car stopper with safety detection includes a rotating shaft and a mounting member. The rotating shaft is provided with a blocking arm, and the mounting member is used to mount the rotating shaft on the inner wall of the cage. It is characterized in that: the rotating shaft is provided with a safety detection device for detecting whether the blocking arm fixes the mine car, and the rotating shaft is rotatably connected to the mounting member.

[0007] By adopting the above technical solutions, the rotating shaft is mounted on the inner wall of the cage using the mounting member, and the safety detection device is used to detect whether the blocking arm on the rotating shaft rotates to the horizontal position to fix the mine car. When the safety detection device fails to detect that the blocking arm has completed fixing the mine car, the hoisting machine will not be able to drive the cage to move up and down, effectively reducing the occurrence of mine car sliding by detecting the switch of the side-block car stopper.

[0008] Optionally, the safety detection device includes a detection rod and a proximity switch. The detection rod is provided on the side of the rotating shaft away from the blocking arm, and the proximity switch is provided on the side of the head gate close to the cage. When the blocking arm fixes the mine car in place, the detection rod triggers the proximity switch.

[0009] By adopting the above technical solution, the proximity switch is installed at the horsehead portal, and the detection contact of the proximity switch points to the inner side of the horsehead portal. When the blocking arm rotates to the horizontal position and the detection rod is horizontal, it approaches the detection contact of the proximity switch. While realizing the safety monitoring device's detection of whether the blocking arm rotates in place, it effectively simplifies the installation difficulty of the safety detection device.

[0010] Optionally, the proximity switch is a proximity switch for detecting metal, and a trigger for triggering the proximity switch is provided at one end of the detection rod away from the rotating shaft.

[0011] By adopting the above technical solution, since the usage environment of the car stopper is relatively harsh, using a proximity switch for detecting metal can effectively reduce the false triggering of the proximity switch caused by dust and impurities, and thus effectively improve the stability of the safety detection device.

[0012] Optionally, the detection rod and the proximity switch are in the same plane.

[0013] By adopting the above technical solution, since the proximity switch is horizontally arranged, it can effectively reduce the installation difficulty of the proximity switch and also effectively reduce the installation difficulty between the detection rod and the rotating shaft.

[0014] Optionally, there is an included angle between the axis of the detection rod and the axis of the blocking arm.

[0015] By adopting the above technical solution, when it is not convenient to install the detection rod in the same plane, the setting of the detection rod is applicable, and it effectively makes the car stopper applicable to a variety of usage conditions.

[0016] Optionally, the detection rod includes a connecting portion and a detection portion. One end of the connecting portion is connected to the detection portion, the other end of the connecting portion is connected to the rotating shaft, the detection portion is parallel to the blocking arm, the detection portion is located above the blocking arm, and the included angle between the axis of the connecting portion and the axis of the blocking arm is an obtuse angle.

[0017] By adopting the above technical solution, since there are a connecting portion and a detection portion, the detection portion and the rotating shaft are connected through the connecting portion. Since there is an obtuse angle between the axis of the connecting portion and the axis of the blocking arm, the space required for the detection rod to rotate is smaller when the detection rod rotates, and there is no need to open a through groove on the cage to avoid interference, effectively reducing the required moving space when the car stopper is used.

[0018] Optionally, a first shaft sleeve is provided at the connection between the rotating shaft and the mounting member, and the first shaft sleeve is fixedly connected to the mounting member.

[0019] By adopting the above technical solution, a first shaft sleeve is installed between the rotating shaft and the mounting member, so that when the rotating shaft rotates, the rotation connection is realized through the first shaft sleeve and the mounting member, effectively reducing the friction between the rotating shaft and the mounting rotating shaft.

[0020] Optionally, the rotating shaft is provided with a second bushing, which is fixedly connected to the rotating shaft. The second bushing abuts against the first bushing. One side of the first bushing that abuts against the second bushing is provided with an inclined groove, and one side of the second bushing that abuts against the first bushing is provided with a clamping block adapted to the inclined groove. When the retaining arm fixes the mine car, the clamping block abuts against the bottom of the inclined groove.

[0021] By adopting the above technical solution, as the rotating shaft rotates, the second bushing and the first bushing remain in contact with each other. When the rotating shaft rotates, the clamping block slides in the inclined groove. When the retaining arm rotates to the horizontal position, the clamping block abuts against the bottom of the inclined groove. The abutting relationship between the clamping block and the inclined groove prevents the rotating shaft from continuing to rotate after turning to the horizontal position, effectively limiting the rotation range of the rotating shaft.

[0022] Optionally, the retaining arm is provided with a fixing ring, which is arranged on the side of the retaining arm away from the rotating shaft.

[0023] By adopting the above technical solution, when it is necessary to push the mine car into or out of the cage, the retaining arm is rotated and lifted, and the fixing ring installed on the retaining arm is sleeved on the hook on the inner wall of the cage, thereby fixing the retaining arm on the inner wall of the cage, which is convenient for the operator to push the mine car into and out of the cage.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The rotating shaft is installed on the inner wall of the cage using the mounting member. The safety detection device detects whether the retaining arm on the rotating shaft rotates to the horizontal position to fix the mine car. When the safety detection device fails to detect that the retaining arm has completed the fixation of the mine car, the hoist will not be able to drive the cage to move up and down, effectively reducing the occurrence of the mine car slipping phenomenon by detecting the switch of the side-blocking car arrester.

[0026] 2. When the detection rod approaches the proximity switch, the proximity switch is triggered. At this time, the operator can start the hoist that controls the up and down movement of the cage. If the proximity switch fails to be triggered, the hoist cannot be started, realizing the detection function of the installed detection device and controlling the hoist not to start. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is an overall structural schematic diagram of a side-blocking car arrester with safety detection.

[0028] Figure 2 is an installation schematic diagram of the overall structure.

[0029] Figure 3 is a side view of the overall structure.

[0030] Figure 4 is a side view of the overall structure from another perspective.

[0031] Explanation of the reference numerals: 101, cage; 102, horse head door; 1, rotating shaft; 11, stop arm; 111, fixing ring; 12, second sleeve; 121, block; 13, detection rod; 131, trigger member; 132, connecting part; 133, detection part; 2, mounting member; 21, first sleeve; 211, inclined groove; 3, proximity switch. DETAILED DESCRIPTION

[0032] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0033] The embodiment of the present application discloses a side-blocking vehicle arrester with safety detection.

[0034] Embodiment 1:

[0035] Reference Figure 1 and Figure 2 A side-blocking car blocker with safety detection includes a rotating shaft 1 and a mounting member 2. The rotating shaft 1 is mounted on the inner wall of a cage 101 through the mounting member 2 so that the rotating shaft 1 can rotate. A blocking arm 11 is mounted on the rotating shaft 1, and a safety detection device is mounted on the rotating shaft 1. When the blocking arm 11 is rotated to a horizontal position to fix the mine car in the cage 101, the safety detection device detects that the blocking arm 11 has completed blocking the mine car. Only then will the operator's operation on the hoist take effect.

[0036] Reference Figure 2 The safety detection device includes a proximity switch 3 and a detection rod 13. The detection rod 13 is installed on the side of the rotating shaft 1 away from the barrier arm 11. In this embodiment, the detection rod 13 and the barrier arm 11 are located in the same plane. An avoidance groove is opened on the wall of the tank cage 101 to avoid mutual interference between the wall of the tank cage 101 and the detection rod 13. When the rotating shaft 1 rotates, the detection rod 13 also rotates. When the side-blocking car blocker is in the open position, that is, when the barrier arm 11 is in a horizontal position, the detection rod 13 remains in a horizontal state. At this time, the end of the detection rod 13 can trigger the proximity switch 3, so that the proximity switch 3 detects that an object is approaching, so that the operator can operate the hoist of the tank cage 101.

[0037] Reference Figure 2 In order to facilitate the installation of the proximity switch 3 and the placement and installation of the related wires, the proximity switch 3 is installed on the horse head door 102. In this embodiment, a channel steel is welded between the beams of the horse head door 102, and a hole for installing the proximity switch 3 is opened on the channel steel. The proximity switch 3 is passed from the outside of the channel steel into the channel steel, and the detection contact of the proximity switch 3 is facing the cage 101. In this way, when the blocking arm 11 turns to the horizontal, the detection rod 13 also triggers the proximity switch 3. In this way, when the proximity switch 3 can be triggered normally, it can not only detect whether the side block car blocker is switched, but also indicate that the tank is in the position in the horse head door 102 where the mine car can be pushed out and pushed in.

[0038] Refer to Figure 1 and Figure 2 , in this embodiment, a proximity switch 3 for detecting metal is preferably used, and a trigger 131 is installed at one end of the detection rod 13 away from the rotating shaft 1. The reason for preferably using the proximity switch 3 for detecting metal in this embodiment is as follows. Since there is a lot of dust and impurities in the mine, the environment in which the car stopper described in this article is used is relatively harsh. If other types of proximity switches 3 are selected, it may cause mis-touch due to dust contamination at the contact of the proximity switch 3, which may cause the device to fail. Therefore, when other types of proximity switches 3 are selected, the contacts need to be cleaned in time to avoid mis-touch. The trigger 131 installed at the end of the rotating shaft 1 is preferably a permanent magnet, and metal materials such as copper and iron can also be used as the trigger 131.

[0039] Refer to Figure 2 , in this embodiment, two retaining arms 11 are installed. The two retaining arms 11 are arranged in parallel and the retaining arms 11 are located on the same side of the rotating shaft 1. After the mine car is pushed into the cage 101, the rotating shaft 1 is rotated to lower the retaining arms 11, and the mine car is blocked between the retaining arms 11 on both sides. Compared with a single retaining arm 11, the retaining arms 11 on both sides can block the mine car from both sides at the same time, reducing the shaking of the mine car during the operation of the cage 101.

[0040] Refer to Figure 2 , in order to improve the installation stability, in this embodiment, the rotating shaft 1 is installed on the inner wall of the cage 101 through two mounting members 2. In order to facilitate the rotation of the rotating shaft 1, a first bushing 21 is installed between the two mounting members 2 and the rotating shaft 1. When the rotating shaft 1 rotates, it rotates within the bushing, and the friction with the bushing is used to reduce the wear of the rotating shaft 1, thereby achieving the purpose of extending the service life of the rotating shaft 1.

[0041] Refer to Figure 1 and Figure 2 , a second bushing 12 is installed on one side of the first bushing 21, and the second bushing 12 is fixedly connected to the rotating shaft 1. An inclined groove 211 is opened on one side of the first bushing 21 close to the second bushing 12, and a block 121 adapted to the inclined groove 211 is installed on the second bushing 12. When the rotating shaft 1 is rotated, the first bushing 21 and the second bushing 12 always remain in contact, and the block 121 moves along the inclined groove 211. When the retaining arm 11 rotates to the horizontal position, the block 121 abuts against the bottom of the inclined groove 211 at this time. The rotation of the rotating shaft 1 is restricted by the abutting relationship between the block 121 and the bottom of the groove, so that the rotating shaft 1 cannot continue to rotate downward, making the retaining arm 11 always rotate between 90 degrees of the vertical state and the horizontal state.

[0042] Refer to Figure 2, in order to facilitate the operator to push the mine car into and out of the cage 101, a fixing ring 111 is installed on the retaining arm 11, and a hook is installed on the inner wall of the cage 101. The operator rotates and lifts the retaining arm 11, and sets the fixing ring 111 installed on the retaining arm 11 on the hook on the inner wall of the cage 101, thereby fixing the retaining arm 11 on the inner wall of the cage 101, which is convenient for the operator to push the mine car into and out of the cage 101.

[0043] Embodiment 2:

[0044] Referring to Figure 3 , in this embodiment, there is an included angle between the axis of the detection rod 13 and the axis of the retaining arm 11. In this embodiment, it is preferably that when the retaining arm 11 is turned to the horizontal position, the end of the detection rod 13 far from the rotating shaft 1 is in an inclined upward state, because when the detection rod 13 is set in this way, the avoidance groove can be opened on the wall of the cage 101 as little as possible to ensure the overall strength of the cage 101. In order to achieve the installation and detection effect, the proximity switch 3 is also inclined correspondingly to ensure that the detection rod 13 can normally trigger the proximity switch 3 when the retaining arm 11 is horizontal. The installation method in this embodiment makes the car arrester described in this article applicable to the scenario where it is inconvenient to install the detection rod 13 and the retaining arm 11 on the same plane.

[0045] Embodiment 3:

[0046] Referring to Figure 4 , the detection rod 13 includes a connecting portion 132 and a detection portion 133, and the connecting portion 132 is used to connect the rotating shaft 1 and the detection portion 133. In order to avoid interference between the detection rod 13 and the wall of the cage 101 when the rotating shaft 1 rotates, an avoidance groove with an opening is opened on the outer wall of the cage 101. When the rotating shaft 1 rotates, the connecting portion 132 of the detection rod 13 rotates in the avoidance groove. When the side-blocking car arrester is in the open position, that is, when the retaining arm 11 is in the horizontal position, the detection portion 133 of the detection rod 13 remains in a horizontal state. At this time, the end of the connecting rod can trigger the proximity switch 3, so that the proximity switch 3 detects that an object is approaching, and then the operator can operate the hoist of the cage 101.

[0047] Referring to Figure 4 , setting the detection rod 13 in this way can not only reduce the size and number of grooves opened on the wall of the cage 101 to ensure the overall strength of the cage 101, but also make the proximity switch 3 horizontally set to reduce the installation difficulty of the proximity switch 3.

[0048] The implementation principle of the side-blocking car arrester with safety detection in the embodiment of the present application is: the detection rod 13 installed on the rotating shaft 1 and the proximity switch 3 installed on the shaft bottom 102 are used to detect whether the retaining arm 11 rotates in place. If the retaining arm 11 does not rotate in place, that is, when the side-blocking car arrester is in the open state, the hoist for lifting the cage 101 starts, realizing the safety detection of the side-blocking car arrester.

[0049] The above are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A side-blocking vehicle stopper with safety detection, comprising a rotating shaft (1) and a mounting member (2). The rotating shaft (1) is provided with a blocking arm (11), and the mounting member (2) is used to mount the rotating shaft (1) on the inner wall of the cage (101), and is characterized in that: The rotating shaft (1) is provided with a safety detection device for detecting whether the retaining arm (11) fixes the mine car. The rotating shaft (1) is rotatably connected to the mounting member (2).

2. The side-blocking vehicle stopper with safety detection according to claim 1, wherein: The safety detection device includes a detection rod (13) and a proximity switch (3). When the retaining arm (11) fixes the mine car in place, the detection rod (13) triggers the proximity switch (3). The detection rod (13) is arranged on the side of the rotating shaft (1) away from the retaining arm (11), and the proximity switch (3) is arranged on the side of the headgate (102) close to the cage (101).

3. The side-blocking vehicle stopper with safety detection according to claim 2, characterized in that: The proximity switch (3) is a proximity switch for detecting metal. A trigger member (131) for triggering the proximity switch (3) is arranged at one end of the detection rod (13) away from the rotating shaft (1).

4. The side-blocking vehicle stopper with safety detection according to claim 2, characterized in that: The detection rod (13) and the proximity switch (3) are in the same plane.

5. The side-blocking vehicle stopper with safety detection according to claim 2, wherein: There is an included angle between the axis of the detection rod (13) and the axis of the retaining arm (11).

6. The side-blocking vehicle stopper with safety detection according to claim 2, characterized in that: The detection rod (13) includes a connecting portion (132) and a detection portion (133). One end of the connecting portion (132) is connected to the detection portion (133), and the other end of the connecting portion (132) is connected to the rotating shaft (1). The detection portion (133) is parallel to the retaining arm (11), and the detection portion (133) is located above the retaining arm (11). The included angle between the axis of the connecting portion (132) and the axis of the retaining arm (11) is an obtuse angle.

7. A side-blocking vehicle stopper with safety detection according to claim 1, characterized in that: A first bushing (21) is arranged at the connection between the rotating shaft (1) and the mounting member (2), and the first bushing (21) is fixedly connected to the mounting member (2).

8. The side-blocking vehicle stopper with safety detection according to claim 6, characterized in that: The rotating shaft (1) is provided with a second bushing (12). The second bushing (12) is fixedly connected to the rotating shaft (1). The second bushing (12) abuts against the first bushing (21). A slotted groove (211) is formed on the side of the first bushing (21) where it abuts against the second bushing (12). A clamping block (121) adapted to the slotted groove (211) is arranged on the side of the second bushing (12) where it abuts against the first bushing (21). When the retaining arm (11) fixes the mine car, the clamping block (121) abuts against the bottom of the slotted groove (211).

9. The side-blocking vehicle stopper with safety detection according to claim 1, characterized in that: The retaining arm (11) is provided with a fixing ring (111), and the fixing ring (111) is arranged on the side of the retaining arm (11) away from the rotating shaft (1).

Images