CN116691761B - Mining inclined roadway sports car protector - Google Patents
Mining inclined roadway sports car protector Download PDFInfo
- Publication number
- CN116691761B CN116691761B CN202310490863.0A CN202310490863A CN116691761B CN 116691761 B CN116691761 B CN 116691761B CN 202310490863 A CN202310490863 A CN 202310490863A CN 116691761 B CN116691761 B CN 116691761B
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- front wheel
- balancing weight
- fixed
- movable
- inclined roadway
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- 238000005065 mining Methods 0.000 title claims abstract description 25
- 230000001012 protector Effects 0.000 title claims description 4
- 238000007667 floating Methods 0.000 claims description 49
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D11/00—Mine cars
- B61D11/02—Body construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/02—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of self-applying brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H15/00—Wear-compensating mechanisms, e.g. slack adjusters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention discloses a mining inclined roadway sports car protection device, and particularly relates to the technical field of mine car protection, comprising a car body; a mounting cylinder; a support shaft; a front wheel; a rear wheel; balancing weight; a pull ring; a braking portion including a fixed disc; a notch; a movable plate; a clamping block; the driving assembly is used for driving the two movable disks to move towards the two fixed disks respectively after the balancing weight swings downwards, so that the clamping block can be clamped into the notch. When the balancing weight rotates downwards, the braking part is triggered to act, the movable disc moves towards the fixed disc until the clamping block is clamped in the notch, and the supporting shaft is fixed and non-rotating, so that the front wheel can be braked.
Description
Technical Field
The invention relates to the technical field of mine car protection, in particular to a mining inclined roadway sports car protection device.
Background
In the existing coal mine, a mine car is pulled by a steel wire rope to transport coal and material equipment back and forth in an inclined roadway of the coal mine, so that the coal and material equipment deep in the ground is transported out. In order to prevent the accident of mine car running caused by the separation of the wire rope for pulling the mine car and the mine car in the transportation process, a car blocking beam is arranged in the inclined roadway.
The mine car anti-running device in the prior art mainly prevents the mine car from running by overturning the car baffle Liang Chaoshang, but because the car baffle beams cannot be continuously arranged on the inclined roadway guide rail, the mine car can continue running downwards when running between the two car baffle beams until the car baffle beams below stop the mine car to continue running, and therefore the anti-running device in the prior art cannot brake the mine car rapidly to achieve anti-running measures.
Disclosure of Invention
The invention aims to provide a mining inclined roadway sports car protection device which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a mining inclined drifts sports car protector, includes the automobile body that the bottom is equipped with four extension boards, two adjacent be connected with the installation section of thick bamboo on the extension board jointly, coaxial fixedly connected with back shaft on the installation section of thick bamboo, two rotate respectively on the back shaft and be connected with front wheel, rear wheel, front wheel, rear wheel roll on the guide rail, the automobile body corresponds the one end of front wheel and articulates there is the balancing weight, be equipped with the pull ring on the balancing weight, be equipped with on the automobile body and be used for when the balancing weight swings downwards, can be to two the braking portion that the front wheel braked, the braking portion includes:
the fixed disc is coaxially connected to the front wheel, and a plurality of notches are formed in the end face of the fixed disc along the axial array of the fixed disc;
the movable disks are connected to the supporting shaft through keys, the number and the positions of the movable disks correspond to those of the fixed disks, and a plurality of clamping blocks capable of being clamped into the gaps are arranged on one end face, facing the fixed disks, of the movable disks;
the driving assembly is used for driving the two movable disks to move towards the two fixed disks respectively after the balancing weight swings downwards, so that the clamping block can be clamped into the notch.
Preferably, the driving assembly includes:
a bracket connected to the mounting cylinder;
the driving rod horizontally slides and penetrates through the bracket;
ear plates arranged at two ends of the mounting cylinder;
the sliding rods horizontally slide and penetrate through the two lug plates, and one end of each sliding rod, facing the front wheel, is connected with the periphery of the movable disc;
the two hinge rods are hinged to the driving rod, and one ends of the two hinge rods, which are far away from the driving rod, are correspondingly hinged to the two sliding rods;
the arc-shaped plate is connected to the lower surface of the balancing weight, and when the balancing weight rotates downwards, the lower end of the arc-shaped plate can abut against the driving rod to drive the driving rod to move towards the direction of the vehicle body.
Preferably, the driving assembly further comprises:
a fixed ring fixedly sleeved on one end of the driving rod far away from the hinge rod;
and the first springs are sleeved on the driving rod, and the two ends of the elastic direction respectively elastically abut against the fixing ring and the bracket.
Preferably, one end of the driving rod penetrating out of the bracket is rotatably connected with a roller, and the roller can be in rolling contact with the end part of the arc plate.
Preferably, the front wheel is provided with a gap compensation part, and the gap compensation part is used for reducing the gap between the inner wall of the groove of the front wheel and the outer wall of the guide rail when the movable disc moves towards the direction of the fixed disc.
Preferably, the backlash compensation part includes:
a plurality of sliding pins horizontally penetrate through the front wheel end face along the front wheel axial array, and the front wheel end face is provided with mounting holes for the sliding pins to freely pass through;
a floating ring connected with the sliding pins connected to the front wheel, wherein the fixed disk and the movable disk can freely pass through a middle hole of the floating ring;
and the ejector rod is arranged on the periphery of the movable disc, and one end of the ejector rod, which is not connected with the movable disc, is abutted against the end face of the floating ring.
Preferably, the sliding pin is sleeved with a second spring, the end face of the front wheel is provided with a counter bore for installing the second spring, and the second spring elastically abuts against the floating ring.
Preferably, the vehicle body is provided with an anti-rebound portion for restricting upward swing of the counterweight.
Preferably, the rebound prevention part includes:
the ratchet wheel is fixedly connected to one end of the balancing weight adjacent to the vehicle body, and the axis of the ratchet wheel is coaxial with a rotating fulcrum of the balancing weight on the vehicle body;
a fixed cylinder fixedly connected to the vehicle body;
the floating column is inserted into the fixed cylinder in a telescopic way, a tooth block is arranged at one end of the floating column penetrating out of the fixed cylinder, when the floating column slides towards the outer side of the fixed cylinder, the tooth block can move towards the ratchet wheel, and the tooth block is matched with the ratchet wheel for use;
the limiting pin penetrates through one end, far away from the tooth block, of the floating column, and a kidney-shaped hole for inserting the limiting pin is formed in the outer wall of the fixed cylinder;
and the third spring is arranged in the fixed cylinder, elastically abuts against the floating column and drives the floating column to move towards the outer side direction of the fixed cylinder.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the balancing weight and the pull ring are arranged, and the steel wire rope of the external traction equipment is bolted on the pull ring, so that the traction car body moves on the guide rail, and the conveying capacity of the mine car is realized;
according to the invention, when the steel wire rope is broken, the mine car loses traction force, the weight of the weight block drives the weight block to rotate downwards, so that the weight block rotates downwards, the braking part is triggered to act, and the movable disc moves towards the fixed disc until the clamping block is clamped in the notch;
according to the invention, the gap compensation part is arranged, so that when the movable disc moves towards the fixed disc, the gap between the inner wall of the groove on the front wheel and the outer wall of the guide rail is synchronously reduced, on one hand, the friction resistance between the front wheel and the guide rail is increased, and further, the braking efficiency is improved, and on the other hand, the phenomenon that the front wheel moves along the width direction of the guide rail and further the braking effect is poor is prevented by reducing the gap between the inner wall of the groove and the outer wall of the guide rail;
according to the invention, the rebound prevention part is arranged, so that the balancing weight can only swing downwards in the downward swing process when the steel wire rope is broken, and cannot swing upwards to rebound, the state that the movable disc is disconnected with the fixed disc is avoided, and further the front wheel fails to brake.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of a partial structure at A in FIG. 1;
FIG. 3 is an enlarged schematic view of a partial structure at B in FIG. 1;
FIG. 4 is an exploded schematic view of the structure of FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 1 from below;
FIG. 6 is a schematic front view of the structure of FIG. 1;
FIG. 7 is an enlarged schematic view of a partial structure at C in FIG. 6;
FIG. 8 is a schematic side view of the structure of FIG. 1;
FIG. 9 is a schematic bottom view of the structure of FIG. 1;
FIG. 10 is an exploded schematic view of the structure of the brake part of the present invention;
FIG. 11 is a schematic view of a structure of a fixing plate according to the present invention;
FIG. 12 is a schematic view of the structure of the movable tray of the present invention;
FIG. 13 is a schematic view of a floating column according to the present invention;
fig. 14 is a schematic front view of the structure of fig. 13.
In the figure: 1-a vehicle body; 2-balancing weight; 3-a guide rail; 4-pull ring; 5-a bracket; 6-front wheels; 7-a sliding rod; 8-a rear wheel; 9-supporting plates; 10-fixing the cylinder; 11-kidney-shaped holes; 12-ratchet wheel; 13-mounting a barrel; 14-ear plates; 15-a hinge rod; 16-a drive rod; 17-a first spring; 18-a fixing ring; 19-a roller; a 20-arc plate; 21-floating ring; 22-ejector rods; 23-a movable tray; 24-a third spring; 25-floating columns; 26-a limiting pin; 27-tooth block; 28-clamping blocks; 29-a support shaft; 30-notch; 31-a second spring; 32-counter bore; 33-a sliding pin; 34-a fixed disk.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 14, the present invention provides a technical solution: the mining inclined roadway sports car protection device comprises a car body 1 with four support plates 9 arranged at the bottom, wherein the support plates 9 can be arranged at the bottom of the car body 1 in a welding mode, the four support plates 9 are respectively positioned at the periphery of the car body 1, the support plates 9 are opposite to each other in pairs, two adjacent support plates 9 which are opposite to each other in the thickness direction are jointly connected with a mounting cylinder 13, the mounting cylinder 13 is coaxially and fixedly connected with a support shaft 29, the support shaft 29 is fixedly arranged on the mounting cylinder 13 and cannot rotate, one ends of the two support shafts 29 penetrating out of the mounting cylinder 13 are respectively connected with a front wheel 6 and a rear wheel 8 through mounting bearings, specifically, two front wheels 6 are defined at the front end of the car body 1 in the moving direction, the other two front wheels 8 are defined as rear wheels 8, the front wheels 6 and the rear wheels 8 roll on a guide rail 3, annular grooves are respectively formed in the peripheries of the front wheels 6 and the rear wheels 8, the guide rail 3 is clamped in the grooves, the front wheel 6 and the rear wheel 8 are limited, the front wheel and the rear wheel can roll on the guide rail to move, the balancing weight 2 is hinged at one end of the car body 1 corresponding to the front wheel 6, the balancing weight 2 is provided with the pull ring 4, the external traction equipment for traction of a mine car to walk on the guide rail installed in an inclined roadway is connected with the pull ring 4 through a steel wire rope, the steel wire rope can be connected with the pull ring 4 in a bolting way, the steel wire rope is wound by the traction equipment to drive the front wheel 6 and the rear wheel 8 on the car body 1 to roll on the guide rail, the car body 1 can move on the inclined roadway guide rail, the balancing weight swings upwards when the steel wire rope pulls the pull ring due to the large self weight of the car body 1 after loading minerals on the car body 1, the steel wire rope can be broken after improper operation and long-term use due to the large resistance of the steel wire rope during traction, during fracture, balancing weight 2 will follow the articulated department downward swing with automobile body 1 under the action of gravity, in addition in this embodiment, balancing weight 2's weight sets up according to the specific condition for after wire rope fracture, balancing weight 2 can the quick downward swing, is equipped with on automobile body 1 to be used for when balancing weight 2 downward swing, can carry out the brake portion of braking to two front wheels 6, and the brake portion includes:
the fixed disc 34 coaxially connected to the front wheel 6, specifically, the fixed disc 34 may be welded to the end surface of the front wheel 6, or mounted on the end surface of the front wheel 6 by means of screw connection, and a plurality of notches 30 are formed on the end surface of the fixed disc 34 along its axial array;
the movable disks 23 are connected to the supporting shaft 29 through keys, so that the movable disks 23 can slide on the supporting shaft 29 along the axial direction of the supporting shaft 29 and can be in a relatively static state with the supporting shaft 29, the number and the positions of the movable disks 23 correspond to those of the fixed disks 34, namely, each fixed disk 34 corresponds to one movable disk 23, a plurality of clamping blocks 28 which can be clamped into the gaps 30 are arranged on one end face of each movable disk 23, which faces the fixed disk 34, of course, the number and the positions of the clamping blocks 28 are the same as those of the plurality of the gaps 30, and after one clamping block 28 is clamped into the gap 30, other clamping blocks 28 can be correspondingly clamped into other gaps 30;
the driving component is used for driving the two movable disks 23 to move towards the two fixed disks 34 respectively after the balancing weight 2 swings downwards, so that the clamping block 28 can be clamped into the notch 30.
In the mining inclined roadway sports car protection device, the traction equipment winds the steel wire rope to drive the front wheel 6 and the rear wheel 8 on the car body 1 to roll on the guide rail, so that the car body 1 can move on the inclined roadway guide rail, the dead weight of the car body 1 is large after the car body 1 is loaded with minerals, the balancing weight swings upwards when the pull ring is pulled by the steel wire rope, the steel wire rope is possibly broken due to large resistance when in traction, and when in fracture, the balancing weight 2 swings downwards along the hinge joint with the car body 1 under the action of gravity, and when in downward swing, the driving component drives the two movable disks 23 to move towards the directions of the two fixed disks 34 respectively, so that the clamping blocks 28 can slide against the end faces of the fixed disks 34, the clamping blocks 28 have extrusion force along the axial direction of the fixed disks 34 until the clamping blocks 28 are clamped into the gaps 30, and after the clamping blocks 28 are clamped into the gaps 30, the supporting shaft 29 is fixed and non-rotating, the fixed disks 34 are braked instantaneously, and the car body 6 is prevented from moving continuously.
As shown in fig. 1 to 14, the driving assembly includes:
the bracket 5 connected to one mounting cylinder 13 corresponding to one side of the front wheel 6, specifically, the bracket 5 may be mounted on the surface of the mounting cylinder 13 by welding;
the driving rod 16 horizontally slides and penetrates through the bracket 5, the bracket 5 is in a U shape, the straight sections at the two sides of the bracket are connected with the mounting cylinder 13, and the straight section at the middle part of the bracket is provided with a through hole for the driving rod 16 to freely pass through, so that the driving rod 16 can slide on the bracket 5;
the ear plates 14 are arranged at two ends of the mounting cylinder 13, and specifically, the ear plates 14 can be connected to the outer wall of the mounting cylinder 13 in a welding mode;
the sliding rods 7 horizontally slide and penetrate through the two lug plates 14, and one end of each sliding rod 7, facing the front wheel 6, is connected with the periphery of the movable disc 23;
the two hinge rods 15 are hinged on the driving rod 16, and one ends of the two hinge rods 15, which are far away from the driving rod 16, are correspondingly hinged on the two sliding rods 7;
the arc 20 connected to the lower surface of the balancing weight 2, the arc center of the arc 20 and the balancing weight 2 are coaxial with each other along the rotation pivot of the hinge joint of the balancing weight 1, so that when the balancing weight 2 rotates downwards, the lower end of the arc 20 can abut against the driving rod 16 to drive the driving rod 16 to move towards the direction of the balancing weight 1.
In the mining inclined roadway sports car protection device disclosed by the invention, when the balancing weight 2 rotates downwards, the arc-shaped plate 20 swings downwards, so that the lower end part of the arc-shaped plate 20 is abutted against one end of the driving rod 16 far away from the bracket 5, and a driving force is generated on the driving rod 16, so that the driving rod 16 moves towards the direction of the mounting cylinder 13, the driving rod 16 drives the two hinge rods 15 to swing, and when the hinge rods 15 swing, the two sliding rods 7 are respectively pushed to move towards the front wheel, and the movable disc 23 can be driven to move towards the fixed disc 34 until the clamping blocks can be clamped into the gaps.
As shown in fig. 1-14, the drive assembly further includes:
a fixing ring 18 fixedly sleeved on one end of the driving rod 16 far away from the hinge rod 15, wherein the fixing ring 18 can be arranged on the driving rod 16 in a welding manner;
the first spring 17 is sleeved on the driving rod 16, and two ends of the elastic direction respectively elastically abut against the fixing ring 18 and the bracket 5.
In the mining inclined roadway sports car protection device, when the driving rod 16 moves towards the direction of the mounting cylinder 13, the fixed ring 18 is made to compress the first spring 17, so that the first spring 17 accumulates elastic potential energy, when the pull ring on the balancing weight is connected with the steel wire rope again, the balancing weight swings upwards in the traction process, the elastic potential energy accumulated by the first spring 17 drives the fixed ring 18 to move towards the direction away from the bracket 5, so that the driving rod 16 can be driven to move reversely, and the two movable disks 23 can be away from the fixed disk 34, so that the front wheel 6 can rotate normally, and further the movement of the car body 1 is realized.
As shown in fig. 1-14, one end of the driving rod 16 penetrating out of the bracket 5 is rotatably connected with a roller 19, and the roller 19 can be in rolling contact with the end of the arc-shaped plate 20.
In the mining inclined roadway sports car protection device, the roller 19 is arranged, so that the roller 19 is in rolling contact with the arc-shaped plate 20, and the arc-shaped plate 20 has small abrasion loss to the end part of the driving rod when pushing the driving rod to move.
As shown in fig. 1 to 14, the front wheel 6 is provided with a gap compensation part for reducing the gap between the inner wall of the groove of the front wheel 6 and the outer wall of the guide rail 3 when the movable disk 23 moves toward the fixed disk 34.
According to the mining inclined roadway sports car protection device, the gap compensation part is arranged, so that when the movable disc moves towards the fixed disc, the gap between the inner wall of the groove on the front wheel and the outer wall of the guide rail is synchronously reduced, on one hand, the friction resistance of the front wheel and the guide rail is increased, and further, the braking efficiency is improved, and on the other hand, the phenomenon that the front wheel moves along the width direction of the guide rail and further the braking effect is poor is prevented by reducing the gap between the inner wall of the groove and the outer wall of the guide rail.
As shown in fig. 1 to 14, the gap compensation section includes:
a plurality of sliding pins 33 horizontally penetrating through the end face of the front wheel 6 along the axial array of the front wheel 6, wherein the sliding pins 33 can be made of brass, and the end face of the front wheel 6 is provided with mounting holes for the sliding pins 33 to freely pass through;
a floating ring 21 connected with the plurality of sliding pins 33 connected to the front wheel 6, the fixed disk 34 and the movable disk 23 can freely pass through the middle hole of the floating ring 21, and further, the floating ring 21 can be coaxially arranged with the front wheel;
the ejector rod 22 is arranged on the periphery of the movable disc 23, and one end of the ejector rod 22, which is not connected with the movable disc 23, is abutted against the end face of the floating ring 21.
In the mining inclined roadway sports car protection device, when the movable disc 23 moves towards the direction of the fixed disc, the ejector rod 22 is synchronously driven to move towards the end face of the floating ring 21 until one end of the ejector rod 22, which is far away from the movable disc 23, abuts against the floating ring 21, so that the floating ring 21 drives the sliding pin 33 to move towards the inner side of the front wheel 6 until the end of the sliding pin 33 is exposed out of the mounting hole, the end face of one sliding pin 33 is in abutting connection with the surface of the guide rail, the friction force between the sliding pin 33 and the surface of the guide rail is increased, and the braking effect on a car body is improved.
As shown in fig. 1-14, the sliding pin 33 is sleeved with a second spring 31, a counter bore 32 for installing the second spring 31 is formed in the end face of the front wheel 6, and the second spring 31 elastically abuts against the floating ring 21.
In the mining inclined roadway sports car protection device, the second spring 31 is arranged, so that when the floating ring 21 moves towards the front wheel, the floating ring 21 can compress the second spring 31, the second spring 31 stores elastic potential energy, when the ejector rod 22 is far away from the floating ring 21, the elastic potential energy stored by the second spring 31 is released, the floating ring 21 can be driven to be far away from the front wheel, and the sliding pin 33 is further separated from the contact state of the surface of the guide rail.
As shown in fig. 1 to 14, the vehicle body 1 is provided with an anti-rebound portion for restricting upward swing of the counterweight 2.
According to the mining inclined roadway sports car protection device, the balancing weight can only swing downwards in the downward swing process when the steel wire rope is broken, and cannot swing upwards to rebound, so that the situation that the movable disc is disconnected with the fixed disc is avoided, and further the front wheel braking fails.
As shown in fig. 1 to 14, the rebound prevention part includes:
the ratchet wheel 12 is fixedly connected to one end of the balancing weight 2 adjacent to the vehicle body 1, the ratchet wheel on the ratchet wheel 12 comprises an inclined surface and a straight surface, and the axis of the ratchet wheel 12 is coaxial with the rotating fulcrum of the balancing weight 2 on the vehicle body 1;
the fixed cylinder 10 is fixedly connected to the vehicle body 1, and the fixed cylinder 10 can be welded on the surface of the vehicle body 1;
the floating column 25 is telescopically inserted into the fixed cylinder 10, the fixed cylinder 10 is hollow, the floating column 25 is inserted into the fixed cylinder 10 and can telescopically slide, one end of the floating column 25 penetrating out of the fixed cylinder 10 is provided with the tooth block 27, the upward surface of the tooth block 27 is a plane, the downward surface is an inclined surface, when the floating column 25 slides towards the outer side of the fixed cylinder 10, the tooth block 27 can move towards the ratchet 12, and the tooth block 27 is matched with the ratchet 12 for use, specifically, when the balancing weight swings downwards, the inclined surface on the tooth block 17 and the inclined surface on the ratchet 12 slide relatively, and then the tooth block 27 drives the floating column 25 to retract into the fixed cylinder 10, at the moment, the ratchet 12 can normally swing downwards along with the balancing weight, otherwise, when the balancing weight swings upwards, the plane on the tooth block 17 can be propped against the straight surface on the ratchet 12, and the effect of limiting rotation is generated on the ratchet 12, and the balancing weight can be prevented from swinging upwards by itself;
the limiting pin 26 penetrates through one end, far away from the tooth block 27, of the floating column 25, the waist-shaped hole 11 for inserting the limiting pin 26 is formed in the outer wall of the fixed cylinder 10, and the floating column 25 can be prevented from being separated from the fixed cylinder 10 by sliding the limiting pin 26 in the waist-shaped hole 11;
and a third spring 24 installed in the fixed cylinder 10, the third spring 24 elastically abutting against the floating column 25, and driving the floating column 25 to move toward the outside direction of the fixed cylinder 10.
In the mining inclined roadway sports car protection device disclosed by the invention, when the balancing weight swings downwards, the inclined plane on the tooth block 27 and the inclined plane on the ratchet wheel 12 slide relatively, so that the tooth block 27 drives the floating column 25 to retract into the fixed cylinder 10, the ratchet wheel 12 can normally rotate along with the downward swinging of the balancing weight, otherwise, when the balancing weight swings upwards, the plane on the tooth block 27 can abut against the straight plane on the ratchet wheel 12 and has the effect of limiting rotation on the ratchet wheel 12, the balancing weight can be prevented from swinging upwards by itself, in addition, the floating column 25 can be prevented from being separated from the fixed cylinder 10 under the limiting effect of the limiting pin when sliding in the kidney-shaped hole, in addition, the third spring 24 has elastic abutting force on the floating column 25, so that the floating column 25 always keeps moving towards the ratchet wheel direction, so that the tooth block 27 contacts with the ratchet wheel, and when a steel wire rope of traction equipment needs to pull the car body 1 again, the limiting pin can be used, the third spring can pull the limiting pin to resist the straight plane on the ratchet wheel 12, the sliding resistance of the floating column can be prevented from moving towards the ratchet wheel, and the normal sliding direction of the ratchet wheel can be overcome, and the rolling resistance of the wire rope can be prevented from moving upwards, and the normal contact with the ratchet wheel can be prevented from moving upwards.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a mining inclined roadway sports car protector, its characterized in that, is equipped with automobile body (1) of four extension boards (9) including the bottom, adjacent two be connected with mounting cylinder (13) jointly on extension board (9), coaxial fixedly connected with back shaft (29) on mounting cylinder (13), two rotate respectively on back shaft (29) and be connected with front wheel (6), rear wheel (8), front wheel (6), rear wheel (8) roll on guide rail (3), the one end that automobile body (1) corresponds front wheel (6) articulates there is balancing weight (2), be equipped with pull ring (4) on balancing weight (2), be equipped with on automobile body (1) and be used for when balancing weight (2) swing down, can be to two the braking portion that front wheel (6) braked, the braking portion includes:
a fixed disc (34) coaxially connected to the front wheel (6), wherein a plurality of notches (30) are formed in the end surface of the fixed disc (34) along the axial direction thereof in an array manner;
the movable disks (23) are connected to the supporting shaft (29) through keys, the number and the positions of the movable disks (23) correspond to those of the fixed disks (34), and a plurality of clamping blocks (28) which can be clamped into the notches (30) are arranged on one end face, facing the fixed disks (34), of the movable disks (23);
and the driving assembly is used for driving the two movable disks (23) to move towards the two fixed disks (34) respectively after the balancing weight (2) swings downwards, so that the clamping blocks (28) can be clamped into the notches (30).
2. A mining inclined roadway sports car guard as claimed in claim 1, wherein said drive assembly comprises:
a bracket (5) connected to the mounting cylinder (13);
a driving rod (16) horizontally sliding and penetrating the bracket (5);
ear plates (14) arranged at two ends of the mounting cylinder (13);
the sliding rods (7) horizontally slide and penetrate through the two lug plates (14), and one ends of the two sliding rods (7) facing the front wheels (6) are connected with the periphery of the movable disc (23);
the two hinge rods (15) are hinged to the driving rod (16), and one ends of the two hinge rods (15) far away from the driving rod (16) are correspondingly hinged to the two sliding rods (7);
the arc-shaped plate (20) is connected to the lower surface of the balancing weight (2), and when the balancing weight (2) rotates downwards, the lower end part of the arc-shaped plate (20) can abut against the driving rod (16) so as to drive the driving rod (16) to move towards the vehicle body (1).
3. The mining inclined roadway sports car guard of claim 2, wherein said drive assembly further comprises:
a fixed ring (18) fixedly sleeved on one end of the driving rod (16) far away from the hinge rod (15);
and the first springs (17) are sleeved on the driving rod (16) and respectively elastically propped against the fixing ring (18) and the bracket (5) at two ends of the elastic direction.
4. A mining inclined roadway sports car protection device according to claim 3, characterized in that one end of the driving rod (16) penetrating out of the support (5) is rotatably connected with a roller (19), and the roller (19) can be in rolling contact with the end of the arc plate (20).
5. The mining inclined roadway sports car protection device according to claim 4, wherein a gap compensation part is arranged on the front wheel (6), and the gap compensation part is used for reducing the gap between the inner wall of the groove of the front wheel (6) and the outer wall of the guide rail (3) when the movable disc (23) moves towards the fixed disc (34).
6. The mining inclined roadway sports car guard of claim 5, wherein the gap compensation portion comprises:
a plurality of sliding pins (33) horizontally penetrate through the end face of the front wheel (6) along the axial array of the front wheel (6), and mounting holes for the sliding pins (33) to freely pass through are formed in the end face of the front wheel (6);
a floating ring (21) which is connected with a plurality of sliding pins (33) connected to the front wheel (6), wherein the fixed disk (34) and the movable disk (23) can freely pass through a middle hole of the floating ring (21);
and the ejector rod (22) is arranged on the periphery of the movable disc (23), and one end of the ejector rod (22) which is not connected with the movable disc (23) is abutted against the end face of the floating ring (21).
7. The mining inclined roadway sports car protection device according to claim 6, wherein the sliding pin (33) is sleeved with a second spring (31), a counter bore (32) for installing the second spring (31) is formed in the end face of the front wheel (6), and the second spring (31) elastically abuts against the floating ring (21).
8. The mining inclined roadway sports car protection device according to claim 7, wherein the car body (1) is provided with an anti-rebound part for limiting upward swing of the balancing weight (2).
9. The mining inclined roadway sports car guard of claim 8, wherein the rebound prevention portion comprises:
the ratchet wheel (12) is fixedly connected to one end of the balancing weight (2) adjacent to the vehicle body (1), and the axis of the ratchet wheel (12) is coaxial with a rotating fulcrum of the balancing weight (2) on the vehicle body (1);
a fixed cylinder (10) fixedly connected to the vehicle body (1);
a floating column (25) which is telescopically inserted on the fixed cylinder (10), wherein one end of the floating column (25) penetrating out of the fixed cylinder (10) is provided with a tooth block (27), when the floating column (25) slides towards the outer side of the fixed cylinder (10), the tooth block (27) can move towards the direction of the ratchet wheel (12), and the tooth block (27) is matched with the ratchet wheel (12);
the limiting pin (26) penetrates through one end, far away from the tooth block (27), of the floating column (25), and a kidney-shaped hole (11) for inserting the limiting pin (26) is formed in the outer wall of the fixed cylinder (10);
and a third spring (24) installed in the fixed cylinder (10), wherein the third spring (24) elastically abuts against the floating column (25) and drives the floating column (25) to move towards the outer side direction of the fixed cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310490863.0A CN116691761B (en) | 2023-05-04 | 2023-05-04 | Mining inclined roadway sports car protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310490863.0A CN116691761B (en) | 2023-05-04 | 2023-05-04 | Mining inclined roadway sports car protector |
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| Publication Number | Publication Date |
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| CN116691761A CN116691761A (en) | 2023-09-05 |
| CN116691761B true CN116691761B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310490863.0A Active CN116691761B (en) | 2023-05-04 | 2023-05-04 | Mining inclined roadway sports car protector |
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| CN (1) | CN116691761B (en) |
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| CN111284525A (en) * | 2020-03-31 | 2020-06-16 | 永贵能源开发有限责任公司新田煤矿 | Colliery anti-sliding device |
| CN115556797A (en) * | 2022-10-28 | 2023-01-03 | 平顶山天安煤业股份有限公司一矿 | Inclined drifts track catcher |
| CN115773318A (en) * | 2022-12-05 | 2023-03-10 | 北京少仕科技有限公司 | Vehicle braking device |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2082700A (en) * | 1980-08-06 | 1982-03-10 | Wheway Watson Holdings | Method of arresting a vehicle; vehicle having arrestor means |
| CN203439057U (en) * | 2013-06-15 | 2014-02-19 | 张东成 | Hook rope intercept type car moving protective device |
| CN204506913U (en) * | 2014-12-25 | 2015-07-29 | 湖南科技大学 | A kind of mine car brake device of inclined drift tramcar escape-preventing |
| CN108357514A (en) * | 2018-04-18 | 2018-08-03 | 新疆工程学院 | A kind of non-coal mine inclined gallery Obstruct apparatus and its method of holding up traffic |
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| CN115773318A (en) * | 2022-12-05 | 2023-03-10 | 北京少仕科技有限公司 | Vehicle braking device |
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|---|---|
| CN116691761A (en) | 2023-09-05 |
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