A single-rail bidirectional linkage device, a pusher device, a trolley, and a trolley-blocking method

Abstract

The present invention provides a single-rail two-way linkage device, a pusher device, a trolley, and a vehicle blocking method. The single-rail two-way linkage device includes a switch valve assembly and two pusher mechanisms. A cylinder barrel is provided between the two pusher mechanisms. A cylinder rod is provided in the cylinder barrel. The cylinder rod extends outward along the left and right ends of the cylinder barrel and is connected to the corresponding cylinder rod ear seats. The switch valve assembly is connected to the cylinder rod. Cylinder barrel return springs are provided at both ends of the cylinder rod. The two ends of the return spring act on the inner side surface of the corresponding cylinder rod ear seat and the corresponding cylinder barrel surface respectively. The present invention solves the deficiencies of one-way trolley pushing and fixed-point reversing of two-way trolley pushing, improves production efficiency, improves production safety, and meets various requirements in the production process. At the same time, the present invention can also be used as a single-rail two-way vehicle blocking device, making up for the deficiencies of one-way vehicle blockers, simplifying the structure of the vehicle blocker, achieving two-way vehicle blocking and preventing the blocked vehicle from moving, and preventing the hazards of rebound and vehicle slipping.

Description

Technical Field

[0001] The present invention belongs to the field of mechanical equipment, and particularly relates to a single-rail bidirectional linkage device, a pusher device, a trolley, and a trolley blocking method. Background Art

[0002] The inclined shafts and vertical shafts in mines are responsible for the transportation of all mine personnel, mine cars, materials, and equipment, which is an important link in mine production. The production safety and production efficiency at the wellheads and underground are important factors affecting mine production.

[0003] Currently, the main forms of pushers used at mine wellheads and bottom shafts are as follows: ① Unidirectional pusher, which can only push the mine car in one direction on the same track; ② Bidirectional fixed-point reversing trolley pusher, on the same track, the pusher trolley is equipped with two pushers in different pushing directions. According to the usage requirements, one-direction pusher is always in the erected state for pushing the trolley, and the pusher in the opposite direction is in the retracted state. When reverse pushing is required, the trolley needs to be driven to the fixed trolley reversing mechanism for reversing before it can push the trolley in the reverse direction. The existing trolley blockers are mainly unidirectional double-sided wheel-blocking trolley blockers, which can only prevent the vehicle from passing through the trolley blocker, cannot prevent the vehicle from moving backward after being blocked, and a set of trolley blockers can only block the vehicles in one direction from entering.

[0004] The defects of the current two types of pushers are as follows: ① The unidirectional pusher can only push the trolley in one direction, with great limitations in on-site use and unable to meet the production requirements of pushing and pulling as needed; ② The bidirectional trolley pusher that can be reversed through a fixed reversing device at a fixed point can meet the requirements of pushing and pulling in production, but the trolley needs to be driven to the fixed reversing mechanism for reversing before going to the required mine car for pushing, resulting in high costs for adding the reversing mechanism and long reversing time, which affects production efficiency; ③ Both types of pushers can only push the trolley and cannot control the vehicle speed and immediately stop the pushed vehicle, affecting production safety.

[0005] A two-way pusher and a two-way pushing method for a cage to enter and exit a mine car at one end, with the patent publication number CN108639919A. The pusher is provided with a pushing claw and a pulling claw on the pushing section near the front. One end of the spring assembly of the pushing claw is connected to the claw frame, and the other end is connected to the pushing section. Rolling bearings are symmetrically arranged on both sides of the lower part of the claw frame. The pulling claw and the pushing claw have the same structure and are oppositely arranged on the pushing section. An automatic lifting device is provided below the pusher. When the driving oil cylinder extends to lift the lifting block of the automatic lifting device, the rolling bearing of the pushing claw can contact the inclined surface of the lifting block. A fixed-point touch landing gear is provided below the front end of the pusher extending into the cage. In the patent with the publication number CN108639919A, the pushing claw can push the mine car into the cage; the pulling claw can pull the mine car in the cage out, but it can automatically fall when the pushing claw is pushing the car, without affecting the pushing operation of the pusher. Thus, the whole process improves the mine hoisting efficiency, reduces the labor intensity of workers, and ensures personal safety. However, it still needs fixed-point commutation and cannot commutate at any time, wasting production time. Summary of the Invention

[0006] In order to overcome the problems of high cost of the existing commutation mechanism, long commutation time affecting production efficiency and production safety, the present invention provides a single-rail two-way linkage device, a push head device, and a method for pushing and blocking vehicles. The present invention solves the deficiencies of one-way pushing and fixed-point commutation of two-way pushing, and at the same time makes the vehicle being pushed always in the middle of the push head during the pushing process, restricts the speed of the vehicle to stop at any time, and can push and pull the vehicle forward and backward at any time, improving production efficiency and production safety, and meeting various requirements in the production process. At the same time, the present invention can also be used as a two-way vehicle blocking device, making up for the deficiencies of the one-way vehicle stopper, simplifying the structure of the vehicle stopper, realizing two-way vehicle blocking and making the vehicle being blocked unable to move, preventing the hazards of rebound and vehicle slipping.

[0007] The technical solution adopted by the present invention is as follows:

[0008] A single-rail two-way linkage device includes a cylinder rod ear seat, a switch valve assembly, and two push head mechanisms. A cylinder barrel is arranged between the two push head mechanisms. A cylinder rod is arranged in the cylinder barrel. The cylinder rod extends outward along the left and right ends of the cylinder barrel and is connected to the corresponding cylinder rod ear seat. The switch valve assembly is connected to the cylinder rod. Cylinder barrel return springs are arranged at both ends of the cylinder rod. The two ends of the return spring act on the inner side surface of the corresponding cylinder rod ear seat and the corresponding cylinder barrel surface respectively.

[0009] The push head mechanism is of an integral or split type.

[0010] The described split push head mechanism includes an upper push head, a pin shaft, a lower push head, a bushing, and a support spring. The front and rear sides of the upper push head are hinged to the lower push head through the pin shaft, and the upper push head and the lower push head are elastically connected through the support spring. The upper push head is erected on the top of the lower push head through the support spring; the lower part of the lower push head is connected to the trolley frame of the trolley frame assembly through the push head shaft, and the upper middle part of the lower push head is connected to the shaft of the cylinder barrel through the bushing.

[0011] The two described push head mechanisms have the same structure and are symmetrically arranged. In the initial state, the upper push head is erected, and the end with the support spring is located inside the two push head mechanisms.

[0012] The interfaces at both ends of the cylinder rod are connected to the inlet and outlet of the switch valve assembly through Pipe 1 and Pipe 2; the left and right chambers of the cylinder barrel are communicated through two pipes and the switch valve assembly, and the on-off between the two chambers of the cylinder barrel is realized by controlling the switch of the switch valve assembly.

[0013] A single-rail two-way trolley push head device includes a trolley frame assembly and a wheel assembly. The wheel assembly is arranged at the lower end of the trolley frame assembly. Two push head mechanisms on the single-rail two-way linkage device are arranged on the trolley frame assembly. The cylinder rod ear seats on the single-rail two-way linkage device are arranged at the left and right ends of the trolley frame assembly. The switch valve assembly on the single-rail two-way linkage device is arranged on the trolley frame assembly.

[0014] A single-rail two-way trolley pushing method, the specific steps are as follows: The single-rail two-way trolley push head device operates, the axle of the mine car is clamped into the two push head mechanisms, and then the mine car is pushed or pulled to the required position. After reaching, the push head mechanism is separated from the mine car axle, and thus a trolley pushing is completed.

[0015] A single-rail two-way trolley pushing method, the specific steps are as follows:

[0016] 1. The push head trolley of the single-rail two-way trolley push head device enters from the left end

[0017] When the single-rail two-way trolley push head device moves to the mine car axle, the outer side of the upper push head of the push head mechanism at the left end collides with the axle, the upper push head falls inward and compresses the support spring. After the mine car axle enters the inner file of the push head mechanism at the left end, the push head mechanism at the left end resumes the erected state; at this time, the medium in the two chambers of the cylinder barrel cannot flow, and the cylinder barrel cannot slide, so that the push head mechanism connected to the cylinder barrel cannot move either. At this time, the mine car axle is blocked inside the two push head mechanisms, and the mine car can be pushed, pulled, braked, and speed-controlled;

[0018] After pushing the mine car to the position, control the switch valve assembly to make it in the open state. The media in the two chambers on both sides of the cylinder barrel can flow into each other through the connected passageways. The single-rail bidirectional trolley pusher head device moves left or right. The upper part of the pusher head of one of the pusher mechanisms squeezes against the mine car axle. The two pusher mechanisms are linked with the cylinder barrel and fall outward by compressing the cylinder barrel return spring, and the mine car axle disengages from the pusher mechanism; after disengaging from the pusher mechanism, it returns to the initial state under the action of the cylinder barrel return spring. At this time, control the switch valve group assembly to close, and one trolley pushing is completed.

[0019] Second, the pusher trolley of the single-rail bidirectional trolley pusher head device enters from the right end. Its entry method and the process of completing one trolley pushing are the same as those from the left end, but in the opposite direction.

[0020] A single-rail bidirectional car blocking method, the specific steps are: fix and install the single-rail bidirectional linkage device at the position where car blocking is required. When the mine car moves in place, the car axle is stuck into the two pusher mechanisms, and the mine car is blocked and stopped. After completion, 5 make the mine car axle disengage from the two pusher mechanisms, that is, one car blocking is completed, and cars in two directions can be blocked.

[0021] A single-rail bidirectional car blocking method, the specific steps are: when the single-rail bidirectional linkage device is used for bidirectional car blocking, fix the mine car to enter from the left end

[0022] First, when the mine car axle moves to the fixed bidirectional car blocking device, the outer side of the upper part of the pusher head on the right-end pusher mechanism collides with the axle. The upper part of this pusher head falls inward and compresses the support spring. After the mine car axle enters the inner slot of the right-end pusher mechanism, the right-end pusher mechanism returns to the upright state; at this time, the media in the two chambers of the cylinder barrel cannot flow, and the cylinder barrel cannot slide, so that the pusher mechanism connected to the cylinder barrel cannot move either. At this time, the mine car axle is blocked inside the two pusher mechanisms, and the mine car is blocked and stopped and cannot move back and forth;

[0023] When car blocking is completed and release is required, control the switch valve assembly to make it in the open state. The media in the two chambers on both sides of the cylinder barrel can flow into each other through the connected passageways. The single-rail bidirectional trolley pusher head device moves left or right. Its

[0024] The upper part of the pusher head of one of the pusher mechanisms squeezes against the mine car axle. The two pusher mechanisms are linked with the cylinder barrel and fall outward by compressing the cylinder barrel return spring, and the mine car axle disengages from the pusher mechanism; after disengaging from the pusher mechanism, it returns to the initial state under the action of the cylinder barrel return spring. At this time, control the switch valve group assembly to close, and one car blocking is completed.

[0025] 0Second, with the bidirectional car blocking device fixed, the mine car enters from the right end. Its entry method and the process of completing one trolley pushing are the same as those from the left end, but in the opposite direction.

[0026] The beneficial effects of the present invention:

[0027] In the present invention, the cylinder barrel is mounted on the cylinder rod and hinged to the push head mechanism through two pairs of mounting shafts outside the cylinder barrel;

[0028] It is used to guide and support the push head mechanism, and realizes the pushing and pulling action and the push head swinging function by the mutual exchange flow and rest of the media 5 in its left and right chambers according to the external force received by the push head mechanism; The upper part of the push head is an integral body and is hinged to the lower part of the push head on both sides through a pin shaft, and the upper and lower parts of the push head are elastically connected through a support spring. Under the action of the support spring, the upper part of the push head is kept upright at the top of the lower part of the push head, and is limited and supported with the lower part of the push head, and cannot fall backward relative to the lower part of the push head, and can only be compressed forward by the support spring under the action of an external force. After the external force is removed, the support spring quickly restores it to the upright state, ensuring that the upper part of the push head can only be pressed inward, effectively clamping the mine car axle between the two push head mechanisms, so as to push, pull, brake and control the speed of the mine car. It can be seen that the general car can be pushed and pulled to any position. The present invention realizes the effect of two-way pushing the car immediately, and further realizes pushing the car, reversing and terminating pushing the car at any time and anywhere, realizes that the pushed car and the pushing car keep walking in the same direction, achieves the control effect of the speed of the mine car during the pushing process, and at the same time realizes the effect of immediately braking the mine car, improves the safety of the production process, and improves the production efficiency.

[0029] In the present invention, through the linkage of the cylinder barrel and the two push head mechanisms, after being stressed, the two push head mechanisms simultaneously lie down outward, ensuring that the mine car axle can pass through the top of the push head mechanism after lying down, and quickly completing the pushing and pulling commutation.

[0030] The present invention solves the problems in the prior art of unidirectional pushing the car and the need for fixed-point commutation for bidirectional pushing the car, reduces the installation of auxiliary mechanisms, reduces the cost, realizes the controllable speed of the vehicle, can immediately stop the pushed vehicle at any position on the running track, prevents accidents of uncontrolled vehicles crashing into people or objects due to inertia or slope, improves the safety of mine production, and the function of immediately commuting saves commutation time and fixed-point commutation mechanisms, reduces costs, and improves production efficiency. At the same time, the present invention can be fixedly used as a two-way car arrester.

[0031] The following will be further described in conjunction with the drawings.

[0032] Brief Description of the Drawings Brief Description of the Drawings

[0033] Figure 1 It is a schematic structural diagram of the push head device for pushing the car of the single-rail bidirectional linkage device of the present invention.

[0034] Figure 2 It is a schematic diagram of the position state of the push head mechanism when the present invention is pushing the car.

[0035] Figure 3 It is a schematic diagram of the mine car axle entering the push head mechanism for pushing the car from right to left.

[0036] Figure 4 Schematic diagram of the axle of the mine car disengaging from the pusher head mechanism for pushing the car from left to right.

[0037] Figure 5 Schematic diagram of the mine car disengaging from the pusher head mechanism for pushing the car from right to left.

[0038] Figure 6 Schematic diagram of the position state of the pusher head mechanism when the pusher head mechanism is integral.

[0039] Figure 7 Schematic diagram of the mine car disengaging from the integral pusher head mechanism from right to left.

[0040] Figure 8 Schematic diagram of the mine car disengaging from the integral pusher head mechanism from left to right.

[0041] Figure 9 Schematic diagram of the position state of the pusher head mechanism of the single-rail two-way linkage device when blocking the car.

[0042] Figure 10 Schematic diagram of the axle of the mine car entering the pusher head mechanism for blocking the car from right to left.

[0043] Figure 11 Schematic diagram of the axle of the mine car entering the pusher head mechanism for blocking the car from left to right.

[0044] Figure 12 Schematic diagram of the mine car disengaging from the pusher head mechanism for blocking the car from right to left.

[0045] Figure 13 Schematic diagram of the mine car disengaging from the pusher head mechanism for blocking the car from left to right.

[0046] In the figure, the reference numerals are:

[0047] 1. Assembly of the car frame of the trolley; 2. Assembly of the wheels; 3. Cylinder rod ear seat; 4. Cylinder barrel return spring; 5. Cylinder rod; 6. Cylinder barrel; 7. Upper part of the pusher head; 8. Pin shaft; 9. Lower part of the pusher head; 10. Bushing; 11. Pusher head shaft; 12. Support spring; 13. Pipe 1; 14. Pipe 2; 15. Switch valve assembly. Specific embodiments

[0048] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0049] Various structural schematic diagrams according to the disclosed embodiments of the present invention are shown in the accompanying drawings. These figures are not drawn to scale, where for the purpose of clear expression, certain details are enlarged and certain details may be omitted. The shapes of various regions and layers shown in the figures, as well as their relative sizes and positional relationships, are merely exemplary and may deviate in actuality due to manufacturing tolerances or technical limitations. And those skilled in the art can additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0050] Embodiment 1:

[0051] In order to overcome the problems of high cost of the existing commutation mechanism, long commutation time affecting production efficiency and production safety, the present invention provides a single-rail two-way linkage device, a push head device, a trolley, and a vehicle blocking method. The present invention solves the deficiencies of one-way trolley pushing and two-way trolley pushing for fixed-point commutation. At the same time, during the trolley pushing process, the trolley being pushed is always in the middle of the push head, restricting the speed of the vehicle to stop at any time and push and pull the vehicle forward and backward at any time, improving production efficiency and production safety, and meeting various requirements in the production process. At the same time, the present invention can also be used as a two-way vehicle blocking device, making up for the deficiencies of the one-way vehicle arrester, simplifying the structure of the vehicle arrester, achieving two-way vehicle blocking and enabling the vehicle being blocked to be immovable, preventing the hazards of rebound and vehicle slipping.

[0052] A single-rail two-way linkage device includes a cylinder rod ear seat 3, a switch valve assembly 15, and two push head mechanisms. A cylinder barrel 6 is provided between the two push head mechanisms. A cylinder rod 5 is provided inside the cylinder barrel 6. The cylinder rod 5 extends outward along the left and right ends of the cylinder barrel 6 and is connected to the corresponding cylinder rod ear seat 3. The switch valve assembly 15 is connected to the cylinder rod 5. Cylinder barrel return springs 4 are provided at both ends of the cylinder rod 5, and both ends of the return spring 4 act on the inner side surface of the corresponding cylinder rod ear seat 3 and the corresponding cylinder barrel 6 surface respectively.

[0053] In the present invention, the switch valve assembly 15 is a on-off valve controlled by an explosion-proof electromagnet.

[0054] In the present invention, the cylinder barrel return springs 4 are installed on both sides of the cylinder rod 5 and act on the inner side surface of the cylinder rod ear seat 3 and the cylinder barrel 6 surface to keep the cylinder barrel 6 in the middle position of the lever during operation.

[0055] In the present invention, the cylinder rod 5 is installed on the cylinder rod ear seats 3 on both sides, and it is an integral rod with a piston in the middle, used to support the cylinder barrel 6, guide the cylinder barrel, limit the movement of the cylinder barrel, and transmit force.

[0056] In the present invention, the cylinder barrel 6 is installed on the cylinder rod 5 and is hinged to the push head mechanism through two pairs of mounting shafts outside the cylinder barrel 6; used to guide and support the push head mechanism, and realize the pushing and pulling action and the swinging function of the push head mechanism through the mutual exchange of media in the left and right chambers of itself and the state of rest according to the external force received on the push head mechanism.

[0057] Example 2:

[0058] Based on Example 1, in this embodiment, preferably, the push head mechanism is integral or split.

[0059] The split push head mechanism includes an upper push head 7, a pin shaft 8, a lower push head 9, a bushing 10 and a support spring 12. The front and rear sides of the upper push head 7 are hinged to the lower push head 9 through the pin shaft 8, and the upper push head 7 and the lower push head 9 are elastically connected through the support spring 12. The upper push head 7 is erected on the top of the lower push head 9 through the support spring 12; the lower part of the lower push head 9 is connected to the trolley frame of the trolley frame assembly 1 through a push head shaft 11, and the middle upper part of the lower push head 9 is connected to the shaft of the cylinder barrel 6 through a bushing 10.

[0060] The two push head mechanisms have the same structure and are symmetrically arranged. In the initial state, the upper push head 7 is erected, and the end with the support spring 12 is located inside the two push head mechanisms.

[0061] In the present invention, the function of the bushing 10 is to assist the lower push head 9 to rotate better, and ensure that the lower push head 9 rotates smoothly and is wear-resistant when rotating. In the present invention, the bushing 10 is preferably a copper bushing, a plastic bearing or a PTFE bushing. The bushing 10 is selected according to requirements.

[0062] Preferably, the upper push head 7 includes two side plates and a connecting plate. The side plates are trapezoidal in shape. The lower bottoms of the two side plates are connected through the connecting plate. Connecting lugs are provided on the upper bottoms of the side plates. The connecting lugs are connected to the upper ends of the support springs 12, and the lower ends of the support springs 12 are connected to the lower part of the lower push head 9; a pin hole is provided on the trapezoidal inclined side of the side plate close to the lower push head 9, and the upper part of the lower push head 9 is connected through this pin hole.

[0063] Preferably, a groove corresponding to the cylinder rod 5 is opened in the middle of the lower end of the connecting plate.

[0064] In the present invention, the upper push head 7 is an integral body and is hinged to the lower push head 9 on both sides through the pin shaft 8, and the upper and lower parts of the push head are elastically connected through the support spring 12. Under the action of the support spring 12, the upper push head 7 is erected on the top of the lower push head 9, and is limited and supported with the lower push head 9, and cannot fall backward relative to the lower push head 9, and can only be compressed forward by the support spring 12 under the action of an external force. After the external force is removed, the support spring 12 quickly restores it to the erected state.

[0065] Preferably, the lower push head 9 is two symmetrical plates. A vertical strip-shaped long hole is opened in the middle of the upper end of the plate. A pin hole is opened at the upper end of the plate for connecting the upper push head 7. A bolt hole is provided at the lower end of the plate for connecting the lower end of the support spring 12; the pin hole and the bolt hole are located on different sides of the vertical strip-shaped long hole of the plate.

[0066] In the present invention, the lower part 9 of the push head is composed of two symmetrical plates connected to the cylinder shaft with a bushing 10, and is connected to the trolley frame through the push head shaft 11; pipe one 13 and pipe two 14 are connected to the inlet and outlet of the switch valve assembly 15, and are connected to the interfaces at both ends of the cylinder rod 5, so that the two chambers of the cylinder are connected through the two pipes and the switch valve assembly 15, and the switch of the switch valve assembly 15 is controlled to realize the connection and disconnection between the two chambers of the cylinder. Since the volumes of the two chambers can be complementary in equal amounts, when the circuit is open, the media can flow to each other and the cylinder can move in the direction of the force under the action of external force. When the circuit is closed, the medium in the chamber is stationary and the cylinder cannot move.

[0067] Preferably, the two push head mechanisms are hinged via two pairs of mounting shafts outside the cylinder 6 .

[0068] In the present invention, the two pusher head mechanisms are fixed on the cylinder barrel 6 and are linked with the cylinder barrel 6. In the initial state, the top of the pusher head upper part 7 is higher than the center point of the mine car shaft. Under the impact pressure of the external force mine car shaft, the pusher head upper part 7 is compressed by the support spring 12, so that the mine car shaft slides into the two pusher head upper parts 7. After sliding in, the support spring 12 is reset, and the two pusher head mechanisms remain in the Figure 1 In the initial state, the upper parts 7 of the two push heads remain upright, and at this time, the mine car shaft will not slide out of the two push head mechanisms. In this state, the mine car can be moved left and right, effectively driving the mine car to the specified position. When reversing is required, the two push head mechanisms are tilted left and right by controlling the switch valve assembly 15. The push head mechanism tilts in the direction from which it is required to exit. The two push head mechanisms act at the same time, so that the mine car shaft comes out of the tilted push head mechanism, detaches from the push head mechanism, and completes a cart push. The outer diameter of the mine car shaft is smaller than the spacing between the two push head mechanisms. It is ensured that when pushing and pulling the mine car, the push head mechanism will not be damaged by the inertia of the mine car, and it is ensured that the service life of the entire monorail bidirectional cart push head device will not be affected. At the same time, the device adopts detachable connections between the various components. If a part of it is damaged, it can be replaced at any time, and the replacement is convenient.

[0069] The interfaces at both ends of the cylinder rod 5 are connected to the inlet and outlet of the switch valve assembly 15 through pipe 13 and pipe 2 14; the left and right chambers of the cylinder barrel 6 are connected to the switch valve assembly 15 through two pipes, and the connection and disconnection between the two chambers of the cylinder barrel 6 are achieved by controlling the switch of the switch valve assembly 15.

[0070] In the present invention, a wireless receiving module is provided on the switch valve assembly 15, and remote control can be performed. A battery is provided on the trolley frame assembly 1, and the battery is electrically connected to the switch valve assembly 15.

[0071] The present invention solves the problems in the prior art that unidirectional carts and bidirectional carts need to change directions at fixed points, reduces the installation of auxiliary mechanisms, and lowers the cost. At the same time, the present invention increases the restriction on the free sliding of the vehicle during carting, realizes controllable vehicle speed, can immediately stop the pushed vehicle at any position on the running track, prevents accidents of uncontrolled vehicles crashing into people or other vehicles due to inertia or slope, improves the safety of mine production, and the function of immediately changing directions saves the direction-changing time and the fixed-point direction-changing mechanism, reduces the cost, and improves the production efficiency.

[0072] Embodiment 3:

[0073] Based on Embodiment 1 or 2, in this embodiment, preferably, a single-rail bidirectional carting push head device is provided, which includes a trolley frame assembly 1 and a wheel assembly 2. The wheel assembly 2 is arranged at the lower end of the trolley frame assembly 1. Two push head mechanisms on the single-rail bidirectional linkage device are arranged on the trolley frame assembly 1. The cylinder rod ear seats 3 on the single-rail bidirectional linkage device are arranged at the left and right ends of the trolley frame assembly 1. The switch valve assembly 15 on the single-rail bidirectional linkage device is arranged on the trolley frame assembly 1.

[0074] In the present invention, the trolley frame assembly 1 is used to be connected in series with other trolleys of the carting machine, obtain power from the system, and serve as a carrier device. The wheel assembly 2 is installed on the trolley frame assembly 1 and is used for guiding and traveling. Both the trolley frame assembly 1 and the wheel assembly 2 are prior arts and will not be further described in the present invention. The switch valve assembly 15 is a prior art and will not be further described in the present invention.

[0075] In the present invention, the cylinder rod ear seat 3 is installed on the trolley frame assembly 1 and is used for the connection and fixation of the cylinder rod 5, transmitting the pushing and pulling force, so that the cylinder rod 5 remains in a fixed state and does not move.

[0076] A single-rail bidirectional carting method is provided in the present invention. The specific steps are as follows: The single-rail bidirectional carting push head device operates, clamps the axle of the mine car into the two push head mechanisms, then pushes or pulls the mine car to the required position, and after reaching the position, separates the push head mechanism from the mine car axle, thus completing one carting.

[0077] When the push head mechanism is a split type, the single-rail bidirectional carting method provided in the present invention has the following specific process:

[0078] 1. The push head trolley of the single-rail bidirectional carting push head device enters from the left end

[0079] When the pushing head device of the single-rail bidirectional trolley moves to the mine car axle, the outer side of the upper part 7 of the pushing head on the pushing head mechanism at the left end collides with the axle. The upper part 7 of the pushing head falls inward and compresses the support spring 12. After the mine car axle enters the inner part of the pushing head mechanism at the left end, the pushing head mechanism at the left end resumes its upright state. At this time, the media in the two chambers of the cylinder barrel 6 cannot flow, and the cylinder barrel 6 cannot slide, so that the pushing head mechanism connected to the cylinder barrel 6 cannot move either. At this time, the mine car axle is blocked inside the two pushing head mechanisms, and the mine car can be pushed, pulled, braked and speed-controlled.

[0080] After the mine car is pushed to the position, the control switch valve assembly 15 is controlled to be in the open state. The media in the two chambers on both sides of the cylinder barrel 6 can flow through the connected passages. The single-rail bidirectional trolley pushing head device moves left or right. The upper part 7 of the pushing head of one of the pushing head mechanisms squeezes the mine car axle. The two pushing head mechanisms are linked with the cylinder barrel 6 and fall outward by compressing the cylinder barrel return spring 4. The mine car axle disengages from the pushing head mechanism. After disengaging from the pushing head mechanism, it returns to the initial state under the action of the cylinder barrel return spring 4. At this time, the control switch valve group assembly 15 is closed, and one push of the trolley is completed.

[0081] Second, the pushing head trolley of the single-rail bidirectional trolley pushing head device enters from the right end. Its entry method and the process of completing one push of the trolley are the same as those from the left end, but in the opposite direction.

[0082] When the pushing head mechanism is an integral type, the two pushing head mechanisms can swing simultaneously. As shown in Figure 6 、 7 and 8, after the mine car axle touches one of the pushing head mechanisms, control the two pushing head mechanisms to swing to one side simultaneously, clamp the axle between the two pushing head mechanisms, and then push the corresponding axle to push the mine car to the required position. After completion, the two pushing head mechanisms fall in the reverse direction and withdraw the axle, completing one push of the trolley.

[0083] The working principle of the present invention is as follows:

[0084] The initial state of the switch valve assembly 15 is the closed state. The overall state is as shown in Figure 2 . In the case where the pushing head trolley of the single-rail bidirectional trolley pushing head device enters from the left end, when the present invention moves to the mine car axle, the outer side of the upper part 7 of the pushing head on the pushing head mechanism at the left end collides with the axle. The upper part 7 of the pushing head falls inward and compresses the support spring 12 as shown in Figure 3 . After the mine car axle enters the inner part of the pushing head mechanism at the left end, the pushing head mechanism at the left end resumes Figure 2 state. Since the media in the two chambers of the cylinder barrel 6 cannot flow, and the cylinder barrel 6 cannot slide, the pushing head mechanism connected to the cylinder barrel 6 cannot move either. At this time, the mine car axle is blocked inside the two pushing head mechanisms, and the mine car can be pushed, pulled, braked and speed-controlled.

[0085] After the ore car is pushed to the position, control the switch valve assembly 15 to make it in the open state. The media in the two chambers on both sides of the cylinder can flow through the connected passages. The cylinder barrel 6 can slide along the direction of the external force under the action of the external force, driving the entire pusher mechanism to swing. At this time, the pusher trolley moves outward, and the ore car remains stationary due to inertia. When the movement of the pusher trolley causes a force to act between the inner side of the pusher mechanism at the right end and the ore car axle, the pusher mechanism at the right end falls in the direction of the external force, and at the same time drives the oil cylinder to compress the cylinder barrel return spring 4 on the corresponding side as Figure 4 and Figure 5 shown. The ore car axle disengages from the pusher mechanism and returns to Figure 1 the original state under the action of the cylinder barrel return spring 4. At this time, control the switch valve group assembly 15 to close to complete one ore car pushing. The pusher trolley can enter from either side of the left or right end of the ore car, and the principle is the same.

[0086] In the present invention, the cylinder barrel 6 slides along the direction of the external force under the action of the external force, driving the entire pusher mechanism to swing. At this time, the pusher trolley of the single-rail two-way ore car pusher device moves outward, and the ore car remains stationary due to inertia. When the movement of the pusher trolley causes a force to act between the inner side of the pusher mechanism at the right end and the ore car axle, the pusher mechanism at the right end falls in the direction of the external force, and at the same time drives the oil cylinder to compress the cylinder barrel return spring 4 on the corresponding side, and the ore car axle disengages from the pusher mechanism; after disengaging from the pusher mechanism, it returns to the initial state under the action of the cylinder barrel return spring 4. At this time, control the switch valve group assembly 15 to close to complete one ore car pushing.

[0087] During the use of the present invention, the single-rail two-way ore car pusher device is connected in series in the ore car pusher, and the ore car pusher system drives the trolley to move forward and backward and provides the thrust required for ore car pushing. The following describes the specific implementation manner and process of this invention by completing one ore car pushing:

[0088] The normal state of the pusher device of the present invention is as Figure 2 shown. Both pusher mechanisms are in the upright state, the switch valve assembly 15 is in the normally closed state, and the loop formed by the cylinder rod 5, the cylinder barrel 6, the pipe one 13, the pipe two 14 and the switch valve assembly 15 is filled with a flowable medium in the cut-off state. At this time, under the action of the external force, the cylinder barrel 6 and the lower part 9 of the pusher cannot move because the flowable medium in the cut-off state is in two closed environments, and the medium 5 cannot be compressed or discharged, so that only pressure can be generated in the two chambers of the cylinder barrel and it cannot move. The ore car pusher system

[0089] drives the pusher device to move forward to the ore car axle and collide with the axle, as Figure 3As shown, the upper part 7 of the pusher head of the right pusher head mechanism is pressed down by the resistance of the mine car axle, the support spring 12 of the right pusher head mechanism is compressed, the mine car axle enters, and is blocked by the outer side of the upper part 7 of the pusher head of the left pusher head mechanism. The outer side of the upper part 7 of the right pusher head mechanism loses the external force, and the support spring 12 in the compressed state restores to the upright state. At this time, the mine car axle is blocked by the two opposite upper parts 7 of the left and right sides and cannot be disengaged.

[0090] Push the mine car forward or backward according to the need. When pushing the car, the pushing speed of the mine car and the braking of the mine car can be adjusted in real time (the same principle applies when the pusher system moves backward to push the mine car behind). After pushing the mine car to the position, control the switch valve assembly 15 to make it in the open state. At this time, the flow of the medium in the two chambers on both sides of the cylinder barrel 6 that was originally in the cut-off state

[0091] is connected. Under the action of the external force, it can flow into the side where the cylinder chamber of the cylinder barrel 6 increases by an equal amount from the side where the oil cylinder chamber of the cylinder barrel 6 decreases. In this state, the pusher head device provided by the present invention moves backward. As Figure 4 shown, the inner side of the upper part 7 of the pusher head of the right

[0092] pusher head mechanism is subjected to the axle resistance, driving the lower part 9 of the pusher head of the right pusher head mechanism to push the cylinder barrel 6 to move to the right. The upper part 7 and the lower part 9 of the pusher head rotate to the right around the pusher head shaft 11 at the same time. The cylinder barrel return spring 4 on the right side is compressed, and the pusher head mechanism is disengaged from the mine car axle. After the upper part 7 of the pusher head of the right pusher head mechanism loses the resistance of the mine car axle, it is pushed by the compressed cylinder barrel return spring 4 on the right side to move the cylinder barrel 0 6 to the left until

[0093] the state shown. Remove the control of the switch valve assembly 15, and the switch valve assembly 15 restores Figure 2 to the normally closed state.

[0094] The present invention solves the deficiencies of one-way pushing and two-way pushing fixed-point commutation. At the same time, during the pushing process, the pushed car is always in the middle of the pusher head, restricting the speed of the vehicle to stop at any time and push forward or pull backward at any time,

[0095] improving the production efficiency, improving the production safety, and meeting various requirements in the production process.

[0096] In the present invention,

[0097] as shown, the mine car disengages from the pusher head from right to left, and the process is the same as Figure 5 shown, completing one push of the car. The specific process is that the pusher head device provided by the present invention operates to clamp the mine car axle into the pusher head mechanism. After operating the pusher head device to push the mine car to the designated position, control the operation of the pusher head device to disengage it from the in-place mine car axle, that is, complete one push of the car. Figure 4 shown, completing one push of the car. The specific process is that the pusher head device provided by the present invention operates to clamp the mine car axle into the pusher head mechanism. After operating the pusher head device to push the mine car to the designated position, control the operation of the pusher head device to disengage it from the in-place mine car axle, that is, complete one push of the car.

[0098] The present invention effectively solves the defect that the existing one-way trolley and two-way trolley need to fix the position to change the direction of the push head, realizes the effect of immediately performing two-way trolley pushing, and further realizes pushing, changing direction and terminating trolley pushing at any time and anywhere. It realizes that the pushed trolley and the pushing trolley keep walking in the same direction, achieves the control effect of the speed of the mine car during the trolley pushing process, and at the same time realizes the effect of immediately braking the mine car, improves the safety of the production process and improves the production efficiency.

[0099] Embodiment 4:

[0100] Based on Embodiment 1 or 2, preferably, a single-rail two-way car blocking method is provided in this embodiment. The specific steps are as follows: The single-rail two-way linkage device is fixedly installed at the position where car blocking is required. When the mine car moves in place, the axle is clamped into the two push head mechanisms, and the mine car is blocked and stopped. After completion, the mine car axle is disengaged from the two push head mechanisms, that is, a car blocking is completed, and cars in two directions can be blocked.

[0101] In the present invention, as Figure 9 、 10 shown in 11, 12, and 13, when the push head mechanism is split, a single-rail two-way car blocking method, the specific steps are as follows: When the single-rail two-way linkage device is used for two-way car blocking, the fixed mine car enters from the left end

[0102] 1. When the mine car axle moves to the fixed two-way car blocking device, the outer side of the upper part 7 of the push head on the right-end push head mechanism collides with the axle, and the upper part 7 of the push head falls inward and compresses the support spring 12. After the mine car axle enters the inner file of the right-end push head mechanism, the right-end push head mechanism returns to the upright state; at this time, the media in the two chambers of the cylinder barrel 6 cannot flow, and the cylinder barrel 6 cannot slide, so that the push head mechanism connected to the cylinder barrel 6 cannot move either. At this time, the mine car axle is blocked inside the two push head mechanisms, and the mine car is blocked and stopped and cannot move forward or backward;

[0103] When the car blocking is completed and release is required, the control switch valve assembly 15 is controlled to be in the open state. The media in the two chambers on both sides of the cylinder barrel 6 can flow through the connected passages. The single-rail two-way trolley push head device moves left or right. The upper part 7 of the push head of one of the push head mechanisms squeezes the mine car axle, and the two push head mechanisms are linked with the cylinder barrel 6 and fall outward by compressing the cylinder return spring 4, and the mine car axle disengages from the push head mechanism; after disengaging from the push head mechanism, it returns to the initial state under the action of the cylinder return spring 4. At this time, the control switch valve group assembly 15 is closed, and a car blocking is completed;

[0104] 2. The two-way car blocking device is fixed, and the mine car enters from the right end. Its entry method and the process of completing a single trolley push are the same as those from the left end, but in the opposite direction.

[0105] When the pusher mechanism is an integral type, the two pusher mechanisms can swing simultaneously. After the axle of the mine car touches one of the pusher mechanisms, control the two pusher mechanisms to swing to one side simultaneously, and clamp the axle between the two pusher mechanisms to complete one vehicle blocking operation.

[0106] As Figures 9 - 13 In [a certain reference], the single-rail two-way linkage device is installed on the support and used as a single-rail two-way vehicle blocking device. The support is fixed on the ground at the location of the mine car to be blocked, and its height is set according to the height requirement of the axle of the mine car, ensuring that after the single-rail two-way linkage device is installed on the support, the highest point of the pusher mechanism on the single-rail two-way linkage device is higher than the center position of the axle, and ensuring that after the pusher mechanism lies down, the axle can enter between the two pusher mechanisms.

[0107] The present invention solves the deficiencies of one-way cart pushing and two-way cart pushing with fixed-point commutation. At the same time, during the cart pushing process, the cart being pushed is always in the middle of the pusher, restricting the speed of the vehicle to stop at any time, and pushing and pulling the cart forward and backward at any time, improving production efficiency, production safety, and meeting various requirements during the production process. At the same time, the present invention can also be used as a single-rail two-way vehicle blocking device, making up for the deficiencies of one-way vehicle blocking devices, simplifying the structure of the vehicle blocking device, achieving two-way vehicle blocking and enabling the blocked vehicle to be immobile, preventing the hazards of rebound and vehicle slipping.

[0108] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0109] It should also be understood that the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are intended to include the plural forms.

[0110] The above examples are only illustrative of the present invention and do not constitute a limitation on the protection scope of the present invention. Any design identical or similar to the present invention falls within the protection scope of the present invention. The device structures and method steps not described in detail in the present invention are prior arts and will not be further described in the present invention.

Claims

1. A monorail bidirectional linkage device, characterized in that: It includes a cylinder rod ear seat (3), a switching valve assembly (15) and two push head mechanisms. A cylinder barrel (6) is arranged between the two push head mechanisms. A cylinder rod (5) is arranged inside the cylinder barrel (6). The cylinder rod (5) extends outward along the left and right ends of the cylinder barrel (6) and is connected to the corresponding cylinder rod ear seat (3). The switching valve assembly (15) is connected to the cylinder rod (5). Cylinder barrel return springs (4) are arranged at both ends of the cylinder rod (5). The two ends of the cylinder barrel return springs (4) act on the inner side of the corresponding cylinder rod ear seat (3) and the corresponding cylinder barrel (6) surface respectively; The push head mechanism is of a split type; The split push head mechanism includes an upper push head (7), a pin shaft (8), a lower push head (9), a bushing (10) and a support spring (12). The front and rear sides of the upper push head (7) are hinged to the lower push head (9) through the pin shaft (8), and the upper push head (7) and the lower push head (9) are elastically connected through the support spring (12). The upper push head (7) is erected on the top of the lower push head (9) through the support spring (12); The lower part of the lower push head (9) is connected to the trolley frame of the trolley frame assembly (1) through a push head shaft (11). The upper middle part of the lower push head (9) is connected to the shaft of the cylinder barrel (6) through a bushing (10); The interfaces at both ends of the cylinder rod (5) are connected to the inlets and outlets of the switching valve assembly (15) through a pipe one (13) and a pipe two (14); The left and right chambers of the cylinder barrel (6) are communicated with the switching valve assembly (15) through two pipes. The on-off between the two chambers of the cylinder barrel (6) is realized by controlling the switch of the switching valve assembly (15).

2. The single-rail bidirectional linkage device according to claim 1, wherein: The two push head mechanisms have the same structure and are symmetrically arranged. In the initial state, the upper push head (7) is erected, and the end with the support spring (12) is located inside the two push head mechanisms.

3. A single-rail two-way trolley push head device, comprising a trolley frame assembly (1) and a wheel assembly (2), the wheel assembly (2) being arranged at the lower end of the trolley frame assembly (1), characterized in that: It includes the single-rail bidirectional linkage device according to any one of claims 1-2. The two push head mechanisms are arranged on the trolley frame assembly (1). The cylinder rod ear seats (3) are arranged at the left and right ends of the trolley frame assembly (1). The switching valve assembly (15) is arranged on the trolley frame assembly (1).

4. A single-rail two-way trolley method using the single-rail two-way trolley push head device described in claim 3, characterized in that: The specific steps are as follows: The single-rail bidirectional trolley push head device operates. The axle of the mine car is clamped into the two push head mechanisms, and then the mine car is pushed or pulled to the required position. After reaching the position, the push head mechanism is separated from the mine car axle, and one push of the trolley is completed.

5. A single-rail two-way trolley method according to claim 4, characterized in that: The specific steps are as follows:

1. The push head trolley of the single-rail bidirectional trolley push head device enters from the left end When the single-rail bidirectional trolley push head device moves to the mine car axle, the outer side of the upper push head (7) on the right-end push head mechanism collides with the mine car axle. The upper push head (7) falls inward and compresses the support spring (12). After the mine car axle enters the right-end push head mechanism, the right-end push head mechanism returns to the erected state; At this time, the medium in the two chambers of the cylinder barrel (6) cannot flow, and the cylinder barrel (6) cannot slide, so that the push head mechanism connected to the cylinder barrel (6) cannot move either. At this time, the mine car axle is blocked inside the two push head mechanisms, and the mine car can be pushed, pulled, braked and speed-controlled; After the mine car is pushed to the position, control the switch valve assembly (15) to make it in the open state. The media in the two chambers on both sides of the cylinder barrel (6) can flow into each other through the connected passages. The single-rail two-way trolley pusher head device moves left or right. The upper part (7) of the pusher head of one of the pusher head mechanisms presses against the mine car axle. The two pusher head mechanisms are linked with the cylinder barrel (6) and fall outward by compressing the cylinder barrel return spring (4), and the mine car axle disengages from the pusher head mechanism; after the mine car axle disengages from the pusher head mechanism, the two pusher head mechanisms return to the initial state under the action of the cylinder barrel return spring (4). At this time, control the switch valve group assembly (15) to close, and one trolley pushing is completed. II. The pusher trolley of the single-rail two-way trolley pusher head device enters from the right end. Its entry method and the process of completing one trolley pushing are the same as those from the left end, but in the opposite direction.

6. A single-rail two-way blocking method for a vehicle using the single-rail two-way linkage device according to any one of claims 1-2, characterized in that: The specific steps are as follows: Fix the single-rail two-way linkage device at the position where the mine car needs to be blocked. When the mine car moves in place, the mine car axle is clamped into the two pusher head mechanisms, and the mine car is blocked and stopped. After completion, make the mine car axle disengage from the two pusher head mechanisms, that is, one blocking is completed, and the mine cars in both directions can be blocked.

7. A single-track two-way vehicle blocking method according to claim 6, characterized in that: The specific steps are as follows: When the single-rail two-way linkage device is used for two-way blocking, fix the mine car to enter from the left end. I. When the mine car axle moves to the fixed two-way blocking device, the outer side of the upper part (7) of the pusher head on the left pusher head mechanism collides with the mine car axle. The upper part (7) falls inward and compresses the support spring (12). After the mine car axle enters the left pusher head mechanism, the left pusher head mechanism returns to the upright state; at this time, the media in the two chambers of the cylinder barrel (6) cannot flow, and the cylinder barrel (6) cannot slide, so that the pusher head mechanism connected to the cylinder barrel (6) cannot move either. At this time, the mine car axle is blocked inside the two pusher head mechanisms, and the mine car is blocked and stopped and cannot move forward or backward. When it is necessary to release the mine car after the blocking is completed, control the switch valve assembly (15) to make it in the open state. The media in the two chambers on both sides of the cylinder barrel (6) can flow into each other through the connected passages. The single-rail two-way trolley pusher head device moves left or right. The upper part (7) of the pusher head of one of the pusher head mechanisms presses against the mine car axle. The two pusher head mechanisms are linked with the cylinder barrel (6) and fall outward by compressing the cylinder barrel return spring (4), and the mine car axle disengages from the pusher head mechanism; after the mine car axle disengages from the pusher head mechanism, the two pusher head mechanisms return to the initial state under the action of the cylinder barrel return spring (4). At this time, control the switch valve group assembly (15) to close, and one blocking is completed. II. The two-way blocking device is fixed, and the mine car enters from the right end. Its entry method and the process of completing one trolley pushing are the same as those from the left end, but in the opposite direction.

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