Method for remotely moving a crushing station

Abstract

The application discloses a long-distance moving method of a crushing station and belongs to the field of crushing devices. The long-distance moving method of the crushing station comprises the following steps: formulating a long-distance moving scheme of the crushing station; a crane and a forklift enter the site according to the site requirements; a detachable minimum functional unit of the crushing station is connected with a steel wire rope of the crane for hoisting and dismounting; the detachable minimum functional unit is loaded on a vehicle for long-distance transportation; the site for installing the crushing station is prepared; the crane and the forklift enter the site according to the site requirements; the detachable minimum functional unit is dismounted, the detachable minimum functional unit of the crushing station is connected with the steel wire rope of the crane, and the detachable minimum functional unit is combined and installed; and the crushing station is debugged. The whole crushing station is modularly disassembled into large detachable minimum functional units, each large detachable minimum functional unit is relatively complete and independent in structure and function, after long-distance transportation, modular installation is carried out, and the precision and quality of equipment reassembly are ensured; through the application of a two-dimensional code label, intelligent management and tracking of the detachable minimum functional unit of the crushing station are realized, and work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of crushing device, in particular to a long-distance moving method of crushing station. BACKGROUND

[0002] The mobile crushing station is a giant equipment combining the functions of supply, crushing and conveying, which is mainly used for material conveying and application in various working environments, such as metallurgy, mining, chemical industry, building materials, water and electricity industries. With the rapid development of global industry, the demand for various mineral resources continues to grow, and the mobile crushing station has been more and more widely used and popularized in the fields of hard rock mines such as iron ore, phosphate rock, non-ferrous metal and limestone.

[0003] The original crushing station of Donglutian Coal Mine of China Coal Pingxiang Group is used, which is a MMD1500 series 3-tooth 9-ring self-moving whole crushing station, and the total weight of the equipment is about 1000 tons. The reuse of the crushing station equipment is beneficial to improve the asset utilization rate. The total distance from Pingxiang Donglutian Coal Mine to Heishan Open-pit Coal Mine is about 2630 kilometers, and the transportation will pass through bridges and culverts, which puts high requirements on transportation. The pit transportation conditions of Heishan Open-pit Coal Mine are complex, and the elevation of the mining area is generally 2400m-2900m, the minimum elevation is 2365m, and the maximum elevation is 3023m.

[0004] Due to the large size, heavy weight and complex structure of the single equipment of the crushing station, and the high correlation between the parts of the equipment, in order to solve the problems of transportation difficulty and disassembly efficiency, the disassembly and transportation scheme of the crushing station needs to be optimized. SUMMARY

[0005] To solve the above technical problems, the present application provides a long-distance moving method of crushing station, which modularly disassembles the whole crushing station into detachable minimum functional units according to the long-distance moving scheme of the crushing station, each detachable minimum functional unit maintains relative integrity and independence in structure and function, the detachable minimum functional unit is suitable for long-distance transportation, while ensuring the disassembly efficiency, and finally the detachable minimum functional unit is quickly and accurately installed at the destination; through the application of two-dimensional code label, the intelligent management and tracking of the detachable minimum functional unit of the crushing station are realized, human errors are reduced, and work efficiency is improved.

[0006] The technical scheme provided by the present application is as follows:

[0007] A long-distance moving method of crushing station, comprising the following steps:

[0008] S1, a long-distance moving scheme of the crushing station is formulated;

[0009] S2, a crane and a forklift enter the site according to the site regulations;

[0010] S3, the crane's wire rope connects the detachable minimum functional unit of the crushing station, and the detachable minimum functional unit is hoisted and disassembled;

[0011] S4, the detachable minimum functional unit is loaded into a vehicle for long-distance transportation;

[0012] S5, preparation of the installation site of the crushing station;

[0013] S6, the machinery enters the site, and the crane and the forklift are positioned according to the needs of the site;

[0014] S7, the detachable minimum functional unit is unloaded, the crane's wire rope connects the detachable minimum functional unit of the crushing station, and the detachable minimum functional unit is assembled and installed;

[0015] S8, debugging of the crushing station.

[0016] In the above S1, the long-distance moving plan of the crushing station includes:

[0017] S11, the traffic conditions of the transportation road are mastered, including the width limit, height limit and weight limit data;

[0018] S12, the weight and the center of gravity of the detachable minimum functional unit are mastered, the wire rope and the hoisting position are correctly selected to ensure the balance and horizontal stability of the detachable minimum functional unit during hoisting, the parts that may be damaged during hoisting are protected, and the detachable minimum functional unit is prevented from being damaged;

[0019] S13, determination of the detachable minimum functional unit: according to the road condition information obtained from S11 and S12, and the structure investigation of the detachable minimum functional unit, the detachable minimum functional unit that can not be disassembled or that may reduce the connection quality after disassembly should be disassembled as much as possible, and each detachable minimum functional unit should maintain relative integrity and independence in structure and function;

[0020] S14, production of a two-dimensional code label: a two-dimensional code label is produced according to the detachable minimum functional unit, and the content information of the two-dimensional code label includes the detachable minimum functional unit number, the disassembly and assembly requirements, the disassembly and assembly time, the disassembly and assembly personnel name and the transportation vehicle information;

[0021] S15, uploading the content of the two-dimensional code label to the server management system, and the management team manages the disassembly and assembly of the detachable minimum functional unit, the transportation of the detachable minimum functional unit and the installation management of the detachable minimum functional unit according to the server management system;

[0022] S16, the two-dimensional code label is pasted to both ends of the detachable minimum functional unit, so that the disassembly and assembly of the detachable minimum functional unit are quickly and accurately completed.

[0023] In S3, the disassembly team disassembles the corresponding detachable minimum functional unit position of the two-dimensional code label according to the instruction of the management team, scans the two-dimensional code label using a mobile terminal, obtains the disassembly requirements of the server management system, disassembles and protects the detachable minimum functional unit, and feeds back the disassembly progress in time through the two-dimensional code label to ensure the order and efficiency of the disassembly process; the disassembly is performed in the following order: forearm unloading conveyor → magnetic yoke assembly → transformer → lubrication pump station → maintenance crane → platform handrail → electrical control room → stock bin → plate feeder → crusher → bottom steel structure support → walking frame steel structure → walking mechanism;

[0024] In S4, the transportation team obtains the transportation information by scanning the two-dimensional code label using a mobile terminal according to the instruction of the management team, drives according to the departure order, and uploads the loading information and transportation state information to the server management system; the transportation state information includes the transportation vehicle, route and time;

[0025] In S5, the preparation of the installation site of the crushing station includes the following steps:

[0026] S51, site leveling and power box assembly;

[0027] S52, determine the longitudinal and transverse center line positions of the detachable minimum functional unit foundation according to the design requirements, determine the reference point and reference line of the detachable minimum functional unit installation according to the detachable minimum functional unit layout and the measurement control network, and measure the plane position and elevation of all detachable minimum functional unit installations with the determined reference point and reference line; set up the target of the longitudinal and transverse center lines and fix them firmly;

[0028] S53, build the foundation of the crushing station;

[0029] S54, re-measure or correct the entire foundation center line according to the center target, determine the center line that meets the engineering quality requirements, and set up permanent center target plates, elevation reference points and auxiliary center reference lines to control the plane position of the detachable minimum functional unit installation.

[0030] In S7, the installation team obtains the unloading information and installation information by scanning the two-dimensional code label using a mobile terminal according to the instruction of the management team, organizes orderly unloading and orderly installation in time, feeds back the installation progress in time through the two-dimensional code label to ensure the order and efficiency of the installation process; the detachable minimum functional unit is installed in the following order: walking mechanism → walking frame steel structure → bottom steel structure support → crusher → plate feeder 4 → stock bin → electrical control room → platform handrail → maintenance crane → lubrication pump station → transformer → magnetic yoke assembly → forearm unloading conveyor 3.

[0031] Further, in S2 and S6, a 150-ton crane and a 200-ton crane are selected, and a forklift is used as an auxiliary.

[0032] Further, in the above S3 and S7, a steel wire rope with a length of 6m and a diameter of 39mm is selected, and one end of the steel wire rope is connected with the lifting lug on the detachable minimum functional unit.

[0033] Further, in the above S8, the debugging of the crushing station is specifically: ensuring the safe start and stop of each functional unit during the no-load and heavy-load trial operation of the system, and the normal operation, while ensuring safety, completing the no-load start and stop and the heavy-load start and stop of the entire detachable minimum functional unit according to the established procedure, and completing the related test content in the process.

[0034] The present application has the following beneficial effects:

[0035] (1) The entire crushing station is modularized and disassembled into large detachable minimum functional units, each large detachable minimum functional unit maintains relative integrity and independence in structure and function, after long-distance transportation, modular installation is carried out to ensure the precision and quality of equipment reassembly; through the application of two-dimensional code labels, intelligent management and tracking of the detachable minimum functional units of the crushing station are realized, human errors are reduced, and construction efficiency is improved;

[0036] (2) The technical scheme of the present application is reasonable, the construction process is advanced, the process arrangement is reasonable, the engineering quality is guaranteed, the equipment investment is reduced, and the utilization efficiency of the detachable minimum functional units is improved;

[0037] (3) Compared with the traditional technology, the present application has the advantages of energy saving, carbon reduction, safety and reliability, and strong operability. With the increasing construction of large coal mines and other large mines in China, the popularization and application prospect of this technology will be very broad. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is a step flow chart of the long-distance moving method of the crushing station;

[0039] Figure 2 It is a schematic diagram of the working principle of intelligent management;

[0040] Figure 3 It is a schematic diagram of the hoisting forearm unloading conveyor;

[0041] Figure 4 It is a schematic diagram of the hoisting plate feeder.

[0042] Among them, 1, 150-ton crane; 2, 200-ton crane; 3, forearm unloading conveyor; 4, plate feeder. DETAILED DESCRIPTION

[0043] In order to make the technical problems, technical schemes and advantages of the present application clearer, the following will be described in conjunction with the drawingsFigures 1 to 4 The technical solutions of the present application are clearly and completely described in the embodiments and specific examples. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0044] The embodiment of the present application provides a long-distance moving method of a crushing station, comprising the following steps:

[0045] S1, a long-distance moving scheme of the crushing station is formulated;

[0046] S2, a crane and a forklift are mechanically approached and positioned according to the site;

[0047] S3, a steel wire rope of the crane is connected to a detachable minimum functional unit of the crushing station, and hoisting and dismounting are performed;

[0048] S4, the detachable minimum functional unit is loaded onto a vehicle and transported over a long distance;

[0049] S5, a preparation for installing the crushing station site is performed;

[0050] S6, a mechanical approach is performed, and the crane and the forklift are positioned according to the site needs;

[0051] S7, the detachable minimum functional unit is unloaded, the steel wire rope of the crane is connected to the detachable minimum functional unit of the crushing station, and combined installation is performed;

[0052] S8, the crushing station is debugged.

[0053] In the above S1, the long-distance moving scheme of the crushing station comprises:

[0054] S11, traffic conditions of a transportation road are mastered, including width limit, height limit and weight limit data, so as to ensure that the components of the crushing station can safely pass through bridges, tunnels and toll stations and other special road conditions during transportation;

[0055] S12, the weight and the center of gravity of the detachable minimum functional unit are mastered, the steel wire rope and the hoisting position are correctly selected, so as to ensure the hoisting balance and horizontal stability of the detachable minimum functional unit, the possible damaged parts of the hanging parts are protected, and the detachable minimum functional unit is prevented from being damaged.

[0056] S13, determining the detachable minimum functional unit: according to the road condition information understood in S11 and S12, and the structure investigation of the components, the components that can not be detached or can reduce the connection quality after being detached should be avoided to be detached as much as possible, such as sealing elements and riveting elements, etc., each detachable minimum functional unit maintains relative integrity and independence in structure function; the management personnel arrange the structure and disassembly and assembly requirements of the detachable minimum functional unit, and store the information in the server management system, so that the disassembly team, the transportation team and the installation team can obtain the disassembly and assembly requirements and the transportation information;

[0057] S14, making of the two-dimensional code label: making the two-dimensional code label according to the detachable minimum functional unit, the content information of the two-dimensional code label includes the detachable minimum functional unit number, the disassembly and assembly requirements, the disassembly and assembly time, the disassembly and assembly personnel name and the transportation vehicle information;

[0058] S15, uploading the content of the two-dimensional code label to the server management system, the management team carries out the disassembly management of the detachable minimum functional unit, the transportation management of the detachable minimum functional unit and the installation management of the detachable minimum functional unit according to the server management system; the content of the two-dimensional code label is divided into three modules: disassembly team information, transportation team information and installation team information, which are respectively used by the disassembly team, the transportation team and the installation team;

[0059] S16, pasting the two-dimensional code label to the two ends of the detachable minimum functional unit, so as to quickly and accurately complete the disassembly of the detachable minimum functional unit.

[0060] In the above S13, the embodiment takes the MMD1500 series 3-tooth 9-ring self-moving whole crushing station as a specific crushing station for illustration, the total weight of the equipment is about 1000 tons, and the detachable minimum functional units are determined as shown in the following table:

[0061]

[0062] In the above S2 and S6, 150-ton crane 1 and 200-ton crane 2 are selected, and a forklift is selected as an auxiliary.

[0063] In the above S3 and S7, a steel wire rope with a length of 6m and a diameter of 39mm is selected, one end of the steel wire rope is connected with the lifting lug on the detachable minimum functional unit. The steel of the lifting lug is Q355.

[0064] Before the crushing station is removed, the crushing station is debugged to check whether it can be normally used, whether the existing equipment can be normally operated, and the detachable minimum functional units required for the normal operation of the equipment, and statistics are made for maintenance and spare parts procurement. The disassembly site is cleaned; the power is cut off before disassembly, wiping and oiling; the detachable minimum functional units that are easily oxidized and rusted are protected.

[0065] In S3, the disassembly team uses the mobile terminal to scan the two-dimensional code label according to the instruction of the management team to obtain the disassembly requirements of the server management system, and the disassembly team disassembles and protects the detachable minimum functional unit to prepare for transportation and installation. If it is found that the components of the detachable minimum functional unit are damaged during disassembly, the disassembly team uses the mobile terminal to scan the two-dimensional code label, fills in the damaged component information and uploads it to the server management system, so that the management team can timely master the component situation; the disassembly team timely feeds back the disassembly progress through the two-dimensional code label to ensure the order and efficiency of the disassembly process.

[0066] Disassembly requirements: During disassembly, the direction of the detachable minimum functional unit, the thickness end and the large head must be clearly distinguished; the disassembled detachable minimum functional unit must be placed in order and regularly to avoid clutter and accumulation; the disassembled detachable minimum functional unit should be connected together as much as possible according to the original structure. All the two ends of the detachable minimum functional unit are pasted with two-dimensional code labels to avoid errors during assembly and affect the original matching properties. For precise or complex detachable minimum functional units, draw assembly sketches or make good marks during disassembly to avoid misassembly. The disassembled detachable minimum functional unit should be thoroughly cleaned, oiled and rust-proofed, and the processing surface should be protected to avoid loss and damage. The slender detachable minimum functional unit should be hung to prevent bending and deformation. Precise detachable minimum functional units should be stored separately to avoid damage. Small detachable minimum functional units should be boxed in time to prevent loss.

[0067] The detachable minimum functional units are disassembled in the following order: forearm discharge conveyor 3→magnetic yoke assembly→transformer→lubrication pump station→maintenance crane→platform handrail→electrical control room→silo→plate feeder 4→crusher→bottom steel structure support→walking frame steel structure→traveling mechanism.

[0068] The entire crushing station is modularized and disassembled into detachable minimum functional units, each detachable minimum functional unit maintains relative integrity and independence in structure and function, ensuring the precision and quality of equipment reassembly.

[0069] Specifically, during the disassembly process of the detachable minimum functional unit, according to the data provided by the crane, the disassembly team scans the two-dimensional code label to record the weight of each component of the detachable minimum functional unit, and uploads the weight information of the detachable minimum functional unit to the server management system. After disassembly, the components of the detachable minimum functional unit are packaged according to their types, weights and sizes for easy loading.

[0070] Among them, the disassembly of the forearm discharge conveyor 3: first disassemble the circuit and take protective measures, use a 200-ton crane 2 to connect one end of the forearm discharge conveyor 3, and a 150-ton crane 1 to connect the other end of the forearm discharge conveyor 3, as shown inFigure 3 As shown.

[0071] Wherein the disassembly of the magnetic yoke assembly: a 200-ton crane 2 is connected to the magnetic yoke assembly, and a steel wire rope with a length of 6 m and a diameter of 39 mm is connected to the magnetic yoke assembly.

[0072] Wherein the disassembly of the transformer, the lubrication pump station and the maintenance crane: conventional installation, using a 200-ton crane 2 located on the side of the main engine, four steel wire ropes with a length of 6 m and a diameter of 39 mm. Mark the cable connection part, check the damaged terminals such as line nose, and report unqualified in time; disassemble the transformer, measure the reliability of the winding, and consider winding insulation or drying according to the insulation condition; disassemble the lubrication system, mark and dustproof and leakproof all pipe fittings; disassemble the recovery winch and steel wire rope of the maintenance crane (consider whether to replace according to the degree of wear of the steel wire rope), and check the crane tower.

[0073] Wherein the disassembly of the platform handrail: conventional removal, using a 200-ton crane 2, and four steel wire ropes with a length of 6 m and a diameter of 39 mm. Further disassemble from top to bottom, strictly follow the relevant regulations and systems for high-altitude work, and place the scattered parts according to the specified position after disassembly.

[0074] Wherein the disassembly of the electrical control room: conventional removal, using a 200-ton crane 2, and four steel wire ropes with a length of 6 m and a diameter of 39 mm. Check whether the insulation degree of the cable is intact after disassembling the circuit. Disassemble the circuit and mark, and take good moisture-proof measures, and mark the cable.

[0075] Wherein the disassembly of the silo: use a 200-ton crane 2 located on the side of the main engine, push the upper part of the silo after separation, and four steel wire ropes with a length of 6 m and a diameter of 39 mm. The silo is disassembled in a split type, and the connection part is lifted by a 200-ton crane 2 after separation. Mark the connection part after separation, and store neatly.

[0076] Wherein the disassembly of the plate feeder 4: use a 200-ton crane 2, a 150-ton crane 1, lifting and four steel wire ropes with a length of 6 m and a diameter of 39 mm, as shown. Figure 4 As shown. Remove the accessories first. Try to reduce the lifting weight. Pay attention to the uniform stress of the two main cranes when moving.

[0077] Wherein, the disassembly of the crusher: use 200 tons of crane 2 and 150 tons of crane 1, cooperate with lifting and four steel wires with length of 6m and diameter of 39mm, each steel wire with oblique edge bearing less than 44 tons. First, disassemble the circuit and mark, and take protective measures. For the disassembled detachable minimum functional unit, number and code according to the disassembly sequence, and do not miss and repeat. After completing the numbering and coding, place it in the specified position or pack it in the box. First, remove the accessories, check the degree of wear and tear, and consider repair or replacement according to the actual situation. The detachable minimum functional unit should be modular and integral as much as possible to reduce the lifting weight. When moving, pay attention to the uniform stress of the two main cranes, and the crane team leader should cooperate appropriately.

[0078] Wherein, the disassembly of the bottom steel structure support: use 200 tons of crane 2, four steel wires with length of 6m and diameter of 39mm, and four 100-ton hydraulic jacks to disassemble the connecting beam.

[0079] Wherein, the disassembly of the walking frame steel structure: use 200 tons of crane 2, four steel wires with length of 6m and diameter of 39mm, and four 100-ton hydraulic jacks. First, support the connecting part at the middle hollow position with a wooden beam and a jack to a firm state. The 200-ton crane 2 is located at one side of the chassis. After preparing for lifting, cut the connecting part. After separation, disassemble it to the transportation requirements.

[0080] Wherein, the disassembly of the walking mechanism: use 200 tons of crane 2, four steel wires with length of 6m and diameter of 39mm, remove all the guard plates, decks and all accessories. Adopt the stripping type to disassemble the welding seam, the outer opening should not be greater than 3mm from the edge of the welding seam, the inner seam should leave a bottom of 12mm, and the undercut should not be greater than 2mm. Open the window type for the main reinforcement plate part. After separation, mark the opening, stack neatly, and protect the welded opening from pollution. Disassemble the track plate, check the wear and tear of the supporting wheel, driving wheel and tensioning wheel, etc. Disassemble the walking reduction machine. After construction, disassemble the track crane and transport it out of the construction site, respectively, use the crane to load it onto the flat car, and collect and pack the pins and needles, etc. when disassembling.

[0081] In the above S4, the transportation team uses a mobile terminal to scan the two-dimensional code label to obtain transportation information according to the instructions of the management team, drives according to the departure order, uploads the loading information and transportation status information to the server management system, and the transportation status information includes transportation vehicles, routes and time, to ensure the safe transportation of the detachable minimum functional unit to the destination.

[0082] While performing the above S4, S5 is performed to improve efficiency by utilizing time difference. The preparation of the installation of the crushing station site includes:

[0083] S51, site leveling and power box assembly;

[0084] S52, determine the longitudinal and transverse center line position of the detachable minimum functional unit foundation according to the design requirements, determine the reference point and reference line of the detachable minimum functional unit installation according to the layout of the detachable minimum functional unit and the measurement control network, and measure the plane position and elevation of all detachable minimum functional unit installations with the determined reference point and reference line; set the target of the longitudinal and transverse center line, and fix it firmly;

[0085] S53, construct the broken station foundation;

[0086] S54, re-measure or correct the entire foundation center line according to the center target, determine the center line that meets the engineering quality requirements, and set the permanent center target plate, elevation reference point and auxiliary center reference line, so as to control the plane position of the detachable minimum functional unit installation.

[0087] Specifically in S5, the longitudinal and transverse center line position of the detachable minimum functional unit foundation is determined according to the design requirements, the deviation within 20mm is qualified foundation, the pre-buried anchor bolt elevation allows deviation of 20mm, the center distance deviation is 2mm, the pre-buried anchor bolt hole center position deviation is 10mm, the depth deviation is 20mm, and the hole wall plumb deviation is not more than 10mm per meter. Since the units and detachable minimum functional units in this project have high installation accuracy, the center line, elevation, levelness and perpendicularity of the installed detachable minimum functional units are particularly strict. In order to ensure the installation quality of the entire working line detachable minimum functional unit, before the foundation construction, the targets of the longitudinal and transverse center line should be set at both ends of the foundation and fixed firmly to ensure that the deviation of the entire foundation to the working line is minimized. After the construction of the broken station foundation is completed, the entire foundation center line should be re-measured or corrected according to the center target, the center line that meets the engineering quality requirements is determined, and the permanent center target plate, elevation reference point and auxiliary center reference line are set, so as to control the plane position of the detachable minimum functional unit installation. In order to control the installation elevation of the detachable minimum functional unit and the influence of foundation settlement on the installation accuracy of the detachable minimum functional unit, before the installation of the detachable minimum functional unit, the plane elevation reference point should be set on the foundation near the detachable minimum functional unit and convenient for observation according to the elevation control network point or the elevation control network point set by the civil construction. The number of permanent center target plates and permanent reference points should not be too much. The installation reference line of the auxiliary detachable minimum functional unit should be set according to the center line of the determined center target plate. The above preparation work for installation ensures the accurate installation of the equipment after it arrives, and ensures the accuracy and quality of the equipment reassembly.

[0088] In S7 described above, the installation team scans the two-dimensional code label using the mobile terminal according to the instruction of the management team, obtains the unloading information and installation information, and timely organizes the orderly unloading and orderly installation. The installation team timely feeds back the installation progress through the two-dimensional code label, and ensures the order and efficiency of the installation process.

[0089] The installation of the crushing station generally adopts a method of installing from bottom to top and layer by layer. The detachable minimum functional unit is installed in the following order: walking mechanism, walking frame steel structure, bottom steel structure support, crusher, plate feeder 4, hopper, electrical control room, platform handrail, maintenance crane, lubrication pump station, transformer, magnetic yoke assembly, and forearm discharge conveyor 3.

[0090] Among them, the installation of the walking mechanism: use one 200-ton crane 2, four steel wires with a length of 6 m and a diameter of 39 mm, and integrally hoist.

[0091] Among them, the installation of the walking frame steel structure: use one 200-ton crane 2, four steel wires with a length of 6 m and a diameter of 39 mm, and four 100-ton hydraulic jacks to integrally hoist.

[0092] Among them, the installation of the bottom steel structure support: use one 200-ton crane 2, four steel wires with a length of 6 m and a diameter of 39 mm, and four 100-ton hydraulic jacks to integrally hoist.

[0093] Among them, the installation of the crusher: use one 200-ton crane 2 and one 150-ton crane 1, cooperate with lifting and hoisting, and four steel wires with a length of 6 m and a diameter of 39 mm. Hoisting needs to be kept horizontal, and attention should be paid to uniform stress of the cranes when shifting. After the installation of the driving device is completed, the circuit is coded according to the number, wiring is installed, after the wiring is completed, the port is plugged with a foaming agent, and protective measures are taken.

[0094] Among them, the installation of the plate feeder 4: use one 200-ton crane 2, one 150-ton crane 1, lifting, and four steel wires with a length of 6 m and a diameter of 39 mm. When installing the hopper and shifting, attention should be paid to uniform stress of the two main cranes, the crane commander, the bench worker, and the cutting team leader need to closely cooperate and coordinate, and obey the crane commander.

[0095] Among them, the installation of the hopper: use one 200-ton crane 2 located on the side of the main machine, and four steel wires with a length of 6 m and a diameter of 39 mm. The hopper is installed in a split type, starting from the part supported at the lower part of the hopper, and four steel wires are used for installation.

[0096] The installation of the electrical control room: before installation, check the appearance of the cable and wire, and perform insulation test if necessary; overall hoisting, using 200-ton crane 2, four steel wires with length of 6 m and diameter of 39 mm.

[0097] The installation of the platform handrail: from bottom to top, install in sequence; totally divided into three layers, and mark the position of the electromechanical detachable minimum functional unit on each layer after installing each layer.

[0098] The installation of the transformer, lubricating pump station and maintenance crane: conventional installation, using 200-ton crane 2 located at the side of the main machine, four steel wires with length of 6 m and diameter of 39 mm. Mark the cable connection part, check the damaged terminal such as wire nose, and report the unqualified transformer installation in time, measure the winding reliability, and consider winding insulation or drying according to the insulation condition. Install the tower of the maintenance crane; install the lubricating pump station according to the pipe marking (installed before pipe connection and wiring).

[0099] The installation of the magnetic yoke assembly: install the reluctance motor and the accessories of the speed reducer; install the hydraulic cylinder and other connecting devices.

[0100] The installation of the forearm unloading conveyor 3: overall hoisting, using 200-ton crane 2 to connect one end of the forearm unloading conveyor 3, and 150-ton crane 1 to connect the other end of the forearm unloading conveyor 3.

[0101] In S8, the debugging of the crushing station is specifically: ensuring the safe start and stop of each functional unit during the system test under no load and heavy load, and normal operation, and under the premise of safety, completing the no-load start and stop and heavy-load start and stop of the entire detachable minimum functional unit according to the established procedure, and completing the related test content in the process.

[0102] Selection of steel wire rope:

[0103] For the plate feeder 4 with the heaviest weight among all hoisting equipment, the weight is 116.1 tons, and the force analysis of the used steel wire rope is selected and checked.

[0104] Single rope force S = K1K2(Q + q) / (ncosα) = 1.2 × 30.861 = 37.1 tons;

[0105] Wherein, n——hoisting rope branch number, calculated as n = 4;

[0106] α——steel wire rope and vertical angle approximately 20 degrees;

[0107] Q——weight of the hoisted equipment;

[0108] q - sling weight, about 1 ton (2 sling lifting, 2 tons according to the calculation);

[0109] K1 - dynamic load coefficient of 1.2;

[0110] K2 - unbalanced coefficient of 1.2 (two crane lifting when calculated).

[0111] Look up the "Common Steel Wire Rope Specifications and Rated Overweight Weight Table" to determine: select the diameter of 39mm steel wire rope, which can be lifted at 45° angle 44.6 tons, 4, select 6m length of steel wire rope.

[0112] 20° when the allowable tension [S] = 44.6 tons / cos20° = 44.6 / 0.9397 = 47.462 tons;

[0113] [S] > S = 37.1 tons, meet the lifting requirements.

[0114] Selection of crane:

[0115] Analysis of the forearm unloading conveyor 3: the unloading arm is installed as a whole lifting, which is about 56 tons, and the removal is also planned to be removed as a whole.

[0116] The weight of this part is checked, and the equipment specification shows that the height of this part is 8.7 meters, and the weight Q = 56 tons.

[0117] Q 总 = (Q + q) × K1 × K2 = (56 + 1 + 1) × 1.2 × 1.2 = 83.52 tons;

[0118] K1 - dynamic load coefficient of 1.2;

[0119] K2 - unbalanced coefficient of 1.2;

[0120] q - sling weight, about 1 ton.

[0121] 200-ton crane 2: two cars lifting according to 50% calculation 41.76 tons. The radius of gyration is 7.5m, the height is 18m. Select the radius of gyration of 8m, the length of the arm of 21.9m crane allowable load [Q] = 73 tons > 41.76 tons. Meet the lifting conditions.

[0122] 150-ton crane 1: two cars lifting according to 50% calculation 41.76 tons. The radius of gyration is 7m, the height is 7.5m. Select the radius of gyration of 7m, the length of the arm of 13.9m crane allowable load [Q] = 68.9 tons > 41.76 tons. Comprehensive analysis, site, road surface flat, conditions allow, meet the lifting conditions.

[0123] Crane occupies the layout of the approach:

[0124] 150 tons of crane 1 is placed to the other side of the main engine, and the lifting radius range should be safe and reliable according to the site conditions.

[0125] 200 tons of crane 2 is located on the first side of the main engine, and the lifting radius range should be safe and reliable according to the site conditions.

[0126] The forklift is placed beside the main engine for flexible use.

[0127] The welding machine air pump is arranged more than 5 meters away from the main engine to prevent injury.

[0128] The tools and parts used during disassembly and installation are as follows:

[0129]

[0130] The embodiment of the present application provides a long-distance moving method of a crushing station. According to the structural function and transportation road conditions, weight and other parameters of the detachable minimum functional unit, the whole crushing station is modularized and disassembled into detachable minimum functional units. Each detachable minimum functional unit maintains relative integrity and independence in structure and function. After long-distance transportation, modular installation is carried out to ensure the precision and quality of equipment reassembly. Through the systematic application of the two-dimensional code label, the cooperation of multiple departments is realized, the intelligent management and tracking of the detachable minimum functional unit of the crushing station are realized, human errors are reduced, and the construction efficiency is improved.

[0131] Social benefits:

[0132] It has the advantages of small environmental pollution, green production and the like. The construction period is shortened, and the protective removal of the whole structure and the detachable minimum functional unit is beneficial. Compared with the traditional technology, the present application has the advantages of energy saving, carbon reduction, safety, reliability and strong operability. With the increasing construction of large coal mines and other large mines in China, the application prospect of the present application will be very wide.

[0133] Application example:

[0134] The project of semi-continuous mining in Heishan Coal Mine is constructed by China Coal Construction and Installation Engineering Group Co., Ltd. The project started in January 2023 and was completed in December 2023. The project uses the original crushing station of East Open-pit Coal Mine of China Coal Pingshuo Group, one MMD1500 series 3-tooth 9-ring self-moving integral crushing station, with a total equipment weight of about 1000 tons. The distance from East Open-pit Coal Mine of China Coal Pingshuo Group to Heishan Open-pit Coal Mine is about 2630 kilometers, and 10 vehicles of conventional parts and 27 vehicles of oversized parts are needed. The heaviest single piece of oversized parts is about 114 tons, the longest single piece is about 20.5 meters, the widest single piece is about 5.3 meters, and the highest single piece is about 3.7 meters. The actual environment of Heishan Open-pit Coal Mine is fully considered, and modularization is adopted for the removal. The distance from East Open-pit Coal Mine of China Coal Pingshuo Group to Heishan Open-pit Coal Mine is about 2630 kilometers for long-distance transportation. The conditions of pit transportation in Heishan Open-pit Coal Mine are complex, with an elevation of generally 2400m-2900m, a minimum elevation of 2365m, and a maximum elevation of 3023m.

[0135] After installation, the failure rate of the crushing station is reduced, and the equipment fully plays its role. The investment of 3 million yuan is saved, and the total cost of 3563500 yuan is saved.

[0136] The construction practice proves that the technical scheme is reasonable, the construction technology is advanced, the process arrangement is reasonable, the engineering quality is guaranteed, the utilization efficiency of the smallest detachable functional unit is improved, the personnel investment is reduced, the installation process error is reduced, and the scheme is unanimously praised by all parties.

[0137] The crushing station relocation and reconstruction scheme is the result of many times of evaluation of the smallest detachable functional unit by China Coal Construction and Installation Engineering Group Co., Ltd., on-site investigation in Heishan Mine of Xinjiang, user interview in East Open-pit, data collection and review, expert symposium and design calculation. The crushing station fully meets the expectations after operation, the method is mature and reliable, and is worth promoting.

[0138] Finally, it should be noted that the above-described embodiments are only specific implementations of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them. The protection scope of the present application is not limited to this. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can make modifications or easily think of changes to the technical solutions described in the foregoing embodiments within the technical scope disclosed by the present application, or make equivalent replacements to some technical features. These modifications, changes or replacements do not change the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application. They should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for long-distance relocation of a crushing station, characterized in that, Includes the following steps: S1. Develop a long-distance relocation plan for the crushing station; S2. Cranes and forklifts are brought to the site and positioned according to site regulations. S3. The crane's wire rope is connected to the smallest detachable functional unit of the crushing station for hoisting and disassembly. S4. Demountable minimum functional unit for long-distance transportation; S5. Preparation of the site for installing the crushing station; S6. Machinery enters the site, and cranes and forklifts are positioned as needed on site; S7. Remove the detachable minimum functional unit, connect the crane's wire rope to the detachable minimum functional unit of the crushing station, and assemble and install it. S8. Debug the crushing station; In S1 above, the plan for relocating the crushing plant over a long distance includes: S11. Understand the road conditions of transportation routes, including width, height and weight restrictions; S12. Understand the weight and center of gravity of the detachable minimum functional unit, and correctly select the wire rope and hoisting position to ensure the hoisting balance and horizontal stability of the detachable minimum functional unit. Protect the parts that may be damaged during hoisting to prevent damage to the detachable minimum functional unit. S13. Determine the detachable minimum functional unit: Based on the road condition information obtained in S11 and S12, and the structural investigation of the detachable minimum functional unit, do not disassemble the detachable minimum functional unit that can be left detached or whose disassembly may reduce the connection quality. Each detachable minimum functional unit maintains relative structural and functional integrity and independence. S14. Production of QR code labels: Create QR code labels based on the detachable minimum functional unit. The content information of the QR code labels includes the detachable minimum functional unit number, disassembly and assembly requirements, disassembly and assembly time, name of the disassembly and assembly personnel, and transport vehicle information. S15. Upload the content of the QR code label to the server management system. The management team will then manage the disassembly, transportation, and installation of the detachable minimum functional unit based on the server management system. S16. Attach the QR code label to both ends of the detachable minimum functional unit to quickly and accurately complete the disassembly of the detachable minimum functional unit. In the above S3, the disassembly team disassembles the smallest detachable functional unit according to the instructions of the management team at the corresponding QR code label. They use a mobile terminal to scan the QR code label to obtain the disassembly and assembly requirements of the server management system, disassemble and protect the smallest detachable functional unit, and the disassembly team promptly reports the disassembly progress through the QR code label to ensure the orderly and efficient disassembly process. The disassembly is carried out in the following order: front arm unloading conveyor (3) → magnetic yoke assembly → transformer → lubrication pump station → maintenance crane → platform handrail → electrical control room → silo → plate feeder (4) → crusher → bottom steel structure support → traveling frame steel structure → traveling mechanism. In S4 above, the transportation team uses a mobile terminal to scan QR code tags to obtain transportation information according to the instructions of the management team, drives according to the departure order, and uploads loading information and transportation status information to the server management system. The transportation status information includes transportation vehicles, routes and times. In S5 above, the preparation of the site for installing the crushing station includes: S51, Site leveling and power supply box assembly; S52. Determine the longitudinal and transverse centerline positions of the foundation of the removable minimum functional unit according to the design requirements. Determine the reference points and reference lines for the installation of the removable minimum functional unit based on the layout drawing of the removable minimum functional unit and the measurement control network. The planar position and elevation of the installation of all removable minimum functional units shall be measured at the determined reference points and reference lines. Set up targets for the longitudinal and transverse centerlines and fix them firmly. S53. Construct the foundation for the crushing station; S54. Based on the central target, re-measure or correct the center line of the entire foundation to determine the center line that meets the engineering quality requirements, and set permanent center markers, elevation reference points and auxiliary center reference lines to control the planar position of the installation of the detachable minimum functional unit. In the above S7, the installation team, according to the instructions of the management team, uses a mobile terminal to scan the QR code label to obtain unloading and installation information and organizes unloading and installation in an orderly manner in a timely manner; the installation team promptly reports the installation progress through the QR code label; the detachable minimum functional unit is installed in the following order: walking mechanism → traveling frame steel structure → bottom steel structure support → crusher → plate feeder (4) → silo → electrical control room → platform handrail → maintenance crane → lubrication pump station → transformer → magnetic yoke assembly → forearm unloading conveyor (3).

2. The method for long-distance relocation of a crushing station according to claim 1, characterized in that, In S2 and S6 above, a 150-ton crane (1) and a 200-ton crane (2) are selected, and a forklift is used as an auxiliary.

3. The method for long-distance relocation of a crushing station according to claim 1, characterized in that, In S3 and S7 above, a steel wire rope with a length of 6m and a diameter of 39mm is selected, and one end of the steel wire rope is connected to the lifting lug on the detachable minimum functional unit.

4. The method for long-distance relocation of a crushing station according to claim 1, characterized in that, In the above-mentioned S8, the specific process of commissioning the crushing station is as follows: ensuring that each functional unit can start and stop safely and operate normally during the no-load and heavy-load trial operation of the system, and at the same time, under the premise of ensuring safety, completing the no-load start and stop and heavy-load start and stop of the entire crushing station according to the established procedure, and completing the relevant test content in the process.

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