CN117923286A - Roller cage ear of mining cage - Google Patents
Roller cage ear of mining cage Download PDFInfo
- Publication number
- CN117923286A CN117923286A CN202410340191.XA CN202410340191A CN117923286A CN 117923286 A CN117923286 A CN 117923286A CN 202410340191 A CN202410340191 A CN 202410340191A CN 117923286 A CN117923286 A CN 117923286A
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- Prior art keywords
- wall
- rod
- roller
- cage
- supporting frame
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- 238000005065 mining Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 10
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 230000004308 accommodation Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/04—Mining-hoist cars or cages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention relates to the technical field of roller cage shoes, and discloses a roller cage shoe of a mining cage, which comprises a bearing plate, a base arranged on the outer wall of the bearing plate, a support frame arranged on the side wall of the base, rollers arranged on the inner wall of the support frame, and a buffer arranged on the outer wall of the bearing plate, wherein the movable end of the buffer is sleeved on the support frame, and one side of the support frame is provided with a stopping-assisting component; the stop-assisting component comprises a resistance increasing component arranged on the supporting frame and a speed limiting component arranged on the resistance increasing component. According to the roller cage shoe of the mining cage, when the cage falls, the rotating speed of the roller exceeds the expected setting, the top pressing rod is firstly popped up to be in contact with the guide rail, then the roller is converted into a sliding state from a rolling state, the friction force between the roller and the guide rail is further increased, the falling speed of the cage is further effectively slowed down, the cage is effectively prevented from falling and rapidly falling, and the use safety of the cage and the roller cage shoe is improved.
Description
Technical Field
The invention relates to the technical field of roller cage shoes, in particular to a roller cage shoe of a mining cage.
Background
The cage is a special device for transporting ores, miners or equipment in the mine or mine field and the like, roller lugs are generally distributed at four corners of the cage, and the roller lugs are mainly used for supporting the movement of the cage in the vertical transportation process and relieving the friction force between the cage and a guide rail, so that the cage can be stably lifted and lowered to ensure the safety of personnel and equipment.
The cage is connected with lifting equipment (such as a lifter or a winch), the movement of the cage is controlled by pulling or releasing a steel rope or a chain on the connecting mechanism, when the connecting mechanism is repeatedly stretched and compressed, material fatigue is easily caused, the connecting mechanism is gradually disabled under a certain load and finally broken, the traditional roller cage ear of the mining cage is usually controlled by simply utilizing rolling friction force between the roller and the guide rail, and safety protection measures are lacked, so that protection cannot be provided for falling of the cage, and potential safety hazards are increased.
For example, chinese patent with bulletin number CN220055976U discloses a roller cage shoe that prevents falling, which comprises a base, the top fixedly connected with first mount of base, two the opposite face fixedly connected with spliced pole of first mount, swing arm's inside swing joint has the spliced pole, the inside swing joint of spliced pole has the screw, the surface fixedly connected with connecting axle of support column, the preceding terminal surface fixedly connected with fixed column of connecting axle, the surface fixedly connected with torsion spring of fixed column, the one end fixedly connected with gag lever post of torsion spring keeping away from the fixed column, and the outside at torsion spring is established to the gag lever post cover, the preceding terminal surface fixedly connected with dog of connecting axle, swing arm's inside wall fixedly connected with gag lever post, prior art is favorable to preventing the container and falls through setting up gag lever post and gag lever post, and then the practicality of hoisting device is favorable to the convenience of hoisting device installation through setting up spliced pole and screw.
The prior art also has the following disadvantages:
Although the above-mentioned prior art can lock the gyro wheel through setting up gag lever post and spacing post, but when the cage drops fast, the gyro wheel is also rolling at a high speed, this impact force that produces when making between gag lever post and the spacing post collision is great, and the gag lever post takes place cracked possibility when suffering violent striking, the gag lever post just is difficult to control the rotational speed of gyro wheel again after damaging, this makes above-mentioned prior art have certain security problem in the use, only be equipped with a heavy protective structure, be difficult to fully prevent the cage effectively.
Disclosure of Invention
In view of the problems that the conventional roller cage shoes of the mining cage in the prior art generally control the movement of the cage by simply utilizing the rolling friction force between the rollers and the guide rails, lack of safety protection measures and can not provide protection for the falling of the cage, the roller cage shoes of the mining cage are provided.
The application discloses a roller cage shoe of a mining cage, which aims at: when the cage falls, the rotating speed of the roller exceeds the expected setting, the top pressing rod is firstly popped up to be in contact with the guide rail, then the roller is converted into a sliding state from a rolling state, and the friction force between the roller and the guide rail is further increased, so that the falling speed of the cage is more effectively slowed down, the cage is effectively prevented from falling and rapidly falling, and the use safety of the cage and the roller cage ear is improved.
The technical scheme of the invention is as follows: the roller cage shoe comprises a bearing plate, a base arranged on the outer wall of the bearing plate, a support frame arranged on the side wall of the base, rollers arranged on the inner wall of the support frame, and a buffer arranged on the outer wall of the bearing plate, wherein the movable end of the buffer is sleeved on the support frame, and one side of the support frame is provided with a stopping-assisting component; the stop-assisting component comprises a resistance increasing component arranged on the support frame and a speed limiting component arranged on the resistance increasing component; the resistance increasing assembly comprises a top compression bar arranged on the side surface of the support frame far away from the roller, an anti-slip strip arranged on the end part of the top compression bar, a mounting piece arranged at the axial end of the roller, a fixed disc arranged on the side surface of the support frame, a movable ring arranged on the side surface of the fixed disc far away from the support frame, a fixing frame arranged on the side surface of the roller and a sleeve arranged on the outer wall of the fixing frame, a trigger rod arranged inside the sleeve, a rotating rod arranged on the side surface of the support frame far away from the roller, a control rod arranged on the rod wall of the rotating rod, a power rod arranged on the side surface of the control rod far away from the support frame, a torsion spring arranged on the support frame far away from the side surface of the roller, a shaft shoulder arranged on the rod wall of the top compression rod, and a connecting plate arranged on the side surface of the support frame far away from the roller, and two connecting plates arranged on the side surface of the support frame, wherein the shaft shoulder is elastically mounted on the outer wall of one connecting plate, one end of the control rod far away from the mounting piece is abutted against the outer wall of the shaft shoulder, the control rod is rotatably mounted on the side surface of the support frame far away from the roller, the trigger rod is arranged on one side surface of the control rod near the control rod, and the torsion spring sleeve is fixedly connected with one end of the support frame far away from the support frame near the control rod.
Further, increase and hinder the subassembly and still including setting up in the stopper of top depression bar pole wall, and the inner wall of connecting plate and the outer wall slip laminating of stopper.
Further, the resistance increasing assembly further comprises a fourth elastic piece sleeved on the rod wall of the pressing rod, one end of the fourth elastic piece is fixedly connected with the outer wall of the shaft shoulder, and the other end of the fourth elastic piece is fixedly connected with the outer wall of one of the connecting plates.
Further, increase and hinder the subassembly still including seting up in the mounting groove of trigger lever outer wall, setting up in the inside locating lever of mounting groove, set up in the inside second elastic component of mounting groove to and set up in the sleeve outer wall and supply the locating hole that the locating lever inserted, and the one end and the inner wall fixed connection of mounting groove of second elastic component, the other end and the outer wall fixed connection of locating lever of second elastic component.
Further, the resistance increasing assembly further comprises a first elastic piece arranged on the inner wall of the sleeve, and one end, away from the inner wall of the sleeve, of the first elastic piece is fixedly connected with the outer wall of the trigger rod.
Further, the resistance increasing assembly further comprises a through groove formed in the outer wall of the shaft shoulder, a limiting plate arranged on the inner wall of the through groove, and a baffle plate arranged on the inner wall of the through groove and used for limiting the rotation direction of the limiting plate.
Further, speed limiting assembly is including seting up in the support frame keep away from the second accommodation groove of gyro wheel one side, set up in the inside helping stop pole of second accommodation groove, set up in the expansion ring outer wall supply helping stop pole insert the through-hole of establishing, set up in the expansion ring keep away from the gag lever post of support frame one side, set up in the inside first accommodation groove of expansion ring to and place at the inside balancing weight of first accommodation groove, and the balancing weight is provided with a plurality ofly, and the one end that the control lever is close to the expansion ring contacts with the gag lever post.
Further, the speed limiting assembly further comprises a third elastic piece arranged on the inner wall of the second accommodating groove, one end of the third elastic piece is fixedly connected with the inner wall of the second accommodating groove, and the other end of the third elastic piece is fixedly connected with the outer wall of the stopping assisting rod.
Further, the length of the auxiliary stop rod is greater than that of the limiting rod.
Further, a side of the support frame is provided with a dustproof shell, and a side of the dustproof shell far away from the support frame is sleeved with a protective cover.
Compared with the prior art, the invention has the beneficial effects that:
1. When the rotational speed of gyro wheel surpasss the default, the output shaft rotation of gyro wheel is followed to the installed part, the trigger lever can be moved to the direction of keeping away from the mount under the effect of centrifugal force, then the trigger lever can contact the power pole, stir the power pole and drive the control lever and rotate for the control lever is close to the one end and the shoulder separation of shaft, wherein the control lever rotates as the center with the dwang, needs to stress on the explanation, distance between power lever and the dwang is longer than the distance between one end that the control lever is close to the shoulder and the dwang, thereby can be more laborsaving when making the trigger lever stir the one end that the control lever kept away from the shoulder, increased the stability that this device used.
2. When the control rod is close to one end of the shaft shoulder and is separated from the limiting plate, the shaft shoulder is not blocked by the control rod any more, and under the elastic action of the fourth elastic piece, the pressing rod and the shaft shoulder can be automatically driven to move towards the direction close to the guide rail until the pressing rod and the shaft shoulder are attached to the guide rail, so that the friction force between the roller and the guide rail is effectively increased.
3. When the trigger lever rotates to stir the power lever, the one end that the control lever is close to the expansion link no longer blocks the gag lever post to the expansion link can rotate, can make the through-hole correspond with helping the position of stopping the pole then, helps the tip of stopping the pole and can block the sleeve through the through-hole, prevents that the gyro wheel from continuing to rotate, makes the gyro wheel change into sliding state by rolling state, has increased the frictional force between gyro wheel and the guide rail, has increased the safety precaution for the gyro wheel, has further improved the security that this device used, can effectively prevent the gyro wheel simultaneously because of the too big equipment vibrations that leads to of inertia, skew orbit scheduling problem when descending fast, has improved the running stability of equipment.
4. When the cage takes place to fall, through letting top depression bar contact guide rail earlier, can increase frictional force, slow down the decline speed immediately, quick response and provide the protection of falling, reduce distance and the speed of falling, reduce accident risk, the control gyro wheel is changed into sliding state from rolling state again, can be when further increasing frictional force, reduce the wearing and tearing and the damage of gyro wheel, the life of extension gyro wheel, this device adopts the both modes to carry out the speed limit to the gyro wheel to handle in succession, fully prevents weighing down the protection to the cage.
5. The surface of the roller is made of conductive materials or covered with conductive layers so as to be in contact with the guide rail to form a circuit, the surface of the guide rail is also made of conductive materials or covered with conductive layers so as to be in contact with the surface of the roller to form a circuit, the roller and the guide rail are respectively connected to the storage battery or the charger through wires to form a closed circuit, when the cage ascends or descends, the friction between the roller and the guide rail can generate current, the current is led into the storage battery or the charger through the wires to charge the storage battery, the stable power supply of a signal system is ensured, and the charging mode and speed can be controlled through the design of the circuit so as to ensure the safety and stability of charging;
6. The protection casing card is in the outer wall of dustproof casing, makes things convenient for the staff to maintain and overhaul this device, and dustproof casing can avoid the influence of dust in the mine tunnel to this device internals, has improved the life of this device.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of the installation of a damper according to the present invention;
FIG. 3 is a schematic view of the installation of the connection plate of the present invention;
FIG. 4 is a schematic diagram of the installation of the resistance increasing assembly of the present invention;
FIG. 5 is a perspective view of a movable ring according to the present invention;
FIG. 6 is a perspective view of a sleeve according to the present invention;
FIG. 7 is a cross-sectional view of a sleeve according to the present invention;
FIG. 8 is a schematic view of the installation of a second elastic member according to the present invention;
FIG. 9 is a schematic view of the installation of a baffle plate according to the present invention;
FIG. 10 is an enlarged view of FIG. 9A in accordance with the present invention;
FIG. 11 is a schematic view of the installation of a speed limiting assembly of the present invention;
FIG. 12 is a perspective view of a control lever according to the present invention;
FIG. 13 is a cross-sectional view of a support bracket of the present invention;
Fig. 14 is a schematic view illustrating the installation of the stop lever according to the present invention.
In the figure: 1. a carrying plate; 2. a base; 3. a support frame; 4. a roller; 5. a buffer; 6. a dust-proof housing; 7. a resistance increasing component; 8. a speed limiting assembly; 9. a pressing rod is pressed; 10. a mounting member; 11. a fixed plate; 12. a movable ring; 13. a fixing frame; 14. a sleeve; 15. a trigger lever; 16. a rotating lever; 17. a control lever; 18. a power lever; 19. positioning holes; 20. a first elastic member; 21. a mounting groove; 22. a positioning rod; 23. a second elastic member; 24. a limiting block; 25. a connecting plate; 26. a shaft shoulder; 27. a through groove; 28. a limiting plate; 29. a baffle; 30. an anti-slip strip; 31. a limit rod; 32. a through hole; 33. a first accommodating groove; 34. balancing weight; 35. a second accommodating groove; 36. a stopping-assisting rod; 37. a third elastic member; 38. a protective cover; 39. a torsion spring; 40. and a fourth elastic member.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Embodiment 1, refer to fig. 1-10, for a first embodiment of the present invention, a roller cage shoe of a mining cage is provided, which comprises a bearing plate 1, a base 2 fixedly installed on the outer wall of the bearing plate 1, a supporting frame 3 rotatably installed on the side wall of the base 2, a roller 4 rotatably installed on the inner wall of the supporting frame 3, and a buffer 5 rotatably installed on the outer wall of the bearing plate 1, wherein the movable end of the buffer 5 is sleeved on the supporting frame 3, one side of the supporting frame 3 is provided with a stopping-assisting component, and the stopping-assisting component comprises a resistance increasing component 7 arranged on the supporting frame 3, and a speed limiting component 8 arranged on the resistance increasing component 7.
Specifically, the base 2 provides an installation space for the support frame 3, refer to fig. 3, the bearing plate 1 is fixedly installed on a cage (not numbered in the figure), the surface of the roller 4 is in contact with the surface of the guide rail (not numbered in the figure), when the cage accidentally falls, the roller 4 is rotated at an increased speed due to contact between the roller 4 and the guide rail, at the moment, the function of the resistance increasing component 7 is that when the rotating speed of the roller 4 exceeds the expected setting, the preset value can be determined by the elastic coefficient of the first elastic piece 20, specifically according to the actual use requirement, the top pressure rod 9 is controlled to move towards the direction close to the guide rail until the end part of the top pressure rod 9 is attached to the guide rail, the friction force between the roller 4 and the cage can be effectively increased, the falling speed of the cage is slowed down, and the speed limiting component 8 is used for controlling the roller 4 to stop rotating after the top pressure rod 9 moves, so that the roller 4 is changed from a rolling state to a sliding state, the friction force between the roller 4 and the guide rail is further increased, the position can be realized by means of a rotating speed sensor, a logic controller, a friction plate and the like, so that the safety device can be effectively prevented from rapidly increasing the cage 4.
In addition, the mine lifting system is required to realize signal transmission in the cage, a signal system is required to be installed on the cage, the control voltage is 24V, the device can realize charging of a storage battery on the cage, the power supply stability of the signal system is guaranteed, specifically, conductive materials are adopted on the surface of the roller 4 or conductive layers are covered on the surface of the roller 4 so as to be in contact with the guide rail to form a circuit, the surface of the guide rail is also covered with the conductive materials or the conductive layers so as to be in contact with the surface of the roller 4 to form a circuit, the roller 4 and the guide rail are respectively connected to the storage battery (not shown in the figure) or a charger (not shown in the figure) through wires to form a closed circuit, when the cage ascends or descends, current is generated through friction between the roller 4 and the guide rail, the storage battery or the charger is led into through the wires to charge the storage battery, the power supply stability of the signal system is guaranteed, and the charging mode and speed can be controlled through the design of the circuit so as to guarantee the safety and the stability of charging.
Referring to fig. 4 to 10, the resistance increasing assembly 7 includes a pressing rod 9 slidably installed at a side of the supporting frame3 far from the roller 4, a slip preventing bar 30 fixedly installed at an end of the pressing rod 9, a mounting member 10 fixedly installed at an axial end of the roller 4, a fixed disk 11 fixedly installed at a side of the supporting frame3, a movable ring 12 rotatably installed at a side of the fixed disk 11 far from the supporting frame3, a fixing frame 13 fixedly installed at a side of the mounting member 10 far from the roller 4, a sleeve 14 fixedly installed at an outer wall of the fixing frame 13, a triggering rod 15 elastically installed inside the sleeve 14, a rotating rod 16 rotatably installed at a side of the supporting frame3 far from the roller 4, a control rod 17 fixedly installed at a rod wall of the rotating rod 16, a power rod 18 fixedly installed at a side of the control rod 17 far from the supporting frame3, a torsion spring 39 fixedly installed at a side of the supporting frame3 far from the roller 4, a shoulder 26 fixedly installed at a rod wall of the pressing rod 9, and the connecting plate 25 of a side face is kept away from the roller 4 in the support frame3 in a fixed manner, two connecting plates 25 are arranged, the shaft shoulder 26 is elastically arranged on the outer wall of one connecting plate 25, one end, away from the mounting piece 10, of the control rod 17 is abutted against the outer wall of the shaft shoulder 26, the control rod 17 is rotatably arranged on a side face, away from the roller 4, of the support frame3, a side face, close to the control rod 17, of the trigger rod 15 is obliquely arranged, the torsion spring 39 is sleeved on the rod wall of the rotating rod 16, and one end, away from the support frame3, of the torsion spring 39 is fixedly connected with a side face, close to the support frame3, of the control rod 17.
Specifically, through the antislip strip 30 that sets up, can effectively increase the frictional force between roof depression bar 9 and the guide rail, install piece 10 can be dismantled by screw or bolt and install the axial end at gyro wheel 4, through dismantling installed part 10, can dismantle expansion ring 12, make things convenient for the staff to change and maintain the part of this device, the side that installed part 10 is close to expansion ring 12 is round platform form, and the side that expansion ring 12 is close to installed part 10 and the shape looks adaptation of installed part 10 each other, through the cooperation between installed part 10 and the expansion ring 12, can make expansion ring 12 rotate in the time of guaranteeing the installation stability.
When the rotation speed of the roller 4 exceeds a preset value, the mounting piece 10 rotates along with the output shaft of the roller 4, the trigger rod 15 moves towards a direction away from the fixed frame 13 under the action of centrifugal force, then the trigger rod 15 can contact the power rod 18, the power rod 18 is stirred to drive the control rod 17 to rotate, one end of the control rod 17 close to the shaft shoulder 26 is separated from the shaft shoulder 26, the control rod 17 rotates around the rotating rod 16, and it is important to say that the distance between the power rod 18 and the rotating rod 16 is longer than the distance between one end of the control rod 17 close to the shaft shoulder 26 and the rotating rod 16, so that the force can be saved when the trigger rod 15 stirs one end of the control rod 17 away from the shaft shoulder 26, and the use stability of the device is improved.
Referring to fig. 4 and 9, the resistance increasing assembly 7 further includes a stopper 24 fixedly installed on the rod wall of the top pressing rod 9, and an inner wall of the connecting plate 25 is slidably attached to an outer wall of the stopper 24.
Specifically, by the cooperation between the stopper 24 and the connecting plate 25, the stability when the pressing lever 9 moves can be improved.
Referring to fig. 4, the resistance increasing assembly 7 further includes a fourth elastic member 40 sleeved on the wall of the top pressing rod 9, one end of the fourth elastic member 40 is fixedly connected with the outer wall of the shaft shoulder 26, and the other end of the fourth elastic member 40 is fixedly connected with the outer wall of one of the connecting plates 25.
Specifically, in the initial state, the fourth elastic member 40 is in a compressed state, elastic potential energy is stored, the fourth elastic member 40 can be a compression spring or a spring plate commonly used in the prior art, and is preferably a compression spring, when the power rod 18 is toggled by the trigger rod 15, the shaft shoulder 26 is not blocked by the control rod 17 when the control rod 17 is driven to rotate, and under the elastic force of the fourth elastic member 40, the top compression rod 9 and the shaft shoulder 26 can be driven to move towards a direction close to the guide rail until the top compression rod and the shaft shoulder are attached to the guide rail, so that friction force between the roller 4 and the guide rail is effectively increased.
Referring to fig. 6-8, the resistance increasing assembly 7 further includes a mounting groove 21 formed on the outer wall of the trigger rod 15, a positioning rod 22 slidably mounted in the mounting groove 21, a second elastic member 23 fixedly mounted in the mounting groove 21, and a positioning hole 19 formed on the outer wall of the sleeve 14 for inserting the positioning rod 22, wherein one end of the second elastic member 23 is fixedly connected with the inner wall of the mounting groove 21, and the other end of the second elastic member 23 is fixedly connected with the outer wall of the positioning rod 22.
Specifically, the second elastic member 23 may be a compression spring or a spring plate, which is commonly known in the art, and is preferably a compression spring, and is in a compressed state in an initial state, and stores elastic potential energy.
When the rotational speed of gyro wheel 4 increases, can drive trigger lever 15 and remove to the direction of keeping away from mount 13 under the effect of centrifugal force, through the cooperation between locating hole 19 and the locating lever 22, when trigger lever 15 removes to the position that is enough to stir power pole 18, locating lever 22 corresponds with the position of locating hole 19, under the elasticity effect of second elastic component 23, can drive the tip of locating lever 22 and pass locating hole 19, then can fix the position of trigger lever 15, guarantee that trigger lever 15 can stablize and stir power pole 18, further improved the stability that this device used.
Referring to fig. 7, the resistance increasing assembly 7 further includes a first elastic member 20 fixedly installed on the inner wall of the sleeve 14, and one end of the first elastic member 20 away from the inner wall of the sleeve 14 is fixedly connected with the outer wall of the trigger rod 15.
Specifically, the first elastic member 20 may be a tension spring or an elastic plate, preferably a tension spring, where when the rotational speed of the roller 4 increases, the trigger lever 15 moves away from the fixed frame 13 under the action of centrifugal force, the first elastic member 20 is stretched to store elastic potential energy, and when the rotational speed of the roller 4 decreases, the trigger lever 15 can be pulled to reset by the first elastic member 20.
Referring to fig. 8, the resistance increasing assembly 7 further includes a through groove 27 formed on an outer wall of the shaft shoulder 26, a limiting plate 28 rotatably mounted on an inner wall of the through groove 27, and a baffle 29 fixedly mounted on an inner wall of the through groove 27 for limiting a rotation direction of the limiting plate 28.
Specifically, by the baffle 29, the limiting plate 28 can only rotate in the direction approaching the guide rail, so that after the stop-assisting component moves, the shaft shoulder 26, the pressing rod 9 and the control rod 17 can be assisted to return to the initial state by rotating the limiting plate 28.
Embodiment 2, referring to fig. 11-14, is a second embodiment of the present invention, which differs from the first embodiment in that: the speed limiting assembly 8 comprises a second accommodating groove 35 formed in the side surface of the support frame 3 far away from the roller 4, a stopping assisting rod 36 elastically mounted in the second accommodating groove 35, a through hole 32 formed in the outer wall of the movable ring 12 and used for inserting the stopping assisting rod 36, a limiting rod 31 fixedly mounted on the movable ring 12 far away from the side surface of the support frame 3, a first accommodating groove 33 formed in the movable ring 12, and a balancing weight 34 placed in the first accommodating groove 33, wherein the balancing weights 34 are provided with a plurality of control rods 17, and one end, close to the movable ring 12, of each control rod 17 is in contact with the limiting rod 31.
Specifically, the transparent plate is clamped on one side surface of the first accommodating groove 33, which is close to the sleeve 14, so that the balancing weights 34 are conveniently placed or replaced by workers, the through holes 32 are provided with a plurality of auxiliary stopping rods 36 and the through holes 32, the movable ring 12 has rotating power and trend through the plurality of balancing weights 34, when the control rod 17 does not block the limiting rod 31 any more, the movable ring 12 rotates under the action of the plurality of balancing weights 34, and then the through holes 32 can be rotated to the positions of the auxiliary stopping rods 36.
When the trigger rod 15 rotates to stir the power rod 18, one end of the control rod 17, which is close to the movable ring 12, does not block the limiting rod 31, so that the movable ring 12 can rotate, the through hole 32 can correspond to the position of the stopping assisting rod 36, the end part of the stopping assisting rod 36 can pass through the through hole 32, the stopping assisting rod 36 can block the sleeve 14, the roller 4 is prevented from continuing to rotate, and the roller 4 is enabled to rotate from a rolling state to a sliding state.
Referring to fig. 13, the speed limiting assembly 8 further includes a third elastic member 37 fixedly installed on an inner wall of the second accommodating groove 35, one end of the third elastic member 37 is fixedly connected with the inner wall of the second accommodating groove 35, and the other end of the third elastic member 37 is fixedly connected with an outer wall of the stopping rod 36.
Specifically, the third elastic member 37 may be a compression spring or a spring plate in the prior art, and the initial state is a compression state, and elastic potential energy is stored, so when the movable ring 12 rotates, the through hole 32 corresponds to the position of the stopping rod 36, the stopping rod 36 can be pushed to extend out of the through hole 32 under the elastic force of the third elastic member 37.
Referring to fig. 14, the length of the auxiliary stopper rod 36 is greater than the length of the stopper rod 31.
Specifically, the length of the stop lever 31 does not block the rotation of the sleeve 14, and the length of the stop-assisting lever 36 is longer than the length of the stop-assisting lever 31, when the stop-assisting lever 36 is extended, the stop-assisting lever 36 can block the sleeve 14, and the sleeve 14 is blocked from continuing to rotate, so that the roller 4 can be blocked from continuing to rotate.
The rest of the structure is the same as that of embodiment 1.
Embodiment 3, referring to fig. 1-2, is a second embodiment of the present invention, which differs from the first embodiment in that: a dustproof shell 6 is fixedly arranged on one side face of the support frame 3, and a protective cover 38 is sleeved on one side face, far away from the support frame 3, of the dustproof shell 6.
Specifically, protection casing 38 card is in the outer wall of dustproof casing 6, and dustproof casing 6 can avoid the influence of dust in the ore deposit hole to this device internals, has improved the life of this device.
The rest of the structure is the same as that of embodiment 2.
The working principle of the invention is as follows, according to the general examples 1-3:
When the cage accidentally falls, the rotating speed of the roller 4 exceeds a preset value, the mounting piece 10 rotates along with the output shaft of the roller 4, the trigger rod 15 moves away from the fixed frame 13 under the action of centrifugal force, when the trigger rod 15 moves to a position which is enough to stir the power rod 18, the positioning rod 22 corresponds to the position of the positioning hole 19, under the action of the elastic force of the second elastic piece 23, the end part of the positioning rod 22 can be driven to pass through the positioning hole 19, then the position of the trigger rod 15 can be fixed, then the trigger rod 15 stirs the power rod 18 to drive the control rod 17 to rotate, one end of the control rod 17, which is close to the shaft shoulder 26, is separated from the limiting plate 28, the shaft shoulder 26 is not blocked by the control rod 17, and under the action of the elastic force of the fourth elastic piece 40, the top pressing rod 9 and the shaft shoulder 26 can be driven to move towards a direction which is close to the guide rail until the position is jointed with the guide rail, and the friction force between the roller 4 and the guide rail is effectively increased.
When the trigger rod 15 rotates to stir the power rod 18, one end of the control rod 17, which is close to the movable ring 12, does not block the limiting rod 31, so that the movable ring 12 can rotate, the through hole 32 can correspond to the position of the stopping assisting rod 36, the end part of the stopping assisting rod 36 can block the sleeve 14 through the through hole 32, the stopping assisting rod 36 can prevent the roller 4 from continuing to rotate, the roller 4 is changed into a sliding state from a rolling state, safety protection measures are added for the roller 4, and the use safety of the device is further improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a mining cage gyro wheel cage ear, includes loading board (1), sets up in base (2) of loading board (1) outer wall, sets up in support frame (3) of base (2) lateral wall, sets up in gyro wheel (4) of support frame (3) inner wall to and set up in buffer (5) of loading board (1) outer wall, and the activity pot head of buffer (5) is established on support frame (3), its characterized in that: one side of the supporting frame (3) is provided with a stopping-assisting component;
The stopping-assisting component comprises a resistance increasing component (7) arranged on the supporting frame (3) and a speed limiting component (8) arranged on the resistance increasing component (7);
The resistance increasing component (7) comprises a top pressing rod (9) arranged on one side surface of the supporting frame (3) far away from the roller (4), a sliding prevention strip (30) arranged on the end part of the top pressing rod (9), a mounting piece (10) arranged on the axial end of the roller (4), a fixed disc (11) arranged on one side surface of the supporting frame (3), a movable ring (12) arranged on the fixed disc (11) far away from one side surface of the supporting frame (3), a fixing frame (13) arranged on the mounting piece (10) far away from one side surface of the roller (4), a sleeve (14) arranged on the outer wall of the fixing frame (13), a trigger rod (15) arranged in the sleeve (14), a rotating rod (16) arranged on the supporting frame (3) far away from one side surface of the roller (4), a control rod (17) arranged on the power rod (18) far away from one side surface of the supporting frame (3), a torsion spring (39) arranged on one side surface of the supporting frame (3) far away from one side surface of the roller (39), a shoulder (26) arranged on the rod wall of the top pressing rod (9) and two elastic connecting plates (25) arranged on one side surface (25) far away from the roller (4) of the supporting frame (3), one end of a control rod (17) away from a mounting part (10) is abutted against the outer wall of a shaft shoulder (26), the control rod (17) is rotatably mounted on one side surface of a support frame (3) away from a roller (4), a triggering rod (15) is arranged in an inclined mode close to one side surface of the control rod (17), a torsion spring (39) is sleeved on the rod wall of a rotating rod (16), and one end of the torsion spring (39) away from the support frame (3) is fixedly connected with one side surface of the control rod (17) close to the support frame (3).
2. The mining cage roller cage shoe of claim 1, wherein: the resistance increasing assembly (7) further comprises a limiting block (24) arranged on the rod wall of the top pressing rod (9), and the inner wall of the connecting plate (25) is in sliding fit with the outer wall of the limiting block (24).
3. The mining cage roller cage shoe of claim 2, wherein: the resistance increasing assembly (7) further comprises a fourth elastic piece (40) sleeved on the rod wall of the pushing rod (9), one end of the fourth elastic piece (40) is fixedly connected with the outer wall of the shaft shoulder (26), and the other end of the fourth elastic piece (40) is fixedly connected with the outer wall of one of the connecting plates (25).
4. A mining cage roller cage shoe according to claim 3, wherein: the resistance increasing assembly (7) further comprises a mounting groove (21) formed in the outer wall of the trigger rod (15), a positioning rod (22) arranged in the mounting groove (21), a second elastic piece (23) arranged in the mounting groove (21), and a positioning hole (19) formed in the outer wall of the sleeve (14) and used for inserting the positioning rod (22), one end of the second elastic piece (23) is fixedly connected with the inner wall of the mounting groove (21), and the other end of the second elastic piece (23) is fixedly connected with the outer wall of the positioning rod (22).
5. The mining cage roller cage shoe of claim 4, wherein: the resistance increasing assembly (7) further comprises a first elastic piece (20) arranged on the inner wall of the sleeve (14), and one end, away from the inner wall of the sleeve (14), of the first elastic piece (20) is fixedly connected with the outer wall of the trigger rod (15).
6. The mining cage roller cage shoe of claim 5, wherein: the resistance increasing assembly (7) further comprises a through groove (27) formed in the outer wall of the shaft shoulder (26), a limiting plate (28) arranged on the inner wall of the through groove (27), and a baffle (29) arranged on the inner wall of the through groove (27) and used for limiting the rotation direction of the limiting plate (28).
7. The mining cage roller cage shoe of claim 6, wherein: the speed limiting assembly (8) comprises a second accommodating groove (35) formed in the side surface of the supporting frame (3) away from the roller (4), a stopping assisting rod (36) arranged in the second accommodating groove (35), a through hole (32) formed in the outer wall of the movable ring (12) and used for inserting the stopping rod (36), a limit rod (31) arranged in the movable ring (12) away from the side surface of the supporting frame (3), a first accommodating groove (33) formed in the movable ring (12), and balancing weights (34) placed in the first accommodating groove (33), wherein the balancing weights (34) are arranged in a plurality, and one end of the control rod (17) close to the movable ring (12) is in contact with the limit rod (31).
8. The mining cage roller cage shoe of claim 7, wherein: the speed limiting assembly (8) further comprises a third elastic piece (37) arranged on the inner wall of the second accommodating groove (35), one end of the third elastic piece (37) is fixedly connected with the inner wall of the second accommodating groove (35), and the other end of the third elastic piece (37) is fixedly connected with the outer wall of the stopping assisting rod (36).
9. The mining cage roller cage shoe of claim 8, wherein: the length of the auxiliary stopping rod (36) is longer than that of the limiting rod (31).
10. The mining cage roller cage shoe of claim 9, wherein: a dustproof shell (6) is arranged on one side face of the supporting frame (3), and a protective cover (38) is sleeved on one side face, far away from the supporting frame (3), of the dustproof shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410340191.XA CN117923286B (en) | 2024-03-25 | 2024-03-25 | Roller cage ear of mining cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410340191.XA CN117923286B (en) | 2024-03-25 | 2024-03-25 | Roller cage ear of mining cage |
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| CN117923286A true CN117923286A (en) | 2024-04-26 |
| CN117923286B CN117923286B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410340191.XA Active CN117923286B (en) | 2024-03-25 | 2024-03-25 | Roller cage ear of mining cage |
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| GB237390A (en) * | 1924-05-26 | 1925-07-30 | William James Lilly | Hoisting engine controls |
| CN2255971Y (en) * | 1995-12-12 | 1997-06-11 | 陈道升 | Automatic speed limiting and falling down preventer |
| CN105151942A (en) * | 2015-10-28 | 2015-12-16 | 中国矿业大学 | Cage-separating type miner safety protection device and method for vertical shaft lifter rope-breakage cage-crashing accident |
| US20160214834A1 (en) * | 2015-01-26 | 2016-07-28 | Kevin Cunningham | Elevator safety device |
| WO2017071080A1 (en) * | 2015-10-28 | 2017-05-04 | 中国矿业大学 | Miner safety protection device and method for vertical shaft elevator cage accident prevention |
| CN110304519A (en) * | 2019-06-27 | 2019-10-08 | 中国矿业大学 | A kind of tyre type rolling cage shoe and its automatic monitoring control method |
| CN113003364A (en) * | 2021-02-23 | 2021-06-22 | 美卓矿山安全设备（徐州）有限公司 | Cage with safety device |
| WO2022099774A1 (en) * | 2020-11-12 | 2022-05-19 | 苏州德拉乐电梯有限公司 | Safety car apparatus for elevator |
-
2024
- 2024-03-25 CN CN202410340191.XA patent/CN117923286B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB237390A (en) * | 1924-05-26 | 1925-07-30 | William James Lilly | Hoisting engine controls |
| CN2255971Y (en) * | 1995-12-12 | 1997-06-11 | 陈道升 | Automatic speed limiting and falling down preventer |
| US20160214834A1 (en) * | 2015-01-26 | 2016-07-28 | Kevin Cunningham | Elevator safety device |
| CN105151942A (en) * | 2015-10-28 | 2015-12-16 | 中国矿业大学 | Cage-separating type miner safety protection device and method for vertical shaft lifter rope-breakage cage-crashing accident |
| WO2017071080A1 (en) * | 2015-10-28 | 2017-05-04 | 中国矿业大学 | Miner safety protection device and method for vertical shaft elevator cage accident prevention |
| CN110304519A (en) * | 2019-06-27 | 2019-10-08 | 中国矿业大学 | A kind of tyre type rolling cage shoe and its automatic monitoring control method |
| WO2022099774A1 (en) * | 2020-11-12 | 2022-05-19 | 苏州德拉乐电梯有限公司 | Safety car apparatus for elevator |
| CN113003364A (en) * | 2021-02-23 | 2021-06-22 | 美卓矿山安全设备（徐州）有限公司 | Cage with safety device |
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|---|---|
| CN117923286B (en) | 2024-06-14 |
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