Tail wheel limiting protection device of overhead passenger equipment
By designing a tail wheel limit protection device in the aerial passenger transport equipment, and using guide rails and limit protection components to restrict pulley displacement, the safety problem caused by accidental movement of the tail wheel is solved, thus improving safety.
Patent Information
- Application Number
- CN202423206311.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-25
AI Technical Summary
When the hand-operated hoist fails or the carrying wire rope breaks, the tail wheel of the aerial passenger transport equipment is prone to move quickly, which may cause the counterweight to hit or injure the operator.
Design a tail wheel limit protection device, including a first guide rail, a second guide rail and a limit protection component. The fixed block of the limit protection component is fastened to the guide rail to limit the displacement of the pulley and prevent the tail wheel from moving accidentally.
This effectively prevents the tail wheel from moving unexpectedly under abnormal conditions, improving safety and preventing accidents.
Smart Images
Figure CN223590712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transportation equipment technical field, concretely relates to an overhead passenger equipment's tail wheel limiting protection device. BACKGROUND
[0002] The overhead passenger equipment is also called monkey car, is mainly used in the underground mine auxiliary transportation worker, and this device is mainly composed of driving device, passenger equipment, tail wheel device, tensioning device and electromechanical control system. After the carrying steel wire rope is installed on the driving wheel, the rope supporting wheel, the rope pressing wheel and the tail wheel and is pulled tight through the tensioning device, the driving device output power drives the tail wheel device and the carrying steel wire rope to run, thereby realizing the principle of conveying the miner.
[0003] The tail wheel device and the tensioning device are mainly composed of tail wheel, carrying steel wire rope, traction steel wire rope and counterweight, the tail wheel is connected through the traction steel wire rope and the counterweight, the counterweight is generally arranged at the lowest point of the line force, and the gravity of the counterweight acts on the traction steel wire rope to naturally adjust the force change when the carrying steel wire rope runs, when the counterweight needs to be adjusted or replaced, the traction steel wire rope needs to be connected through the chain hoist to make the carrying steel wire rope keep the tension state, if the chain hoist fails, the tail wheel will quickly move towards the driving device direction, drive the counterweight to quickly move up and easily hit the operator to cause injury, if the carrying steel wire rope breaks, the tail wheel will quickly move towards the direction opposite to the driving device, drive the counterweight to quickly descend and injure the personnel. UTILITY MODEL CONTENTS
[0004] The utility model provides a kind of tail wheel limiting protection device of overhead passenger equipment, can solve above-mentioned technical problem.
[0005] The utility model realizes by the following technical scheme:
[0006] A kind of tail wheel limiting protection device of overhead passenger equipment, including tail wheel, first guide rail and second guide rail,
[0007] The first guide rail and the second guide rail are mutually parallel and installed horizontally on the top along the length direction of mine roadway, the tail wheel is horizontally arranged below the first guide rail and the second guide rail, one end of the pivot of the tail wheel is connected with first pulley and second pulley respectively along the two sides of its axis, and the first pulley and second pulley are respectively connected with the first guide rail and the second guide rail rolling connection;
[0008] A limiting protection assembly is detachably connected on both sides of the first pulley and the second pulley along the length direction of the first guide rail and the second guide rail, the limiting protection assembly comprises a connecting rod, a first fixing block and a second fixing block, external threads are formed on both ends of the connecting rod and bolts are screwed, the first fixing block and the second fixing block are abutted against the first guide rail and the second guide rail respectively by rotating the bolts, the first fixing block and the second fixing block are detachably connected on both ends of the connecting rod, the side of the first fixing block close to the first guide rail and the side of the second fixing block close to the second guide rail are provided with clamping claws, and the clamping claws of the first fixing block and the second fixing block are buckled with the first guide rail and the second guide rail respectively to limit the first pulley and the second pulley.
[0009] Further, the clamping claws are spaced apart along the length direction and are provided with a first notch and a second notch.
[0010] Further, the opposite side of the first fixing block and the second fixing block and below the connecting rod are provided with a protruding block.
[0011] Further, the side surface of the first fixing block towards the first guide rail and the side surface of the second fixing block towards the second guide rail are downwardly inclined inclined surfaces.
[0012] Further, external threads are formed on both ends of the connecting rod, the first fixing block and the second fixing block are provided with internal threads corresponding to the external threads of the connecting rod, and the first fixing block and the second fixing block are screwed on both ends of the connecting rod.
[0013] Further, the length and diameter of the connecting rod are 490mm-510mm and 25mm-35mm respectively, the first fixing block and the second fixing block are the same in size, the width of the top of the first fixing block and the second fixing block is 140mm-180mm, the length of the top of the first fixing block and the second fixing block is 480mm-520mm respectively, and the width of the bottom of the first fixing block and the second fixing block is 380mm-450mm.
[0014] Further, the length and diameter of the connecting rod are 500±0.5mm and 30±0.5mm respectively, the width of the top of the first fixing block and the width of the top of the second fixing block are 150±0.5mm, the length of the top of the first fixing block and the length of the top of the second fixing block are 480±0.5mm and 500±0.5mm respectively, and the width of the bottom of the first fixing block and the width of the bottom of the second fixing block are 400±0.5mm.
[0015] Compared with the prior art, the utility model has the advantages and beneficial effects as follows:
[0016] The tail wheel limiting protection device of the aerial passenger conveying device comprises a tail wheel, a first guide rail and a second guide rail, a limiting protection assembly is installed on both sides of the first pulley and the second pulley along the length direction of the first guide rail and the second guide rail when the counterweight needs to be adjusted or replaced, the pawl of the first fixed block and the pawl of the second fixed block are buckled with the first guide rail and the second guide rail respectively, the adjusting bolt makes the first fixed block and the second fixed block abut against the first guide rail and the second guide rail respectively, the limiting protection assembly is installed on both sides of the movement direction of the first pulley and the second pulley, the front and back displacement of the first pulley and the second pulley is limited, the safety accidents caused by the accidental movement of the tail wheel driven by the first pulley and the second pulley when the hoist is invalid or the carrying steel wire rope is broken are avoided, and the operator is prevented from being hurt. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and do not limit the present application. In the drawings:
[0018] Figure 1 The limiting protection assembly of the present application embodiment;
[0019] Figure 2 The limiting protection assembly installation schematic of the present application embodiment Figure 1 ;
[0020] Figure 3 The limiting protection assembly installation schematic of the present application embodiment Figure 2 ;
[0021] Figure 4 The tail wheel installation schematic of the present application embodiment.
[0022] The marks in the drawings and the corresponding component names are as follows:
[0023] 10-tail wheel, 101-carrying steel wire rope, 102-towing steel wire rope, 11-first guide rail, 111-first pulley, 12-second guide rail, 121-second pulley, 13-connecting rod, 131-first fixed block, 132-second fixed block, 133-pawl, 1331-first notch, 1332-second notch, 134-convex block, 135-bolt. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, specific embodiments and drawings are used to make further detailed description of the present application, the schematic embodiments and the description thereof are used to explain the present application, and do not limit the present application.
[0025] EMBODIMENT
[0026] Please refer to Figures 1-4 The tail wheel 10 limiting protection device of the aerial passenger conveying equipment, the tail wheel 10 limiting protection device of the aerial passenger conveying equipment, including tail wheel 10, first guide rail 11 and second guide rail 12, first guide rail 11 and second guide rail 12 mutually parallel along the length direction of the mine roadway are installed horizontally on its top, when the guide rail is installed, the straightness of the center line of first guide rail 11 and second guide rail 12 is not more than 1 / 1000, the parallelism of the two center lines is not more than 5 / 1000, and the height difference of the two center lines is ±3mm.
[0027] First guide rail 11 and second guide rail 12 are mutually parallel and are installed horizontally along the length direction of the mine roadway on the top thereof, the tail wheel 10 is horizontally arranged below the first guide rail 11 and the second guide rail 12, one end of the rotating shaft of the tail wheel 10 is connected with the first pulley 111 and the second pulley 121 respectively along the two sides of the axis thereof, and the first pulley 111 and the second pulley 121 are respectively in rolling connection with the first guide rail 11 and the second guide rail 12.
[0028] A limiting protection assembly is detachably connected on both sides of the first pulley 111 and the second pulley 121 along the length direction of the first guide rail 11 and the second guide rail 12, and the limiting protection assembly comprises a connecting rod 13, a first fixed block 131 and a second fixed block 132, external threads are formed on both ends of the connecting rod 13 and bolts 135 are screwed, the first fixed block 131 and the second fixed block 132 are respectively abutted against the first guide rail 11 and the second guide rail 12 by rotating the bolts 135, the first fixed block 131 and the second fixed block 132 are detachably connected at both ends of the connecting rod 13, the side of the first fixed block 131 close to the first guide rail 11 and the side of the second fixed block 132 close to the second guide rail 12 are both provided with a claw 133, the claw 133 of the first fixed block 131 and the claw 133 of the second fixed block 132 are respectively buckled with the first guide rail 11 and the second guide rail 12 to limit the first pulley 111 and the second pulley 121, for example, external threads are formed on both ends of the connecting rod 13, internal threads corresponding to the external threads of the connecting rod 13 are formed on the first fixed block 131 and the second fixed block 132, the first fixed block 131 and the second fixed block 132 are respectively screwed at both ends of the connecting rod 13, when the claw 133 of the first fixed block 131 and the claw 133 of the second fixed block 132 are respectively buckled with the first guide rail 11 and the second guide rail 12, the bolts 135 are adjusted to make the claw 133 of the first fixed block 131 and the claw 133 of the second fixed block 132 abut against the first guide rail 11 and the second guide rail 12, for example, the length and the diameter of the connecting rod 13 are 490mm-510mm and 25mm-35mm respectively, the first fixed block 131 and the second fixed block 132 are the same size, the width of the top of the first fixed block 131 and the top of the second fixed block 132 are both 140mm-180mm, the length of the top of the first fixed block 131 and the length of the top of the second fixed block 132 are 480mm-520mm respectively, the width of the bottom of the first fixed block 131 and the bottom of the second fixed block 132 are both 380mm-450mm, which can improve the overall stability of the device while limiting the displacement of the first pulley 111 and the second pulley 121. Preferably, the length and the diameter of the connecting rod 13 are 500±0.5mm and 30±0.5mm respectively, the width of the top of the first fixed block 131 and the width of the top of the second fixed block 132 are both 150±0.5mm, the length of the top of the first fixed block 131 and the length of the top of the second fixed block 132 are both 500±0.5mm, the width of the bottom of the first fixed block 131 and the width of the bottom of the second fixed block 132 are both 400±0.5mm, which can better reduce the deformation when bearing the pressure of the first pulley 111 and the second pulley 121, thereby improving the reliability of limiting and controlling the manufacturing cost. For example, the contact surface of the first fixed block 131 and the first pulley 111 and the contact surface of the second fixed block 132 and the second pulley 121 are provided with shock-absorbing pads to absorb impact energy and reduce damage caused by hard contact.
[0029] The application discloses an overhanging passenger equipment tail wheel 10 limiting protection device, which comprises the tail wheel 10, a first guide rail 11 and a second guide rail 12. When it is necessary to adjust or replace the counterweight, limiting protection assemblies are respectively arranged along the length direction of the first guide rail 11 and the second guide rail 12 and located on the two sides of a first pulley 111 and a second pulley 121. The clamping claws 133 of a first fixed block 131 and the clamping claws 133 of a second fixed block 132 are respectively buckled with the first guide rail 11 and the second guide rail 12. The adjusting bolts 135 make the first fixed block 131 and the second fixed block 132 abut against the first guide rail 11 and the second guide rail 12 respectively. The limiting protection assemblies are arranged on the two sides of the movement direction of the first pulley 111 and the second pulley 121, the front and back displacement of the first pulley 111 and the second pulley 121 is limited, the safety accidents caused by the accidental movement of the tail wheel 10 driven by the first pulley 111 and the second pulley 121 when the hoist fails or the carrying steel wire rope 101 is broken are avoided, and the operator is prevented from being hurt.
[0030] In another embodiment, the first gap 1331 and the second gap 1332 are arranged at intervals along the length direction of the clamping claw 133, the first gap 1331 and the second gap 1332 can effectively avoid the convex points or concave points on the guide rail, and the stability of the contact between the clamping claw 133 and the guide rail is improved.
[0031] In another embodiment, the anti-skid pad is arranged in the clamping claw 133, the better friction coefficient is provided, and the stability of the connection between the first fixed block 131 and the first guide rail and the first fixed block 131 and the second guide rail 12 is improved.
[0032] In another embodiment, the convex block 134 is arranged on the opposite side of the first fixed block 131 and the second fixed block 132 and below the connecting rod 13. When the center of the length direction of the first fixed block 131 and the center of the length direction of the second fixed block 132 are not on a straight line, the position of the convex block 134 is adjusted by knocking the convex block 134 by means of a tool, the convex block 134 increases the contact area, and the adjustment operation is facilitated.
[0033] In another embodiment, the side surface of the first fixed block 131 towards the first guide rail 11 and the side surface of the second fixed block 132 towards the second guide rail 12 are downward inclined inclined surfaces, the inclined surfaces and the screw rod form a triangular structure to provide stable support, the clamping claw 133 is less likely to displace when receiving external force, and preferably, the included angle between the inclined surface and the bottom surface is 60°, and the structure is more stable.
[0034] In another embodiment, the first guide rail 11 and the second guide rail 12 are both "[" shaped, including an upper wing, a web, and a lower wing. It should be noted that the present invention is not limited to this. The first guide rail 11 and the second guide rail 12 can also be "I" shaped. The first fixing block 131 near the first guide rail 11 and the second fixing block 132 near the second guide rail 12 are respectively provided with claws 133 corresponding to their upper and lower wings. This arrangement can increase the contact area between the first fixing block 131 and the first guide rail 11 and between the second fixing block 132 and the second guide rail 12, increase the friction, and further improve the stability and firmness of the connection.
[0035] In another embodiment, arc-shaped grooves are formed on the contact surfaces of the first fixing block 131 and the first pulley 111, as well as on the contact surfaces of the second fixing block 132 and the second pulley 121. These arc-shaped grooves can more closely conform to the shapes of the first pulley 111 and the second pulley 121, enhancing the limiting effect of the first fixing block 131 and the second fixing block 132, further preventing displacement of the first pulley 111 and the second pulley 121. Furthermore, the arc-shaped grooves help to more evenly distribute the contact stress between the first fixing block 131 and the first fixing block 131, and between the second fixing block 132 and the second pulley 121, reducing local stress concentration and thus lowering the risk of damage or deformation to the first fixing block 131 and the second fixing block 132. Preferably, a rubber pad is provided within the groove. As an elastic material, the rubber pad can provide a better coefficient of friction, increase the stability of the contact surfaces, improve the limiting effect, and absorb impact energy, avoiding hard contact between the first fixing block 131 and the first pulley 111, and between the second fixing block 132 and the second pulley 121, reducing damage caused by hard contact. Preferably, the connecting rod 13, bolt 135, first fixing block 131 and second fixing block 132 are all treated with insulation and anti-corrosion. After the insulation and anti-corrosion treatment, they have insulation and anti-corrosion properties. At the same time, the fastening is tighter and more secure, which helps to improve the installation accuracy.
[0036] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.
Claims
1. A tail wheel limit protection device for aerial passenger transport, characterized in that, Including the tail wheel, the first guide rail, and the second guide rail. The first guide rail and the second guide rail are horizontally installed on top of the mine roadway along its length, and the tail wheel is horizontally positioned below the first guide rail and the second guide rail. One end of the tail wheel's shaft is connected to a first pulley and a second pulley on both sides of its axis, and the first pulley and the second pulley are respectively in rolling connection with the first guide rail and the second guide rail. Limiting protection components are detachably connected along the length of the first and second guide rails and simultaneously located on both sides of the first and second pulleys. The limiting protection components include a connecting rod, a first fixing block, and a second fixing block. The two ends of the connecting rod are provided with external threads and bolts are screwed on. Rotating the bolts causes the first fixing block and the second fixing block to abut against the first and second guide rails respectively. The first fixing block and the second fixing block are detachably connected to the two ends of the connecting rod. The side of the first fixing block near the first guide rail and the side of the second fixing block near the second guide rail are provided with claws. The claws of the first fixing block and the claws of the second fixing block are respectively engaged with the first and second guide rails to limit the first and second pulleys respectively.
2. The tail wheel limiting protection device for an aerial passenger transport device according to claim 1, characterized in that, The claws are provided with a first notch and a second notch spaced apart along their length.
3. The tail wheel limiting protection device for an aerial passenger transport device according to claim 2, characterized in that, A protrusion is provided on the opposite side of the first fixing block and the second fixing block and below the connecting rod.
4. The tail wheel limiting protection device for an aerial passenger transport device according to claim 3, characterized in that, The side of the first fixing block facing the first guide rail and the side of the second fixing block facing the second guide rail are downward sloping surfaces.
5. The tail wheel limiting protection device for an aerial passenger transport facility according to claim 4, characterized in that, Both ends of the connecting rod are provided with external threads, and the first fixing block and the second fixing block are provided with internal threads corresponding to the external threads of the connecting rod. The first fixing block and the second fixing block are respectively screwed to both ends of the connecting rod.
6. The tail wheel limiting protection device for an aerial passenger transport facility according to claim 5, characterized in that, The length and diameter of the connecting rod are 490mm-510mm and 25mm-35mm, respectively. The first fixing block and the second fixing block have the same size, with a top width of 140mm-180mm, a top length of 480mm-520mm, and a bottom width of 380mm-450mm.
7. The tail wheel limiting protection device for an aerial passenger transport device according to claim 6, characterized in that, The length and diameter of the connecting rod are 500±0.5mm and 30±0.5mm, respectively. The width of the top of the first fixing block and the width of the top of the second fixing block are both 150±0.5mm. The length of the top of the first fixing block and the length of the top of the second fixing block are both 500±0.5mm. The width of the bottom of the first fixing block and the width of the bottom of the second fixing block are both 400±0.5mm.