Automatic hoisting system and automatic hoisting method of mining auxiliary transportation monorail crane

Abstract

The invention belongs to the technical field of coal mine auxiliary transportation, and discloses an automatic hoisting system and an automatic hoisting method for a mining auxiliary transportation monorail crane, the automatic hoisting system comprises an electric control monitoring system, a container type mine car and a lock control lifting appliance, top connecting blocks are arranged at four corners of the top of the container type mine car; the lock control lifting appliance comprises a lifting appliance frame body, a spin lock mechanism and a power mechanism, the spin lock mechanism corresponds to the top connecting block in position, and the power mechanism is used for driving the spin lock mechanism to rotate in the top connecting block; the electric control monitoring system comprises a control box, an induction pin and a sensor assembly, and the induction pin is arranged at the butt joint of the lock control lifting appliance and the container type mine car; the sensor assembly comprises an unlocking position in-place sensor, a padlock position in-place sensor and a lifting appliance in-place sensor, wherein the unlocking position in-place sensor and the padlock position in-place sensor are used for detecting the working state of the spin lock mechanism; according to the invention, automation, standardization and unmanned hoisting of the monorail crane are realized, and the transportation efficiency and safety are greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine auxiliary transportation, and in particular relates to an automatic hoisting system and an automatic hoisting method for a mine auxiliary transportation monorail crane. Background Art

[0002] In the field of coal mine transportation, auxiliary transportation includes rail transportation, monorail crane transportation and trackless rubber-wheeled vehicle transportation. At present, coal mine monorail crane transportation uses different lifting beams and hanging methods to meet the lifting needs of different types of mine cars. There are some problems with the traditional mining monorail crane mine car lifting method, such as cumbersome operation, low safety, poor reliability, etc. Specifically, traditional hoists usually require manual operation of multiple steps to complete the lifting of the mine car. For example, when connecting the lifting beam and the mine car, workers need to manually wrap the chain on the lifting beam to the appropriate position of the mine car, and then fix it by tightening the bolts or other mechanical methods, so that the mine car can be properly tied to the lifting beam before it can be lifted. This process is not only time-consuming and laborious, but also requires workers to have certain operating skills and experience. During disassembly, it is also necessary to manually untie the chain and wrap the chain around the appropriate position of the lifting beam, which not only increases the labor intensity of the workers, but also reduces work efficiency. Manual operation requires personnel to be close, and there are also safety risks in the binding and lifting process, and human errors are prone to occur, affecting the lifting efficiency and safety.

[0003] There are many types of mine cars, and there are also obvious differences in size. In the case of pure ground rail transportation, the mine car only needs to meet the requirements of the laid track to realize the transportation function. However, when it comes to transportation in combination with a monorail crane, different types of mine cars are often difficult to meet the use requirements of the monorail crane. The types of mine cars include ordinary box mine cars, flat mine cars, flower fence cars, etc. of various sizes. The connection between these mine cars and the lifting beam of the monorail crane is usually in the form of steel cable bundling, and the bundling method needs to be specifically adjusted according to different mine cars. The process is extremely cumbersome and inefficient. Both bundling and lifting operations require the collaboration of multiple people, which not only leads to a huge workload, but also easily causes accidents due to unreasonable bundling. In addition, the lifting and unloading processes are all participated by people, which poses a great safety hazard and is very likely to cause casualties. It is difficult to adapt to the standardized operation requirements of the monorail crane in daily transportation, which in turn has a negative impact on transportation efficiency and ultimately affects the production efficiency of the entire coal mine. At the same time, the defects of the current mode of transportation are also contrary to the requirements of the intelligent development of coal mines, and are not conducive to the smooth implementation of intelligent, unmanned and efficient work.

[0004] With the continuous development of the coal mining industry, the requirements for transportation efficiency and safety are increasing day by day. Many defects existing in the above-mentioned monorail crane transportation, loading and unloading and lifting need to be solved urgently. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic hoisting system and an automatic hoisting method for a mining auxiliary transport monorail crane, so as to solve the problems of complicated operation, low safety, poor reliability and low efficiency existing in the traditional mining monorail crane mining car hoisting method.

[0006] The technical solution adopted by the present invention is an automatic lifting system for a mining auxiliary transportation monorail crane, including an electric control monitoring system, a container-type mine car and a lock-controlled hoist. The top connecting blocks are arranged at the four corners of the top of the container-type mine car. The lock-controlled hoist includes a hoist frame, a rotary lock mechanism and a power mechanism. The rotary lock mechanism is arranged at the four corners of the hoist frame, and the position of the rotary lock mechanism corresponds to the position of the top connecting block. The power mechanism is used to drive the rotary lock mechanism to rotate in the top connecting block; the electric control monitoring system includes a control box, an induction pin and a sensor assembly. The control box is installed on a monorail crane locomotive, and the induction pin is arranged at the docking point between the lock-controlled hoist and the container-type mine car. The sensor assembly and the power mechanism are respectively communicated with the control box, and the sensor assembly includes an unlock position in place sensor and a padlock position in place sensor for detecting the working state of the rotary lock mechanism, and a hoist in place sensor for detecting the position state of the induction pin.

[0007] Preferably, the rotary lock mechanism includes a sling lock head, a sling lock sleeve, a sliding sleeve, a drive handle and a drive connecting shaft. The sling lock head can be rotatably inserted into the sling lock sleeve and the sliding sleeve. The sliding sleeve is fixedly connected to the sling frame. One end of the drive handle is fixedly connected to the sling lock head, and the other end is connected to the drive connecting shaft.

[0008] Preferably, the unlocking position sensor and the padlocking position sensor are used to detect the end surface position state of the driving connection shaft.

[0009] Preferably, the power mechanism includes a hydraulic cylinder, a cylinder rod head, a connecting rod, and a hydraulic explosion-proof solenoid valve, the hydraulic explosion-proof solenoid valve is connected to the hydraulic cylinder, the cylinder rod head is slidably arranged in the hydraulic cylinder, and the cylinder rod head is hingedly connected to the driving connecting shaft through the connecting rod.

[0010] Preferably, the hydraulic explosion-proof solenoid valve is communicatively connected to a control box.

[0011] Preferably, the automatic hoisting system of the mining auxiliary transport monorail crane can be operated automatically, semi-automatically or manually.

[0012] Preferably, the induction pins are located on the hanger frame, and the induction pins are arranged at the four corners of the hanger frame.

[0013] Preferably, the container-type mining car further comprises a container and a flatbed mining car, the flatbed mining car is detachably arranged at the bottom of the container, the container comprises a box body and a box door, and the box door is hingedly connected to the left and right sides of the box body.

[0014] Preferably, the flatbed mine car and the container are detachably connected via a connecting lock, and bottom connecting blocks are provided at the four corners of the bottom of the box body. The flatbed mine car is provided with connecting holes corresponding to the positions of the bottom connecting blocks, and the connecting lock is arranged in the connecting hole and the bottom connecting block. The connecting lock comprises a locking head, a locking sleeve, a rotating handle, a locking nut and a locking block. The locking head is inserted into the locking sleeve and is rotatably connected to the locking sleeve. The rotating handle is fixedly connected to the locking head, and the locking nut is arranged at the tail end of the locking head. The locking block is fixed to the outer surface of the locking sleeve. The locking head can be inserted into or detached from the connecting hole only when the placement directions of the locking head and the connecting hole are consistent.

[0015] The present invention also provides an automatic hoisting method for a mining auxiliary transport monorail crane, comprising the following steps: S1. Lock-controlled sling hangs container mine car: After the container mine car reaches the lifting position, the electric control monitoring system controls the monorail lifting beam to lower the lock-controlled sling until the induction pin is lifted up. At this time, the sling frame is completely in contact with the container mine car, and the sling in place sensor transmits a signal to the electric control monitoring system. The electric control monitoring system controls the rotary lock mechanism to rotate in the top connection block, and the padlock position in place sensor transmits a signal to the electric control monitoring system. It is determined that the hanging is completed, and the electric control monitoring system controls the monorail lifting beam to lift the lock-controlled sling to complete the hanging process; S2. The lock-controlled sling releases the containerized mine car: the electronic control monitoring system controls the monorail to lift the lifting beam and lower the lock-controlled sling, so that the containerized mine car falls into the track below. The electronic control monitoring system controls the rotary lock mechanism to rotate in the top connecting block, and the lock-controlled sling and the containerized mine car are unlocked. The unlocking position sensor transmits a signal to the electronic control monitoring system, which determines that the connection is disconnected. The electronic control monitoring system controls the monorail to lift the lifting beam and lift the lock-controlled sling, and the lock-controlled sling and the containerized mine car are separated.

[0016] The beneficial effects of the present invention are: The automatic hoisting system of the mining auxiliary transportation monorail crane of the present invention effectively solves the problem that the monorail crane needs direct human intervention in lifting the trailer of the mine car and unloading and lowering the car, realizes the automation and standardization of the monorail crane hoisting process, and completely changes the current situation of personnel approaching and using steel cables to tie up the mine car through special lock-controlled hoisting equipment and matching standard container-type mine cars, avoids the safety risks of bundling, realizes fast and automatic hoisting, meets the requirements of reducing staff and increasing efficiency, avoids the risk of casualties and economic losses, and effectively improves the efficiency of production and transportation under the use of standard processes and automated fast hoisting, thereby improving economic benefits, and promotes the intelligent development of monorail crane-assisted transportation while realizing standardization, automation and unmanned operations, and has great economic benefits and development prospects.

[0017] The present invention realizes the automatic lifting of the monorail crane through a special lock-controlled sling and a matching standardized container-type mine car, in cooperation with an electric control monitoring system, thereby completing the overall operation of the lock-controlled sling and the automatic lifting system of the container-type mine car. When releasing the mine car, it can be easily unlocked by issuing a command through the electric control monitoring system, which subverts the complicated disassembly operation of the traditional sling. Through the simple operation method, it not only reduces the labor intensity of the workers, but also significantly improves the efficiency of the lifting operation, so that the mine production can be carried out more efficiently. Through the induction pin and sensor assembly, the unlocking state and padlocking state of the rotary lock mechanism, as well as the connection state between the sling frame and the container can be accurately monitored, achieving a safer and more reliable connection, shortening the operation time of the automatic locking and unlocking functions, better realizing intelligence and greatly improving production efficiency.

[0018] The lock-controlled lifting device of the present invention is connected safely and reliably with the matching standardized container-type mining car, which effectively improves safety. The automatic locking and unlocking functions shorten the operation time, better realize intelligence, and improve production efficiency. Standardized equipment and operation procedures are more conducive to the realization of comprehensive intelligent upgrades, laying a solid foundation for the grand blueprint of realizing intelligent and efficient coal mine monorail crane transportation.

[0019] The present invention replaces the original box-type mine car with a standard container-type mine car, effectively solving the problem that different types of mine cars are difficult to adapt to the use requirements of the monorail crane. After the container door is opened, it becomes a standard fence car suitable for the monorail crane. After the container is removed, the flatbed mine car can also be used alone on the track as a flatbed mine car. It can flexibly convert the use form and has multiple functions. It reduces the negative impact on transportation efficiency caused by the variety of mine car types and sizes, realizes unified management, makes it more adaptable to the standardized operation requirements in the daily transportation of the monorail crane, meets the needs of transporting different materials and realizes the diversified use of vehicles, thereby improving the utilization rate and use value of the vehicle and realizing the improvement of economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the mine lock-controlled lifting device and the automatic lifting system of the container mine car of the present invention.

[0021] Figure 2 It is a schematic structural diagram of the container-type mining car of the present invention.

[0022] Figure 3 It is a partial cross-sectional view of the container-type mining car of the present invention.

[0023] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0024] Figure 5 It is a top view of the locking and controlling hanger of the present invention.

[0025] Figure 6 It is a cross-sectional view of the locking and controlling hanger of the present invention.

[0026] Figure 7 It is a cross-sectional view of the rotary lock mechanism of the present invention.

[0027] Figure 8 It is a three-dimensional diagram of the rotary lock mechanism of the present invention.

[0028] Fig. 9 It is a schematic diagram of the connection structure between the rotary lock mechanism and the power mechanism of the present invention.

[0029] Fig.10 Schematic diagram of the electronic control monitoring system of the present invention.

[0030] Figure numerals: 1. container; 11. box body; 12. box door; 131. top connecting block; 132. bottom connecting block; 2. flatbed mining car; 21. connecting hole; 22. car plate; 23. wheel; 3. connecting lock; 31. locking head; 32. locking sleeve; 33. rotating handle; 34. locking nut; 35. locking block; 4. sling frame; 5. rotary lock mechanism; 51. sling lock head; 52. sling lock sleeve; 53. sliding sleeve; 54. driving handle; 55. driving connecting shaft; 56. sling nut; 6. power mechanism; 61. hydraulic cylinder; 62. cylinder rod head; 63. connecting rod; 65. hydraulic explosion-proof solenoid valve; 7. induction pin. DETAILED DESCRIPTION

[0031] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Example 1 like Figure 1As shown, the automatic lifting system of the mining auxiliary transportation monorail crane of the present invention includes an electric control monitoring system, a container-type mine car and a lock-controlled hoisting device, and the top connecting blocks 131 are arranged at the four corners of the top of the container-type mine car. The lock-controlled hoisting device includes a hoist frame 4, a rotary lock mechanism 5 and a power mechanism 6. The rotary lock mechanism 5 is arranged at the four corners of the hoist frame 4, and the rotary lock mechanism 5 corresponds to the position of the top connecting block 131. The power mechanism 6 is used to drive the rotary lock mechanism 5 to rotate in the top connecting block 131; the electric control monitoring system includes a control box, an induction pin 7 and a sensor assembly, and the control box is installed on the monorail crane locomotive, and the induction pin 7 is arranged at the docking point between the lock-controlled hoist and the container-type mine car, and the sensor assembly and the power mechanism 6 are respectively communicated with the control box, and the sensor assembly includes an unlock position in place sensor and a padlock position in place sensor for detecting the working state of the rotary lock mechanism 5, and a hoist in place sensor for detecting the position state of the induction pin 7.

[0033] Example 2 On the basis of Example 1, Figure 2 As shown, the container-type mining car includes a container 1, a flatbed mining car 2, and a connecting lock 3. The container 1 is a rectangular shaped receiving cavity with an opening at the top. The container 1 serves as a bearing base when in use. The container 1 includes a box body 11 and a box door 12 at both ends of the box body, and the box body 11 and the box door 12 are connected by hinges. Bottom connecting blocks 132 are provided at the four corners of the bottom of the box body 11. The connecting lock 3 is provided in the bottom connecting block 132.

[0034] like Figure 4 As shown, the connecting lock 3 includes a locking head 31, a locking sleeve 32, a rotating handle 33, a locking nut 34 and a locking block 35. The locking head 31 is inserted into the locking sleeve 32 and is rotatably connected to the locking sleeve 32. The rotating handle 33 is fixedly connected to the locking head 31. The locking nut 34 is arranged at the rear end of the locking head 31. The rotating handle 33 is arranged between the locking sleeve 32 and the locking nut 34. The locking block 35 is fixed to the outer surface of the locking sleeve 32.

[0035] In this embodiment, the head portion of the upper end of the lock head 31 is a tetrahedron with a pyramidal structure, wherein the lower surface and two opposite side surfaces are planes, and the remaining side surfaces are conical surfaces.

[0036] The top connection block 131 and the bottom connection block 132 are both rectangular corner pieces, with a notch formed at the top of the top connection block 131 and a notch formed at the bottom of the bottom connection block 132. Optionally, the notch is rectangular, approximately rectangular or irregularly shaped, and the lock head 31 can be inserted into or removed from the notch only when the direction of placement of the notch is consistent with that of the notch. In this embodiment, the notch is rectangular.

[0037] A connecting hole 21 corresponding to the position of the bottom connecting block 132 is provided on the flatbed mining car 2, and the connecting lock 3 is detachably inserted into the bottom connecting block 132 and the connecting hole 21.

[0038] like Figure 3 As shown, the flatbed mining car 2 includes a car plate 22 and a wheel 23, the wheel 23 is arranged at the bottom of the car plate 22, and a connecting hole 21 is opened on the car plate 22. There are four connecting holes 21, and the positions correspond to the positions of the four bottom connecting blocks 132. The shape of the connecting hole 21 is rectangular, approximately rectangular or irregular. Correspondingly, the vertical projection shape of the lock head 31 is rectangular, approximately rectangular or irregular, and the lock head 31 can only be inserted into or out of the connecting hole 21 when the placement direction is consistent with that of the connecting hole 21.

[0039] The connecting lock 3 connects or separates the container 1 and the flatbed mine car 2 by rotating. The specific operation process is: the direction of the lock head 31 is placed in line with the direction of the connecting hole 21, the lock head 31 is inserted into the connecting hole 21 and the bottom connecting block 132, and the rotating handle 33 in the connecting lock 3 is rotated 90°. At this time, the lock head 31 is also rotated 90°. The lock head 31 and the lock block 35 are respectively stuck in the notch of the bottom connecting block 132 and the lower surface of the car plate 22 of the flatbed mine car 2. The four connecting locks 3 firmly lock the four corners of the container 1 on the flatbed mine car 2.

[0040] The assembly method of the container-type mine car is as follows: first, place the container 1 on the flatbed mine car 2, and align the bottom connecting block 132 and the connecting hole 21, insert the connecting locks 3 into the bottom connecting block 132 of the box body 11 one by one from the bottom of the flatbed mine car 2, and rotate the rotating handle 33 in the connecting lock 3 by 90°. At this time, the lock head 31 and the lock block 35 are respectively stuck in the notch of the bottom connecting block 132 and the lower surface of the car plate 22 of the flatbed mine car 2. The four connecting locks 3 firmly lock the four corners of the bottom of the container 1 on the flatbed mine car 2. At this time, a multifunctional container-type mine car for auxiliary transportation and automatic lifting for mining is assembled.

[0041] The present invention effectively solves the problem of inconsistency in the lifting of mining cars by monorail cranes. The original box-type mining cars are replaced by standard container-type mining cars. Secondly, after the door 12 of the container 1 is opened, it becomes a standard fence car suitable for the monorail crane. After the container 1 is removed, the flatbed mining car 2 can also be used alone on the track as a flatbed mining car. It can flexibly change the use form, and one car has multiple functions, realizing unified management, making it more adaptable to the standardized operation requirements in the daily transportation of the monorail crane, meeting the needs of transporting different materials and realizing the diversified use of vehicles, thereby improving the utilization rate of the vehicle, and improving the use value and economic benefits.

[0042] Example 3 On the basis of Example 2, Figure 5 and Figure 6 As shown, the lock-controlled hanger of this embodiment includes a hanger frame 4, a rotary lock mechanism 5 and a power mechanism 6; the rotary lock mechanism 5 is provided at the four corners of the hanger frame 4, such as Figure 7 and Figure 8 As shown, the rotary lock mechanism 5 includes a sling lock head 51, a sling lock sleeve 52, a sliding sleeve 53, a driving handle 54 and a driving connecting shaft 55. The sling lock head 51 can be rotatably inserted into the sling lock sleeve 52 and the sliding sleeve 53. The sliding sleeve 53 is fixedly connected to the sling frame 4. One end of the driving handle 54 is fixedly connected to the sling lock head 51, and the other end is connected to the driving connecting shaft 55. The power mechanism 6 is arranged on the sling frame 4, and the power mechanism 6 is connected to the driving connecting shaft 55 for driving the sling lock head 51 to rotate.

[0043] The hanger frame 4 is fixedly connected to the monorail lifting beam, and the four corners of the hanger frame 4 are equipped with flared guides to facilitate the rotary lock mechanism 5 to enter the top connecting block 131.

[0044] The sling frame 4 is a rectangular frame structure, and the positions of its four corners correspond to the positions of the top connecting block 131. The rotary lock mechanism 5 is used to dock the containerized mine car, so as to achieve docking between the sling and the containerized mine car, so that the containerized mine car and the lifting beam can move together.

[0045] The vertical projection of the sling lock 51 is a rectangle, a nearly rectangle or an irregular shape, and the sling lock 51 can be inserted into or out of the lock hole only when the sling lock 51 and the lock hole are placed in the same direction. In this embodiment, the lower end of the sling lock 51 is a tetrahedron with a pyramidal structure, the upper surface and two opposite side surfaces are planes, and the other side surfaces are cones.

[0046] Optionally, the driving handle 54 is connected to the hanger locking head 51 via a key.

[0047] A hanger nut 56 and a cotter pin are provided at the tail end of the hanger lock 51. The hanger nut 56 serves as a plug for locking the tail end of the hanger lock 51. The cotter pin is passed through the hanger lock 51 and is located above the hanger nut 56. The cotter pin stops the hanger nut 56 and the tail end of the hanger lock 51 to prevent the hanger nut 56 from falling out.

[0048] like Fig. 9 As shown, the power mechanism 6 includes a hydraulic cylinder 61, a cylinder rod head 62, a connecting rod 63, and a hydraulic flameproof solenoid valve 65; the hydraulic flameproof solenoid valve 65 is connected to the hydraulic cylinder 61, the cylinder rod head 62 is slidably disposed in the hydraulic cylinder 61, and the cylinder rod head 62 is hingedly connected to the driving connecting shaft 55 through the connecting rod 63. In this embodiment, four power mechanisms 6 are provided, which are respectively arranged at the four corners of the hanger frame 4, and are used to drive the rotary lock mechanism 5 to unlock and lock.

[0049] The hydraulic explosion-proof solenoid valve 65 is arranged on the hoist frame 4, and the hydraulic explosion-proof solenoid valve 65 is connected to the hydraulic cylinder 61 through a pipeline. The hydraulic explosion-proof solenoid valve 65 can adopt the existing explosion-proof valve products on the market. The explosion-proof valve can control the on-off of the fluid, prevent the sudden rupture of the pipeline and the uncontrolled unhooking accident of the rotary lock mechanism 5, and prevent the hydraulic oil in the pipeline from leaking and polluting, play an explosion-proof and explosion-proof role, and can ensure the safety of the hoisting and unloading process of the monorail mining car.

[0050] In this embodiment, the hydraulic flameproof solenoid valve 65 is provided with one, and the unlocking oil ports of the four power mechanisms 6 are connected to the unlocking oil port of the hydraulic flameproof solenoid valve 65, and the locking oil ports of the four power mechanisms 6 are connected to the locking oil port of the hydraulic flameproof solenoid valve 65. When in use, the unlocking oil ports of the four power mechanisms 6 are connected together through pipes to connect to the unlocking oil port of the hydraulic flameproof solenoid valve 65, and the locking oil ports of the four power mechanisms 6 are connected together through pipes to connect to the locking oil port of the hydraulic flameproof solenoid valve 65.

[0051] In this embodiment, the hydraulic power is taken from the monorail crane. When the hydraulic oil is transported from the monorail crane hydraulic pump to the hydraulic cylinder 61 through the pipeline, the volume of the liquid in the hydraulic cylinder 61 increases, pushing the cylinder rod head 62 to move, and driving the external load to work through the connecting parts. When the hydraulic oil flows in the reverse direction in the pipeline, the cylinder rod head 62 also moves in the reverse direction, thereby realizing the reciprocating motion of the cylinder rod head 62. Since the drive connecting shaft 55 is connected to the drive handle 54, when the cylinder rod head 62 reciprocates, the drive handle 54 generates a rotational motion through the connecting rod 63 and the drive connecting shaft 55. Since the drive handle 54 is fixedly connected to the sling lock head 51, the rotation of the sling lock head 51 is realized.

[0052] In the unlocked state, the sling lock 51 can be vertically inserted into the top connecting block 131. When locked, the power mechanism 6 causes the driving handle 54 to rotate 90 degrees, and the sling lock 51 also rotates 90 degrees in the top connecting block 131, thereby being stuck in the top connecting block 131 of the containerized mine car, completing the locking of the sling frame 4 and the containerized mine car. When the containerized mine car is lowered, the power mechanism 6 causes the driving handle 54 to rotate 90 degrees, and the sling lock 51 also rotates 90 degrees in the top connecting block 131, the sling lock 51 rises and disengages from the top connecting block 131, and the sling frame 4 and the containerized mine car are disengaged.

[0053] Example 4 On the basis of Example 3, in this embodiment, Fig.10 As shown, the electric control monitoring system includes a control box, an induction pin 7 and a sensor assembly. The control box is installed on the monorail crane locomotive, and the power supply of the electric control monitoring system comes from the power supply of the monorail crane locomotive. The hydraulic explosion-proof solenoid valve 65 and the sensor assembly are respectively connected to the control box.

[0054] The sensor assembly includes: an unlocking position sensor and a padlock position sensor for detecting the position status of the end surface of the driving connecting shaft 55; and a hanger position sensor for detecting the position status of the induction pin 7.

[0055] The unlocking position in place sensor and the padlock position in place sensor are installed at the unlocking position and the locking position on the hanger frame 4, and the induction pin 7 and the hanger in place sensor are arranged at the four corners of the hanger frame 4.

[0056] The unlock position sensor and the padlock position sensor send different detection signals to the control box by detecting the position state of the end face of the drive connecting shaft 55 connected to the rotary lock mechanism 5 and the power mechanism 6. The control box determines and controls the extension and retraction state of the cylinder rod head 62 according to the received detection signal. The unlock position sensor and the padlock position sensor are used to facilitate the detection of the actual state of the four sets of rotary lock mechanisms 5, thereby improving the reliability of system operation.

[0057] After the sling frame 4 and the four top connection blocks 131 of the container 1 are aligned and compacted, the induction pin 7 will be lifted up, and the sling in place sensor will sense the signal. When the four induction pins 7 corresponding to the in place sensors are all sensed, it means that the four sets of rotary lock mechanisms 5 connected to the sling frame 4 and the four top connection blocks 131 of the container-type mining car are inserted in place. The induction pins 7 and the sling in place sensors are convenient for the cylinder rod head 62 to judge the execution time of the action, and at the same time, it can detect whether the lifting is firm. Through the above-mentioned control box, induction pins 7 and sensor components, the unlocking state and padlocking state of the rotary lock mechanism 5, as well as the connection state of the sling frame 4 and the container 1 can be accurately monitored, achieving a safer and more reliable connection, shortening the operation time of the automatic locking and unlocking functions, better realizing intelligence and improving production efficiency.

[0058] In some specific embodiments, the unlocking position sensor, the padlock position sensor and the sling position sensor all use magnetic induction switches, and magnetic rings are installed on the end face of the driving connecting shaft 55 and the induction pin 7. When the magnetic induction switch senses the magnetic ring, it sends a detection signal to the control box.

[0059] Example 5 The present invention also provides an automatic hoisting method for a mining auxiliary transport monorail crane, comprising the following steps: The lock-controlled sling hangs the containerized mine car: the containerized mine car loaded with goods or empty in the rail yard is placed in the designated lifting position, and the lock-controlled sling installed on the lifting beam on the monorail crane locomotive is lowered to the top of the top connecting block 131 of the containerized mine car through remote control or program control. The monorail crane controls the lifting beam to fall so that the sling frame 4 is in full contact with the containerized mine car. At this time, the guide parts at the four corners of the sling frame 4 guide it to be accurately aligned and in full contact with the four top connecting blocks 131 of 2 standard containerized mine cars. In this process, the induction pins 7 at the four corners of the sling frame 4 are lifted up, and the corresponding sling in place sensors sense the signal. When the four induction pins 7 corresponding to the sling in place sensors are all sensed, it means that the four groups of sling frame 4 connected The rotary lock mechanism 5 is inserted into the top connecting block 131. At this time, the rotary lock mechanism 5 is in an unlocked state, and the four unlocked position sensors in the unlocked state are also in a sensing state. When the system program receives the sensing signal that meets the locking execution requirements, it executes the locking program, and the control box controls the hydraulic explosion-proof solenoid valve 65 to change direction, thereby driving the four groups of hydraulic cylinders 61 to push the cylinder rod head 62 to move, drive the rotary lock mechanism 5 to rotate, complete the rotation of the lock core, and securely connect the lock-controlled hoist and the container-type mine car. At this time, the four unlocked position sensors in the unlocked state position have no sensing signals, and the four padlock position sensors in the padlocked state position sense signals. The system determines that the padlocking is completed, the hydraulic explosion-proof solenoid valve 65 is powered off and returns to the middle position, and the monorail lifting beam is controlled to lift and complete the hanging process.

[0060] The lock-controlled sling releases the containerized mine car: when the monorail crane needs to lower the suspended containerized mine car to the yard track and release the coupling, the monorail crane controls the lifting beam to drop so that the containerized mine car falls into the track below, and then the electronic control system controls the hydraulic explosion-proof solenoid valve 65 to change direction, thereby driving the four groups of hydraulic cylinders 61 to push the cylinder rod head 62 to move, driving the rotary lock mechanism 5 to rotate, and the lock-controlled sling and the standard containerized mine car are unlocked and disconnected. At this time, the four unlocking position sensors in the unlocked state position sense the signal, and the four padlocking position sensors in the padlocked state position have no sensing signal. The system determines that the unlocking is completed, the hydraulic explosion-proof solenoid valve 65 is powered off and returns to the middle position, the monorail crane controls the lifting beam to lift the lock-controlled sling and the containerized mine car to separate, the induction pin 7 falls back, and the corresponding sling in place sensor has no sensing signal. The system determines that the lock-controlled sling and the containerized mine car are separated, and the falling and unlocking process is completed.

[0061] The automatic hoisting system of the mining auxiliary transport monorail crane of the present invention realizes the standardized, automated and unmanned process of mine car hooking, hoisting and releasing, solves the problems of complicated and inefficient original wire rope bundling process, effectively avoids the safety risks of bundling, effectively improves the efficiency of production and transportation, and improves economic benefits.

[0062] Components and structures not described in detail in the embodiments are well-known components and common structures or common means in the industry and are not described one by one here.

Claims

1. The automatic hoisting system of the mining auxiliary transport monorail crane is characterized by: The invention comprises an electric control monitoring system, a container-type mining car and a lock-controlled lifting device, wherein the top four corners of the top of the container-type mining car are provided with top connecting blocks (131), the lock-controlled lifting device comprises a lifting device frame (4), a rotary lock mechanism (5) and a power mechanism (6), the rotary lock mechanism (5) is provided at the four corners of the lifting device frame (4), the rotary lock mechanism (5) corresponds to the position of the top connecting block (131), and the power mechanism (6) is used to drive the rotary lock mechanism (5) to rotate in the top connecting block (131); the electric control monitoring system comprises a control box, an induction pin (7) and a sensor assembly, the control box is installed on a monorail crane, the induction pin (7) is provided at the joint between the lock-controlled lifting device and the container-type mining car, the sensor assembly and the power mechanism (6) are respectively connected to the control box for communication, and the sensor assembly comprises an unlocking position in-place sensor and a padlock position in-place sensor for detecting the working state of the rotary lock mechanism (5), and a lifting device in-place sensor for detecting the position state of the induction pin (7).

2. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 1 is characterized in that: The rotary lock mechanism (5) comprises a sling lock head (51), a sling lock sleeve (52), a sliding sleeve (53), a driving handle (54) and a driving connecting shaft (55); the sling lock head (51) is rotatably inserted into the sling lock sleeve (52) and the sliding sleeve (53); the sliding sleeve (53) is fixedly connected to the sling frame (4); one end of the driving handle (54) is fixedly connected to the sling lock head (51), and the other end is connected to the driving connecting shaft (55).

3. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 2 is characterized in that: The unlocking position in place sensor and the padlocking position in place sensor are used to detect the end surface position state of the driving connection shaft (55).

4. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 1 is characterized in that: The power mechanism (6) comprises a hydraulic cylinder (61), a cylinder rod head (62), a connecting rod (63), and a hydraulic flameproof solenoid valve (65); the hydraulic flameproof solenoid valve (65) is connected to the hydraulic cylinder (61); the cylinder rod head (62) is slidably disposed in the hydraulic cylinder (61); and the cylinder rod head (62) is hingedly connected to the drive connection shaft (55) via the connecting rod (63).

5. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 4 is characterized in that: The hydraulic explosion-proof solenoid valve (65) is communicatively connected to the control box.

6. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 1 is characterized in that: The automatic hoisting system of the mining auxiliary transport monorail crane can be operated automatically, semi-automatically or manually.

7. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 1 is characterized in that: The induction pin (7) is located on the hanger frame (4), and the induction pin (7) is arranged at the four corners of the hanger frame (4).

8. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 1 is characterized in that: The container-type mining car further comprises a container (1) and a flatbed mining car (2), wherein the flatbed mining car (2) is detachably arranged at the bottom of the container (1), and the container (1) comprises a box body (11) and a box door (12), wherein the box door (12) is hingedly connected to the left and right sides of the box body (11).

9. The automatic hoisting system for mining auxiliary transport monorail crane according to claim 8 is characterized in that: The flatbed mining car (2) and the container (1) are detachably connected via a connecting lock (3); bottom connecting blocks (132) are provided at four corners of the bottom of the container body (11); a connecting hole (21) corresponding to the position of the bottom connecting block (132) is provided on the flatbed mining car (2); the connecting lock (3) is arranged in the connecting hole (21) and the bottom connecting block (132); the connecting lock (3) comprises a lock head (31), a lock sleeve (32), a rotating handle (33), a lock A locking nut (34) and a locking block (35), wherein the locking head (31) is inserted into the locking sleeve (32) and is rotatably connected to the locking sleeve (32), the rotating handle (33) is fixedly connected to the locking head (31), the locking nut (34) is arranged at the rear end of the locking head (31), the locking block (35) is fixed to the outer surface of the locking sleeve (32), and the locking head (31) can be inserted into or removed from the connecting hole (21) only when the positioning directions of the locking head (31) and the connecting hole (21) are consistent.

10. An automatic hoisting method for the automatic hoisting system of the mining auxiliary transport monorail crane according to claim 1, characterized in that: The following steps are involved: S1, locking and controlling the sling to hang the container mine car: after the container mine car reaches the lifting position, the electric control monitoring system controls the monorail lifting beam to lower the locking and controlling sling until the sensing pin (7) is lifted up. At this time, the sling frame (4) is in full contact with the container mine car, and the sling in place sensor transmits a signal to the electric control monitoring system. The electric control monitoring system controls the rotary lock mechanism (5) to rotate in the top connection block (131). The padlock position in place sensor transmits a signal to the electric control monitoring system, and determines that the hanging is completed. The electric control monitoring system controls the monorail lifting beam to lift the locking and controlling sling, and the hanging process is completed. S2, the lock-controlled sling releases the containerized mine car: the electronic control monitoring system controls the monorail lifting beam to lower the lock-controlled sling, so that the containerized mine car falls into the track below, and the electronic control monitoring system controls the rotary lock mechanism (5) to rotate in the top connecting block (131), the lock-controlled sling and the containerized mine car are unlocked, and the unlocking position sensor transmits a signal to the electronic control monitoring system, determining that the connection is disconnected, and the electronic control monitoring system controls the monorail lifting beam to lift the lock-controlled sling, and the lock-controlled sling and the containerized mine car are separated.

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