Vertical belt storage device
By designing a vertical belt storage device and using the technology of a combination of a redirecting drum set and a pulley set, the problem of insufficient space for the belt storage device in urban tunnel construction is solved, efficient slag storage and transportation is achieved, and construction efficiency and safety are improved. sex.
Patent Information
- Application Number
- CN201910778855.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-08-22
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2039-08-22
AI Technical Summary
During the construction of urban underground tunnels, the treatment and transportation of slags constructed by shield structure (TBM) affect the excavation speed. The existing horizontally arranged belt storage devices are difficult to meet the needs of large-capacity belt storage in narrow starting wells, resulting in low transportation efficiency and construction environment. pollute.
Design a vertical belt storage device, including a bracket, a bottom frame, a top frame, a mobile frame, a tensioning winch and a weight box. Through the combination of a redirecting drum set and a pulley set, efficient storage and tensioning of the belt is achieved, and it is equipped with a safe anti-fall Devices and control systems ensure structural stability and safety.
It solves the problem of realizing large-capacity tape storage in a small space, improves construction advancement capabilities and safety, shortens the construction cycle, reduces construction costs, and creates favorable conditions for civilized construction and safe construction.
Smart Images

Figure CN110356770B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a tape storage device, in particular to a vertical tape storage device. Background Art
[0002] At present, most of the underground tunnels in Chinese cities are excavated by TBM. The treatment and transportation of slag in TBM construction is an important factor affecting the tunnel excavation speed. In order to achieve efficient and rapid advancement of TBM, slag is generally transported by continuous conveyor. The matching continuous conveyor needs to have a large-capacity belt storage device that can store 400-600m of conveyor belt. According to the usual horizontal layout, the storage device requires a large space for layout, and a starting shaft with a length of 100-150m is required for layout. However, due to the constraints of ground buildings, traffic and other conditions, the starting shaft of urban underground rail transit is generally small, which is difficult to meet the space requirements for the horizontal layout of the large-capacity belt storage device of the continuous conveyor. Therefore, many construction units currently have to use locomotives to transport slag. Since locomotive transportation is discontinuous, as the excavation face continues to advance, the locomotive transportation efficiency will be further reduced, which seriously restricts the excavation capacity and advancement speed of the TBM. In addition, the exhaust gas generated by the locomotive will cause serious pollution to the tunnel construction environment, resulting in low transportation efficiency, poor construction environment and safety.
[0003] See also Figure 1 In the prior art, the publication number: CN203961988U discloses a belt storage bin and a tunnel boring machine system connected to a tunnel boring machine, wherein the belt storage bin is arranged vertically, the counterweight directly pulls the belt in the bin, and the sliding car is connected through a driving mechanism, and a certain amount of belts in the bin are released by the counterweight rising. When the counterweight reaches the top position, the driving mechanism pulls the sliding car up, so that the counterweight drops to a specified low position, and starts to release the belt again over a short distance. Since the counterweight directly pulls the belt, and the sliding car pulls the multi-layer belts of the belt storage bin, in order to ensure that the sliding body is stationary during work, it is necessary to add a device to fix the sliding car. At the same time, the weight of the sliding car needs to offset the sum of the tension of the multi-layer belts, so the weight of the sliding car is abnormally large, and the structural strength requirements are extremely high. The unreasonable structure will make it difficult to achieve in engineering applications. At the same time, there are no effective structural measures to prevent the sliding body, the counterweight body, and the belt from falling after the rope or belt breaks, which may cause major accidents, which is not conducive to the requirements of urban subway tunnel construction. Summary of the invention
[0004] In order to solve the above problems, the present invention provides a vertical tape storage device.
[0005] To achieve the above object, the technical solution of the present invention is as follows:
[0006] A vertical tape storage device, the vertical tape storage device comprising:
[0007] A bracket, wherein the inside of the bracket is hollow and the bracket is arranged on one side of the continuous conveyor;
[0008] A base frame, the base frame is arranged at the bottom of the bracket, and a plurality of first redirecting roller groups are arranged on the base frame;
[0009] A top frame, the top frame is arranged on the top of the bracket, and a plurality of first pulleys are arranged on the top frame;
[0010] A mobile frame, the mobile frame is movably arranged in the bracket and is located between the bottom frame and the top frame, a plurality of second redirecting roller groups are arranged at the bottom of the mobile frame, a plurality of second pulleys are arranged at the top of the mobile frame, the belt on the continuous conveyor can enter the bracket, pass through each first redirecting roller group and each second redirecting roller group, and then come out of the bracket, a plurality of guide wheels are arranged on both sides of the mobile frame, and the guide wheels can move along the rod body on the bracket;
[0011] A tensioning winch, wherein the tensioning winch is arranged on one side of the bracket;
[0012] A weight box is arranged on the other side of the bracket, and the wire rope on the tensioning winch can be connected to the weight box through each first pulley and each second pulley.
[0013] In a preferred embodiment of the present invention, the bracket is a rectangular steel structure.
[0014] In a preferred embodiment of the present invention, a plurality of guide wheels are respectively provided on both sides of the movable frame, and the guide wheels can move along the rod body on the frame.
[0015] In a preferred embodiment of the present invention, the vertical belt storage device further comprises a safety anti-falling device, which is fixed on the top frame and connected to the moving frame via a steel wire rope.
[0016] In a preferred embodiment of the present invention, the vertical belt storage device further includes a bottom buffer device, which is arranged on the other side of the bracket and corresponds to the weight box.
[0017] In a preferred embodiment of the present invention, each first redirecting roller group includes a first roller and a first small-diameter roller, wherein the first roller is arranged on the outer surface of the movable frame, and the first small-diameter roller is embedded in the movable frame and located below the first roller.
[0018] In a preferred embodiment of the present invention, each second redirecting roller group includes a second roller and a second small-diameter roller, wherein the second roller is arranged on the outer surface of the base frame, and the second small-diameter roller is embedded in the base frame and located above the second roller.
[0019] In a preferred embodiment of the present invention, the first roller, the first small-diameter roller, the second roller and the second small-diameter roller are all drum-shaped rollers.
[0020] In a preferred embodiment of the present invention, a plurality of anti-deviation devices are respectively provided on the movable frame and the base frame, each of which is located between any two adjacent first small-diameter rollers on the movable frame or between any two adjacent second small-diameter rollers on the base frame, and can contact the belt passing through the first small-diameter roller or the second small-diameter roller.
[0021] In a preferred embodiment of the present invention, the vertical belt storage device also includes a control system, which includes a weight upper limit switch, a lower limit switch, at least one movable frame limit switch and a control device, the weight upper limit switch is arranged on the outer surface of the bracket and corresponds to the weight box, the weight lower limit switch is arranged on the outer surface of the bracket, located below the weight upper limit switch and above the weight box, the weight lower limit switch corresponds to the weight box, the movable frame limit switch is arranged in the bracket and corresponds to the movable frame, and the control device is respectively connected to the weight upper limit switch, the weight lower limit switch, the movable frame limit switch and the tensioning winch.
[0022] The beneficial effects of the present invention are:
[0023] The present invention solves the problem of realizing the large-capacity belt storage function of the continuous conveyor in a narrow starting shaft during urban tunnel construction. The layout is reasonable and compact, and it has complete safety protection measures. It solves the problem that the construction advancement speed is seriously restricted due to insufficient supporting transportation capacity, greatly improves the construction advancement capacity and construction safety, shortens the construction period, reduces the construction cost, and creates favorable conditions for civilized and safe construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0025] Figure 1 It is a structural schematic diagram of an existing vertical belt storage device;
[0026] Figure 2 It is a schematic diagram of the cooperation between the present invention and a continuous conveyor;
[0027] Figure 3 It is a structural schematic diagram of the present invention;
[0028] Figure 4 It is a partial enlarged view of the stent;
[0029] Figure 5 It is a schematic diagram of the structure of the anti-deviation device;
[0030] Figure 6 A top view of the anti-slip device;
[0031] Figure 7 is a schematic diagram of the structure of a wheel assembly;
[0032] Figure 8 It is a structural schematic diagram of the anti-fall component;
[0033] Fig. 9 It is a side view of the fall prevention assembly;
[0034] Fig.10 It is the structural diagram of the control system;
[0035] Fig.11 It is the control flow chart of the control system. DETAILED DESCRIPTION
[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.
[0037] See also Figures 1 to 11 The vertical belt storage device provided by the present invention includes a bracket 100, a base frame 110, a top frame 120, a movable frame 130, a tensioning winch 140 and a weight box 150.
[0038] The bracket 100 is the outer shell of the present application, and is specifically a rectangular steel structure.
[0039] The base frame 110 is disposed at the bottom of the bracket 100 , and a plurality of first redirecting roller groups are disposed on the base frame 110 .
[0040] The top frame 120 is disposed on the top of the bracket 100 , and a plurality of first pulleys 121 are disposed on the top frame 120 .
[0041] The movable frame 130 is movably disposed in the bracket 100 and is located between the bottom frame 110 and the top frame 120 . Specifically, a plurality of guide wheels are respectively disposed on both sides of the movable frame 130 , and the guide wheels can move along the rod body on the bracket 100 .
[0042] A plurality of second redirecting roller groups are provided at the bottom of the moving frame 130 , and a plurality of second pulleys 131 are provided at the top of the moving frame 130 .
[0043] The second redirecting roller group cooperates with the first redirecting roller group to store the belt on the continuous conveyor 200. The belt can enter the bracket 100, pass through each first redirecting roller group and each second redirecting roller group, and then come out of the bracket 100 and return to the continuous conveyor 200, thereby realizing belt storage.
[0044] Each first redirecting roller set includes a first roller 310 and a first small-diameter roller 320 , and each second redirecting roller set includes a second roller 330 and a second small-diameter roller 340 .
[0045] Each first roller 310 is evenly spaced on the outer surface of the moving frame 130, and each first small-diameter roller 320 is evenly spaced and embedded in the moving frame 130, and each first small-diameter roller 320 is just located below a first roller 310.
[0046] The first small-diameter roller 320 is specifically located in the vertical center direction of the corresponding first roller 310 , that is, directly below the first roller 310 , and the diameter of the first small-diameter roller 320 is smaller than that of the first roller 310 .
[0047] The second rollers 330 are evenly spaced on the outer surface of the base frame 110 , and the second small-diameter rollers 340 are evenly spaced and embedded in the base frame 110 , and each second small-diameter roller 340 is located just above a second roller 330 .
[0048] The second small-diameter roller 340 is specifically located in the vertical center direction of the corresponding second roller 330 , that is, directly above the second roller 330 , and the diameter of the second small-diameter roller 340 is smaller than that of the second roller 330 .
[0049] In addition, the diameter of the second small-diameter roller 340 is specifically equal to the diameter of the first small-diameter roller 320 , and the diameter of the second roller 330 is specifically equal to the diameter of the first roller 310 .
[0050] The first roller 310 , the first small-diameter roller 320 , the second roller 330 and the second small-diameter roller 340 are all drum-shaped rollers, which can prevent the belt from deviating and improve stability.
[0051] The following is the specific cooperation and belt storage process of the first redirecting roller group and the second redirecting roller group:
[0052] The belt enters the bracket 100 from the introduction roller 111 on the base frame 110, then wraps upward around the first first roller 310 on the movable frame 130 and then wraps downward around the first second small-diameter roller 340 on the base frame 110. After winding out, it wraps upward around the second first roller 310 on the movable frame 130. The above steps are repeated in sequence until the last first roller 310 on the movable frame 130 wraps downward around the last second small-diameter roller 340 on the base frame 110 and then wraps upward around the last first small-diameter roller 320 on the movable frame 130 in the reverse direction. After winding out, the belt wraps around the last second roller 330 on the base frame 110 again, and then wraps upward around the second-to-last first small-diameter roller 320 on the movable frame 130 after winding out. The above steps are repeated in sequence until it is finally wound around the first first small-diameter roller 320 on the movable frame 130, and finally winds out of the bracket 100 from the introduction roller 112 on the base frame 110.
[0053] By setting the above-mentioned first redirecting roller group and second redirecting roller group, since the belts are embedded and wound between rollers of different diameters between the movable frame 130 and the base frame 110, and the spacing between the belts is determined by the diameter difference between the large and small rollers and the arrangement positions of the rollers in the movable frame and the rollers in the fixed frame, the present application adopts the first small diameter roller 320 and the second small diameter roller 340 as an embedded type, so that the first small diameter roller 320 and the first roller 310 are not in the same horizontal plane, the second small diameter roller 340 and the second roller 330 are not in the same horizontal plane, and the diameter of the first small diameter roller 320 is set to be smaller than the first roller 310, and the diameter of the second small diameter roller 340 is set to be smaller than the second roller 330, so that the spacing between the mutually wound belts is very small, the number of belt storage layers is more, and the belt storage capacity that is twice that of the commonly used belt storage method can be stored in a limited belt storage space, and the structure is compact, which can meet the requirements of small construction sites for large-capacity belt storage capacity.
[0054] The tensioning winch 140 is arranged on one side of the bracket 100, and the weight box 150 is arranged on the other side of the bracket 100. The wire rope on the tensioning winch 140 can be connected to the weight box 150 through each first pulley 121 and each second pulley 131, so that the tensioning winch 140 can control the movable frame 130 to move up and down in the bracket 100, and when the tensioning winch 140 is not working, the belt in the belt storage device is reduced and the movable frame 130 can be pulled downward. At the same time, the extension of the wire rope between the first pulley 121 and the second pulley 131 drives the weight box 150 upward.
[0055] In addition, a bottom buffer device 160 is provided on one side of the bracket 100 . When the weight box 150 falls, it can fall into the bottom buffer device 160 . The bottom buffer device 160 provides buffering protection for the weight box 150 .
[0056] The following is the specific working process of this application:
[0057] During the belt-renewing operation of the continuous conveyor 200, the weight box 150 falls onto the bottom buffer device 160. After the new belt is connected, the tensioning winch 140 starts working and pulls the movable frame 130 to rise by the steel wire rope. As the movable frame 130 rises, the belt is gradually collected between the first redirecting roller group and the second redirecting roller group. When the belt is stored, the belt will be tightened to pull the rising movable frame 130. As the tensioning winch 140 continues to operate, the movable frame 130 is stationary at this time. The tensioning winch 140 will lift the weight box 150 to the working low position through the steel wire rope. The steel wire ropes wound between the first pulleys 121 and the second pulleys 131 on the top frame 120 and the movable frame 130 will apply force to the belt wound between the first redirecting roller group and the second redirecting roller group through the movable frame 130, thereby applying tension to the belt.
[0058] As the shield machine (TBM) moves forward, the belt wound between the first redirection roller group and the second redirection roller group will be reduced synchronously, causing the moving frame 130 to descend. At this time, the moving frame 130 will automatically rise the weight box 150 by pulling the wire rope. When it rises to the working top position, the moving frame 130 will work to lower the weight box 150 to the working low position. This cycle will continue until the belt wound between the first redirection roller group and the second redirection roller group is completely released, and the next belt re-spinning work will begin.
[0059] A safety anti-falling device is also provided on the top frame 120 , and the safety anti-falling device is connected to the moving frame 130 through a steel wire rope. When the steel wire rope on the tensioning winch 140 breaks, the safety anti-falling device can prevent the moving frame 130 from falling, thereby protecting the moving frame 130 .
[0060] The safety anti-falling device includes a plurality of anti-falling components 400 , which are respectively arranged on the top frame 120 and respectively connected to the moving frame 130 .
[0061] Each anti-falling assembly 400 includes a housing 410 , a ratchet spindle 420 , a ratchet 430 and a limiting structure 440 .
[0062] The housing 410 is mounted on the top frame 120 , and can be mounted specifically by means of bolts.
[0063] The ratchet spindle 420 is rotatably disposed in the housing 410 , and the ratchet 430 is disposed on the ratchet spindle 420 and is rotatable on the ratchet spindle 420 .
[0064] A steel wire rope 431 is wound around the outside of the ratchet 430 , and the steel wire rope 431 is connected to the moving frame 130 , so that the steel wire rope 431 can be retracted and released by rotating the ratchet 430 .
[0065] In addition, a coil spring 432 is provided inside the ratchet 430, and the coil spring 432 is used to provide elastic force for the ratchet 430. When the movable frame 130 moves downward, it will provide a downward pulling force, and the ratchet 430 will overcome the elastic force of the coil spring 432 to rotate, and the wire rope 431 on the ratchet 430 will also be separated from the ratchet 430. When the movable frame 130 moves upward, there is no downward pulling force, and the ratchet 430 is reset under the action of the coil spring 432, thereby reeling the wire rope 431.
[0066] The limiting structure 440 is arranged in the shell 410 and can contact the ratchet 430. When the moving frame 130 moves downward at a too high speed, the limiting structure 440 can limit the ratchet 430. After the ratchet 430 stops rotating, the moving frame 130 will be pulled by the wire rope 431 to prevent the moving frame 130 from falling.
[0067] The limiting structure 440 specifically includes a rotating shaft 441 , a double stop key 442 and a tension spring 443 .
[0068] The rotating shaft 441 is arranged in the shell 410, and the double stop key 442 is arranged on the rotating shaft 441. One end of the double stop key 442 can be inserted into any tooth groove of the ratchet 430. One end of the tension spring 443 is fixed in the shell 410, and the other end is connected to the double stop key 442 to provide elastic force for the double stop key 442.
[0069] When the moving frame 130 moves slowly, the convex teeth on the outside of the ratchet 430 can support the double stop key 442 for rotation. When the moving frame 130 breaks and moves downward quickly, the double stop key 442 can be inserted into any tooth groove of the ratchet 430, thereby locking the ratchet 430. At this time, the ratchet 430 pulls the moving frame 130 through the wire rope 431, thereby preventing the moving frame 130 from falling.
[0070] In addition, based on the above-mentioned limiting structure 440, the present application also provides an optimization solution, and the limiting structure 440 includes a speed sensor, a driving motor, a rotating shaft and a double stop key.
[0071] The speed sensor is arranged on the moving frame 130 for testing the moving speed of the moving frame 130 in real time and is connected to the driving motor, while the rotating shaft is arranged in the housing and the double stop key is arranged on the rotating shaft.
[0072] Under normal circumstances, the double stop key does not contact the ratchet 430. When the speed sensor detects that the moving speed of the moving frame 130 is too fast, such as greater than 2m / s, the speed sensor will turn on the drive motor, and the drive motor will drive the rotating shaft to rotate, thereby driving the double stop key to rotate. At this time, the double stop key will contact the ratchet 430, and one end of the double stop key will be stuck in any tooth groove of the ratchet 430, thereby locking the ratchet 430. This can further improve stability and ensure that the ratchet 430 can be locked.
[0073] In addition, a plurality of anti-deviation devices 500 are respectively provided on the movable frame 130 and the base frame 110. Each anti-deviation device 500 is located between any two adjacent first small-diameter rollers 320 on the movable frame 130 or between any two adjacent second small-diameter rollers 340 on the base frame 110. In this way, it is located exactly where the spacing between the multiple layers of belts is smaller. When the belt on the first small-diameter roller 320 or the second small-diameter roller 340 deviates, it will contact the anti-deviation device 500, thereby blocking the belt.
[0074] The anti-slip device 500 includes a mounting base 510 , a wheel assembly mounting seat 520 and a wheel assembly 530 .
[0075] The mounting base 510 may be specifically a mounting plate, on which screw holes 511 are provided, and then the mounting base 510 may be detachably mounted on any position of the mobile frame 130 or the base frame 110 by means of screws.
[0076] The wheel assembly mounting seat 520 may specifically include two symmetrical brackets, which are symmetrically and removably mounted on both ends of the mounting base 510 by screws, and are used to mount the wheel assembly 530 .
[0077] The wheel assembly 530 includes a plurality of bearings 531 and a wheel main shaft 532 .
[0078] A groove body corresponding to the end of the wheel set main shaft 532 can be set on each bracket, and the two ends of the wheel set main shaft 532 are respectively inserted into the groove body. A locking washer 533 and a round nut 534 are respectively provided at the two ends of the wheel set main shaft 532. The wheel set main shaft 532 can be locked on the wheel set mounting seat 520 through the locking washer 533 and the round nut 534.
[0079] A plurality of bearings 531 are respectively sleeved on the wheel set main shaft 532 and can rotate on the wheel set main shaft 532 .
[0080] The width of the bearing 531 is greater than the width of the belt on the first small-diameter roller 320 or the second small-diameter roller 340. When the belt on the first small-diameter roller 320 or the second small-diameter roller 340 deviates, it will contact the bearing 531 closest to it, and the bearing 531 can rotate in the direction of the belt to prevent the belt from deviating.
[0081] Since each bearing 531 can rotate independently on the wheel assembly main shaft 532, when multiple layers of belts deviate to a certain anti-deviation device, each layer of belts will be blocked by a different bearing 531. Although the running directions of adjacent belts are opposite, the bearings 531 can also rotate in different directions, thereby effectively preventing the deviation of each layer of belts.
[0082] In addition, a retaining ring 540 is provided between every two adjacent bearings 531 on the wheel assembly main shaft 532 , so as to ensure that each bearing 531 rotates independently without being affected by adjacent bearings 531 .
[0083] The present application also includes a control system, which is used to realize the automatic operation of the present application, thereby greatly improving safety and work efficiency.
[0084] The control system includes a weight upper limit switch 610 , a weight lower limit switch 620 , at least one moving frame limit switch 630 and a control device 640 .
[0085] The weight upper limit switch 610 is arranged on the outer surface of the bracket 100 and its installation position corresponds to the weight box 150 of the bracket 100. When the weight box 150 rises to a certain height, it will contact the weight upper limit switch 610.
[0086] The weight lower limit switch 620 is also arranged on the outer surface of the bracket 100, and the installation position also corresponds to the weight box 150. It is located below the weight upper limit switch 610 and above the weight box 150. The weight box 150 will contact it when falling back.
[0087] The control device 640 is connected to the upper limit switch 610 of the weight, the lower limit switch 620 of the weight and the tensioning winch 140 of the bracket 100 respectively.
[0088] The control device 640 is specifically a PLC controller, which can receive the sensing signals of the weight upper limit switch 610 and the weight lower limit switch 620, and control the start and stop of the tensioning winch 140 according to the received sensing signals.
[0089] In addition, the PLC controller is also connected to a display screen with a touch interface, which can display the status of the tensioning winch 140 in real time and judge the fault status of the tensioning winch 140 through a built-in program, so that the staff can observe the working status of the system in real time.
[0090] Furthermore, a reset button is also provided on the display screen. When there are warning prompts and faults on the touch screen interface on the display screen, the reset button is manually operated to reset the warnings and faults.
[0091] When the weight box 150 is off the ground, the weight of the weight box 150 is transmitted through the wire rope to pull the moving frame 130 of the bracket 100, so as to provide the required tensioning force for the continuous conveyor belt. During normal operation, the tensioning winch 140 is in a stopped state.
[0092] When the belt in the support 100 moves with the belt conveyor, it is dragged by the front shield machine (TBM) to extend the belt. During the whole process, the moving frame 130 will slowly fall down, and under the pulling force of the moving frame 130, the weight box 150 will slowly rise. When the weight box 150 reaches the upper limit position of the weight box 150, that is, the setting position of the weight upper limit switch 610, it will contact the weight upper limit switch 610. After the weight upper limit switch 610 contacts the weight box 150, it will send a sensing signal to the control device 640, and the control device 640 will start the tensioning winch 140.
[0093] As the tensioning winch 140 works, the weight box 150 will slowly fall, and when the weight box 150 reaches the lower limit position, that is, the setting position of the weight lower limit switch 620, it will contact the weight lower limit switch 620. After the weight lower limit switch 620 contacts and senses the weight box 150, it will send a sensing signal to the control device 640, and the control device 640 will shut down the tensioning winch 140.
[0094] In this way, the maximum rising height and the minimum falling depth of the weight box 150 can be limited by the weight upper limit switch 610 and the weight lower limit switch 620, which greatly improves safety and does not require manual control of the tensioning winch 140, greatly improving work efficiency.
[0095] The movable frame limit switch 630 is disposed inside the support 100 and connected to the control device 640 . The limit switch 630 is used to sense the descending position of the movable frame 130 and send the sensed position signal to the control device 640 .
[0096] The specific number of the mobile rack limit switches 630 is determined according to actual needs. In this embodiment, two can be set. The first mobile rack limit switch 630 can be set at a position close to the fixed frame 540 of the bracket 100, and the second mobile rack limit switch 630 is set above the first mobile rack limit switch 630.
[0097] The control device 640 is also connected to an alarm device, which can be a speaker. When the mobile rack 130 contacts the second mobile rack limit switch 630 when descending, the control device 640 can control the alarm device to sound an alarm, indicating that the belt in the bracket 100 is about to run out, and reminding the staff.
[0098] When the moving frame 130 contacts the first moving frame limit switch 630 while descending, the control device 640 will control the alarm device to alarm again and close the tensioning winch 140, which means that the belt in the bracket 100 has been exhausted.
[0099] The above-mentioned weight upper limit switch 610, weight lower limit switch 620, and movable frame limit switch 630 are all position sensors, which are existing mechanisms.
[0100] In addition, the present application also includes a first position sensor and a second position sensor. The first position sensor is arranged on the outer surface of the bracket 100 and is located above the upper limit switch 610 of the weight. The second position sensor is arranged on the outer surface of the bracket 100 and is located below the lower limit switch 620 of the weight.
[0101] When the system goes wrong, after the weight box 150 rises and passes the position of the weight upper limit switch 610, the tensioning winch 140 does not work, and the weight box 150 continues to rise. After hitting the first position sensor, the control device 640 will control the alarm device to alarm, and then the staff can be reminded to urgently open the tensioning winch 140 or urgently shut down the continuous conveyor, thereby improving safety.
[0102] Similarly, when the weight box 150 passes the weight lower limit switch 620 during the falling process, the tensioning winch 140 is still working, and the weight box 150 continues to descend. After hitting the second position sensor, the control device 640 will control the alarm device to alarm, and then the staff can be reminded to urgently shut down the tensioning winch 140 or the continuous conveyor, thereby improving safety.
[0103] In addition, there are remote control programs and local control programs inside the PLC controller.
[0104] The remote control program calculates the position of the weight box and the warning position when the weight box reaches the warning position through the CPU inside the PLC controller. It automatically executes the tape unwinding operation without human operation. When the weight box reaches the set initial position, the tape unwinding operation is automatically stopped and waits for the next tape unwinding process.
[0105] The local control program is linked with the tensioning winch through the display screen, and the operator controls the operation of the tensioning winch by touching the buttons on the display screen.
[0106] In addition, a delay protection module is also provided on the PLC controller. When the lower limit switch of the weight fails, the delay protection module determines that the running time of the tensioning winch exceeds the set protection time, and the tensioning winch will automatically stop the tensioning winch.
[0107] In addition, a communication detection module is also provided on the PLC controller. When the communication detection module detects that the communication between the vertical belt storage device and the belt conveyor is interrupted, the vertical belt storage device can be stopped immediately.
[0108] Furthermore, the PLC controller is also equipped with an Ethernet interface, through which the PLC controller is connected to the host computer, so that the operating status of the system and the device status can be provided to the host computer.
[0109] In this way, by setting up the above-mentioned control system, the present application can provide the required belt tensioning force when the continuous conveyor is running, monitor the position of the movable frame and the weight box, automatically control the winch to release the weight box to the lower limit when the weight box runs to the upper limit position during the belt unwinding process, implement multiple over-limit protection measures, monitor the motor status and other functions, thereby greatly improving work efficiency and safety.
[0110] In addition, the present invention adopts two working modes: remote control and local control, which can not only realize unmanned intelligent operation during the working process, but also allow personnel to intervene in time in emergency situations to meet the control requirements of the construction site.
[0111] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A vertical belt storage device, characterized in that: The vertical belt storage device comprises: A bracket, wherein the inside of the bracket is hollow and the bracket is arranged on one side of the continuous conveyor; A base frame, the base frame is arranged at the bottom of the bracket, and a plurality of second redirecting roller groups are arranged on the base frame; each of the second redirecting roller groups includes a second roller and a second small-diameter roller, the second roller is arranged on the outer surface of the base frame, the second small-diameter roller is embedded in the base frame and located above the second roller, and the second roller and the second small-diameter roller are distributed on different vertical planes; A top frame, wherein the top frame is arranged on the top of the bracket, and a plurality of first pulleys are arranged on the top frame; a safety anti-falling device is also arranged on the top frame, and the safety anti-falling device is connected to the mobile frame through a steel wire rope. When the steel wire rope on the tensioning winch breaks, the safety anti-falling device can prevent the mobile frame from falling and protect the mobile frame; the safety anti-falling device includes a plurality of anti-falling components, which are respectively arranged on the top frame and respectively connected to the mobile frame, and each anti-falling component includes a shell, a ratchet spindle, a ratchet and a limiting structure; a housing mounted on the top frame; The ratchet main shaft is rotatably arranged in the housing, and the ratchet is arranged on the ratchet main shaft and can rotate on the ratchet main shaft; a steel wire rope is wound around the outside of the ratchet, and the steel wire rope is connected to the moving frame, so that the steel wire rope can be retracted and released by rotating the ratchet; A coil spring is arranged inside the ratchet wheel, and the coil spring is used to provide elastic force for the ratchet wheel. When the movable frame moves downward, it provides downward pulling force, and the ratchet wheel will overcome the elastic force of the coil spring to rotate, and the wire rope on the ratchet wheel will also be separated from the ratchet wheel. When the movable frame moves upward, since there is no downward pulling force, the ratchet wheel will be reset under the action of the coil spring, so that the wire rope will be wound up; The limiting structure is arranged in the housing and can contact with the ratchet. When the moving frame moves downward at a too high speed, the limiting structure can limit the ratchet. After the ratchet stops rotating, the moving frame will be pulled by the wire rope to prevent the moving frame from falling. The limit structure includes a speed sensor, a drive motor, a rotating shaft and a double stop key. The speed sensor is arranged on the mobile frame, used for testing the moving speed of the mobile frame in real time, and connected to the drive motor. The rotating shaft is arranged in the housing, and the double stop key is arranged on the rotating shaft. The double stop key does not contact the ratchet wheel under normal circumstances. When the speed sensor detects that the moving speed of the mobile frame is too fast, the speed sensor will turn on the drive motor, and the drive motor will drive the rotating shaft to rotate, thereby driving the double stop key to rotate. At this time, the double stop key will contact the ratchet wheel, and one end of the double stop key will be stuck in any tooth groove of the ratchet wheel, thereby locking the ratchet wheel; A mobile frame, the mobile frame is movably arranged in the bracket and is located between the bottom frame and the top frame, a plurality of first redirecting roller groups are arranged at the bottom of the mobile frame, each first redirecting roller group includes a first roller and a first small-diameter roller, the first roller is arranged on the outer surface of the mobile frame, the first small-diameter roller is embedded in the mobile frame and is located below the first roller, and the first roller and the first small-diameter roller are distributed on different vertical planes; the first redirecting roller group cooperates with the second redirecting roller group to store the belt on the continuous conveyor; The first small diameter roller and the second small diameter roller are embedded, so that the first small diameter roller is not in the same horizontal plane as the first roller, and the second small diameter roller is not in the same horizontal plane as the second roller, and the diameter of the first small diameter roller is set to be smaller than the first roller, and the diameter of the second small diameter roller is set to be smaller than the second roller, so that the spacing between the belts that are wound around each other is very small; a plurality of second pulleys are arranged on the top of the moving frame, and the belt on the continuous conveyor can enter the frame, pass through each first redirecting roller group and each second redirecting roller group, and then come out of the frame and return to the continuous conveyor, and a plurality of guide wheels are arranged on both sides of the moving frame, and the guide wheels can move along the rod body on the frame; A tensioning winch, wherein the tensioning winch is arranged on one side of the bracket; A weight box is arranged on the other side of the bracket, and the steel wire rope on the tensioning winch can be connected to the weight box through each first pulley and each second pulley; so that the tensioning winch can control the movable frame to move up and down in the bracket, and when the tensioning winch is not working, the belt in the belt storage device can pull the movable frame downward after the belt is reduced, and at the same time, the extension of the steel wire rope between the first pulley and the second pulley drives the weight box upward; The movable frame and the base frame are respectively provided with a plurality of anti-deviation devices, each of which is located between any two adjacent first small-diameter rollers on the movable frame or between any two adjacent second small-diameter rollers on the base frame, and can contact the belt passing through the first small-diameter roller or the second small-diameter roller; the anti-deviation device comprises a mounting base, a wheel set mounting seat and a wheel set assembly, the mounting base is a mounting plate, a screw hole is provided in the mounting plate, and then the mounting base is detachably mounted on any position of the movable frame or the base frame by screws; the wheel set mounting seat comprises two symmetrical brackets, which are detachably and symmetrically mounted at both ends of the mounting base by screws, and are used to install the wheel set assembly, the wheel set assembly comprises a plurality of bearings and a wheel set main shaft, a groove body corresponding to the end of the wheel set main shaft can be arranged on each bracket, and the two ends of the wheel set main shaft are respectively inserted into the groove body, and a stop washer and a round nut are respectively arranged at both ends of the wheel set main shaft, and the wheel set main shaft can be locked on the wheel set mounting seat by the stop washer and the round nut; A control system, the control system comprising a weight upper limit switch, a lower limit switch, at least one limit switch for a movable frame, a control device, a first position sensor, and a second position sensor, the weight upper limit switch being arranged on the outer surface of the frame and correspondingly matched with a weight box, the weight lower limit switch being arranged on the outer surface of the frame, being located below the weight upper limit switch and above the weight box, the weight lower limit switch being correspondingly matched with the weight box, and the movable frame limit switch being arranged in the frame and correspondingly matched with the movable frame; The control device is specifically a PLC controller, which can receive the sensing signals of the upper limit switch of the weight and the lower limit switch of the weight, and control the start and stop of the tension winch according to the received sensing signals; the control device is respectively connected to the upper limit switch of the weight, the lower limit switch of the weight, the limit switch of the mobile frame and the tension winch, the first position sensor and the second position sensor; The first position sensor is arranged on the outer surface of the bracket and is located above the upper limit switch of the weight, and the second position sensor is arranged on the outer surface of the bracket and is located below the lower limit switch of the weight; When the system goes wrong, after the weight box rises and passes the position of the weight upper limit switch, the tension winch does not work, and the weight box continues to rise. After hitting the first position sensor, the control device will control the alarm device to alarm, and then the staff can be reminded to urgently open the tension winch or urgently shut down the continuous conveyor, thereby improving safety; Similarly, when the weight box passes the weight lower limit switch during the falling process, the tension winch is still working, and the weight box continues to fall. After it hits the second position sensor, the control device will control the alarm device to alarm, and then the staff can be reminded to urgently shut down the tension winch or the continuous conveyor, thereby improving safety; The PLC controller is internally provided with a remote control program and a local control program. The remote control program calculates the position of the weight box and the warning position when the weight box reaches the warning position through the CPU inside the PLC controller, and automatically performs the unwinding operation without human operation. When the weight box reaches the set initial position, the unwinding operation is automatically stopped and the next unwinding process is waited for. The local control program is linked with the tensioning winch through the display screen, and the operator controls the tensioning winch by touching the buttons on the display screen. The PLC controller is also provided with a time-delay protection module. When the lower limit switch of the weight fails, the time-delay protection module determines that the running time of the tensioning winch exceeds the set protection time, and the tensioning winch will automatically stop the tensioning winch.
2. A vertical tape storage device according to claim 1, characterized in that: The bracket is a rectangular steel structure.
3. A vertical tape storage device according to claim 2, characterized in that: A plurality of guide wheels are respectively arranged on both sides of the movable frame, and the guide wheels can move along the rod body on the frame.
4. A vertical tape storage device according to claim 1, characterized in that: The vertical belt storage device also includes a bottom buffer device, which is arranged on the other side of the bracket and corresponds to the weight box.
5. A vertical tape storage device according to claim 1, characterized in that: The first roller, the first small-diameter roller, the second roller and the second small-diameter roller are all drum-shaped rollers.
Citation Information
Patent Citations
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