Mining monorail crane car arrester

Abstract

The utility model discloses a monorail crane car arrester for mining. The monorail crane car arrester comprises a bracket, the catch claw shaft is matched with a first end fixing seat and a second end fixing seat; one end of the retaining claw is sleeved on the retaining claw shaft, and the retaining claw is provided with a second hinge shaft with a second length and a freedom degree of axial movement of the retaining claw shaft and a freedom degree of swinging around the axis of the retaining claw shaft; the buffer component is sleeved on the catch claw shaft and correspondingly supported between the catch claw and the first end fixing seat and / or supported between the catch claw and the second end fixing seat; and the driving device is used for enabling the blocking claw to shift between the blocking position and the opening position. The monorail crane car arrester based on the utility model is relatively good in reliability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mine single -rail hoist car stopper. BACKGROUND

[0002] Single -rail hoist (commonly known as single -rail hoist) is the important auxiliary transport equipment in coal mine, has the relatively extensive application in the mine such as coal mine. Single -rail hoist is divided according to traction mode, and there are two major categories of steel wire rope traction and locomotive traction, according to the conception of the utility model, both kinds of single -rail hoists can be applied, and relatively more applicable to locomotive traction single -rail hoist. Single -rail hoist transport line is connected in turn by multiple fixed length tracks, for example, traction locomotive often has a brake device, but still needs to set up car stopper on the track of single -rail hoist.

[0003] The mine single -rail hoist system is usually provided with car stopper at the start point, end point, turnout, air door and other key positions of track, and is correspondingly called terminal car stopper, turnout car stopper, air door car stopper and the like. Single -rail hoist locomotive reaches the above-mentioned position, even if no timely brake, also will not occur off track accident, or collides with the air door that is being opened and other safety accidents.

[0004] Among them, the aforementioned terminal car stopper is the car stopper arranged at the start point and end point of track, and the terminal car stopper is usually fixed type car stopper, and this kind of car stopper is often fixed on the track using bolt, simple and reliable, but since it is fixed type car stopper, cannot open or close at any time according to the running state of single -rail hoist, apparently, the car stopper cannot be applicable to the car stopping of single -rail hoist at turnout or air door, and the single -rail hoist car stopper applicable to turnout or air door needs to have the function of opening, so as to ensure that single -rail hoist can pass through when not needing to stop the car.

[0005] A kind of with opening and closing function's car stopper can be found in Chinese patent document CN111776005A, the patent document discloses a single-track crane pneumatic rail-holding type car stopper, the car stopper includes main support and the first jaw structure and the second jaw structure symmetrically arranged on main support, wherein, first jaw structure includes the first cylinder arranged in the left side of main support, the piston rod of first cylinder is connected with first jaw assembly, the first jaw of first jaw assembly is installed on main support by rotating shaft, so as to have swing ability, and the piston of first cylinder can drive first jaw assembly swing.Swing corresponds to a range of angles, so that the first jaw is closed state and open state corresponding to the two stop points of the range of angles of first jaw.The claw head of first jaw is buckled on the flange plate of I-beam track of single-track crane in closed state, and the rolling wheel of single-track crane is blocked, so as to avoid single-track crane derailment.Second jaw structure is the same as first jaw structure, and is symmetric about the left and right middle surface of I-beam track with first jaw structure, so that the two jaw structures can be clamped on the flange of I-beam track from left and right sides, which is equivalent to a baffle as a whole.Based on the control of first cylinder and second cylinder to the two jaws, the blocking or release of single-track crane is realized.

[0006] It should be known that based on the foregoing description, when single-track crane occurs, for example, derailment accident, there is certainly a certain speed and inertia, although the blocking of car stopper to single-track crane is mainly the blocking of single-track crane rolling wheel, there will still be a relatively large impact force on car stopper.The direction of the impact force is mainly along the track direction, which is perpendicular to the opening and closing direction of jaw, and also perpendicular to the push rod of cylinder driving jaw to open and close.It should be further known that in the mechanical field, the axial load capacity of components such as cylinder capable of outputting linear motion is very strong, but the radial load capacity is very weak, and the foregoing impact force is exactly the radial force of cylinder driving jaw, which is very easy to cause damage to cylinder piston or cylinder head and its sealing element. Practical new type content

[0007] The utility model aims at providing a mine single-track crane car stopper with relatively good reliability.

[0008] According to the utility model embodiment, a mine single-track crane car stopper is provided, which comprises:

[0009] The support is fixedly arranged on the track of single-track crane system and / or the wall of roadway;

[0010] The blocking claw shaft is installed on the support in a fixed manner at both ends, and is correspondingly matched with a first end fixed seat and a second end fixed seat, and the blocking claw shaft is located on the upper side of the track and parallel to the track;

[0011] The pawl is sleeved on one end of the pawl shaft and has the freedom of axial movement and the freedom of rotation around the axis of the pawl shaft; a second hinge shaft is arranged on one side of the end of the pawl sleeved on the pawl shaft and is parallel to the pawl shaft and has a second length;

[0012] The buffering component is sleeved on the pawl shaft and has one or two pieces corresponding to the pawl shaft and is supported between the pawl and the first end fixing seat and / or supported between the pawl and the second end fixing seat; and

[0013] The driving device outputs linear motion and one end of the output member is sleeved on the second hinge shaft to form a second movement pair with the second hinge shaft so that the pawl is displaced between the blocking position and the opening position.

[0014] Optionally, the driving device is a pneumatic cylinder, a hydraulic cylinder or an electric push rod;

[0015] The cylinder body of the pneumatic cylinder or the hydraulic cylinder or the body of the electric push rod is mounted on the support through the first hinge shaft and the extended end of the corresponding push rod has a sliding sleeve sleeved on the second hinge shaft.

[0016] Optionally, the push rod has a two-segment structure.

[0017] Correspondingly, one of the two segments has a screw segment and the other segment has a screw sleeve segment matched with the screw segment for adjusting the length of the push rod.

[0018] A locking nut matched with the screw segment is further provided to lock the screw sleeve after the length of the push rod is adjusted.

[0019] Optionally, the end of the pawl sleeved on the pawl shaft extends outward to form a power arm.

[0020] Correspondingly, the second hinge shaft is mounted on the power arm.

[0021] Optionally, the pawl has a pair of pawls arranged symmetrically about the left-right middle plane of the track.

[0022] Correspondingly, the pawl shaft has a pair of pawl shafts arranged symmetrically about the left-right middle plane of the track.

[0023] The end of the pawl sleeved on the corresponding pawl shaft is provided with a gear or has a sector gear part, and the corresponding two gears or sector gears have the same modulus and the same pitch diameter and are engaged with each other.

[0024] Correspondingly, the driving device is one piece and the output is directly connected to one pawl.

[0025] Optionally, the two pawls are shared by a frame, and the shared frame forms a sliding seat with the two pawl shafts as guide rods.

[0026] Optionally, if the bracket is connected with the track, the bracket is connected with the upper flange of the track, and the main body of the bracket is located above the upper flange of the track;

[0027] If the bracket is connected with the roadway wall, the bracket is directly installed on the roadway top wall by using the anchor bolt or is installed on the roadway top wall by using the beam body;

[0028] The beam body is fixed on the roadway top wall by using the anchor bolt, and the beam body and the bracket are welded or connected by using the bolt.

[0029] Optionally, if the bracket is installed on the track, a mounting plate is provided, which is welded on the upper flange of the track, and the bottom of the bracket is provided with a fixing plate for fixed connection with the mounting plate;

[0030] The bracket has a front stand and a rear stand for forming the front and rear spans, and a bracket body connecting the front stand and the rear stand at the upper end;

[0031] One end of the pawl shaft is fixed on the front stand, and the other end is fixed on the rear stand.

[0032] Optionally, the buffer stroke of the buffer component is not greater than 15 cm and not less than 3 cm.

[0033] Optionally, the buffer component is a cylindrical spring or a cylindrical rubber sleeve;

[0034] If the buffer component has only one piece corresponding to a pawl shaft, the buffer component is arranged on the pawl and a first end fixing seat, and the installation position of the first end fixing seat is lower than that of a second end fixing seat;

[0035] The second end fixing seat or the pawl on the side opposite to the second end fixing seat is provided with a buffer pad.

[0036] The utility model discloses a mine monorail crane vehicle stopper, the pawl is installed on the pawl axle of fixed setting, because the installation is with the way of suit installation, and the freedom of the pawl axle axial is reserved, and the freedom of swing around the pawl axle axis is simultaneously had. The pawl axle is parallel with the track of the monorail crane vehicle, when the monorail crane vehicle collides to the pawl, will push the pawl and move in the axial direction of pawl axle. Correspondingly, the pawl axle adopts the way of two end support and is installed on the support of the mine monorail crane vehicle stopper, and constitutes the guide rod of the pawl in the track direction. Further, the buffer part is arranged between the pawl and the corresponding pawl axle fixed seat on one side or both sides of the pawl, when the pawl is impacted and moves in the axial direction of pawl axle, forms the flexible gradually increasing counterforce, instead of rigid impact, effectively protects the pawl and the structure between the pawl and the pawl axle. Meanwhile, the driving device for driving the pawl also adopts the freedom of retaining the track direction, specifically is that the driving device adopts the driving device that can output linear motion, and one end of the corresponding output member is suitably installed on the second hinge axle on the pawl, and forms the second movement pair between the second hinge axle, thereby constituting the rotating pair and the movement pair simultaneously as a whole, can reduce the damage of the driving device to the driving device after the monorail crane vehicle impact to the pawl. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is the main view structural schematic diagram (blocking state) of the mine monorail crane vehicle stopper in an embodiment.

[0038] Figure 2 It is the plan view structural schematic diagram (blocking state) of the mine monorrail crane vehicle stopper in an embodiment.

[0039] Figure 3 It is the left view structural schematic diagram (blocking state) of the mine monorail crane vehicle stopper in an embodiment.

[0040] Figure 4 It is the main view structural schematic diagram (blocking state) of the mine monorail crane vehicle stopper in an embodiment.

[0041] Figure 5 It is the main view structural schematic diagram (opening state) of the mine monorail crane vehicle stopper in an embodiment.

[0042] Figure 6 It is the three-dimensional structural schematic diagram (blocking state) of the mine monorail crane vehicle stopper in the first embodiment.

[0043] Figure 7 It is the three-dimensional structural schematic diagram (blocking state) of the mine monorail crane vehicle stopper in the second embodiment.

[0044] In the figure: 1. first hinge shaft, 2. air cylinder, 3. hinge support, 4. bracket, 5. seat plate, 6. hexagonal head screw, 7. hexagonal head screw, 8. washer, 9. mounting plate, 10. right pawl, 11. right pawl shaft, 12. track, 13. left pawl shaft, 14. left pawl, 15. second hinge shaft, 16. push rod, 17. cotter pin, 18. left gear, 19. left compression spring, 20. slide, 21. first limit plate, 22. right compression spring, 23. right gear, 24. second limit plate, 25. power arm, 26. fixed plate, 27. I-beam, 28. U-shaped fixing bolt. DETAILED DESCRIPTION

[0045] It should be known that in the field of vehicle technology, and in the field of mine single-track hoist technology, there are certain front-rear direction and left-right direction. The direction along the track 12 is the front-rear direction, and after the front-rear direction is determined, the left-right direction is determined.

[0046] It should also be known that the left-right direction is also called the transverse direction, the width direction, etc., and the front-rear direction is also called the head-tail direction, the longitudinal direction, the length direction, etc.

[0047] After the front-rear and left-right directions are determined, the height direction is also determined. It should be known that the track 12 on which the single-track hoist vehicle runs is often fixed on the top of the roadway, and the single-track hoist vehicle runs on the track 12 in a hanging manner. The rolling wheel of the single-track hoist vehicle is usually taken as the track surface on the upper surface of the lower flange of the I-beam track, and in some implementations, the track surface can also include the side surface of the web of the I-beam track.

[0048] The part of the prior art improved in the embodiments of the present utility model is mainly aimed at the problem that the pawl and its associated structure or configuration are easily damaged or rapidly fail due to, for example, impact of the vehicle, and therefore, in the embodiments of the present utility model, this is mainly described, and for other parts, the prior art can be followed. For example, the shape of the pawl and the swinging movement form, which belong to general common sense in the field, are only simply described in the embodiments of the present utility model, and the same applies to other parts.

[0049] Referring to Figures 1-7 The example mine single-track hoist vehicle stopper includes a bracket 4, a left pawl 14, a right pawl 10, and an air cylinder 2 for driving the left pawl 14 and the right pawl 10 to change position. Among them, the bracket 4 is directly installed on the track 12, and the air cylinder 2 is directly installed on the bracket 4. Figure 1 In the example structure, it is directly installed on the track 12, and the air cylinder 2 is directly installed on the bracket 4. Figure 7 In the example structure, it is fixed on the I-beam 27, and the I-beam 27 is installed on the top of the roadway through, for example, anchor bolts.

[0050] The support 4 can be connected to both the track 12 and the tunnel wall, but a fixed connection between the support 4 and the track 12 is preferred. This is because the tunnel wall may deform due to ground pressure, causing changes in the position of the support 4. Although the orientation of the track 12 will also change due to tunnel wall deformation, if the mine monorail car stopper can maintain the same orientation as the track 12, it can ensure that the mine monorail car stopper is in a navigable condition and has a relatively longer service life.

[0051] exist Figure 2 As can be seen from the illustrated structure, the main structure of bracket 4 is a rectangular frame structure, which is mainly used to leave room for the movement of the pawl. This movement space includes lateral space and longitudinal space. The lateral space mainly considers, for example, the installation space of cylinder 2, the installation space of cylinder 2 push rod 16, and the movement space of the pawl. The design basis is clear and will not be elaborated here.

[0052] exist Figure 2 It can also be seen that, in order to make the overall structure relatively compact, the bracket 4 has a protrusion at the position of the cylinder 2 corresponding to the axial direction of the cylinder 2. Under the condition of ensuring the installation of the cylinder 2 and other driving devices, the space occupied by the whole can be reduced.

[0053] Other examples Figure 1 , 3 As can be seen from ~7, bracket 4 in the figure also has a certain height to meet the adaptability of the movement space of the pawl in the height direction. The design basis of this height is also clear and will not be repeated here.

[0054] Regarding the working space, it is obvious that considerations for assembly and motion interference should be met. Those skilled in the art can easily set it based on, for example, the size and motion of the pawl, and will not elaborate further here.

[0055] exist Figure 7 In the illustrated structure, the bracket 4 is fixed to the I-beam 27, which is fixed to the tunnel wall. Generally, anchor bolts or other embedded parts are used to fix the I-beam 27 to the tunnel wall.

[0056] In addition, Figure 7 In the illustrated structure, bracket 4 is fixed with U-shaped fixing bolts 28.

[0057] As described above, the main body of bracket 4 is a rectangular frame, with a vertical plate assembly on each of the front and rear sides of the rectangular frame. The vertical plate assembly is used to fix the claw shaft. The vertical plate assembly includes a vertical plate body and reinforcing ribs welded to the vertical plate body. An independent claw shaft seat can also be set at the position where the claw shaft is fixed.

[0058] exist Figure 1 and Figure 6In the exemplified structure, the lower end of the vertical plate body is provided with a fixing plate 26, the fixing plate 26 is a horizontal plate, and the fixing plate 26 is welded at the lower end of the vertical plate body, or the vertical plate body and the fixing plate 26 can be formed by bending a whole plate.

[0059] The upper end of the vertical plate is provided with a seat plate 5, the seat plate 5 is also a horizontal plate, and the seat plate 5 can be welded at the upper end of the vertical plate body or can be formed by bending.

[0060] The seat plate 5 and the main body part of the bracket 4, i.e., the rectangular frame, are fixedly connected by screw connection or welding.

[0061] The fixing plate 26 is fixedly connected with the mounting plate 9 fixed to the flange plate of the track 12, wherein the mounting plate 9 is mainly welded with the upper flange plate of the track 12, and the fixing plate 26 is mainly fixedly connected with the mounting plate 9 by bolt connection.

[0062] According to the concept of the utility model, the blocking claw shaft is fixed at both ends on the bracket, and the corresponding fixing mode is mainly screw connection, specifically, both ends of the blocking claw shaft are provided with screw heads, the vertical plate body is provided with mounting holes, and the screw heads are locked by nuts after penetrating the mounting holes.

[0063] In some embodiments, the blocking claw shaft can also be fixed on the vertical plate body by welding.

[0064] The main body of the blocking claw shaft is a light pole, thereby constituting the blocking claw shaft body and a guide rod.

[0065] It should be understood that the car stopper is different from the car protection device, and the car stopper faces the monorail crane vehicle which is stopped or gradually decelerated and approaches to stop, in other words, the impact on the car stopper itself is not large, therefore, the length of the blocking claw shaft does not have to be too long, or the guide length provided by the blocking claw shaft does not have to be too long, the length of the shaft segment for guiding of the blocking claw shaft is 15cm-65cm, and 46cm is preferred. Figure 6 As shown in the exemplified structure, the compression springs used as the buffer components are two, i.e., the left compression spring 19 and the right compression spring 22 shown in the figure, so that the length of the shaft segment for guiding corresponding to each compression spring is not greater than 15cm.

[0066] Meanwhile, the buffer length provided by the buffer component also cannot be too small, and generally cannot be less than 3cm, and not less than 9cm is preferred.

[0067] The blocking claw shaft is in the Figure 6In the example structure, the left and right vertical plate bodies of the bracket 4 are directly used as the mounting base, and the vertical plate body simultaneously forms a support member for one end of the left compression spring 19. The other end of the left compression spring 19 can be directly supported by the left pawl 14 or indirectly supported by the slide 20 shown in the right view, i.e., indirectly supported by the left pawl 14.

[0068] The pawl shaft is obviously located on the upper side of the track 12 and is parallel to the track 12. In the description of parallel to the track 12, it is known that the track is taken as the reference direction in the extension direction, and the so-called parallel to the track is parallel in the reference direction.

[0069] Regarding the pawl, in the preferred embodiment with a pair of pawls, the two corresponding pawls are symmetric about the left-right middle plane of the track 12.

[0070] Regarding the pawl itself, as described above, the present application does not improve the structure of the pawl itself, and the basic assembly mode in the embodiment of the present application also adopts the existing assembly mode, i.e., one end of the pawl is sleeved on the pawl shaft, and the pawl has the freedom of swinging around the pawl shaft. This is the known assembly mode of the pawl. However, in the embodiment of the present application, the pawl shaft is configured in the form of a fixed shaft, and the swing pair formed between the pawl and the pawl shaft is a rotation pair formed between the pawl shaft hole and the pawl shaft. Due to the lack of axial constraint, the pawl shaft hole also constitutes a guide hole, and the pawl shaft correspondingly constitutes a guide rod, thereby forming a guide rod and guide hole pair. Under this condition, the pawl also has the freedom of moving in the axial direction of the pawl shaft. In combination with the description of the shaft section of the pawl shaft used for guiding in the foregoing, the movement amount of the pawl in the axial direction of the pawl shaft is limited, and should be able to obtain buffering.

[0071] Therefore, further, a buffering member is provided, which is sleeved on the pawl shaft, and one or two pieces of the buffering member are provided corresponding to one pawl shaft, and are correspondingly supported between the pawl and the first end fixed seat and / or between the pawl and the second end fixed seat.

[0072] Regarding the buffering member, as described above, it can be a compression spring, and the compression spring is more typical cylindrical compression spring, which can be sleeved on the shaft body, and provides different support forces based on the compression amount of the buffering member. The buffering is reflected in the gradual increase of the compression amount and the increasingly large support force, thereby avoiding the pawl from being subjected to a large rigid impact.

[0073] In other embodiments, the buffering member can adopt a rubber sleeve.

[0074] The above-mentioned corresponding to a pawl shaft with one or two pieces of buffer components mainly consider different examples of different requirements, for example, the single-track crane car up, mainly for avoiding its down the car when stopping, and the single-track crane car down, still considering the problem of the vehicle down the car, in this case, for the pawl shaft set along the track 12, the buffer provided is mainly against the gravity of the single-track crane car.

[0075] And in the more preferred embodiment, also considering the vehicle limit problem under its own power drag, for example, when passing through the air door, at this time, regardless of up or down, but whether the vehicle can not pass before the air door is opened, at this time, the buffer component needs to provide bidirectional buffering.

[0076] Figure 4 In the middle, such as the root of the left pawl 14, that is, the end matched with the left pawl shaft 13 is provided with a power arm 25, and the second hinge shaft 15 is installed on the power arm 25. The second hinge shaft 15 is in Figure 2 The structure of the example is shown to have a certain length for providing buffering to the push rod 16 shown in the figure.

[0077] The second hinge shaft 15 is parallel to the left pawl shaft 13, and also parallel to the track 12, and Figure 2 As can be seen from the middle, the length of the second hinge shaft 15 is shorter than that of the left pawl shaft 13, and the effective guide length of the left pawl shaft 13 is considered. From Figure 2 As can be seen from the middle, for example, the left compression spring 19 is limited by its physical structure and is in a compressed limit state immediately after the turns of the spring body are extruded, therefore, the length of the second hinge shaft 15 and the length of the left pawl shaft 13 are matched according to the selected compression spring, which will not be described here.

[0078] As mentioned before, regarding the shape of the pawl, and the driving mode, both can use the existing pawl structure and its driving mode, and there is no influence because the pawl in the utility model has the freedom along the axis of the pawl shaft.

[0079] The driving device for driving the pawl displacement is mainly preferred to be a gas-liquid dynamic linkage mechanism, which is a mature planar hinge linkage mechanism in the mechanical field, and belongs to the general common sense in the mechanical field, which will not be described here.

[0080] The power component of the gas-liquid dynamic linkage mechanism is a hydraulic cylinder or a gas cylinder 2, which is preferred in the embodiment of the utility model as a gas cylinder 2. The typical feature of the gas cylinder 2 is fast response speed, and the working medium is air without pollution. The typical feature of the hydraulic cylinder is large power density and stable driving.

[0081] In addition, just for the output of linear motion, a component that can be replaced with the gas cylinder 2 and the hydraulic cylinder is an electric push rod.

[0082] The end of the push rod 16 of the driving device has a ring, and the ring hole is matched with the shaft hole of the second hinge shaft 15 to form a guide pair with the shaft hole and form a cylindrical hinge.

[0083] Regarding the displacement of the blocking paw, it is obvious that the two positions involved are the position of the blocking paw for blocking the monorail trolley and the position of the blocking paw for allowing the monorail trolley to pass, which is the general common sense in the field and will not be described here. The displacement of the driving device refers to the displacement between the open position and the blocking position.

[0084] In addition, for example, the pneumatic or hydraulic linkage mechanism mainly has hinge pairs and contains a moving pair. The cylinder of the pneumatic or hydraulic cylinder or the body of the electric push rod is installed on the support through the first hinge shaft, and the outer end of the corresponding push rod has a sliding sleeve sleeved on the second hinge shaft. The sliding sleeve is formed by the ring hole, and a wear-resistant sleeve such as a tin bronze sleeve or other commonly used wear-resistant sleeves can be inserted into the ring hole.

[0085] In order to improve the flexibility of the adjustment of the blocking paw stop position, the push rod 16 has a two-segment structure; accordingly, one of the two segments has a screw rod segment, and the other segment has a screw sleeve segment that is threadedly matched with the screw rod segment, so as to adjust the length of the push rod; further, a locking nut matched with the screw rod segment is provided to lock the screw sleeve after the length of the push rod is adjusted.

[0086] In Figure 4 In the exemplary structure, in order to obtain a relatively large power arm, the blocking paw is sleeved on one end of the blocking paw shaft to extend outward to form a power arm 25; accordingly, the second hinge shaft 15 is installed on the power arm 25.

[0087] Regarding the length of the power arm 25, it is not greater than 25 cm and not less than 5 cm.

[0088] Further, in Figure 4 In the exemplary structure, for example, the gear 18, if the top circle is relatively large, the length of the power arm 25 can be 0, and the driving torque requirement for the left blocking paw 14 can still be met.

[0089] It should be known that in the existing application of blocking the monorail trolley through the blocking paw, a pair of driving devices are generally used. Under this condition, not only is the structure relatively large, but also the overall structure is relatively complex due to the need to consider the problem of synchronous driving. In the embodiment of the utility model, when a pair of blocking paws are used, the two blocking paws are synchronized through a synchronous mechanism, so that only one driving device is needed for the two blocking paws. At this time, the two blocking paws are symmetrically arranged with respect to the left and right middle planes of the track 12.

[0090] Correspondingly, the blocking paw shaft is provided with a pair of blocking paw shafts, and the two blocking paw shafts are symmetrically arranged with respect to the left and right middle planes of the track 12; for example,Figure 4 The left pawl 14 and the right pawl 10 shown in the figure are symmetrical about the left-right middle plane of the track 12, and the left pawl shaft 13 and the right pawl shaft 11 are also symmetrical about the left-right middle plane of the track 12.

[0091] Further in Figure 4 In the exemplary structure, the end of the pawl and the corresponding pawl shaft sleeve is provided with a gear or has a sector gear part, Figure 4 The gears used in the figure are sector gears, and the two corresponding gears or sector gears have the same modulus and the same pitch circle diameter, that is, the same gears are used to provide a 1:1 transmission ratio, at this time, the two sector gears are engaged with each other.

[0092] Correspondingly, the drive device is one piece, and the output is directly connected to a pawl, and the overall structure is relatively compact. At the same time, based on the foregoing description, in order to adapt to the installation of the cylinder 2, it is necessary to make the support 4 have a relatively large size, and also because of this, a protrusion is separately provided, if only one cylinder 2 is used, the overall size will necessarily be smaller, and at the same time, the problem of synchronous driving of the two pawls can also be solved.

[0093] In a more preferred embodiment, the two pawls share a frame, and the frame constitutes a slide 20, which uses the two pawl shafts as guide rods, so that the overall structure is relatively good in integrity, thereby having better load resistance. Linear bearings can be provided on the slide 20, and the shaft sleeve of the linear bearing can be used as a mounting base for the pawl shaft hole, and the pawl can be connected to the shaft sleeve of the linear bearing using bearings.

[0094] If the buffer member corresponds to only one pawl shaft, the buffer member is arranged between the pawl and the first end fixed seat, and the installation position of the first end fixed seat is lower than that of the second end fixed seat; the second end fixed seat or the side of the pawl opposite to the second end fixed seat is provided with a buffer pad, and the buffer pad uses a rubber pad.

Claims

1. A mine single-track suspension block stopper, characterized in that, The invention relates to a single-track monorail crane system, comprising: a bracket fixedly arranged on a track and / or a tunnel wall of the single-track monorail crane system; a pawl shaft fixedly arranged on the bracket at both ends and provided with a first end fixing seat and a second end fixing seat, the pawl shaft being arranged on the upper side of the track and parallel to the track; a pawl sleeved on one end of the pawl shaft and provided with a freedom of axial movement and a freedom of rotation around the axis of the pawl shaft, and a second hinge shaft parallel to the pawl shaft and having a second length being arranged on one side of the end of the pawl sleeved on the pawl shaft; a buffer component sleeved on the pawl shaft and provided with one or two pieces corresponding to the pawl shaft and supported between the pawl and the first end fixing seat and / or between the pawl and the second end fixing seat; a driving device outputting a linear motion and provided with an output member having one end sleeved on the second hinge shaft and forming a second movement pair with the second hinge shaft to displace the pawl between a blocking position and an open position. The driving device is a pneumatic cylinder, a hydraulic cylinder or an electric push rod; 2. The mine track jumbo car stop according to claim 1, characterized in that, a cylinder body of the pneumatic cylinder or the hydraulic cylinder or a body of the electric push rod is arranged on the bracket through the first hinge shaft, and an extended end of the corresponding push rod is provided with a sliding sleeve sleeved on the second hinge shaft. The push rod has a two-segment structure.

3. A mine track jumbo car stop according to claim 2, characterized in that, Correspondingly, one of the two segments has a screw rod segment, and the other segment has a screw sleeve segment matched with the screw rod segment to adjust the length of the push rod. A locking nut matched with the screw rod segment is further provided to lock the screw sleeve after the length of the push rod is adjusted. The end of the pawl sleeved on the pawl shaft extends outward to form a power arm.

4. Monorail hoist car stop for mining according to claim 2 or 3, characterized in that Correspondingly, the second hinge shaft is arranged on the power arm. The pawl has a pair of pawls arranged symmetrically about the left-right middle plane of the track.

5. The mine track jumbo car stop according to claim 1, characterized in that, Correspondingly, the pawl shaft has a pair of pawl shafts arranged symmetrically about the left-right middle plane of the track. The end of the pawl sleeved on the corresponding pawl shaft is provided with a gear or a sector gear part, and the two gears or sector gears have the same modulus and the same pitch diameter and are in meshing engagement. Correspondingly, the driving device is one piece, and the output is directly connected to one pawl. The two pawls share a bracket, and the bracket forms a sliding seat with the two pawl shafts as guide rods.

6. The mine track jumbo car stop according to claim 5, characterized in that, If the bracket is connected to the track, the bracket is connected to the upper flange of the track, and the main body of the bracket is located on the upper side of the upper flange of the track.

7. The mine track jumbo car stop according to claim 1, characterized in that, If the bracket is connected to the tunnel wall, the bracket is directly installed on the tunnel top wall by anchor bolts or installed on the tunnel top wall through a beam body. The beam body is fixed to the tunnel top wall by anchor bolts, and the beam body and the bracket are welded or connected by bolts. If the bracket is installed on the track, a mounting plate is provided which is welded to the upper flange of the track, and the bottom of the bracket is provided with a fixing plate for fixed connection with the mounting plate.

8. A mine single-track suspension block stop according to claim 7, characterised in that, The bracket has a front upright and a rear upright for forming a front and rear span, and a bracket body connecting the front upright and the rear upright at the upper end. One end of the pawl shaft is fixedly arranged on the front upright, and the other end is fixedly arranged on the rear upright. The buffer stroke of the buffer component is not greater than 15 cm and not less than 3 cm.

9. The mine track jumbo car stop according to claim 1, characterized in that, The buffer component is a cylindrical spring or a cylindrical rubber sleeve.

10. A mine track jumbo car stop according to claim 1 or 9, characterized in that, ​ If the buffer member has only one piece corresponding to the pawl shaft, the buffer member is arranged between the pawl and a first end fixing seat, the mounting position of the first end fixing seat being lower than that of a second end fixing seat; The second end fixing seat or the pawl on the side opposite to the second end fixing seat is provided with a buffer pad.

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