A shaft drilling and excavating integrated construction platform device and method

Abstract

A vertical shaft drilling and digging integrated construction platform device and method, comprising a top beam, a middle platform and a lower platform, the top beam is fixedly installed above the middle platform, the lower platform is movably installed below the middle platform through a telescopic device, a slag turning shovel is installed at the bottom of the middle platform, the slag turning shovel extends downward below the lower platform, a control console is installed on the middle platform, a plurality of support devices are respectively installed on the outer edges of the top beam and the middle platform, and a canopy protection device is installed above the top beam. The construction platform device can better protect the operating personnel from unpredictable sudden problems such as rockfall and rockburst, and can provide the operating personnel with corresponding construction platforms according to the needs of drilling, charging, slag turning, supporting and other construction processes, and create a safe and convenient working environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the vertical shaft drilling construction technical field, especially to a vertical shaft drilling integrated construction platform device and method. BACKGROUND

[0002] The water conservancy project construction process involves a large number of vertical shaft construction, such as ventilation shaft, cable shaft, water diversion shaft and traffic shaft and so on.

[0003] The vertical shaft excavation generally adopts the reverse well method construction, first uses the reverse well drilling machine to excavate the slag chute, and then uses the drilling and blasting cycle to expand from top to bottom layer by layer, and uses the small reverse shovel or manual to flip the slag. In the process of layer-by-layer expansion, the drilling, charging, slag turning, supporting and other construction procedures all need the operating personnel to enter the vertical shaft to operate, due to the complex environment faced by the vertical shaft construction and the sudden problems such as falling stones, rock burst and other unpredictable problems, which can easily threaten the personal safety of the operating personnel in the shaft. The slag chute is generally dozens to hundreds of meters deep, and the operating personnel in the shaft are close to the slag chute construction, and after the loose blasting, a funnel-shaped stone layer will be formed above the slag chute, so the small reverse shovel or manual is needed to flip the slag, which is not convenient for the operation on the loose stone layer, and there is a great safety hazard. SUMMARY

[0004] The technical problem to be solved by the present application is to solve the problems in the above background art, provide a vertical shaft drilling integrated construction platform device, which can better protect the operating personnel from the sudden problems such as falling stones and rock burst, and can provide the operating personnel with the corresponding construction platform according to the needs of drilling, charging, slag turning, supporting and other construction procedures, and create a safe and convenient working environment.

[0005] Another technical problem to be solved by the present application is to provide a method for drilling and digging operation using the vertical shaft drilling integrated construction platform device.

[0006] In order to realize the above technical features, the purpose of the present application is realized as follows: a vertical shaft drilling integrated construction platform device, comprising a top beam, a middle platform and a lower platform, the top beam is fixedly installed above the middle platform, the lower platform is movably installed below the middle platform through a telescopic device, a slag turning shovel is installed at the bottom of the middle platform, the slag turning shovel extends downward below the lower platform, a control console is installed on the middle platform, a plurality of supporting devices are installed on the outer edges of the top beam and the middle platform respectively, and a canopy protection device is installed above the top beam.

[0007] The canopy protection device comprises an umbrella-shaped top cover, a reinforcing rib is arranged below the umbrella-shaped top cover, a buckle is arranged on the lower side of the reinforcing rib, the canopy protection device is connected with the top beam through the buckle, a lifting ring is installed on the upper side of the umbrella-shaped top cover, and the lower end of the lifting ring is connected and fixed with the reinforcing rib.

[0008] The middle platform comprises a middle beam and a middle protective net, the middle part of the middle beam is provided with a rotating disc, the slag turning shovel is installed at the bottom of the middle beam through the rotating disc, the middle protective net comprises a first bottom protective net and a first edge protective net, the first bottom protective net is installed above the middle beam, and the first edge protective net is installed on the upper side edge of the middle beam.

[0009] The lower platform comprises a lower beam and a lower protective net, the middle part of the lower beam is provided with an avoiding hole, the slag turning shovel extends downwards to the lower platform through the avoiding hole, the lower protective net comprises a second bottom protective net and a second edge protective net, the second bottom protective net is installed on the upper side of the lower beam, and the second edge protective net is installed on the upper side edge of the lower beam.

[0010] The telescopic device comprises a support groove, a sliding rod and a driving device, the support groove is located at the edge of the top beam and the middle platform, the upper end of the support groove is fixedly connected with the top beam, and the lower end is fixedly connected with the middle platform, the sliding rod is slidably installed in the support groove, the upper end of the sliding rod is connected with the driving device, and the lower end is connected with the lower platform; the lower end of the groove of the support groove is closed, the upper side of the sliding rod is located at one side of the groove of the support groove and is provided with a mounting hole, a lock catch is rotatably and limitingly installed in the mounting hole, and the lock catch slides up and down in the groove of the support groove and limits the stroke of the sliding rod.

[0011] The driving device comprises a driver, winches and steel cables, the driver is fixedly installed on the top beam, a plurality of winches are installed around the driver, a driving gear is installed on the output shaft of the driver, the driving gear is engaged with the gears of the plurality of winches at the same time, a plurality of guide wheels are installed on the top beam and correspond to the winches and the telescopic device, and the steel cables wound on the winches are connected and fixed with the pull ring at the upper end of the sliding rod after passing through the guide wheels.

[0012] A plurality of transverse rollers and longitudinal rollers are installed in the support groove, the transverse rollers are installed in the support groove and located at the opposite sides of the groove, the longitudinal rollers are installed in the support groove and located at the two sides of the transverse rollers, and the sliding rod is installed in the space surrounded by the transverse rollers and the two longitudinal rollers.

[0013] The support device comprises a clamping seat, a hydraulic rod, a hinge arm, a support base and a telescopic roller assembly, one side of the clamping seat is fixedly connected with the top beam or the middle platform, the other side is connected with one end of the hinge arm, the other end of the hinge arm is connected with the support base, the hydraulic rod is installed in the hinge arm to drive the hinge arm to telescopically move, four corner parts of the side, away from the clamping seat, of the support base are provided with guide grooves, the telescopic roller assembly is installed in the guide grooves, the telescopic roller assembly comprises a spring, a telescopic rod and a roller group, the telescopic rod is slidably connected with the support base, the roller group is installed at the end, away from the clamping seat, of the telescopic rod, the spring is installed on the telescopic rod and abuts against the support base at one end and abuts against the roller group at the other end, and the side, away from the clamping seat, of the support base is provided with anti-skid teeth.

[0014] The folding fence is installed between the middle platform and the lower platform, is installed around the escape hole of the lower platform, is composed of a plurality of grid plates, the plurality of grid plates surround the escape hole, the lower ends of the grid plates are hinged to the lower platform, the upper ends are slidingly connected to the bottom of the middle platform, the upper ends of the grid plates are respectively unfolded outward when the lower platform and the middle platform are close to each other, and the upper ends of the grid plates are close to each other to form a protective structure when the lower platform is away from the middle platform.

[0015] A method for drilling and digging by using the vertical shaft drilling and digging integrated construction platform device, comprising the following steps,

[0016] S1. connecting the construction platform device with the cable of the gantry crane;

[0017] S2. hoisting the construction platform device to the top of the vertical shaft to be excavated by the gantry crane;

[0018] S3. personnel enter the middle platform, and control the gantry crane to lower and place the construction platform device into the vertical shaft through the control console;

[0019] S4. after the support device is completely located in the vertical shaft, controlling the hydraulic rod of the support device through the control console to make the roller group of the support device contact the wall of the vertical shaft and have a certain amount of compression, and the anti-skid teeth of the support seat do not contact the wall of the vertical shaft;

[0020] S5. operating the control console to lower the construction platform device by the gantry crane, and stopping lowering after the construction platform device is lowered above the bedrock surface platform;

[0021] S6. operating the control console to control the rotation of the driver to drive a plurality of winches to rotate and release the steel cable, at this time, the sliding rod slides downward along the support groove, and the lower platform also moves downward to form a working surface for drilling and charging on the bedrock surface; in the process of moving the lower platform downward, the folding fence closes to form a cylindrical protective structure;

[0022] S7. after the drilling and charging process is completed, operating the control console to control the gantry crane to lift the construction platform device to a safe height to perform the loosening blasting operation;

[0023] S8. operating the control console to control the rotation of the driver to drive a plurality of winches to rotate and release the steel cable, at this time, the sliding rod slides upward along the support groove, and the lower platform also moves upward and finally adheres to the upper platform; in the process of moving the lower platform upward, the folding fence is unfolded;

[0024] S9. The operation console makes the gantry crane lower the construction platform device, and the construction platform device is lowered to above the blasting layer, then the hydraulic rod of the support device is controlled to be further elongated, the anti-skid teeth of the support seat are in contact with the shaft wall, the loose stone chippings are scraped into the stone channelling well by the control of the slag turning shovel, and one cycle of drilling and digging operation is completed.

[0025] The present application has the following beneficial effects:

[0026] 1. The construction platform device is lowered into the shaft through the gantry crane, and hydraulic support devices are installed around the platform device, which can ensure that the construction platform stably slides on the shaft wall during the lowering or lifting of the platform, and the design of the hydraulic support device replaces the traditional need to lay vertical slides around the shaft wall to keep the stability of the basket, thereby saving the process of laying vertical slides after each drilling and blasting cycle, accelerating the construction process, and improving the expansion efficiency. The platform device is provided with two layers of construction platforms, the middle platform is used for slag turning control operation, and the lower platform is used for drilling, charging and supporting operation. Meanwhile, the lower platform can be lifted and lowered within a certain range relative to the middle platform. When the slag turning operation is performed, the lower platform is lifted to be attached to the middle platform to provide space for the slag turning shovel to turn the slag. The slag turning shovel can be freely and greatly moved. When drilling, charging and supporting operations are needed, the lower platform is lowered. This design can reduce the overall length of the construction platform device, effectively reduce the clearance height of the gantry crane for lifting the platform device, and relatively reduce the height of the chamber reserved for shaft excavation in the mountain chamber. Meanwhile, the integrated design of the construction platforms for drilling, charging, slag turning and supporting processes can reduce the space for storing construction facilities and equipment in the upper end chamber of the shaft, and also greatly reduces the locking and dismounting links of the gantry crane hook and the construction platform device. The canopy protection device is used to protect the entire construction platform device below from falling stones in the shaft to prevent harm to personnel. The construction platform device can provide better protection for workers in the event of unpredictable sudden problems such as falling stones and rock bursts, and can provide the corresponding construction platform for workers according to the needs of drilling, charging, slag turning and supporting construction processes, creating a safe and convenient working environment.

[0027] 2. The driving device adopts a winch driven steel wire rope driving structure, which not only enables the lower platform to be attached to the middle platform, but also enables the canopy protection device to completely cover the lower part, and the structure is more compact in height.

[0028] 3. A folding fence is installed between the middle platform and the lower platform to prevent the risk of falling from the escape hole of the lower platform during operation of the lower platform. The folding fence not only protects the escape hole, but also does not affect the up and down extension of the lower platform. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1A state diagram for the operation of the present application.

[0030] Figure 2 A front view structural diagram of the present application.

[0031] Figure 3 A bottom view structural diagram of the present application.

[0032] Figure 4 A top view structural diagram of the roof protection device of the present application.

[0033] Figure 5 A bottom view structural diagram of the roof protection device of the present application.

[0034] Figure 6 A buckle structural diagram of the roof protection device of the present application.

[0035] Figure 7 A mounting structural position diagram of the roof protection device of the present application.

[0036] Figure 8 A top beam and driving device structural diagram of the present application.

[0037] Figure 9 Another view structural diagram of the top beam and driving device of the present application.

[0038] Figure 10 A wire wheel structural diagram of the present application.

[0039] Figure 11 A driving device partial enlarged structural diagram of the present application.

[0040] Figure 12 A support device structural diagram of the present application.

[0041] Figure 13 Another view structural diagram of the support device of the present application.

[0042] Figure 14 A support groove structural diagram of the present application.

[0043] Figure 15 A slide rod structural diagram of the present application.

[0044] Figure 16 A slide rod top structural diagram of the present application.

[0045] Figure 17 A lock catch working state diagram of the slide rod top of the present application.

[0046] Figure 18 A telescopic device working state diagram of the present application.

[0047] Figure 19Structure diagram of the sliding rod in the support groove of the present application.

[0048] Figure 20 Structure diagram of the platform of the present application.

[0049] Figure 21 Structure diagram of the connection between the layer beam and the slag turning shovel of the present application.

[0050] Figure 22 Structure diagram of the folding fence when unfolded.

[0051] Figure 23 Structure diagram of the lower platform of the present application.

[0052] Figure 24 Structure diagram of the connection between the lower platform and the middle platform of the present application.

[0053] In the figure: shaft 1, cable 2, slag chute 3, canopy protection device 4, lifting ring 401, umbrella-shaped top cover 402, reinforcing rib 403, buckle 404, support device 5, clamping seat 501, hydraulic rod 502, hinge arm 503, spring 504, telescopic rod 505, roller set 506, support seat 507, guide groove 508, anti-skid teeth 509, telescopic device 6, support groove 601, notch 602, transverse roller 603, longitudinal roller 604, sliding rod 605, pull ring 606, mounting hole 607, lock catch 608, middle platform 7, first bottom protection net 701, first edge protection net 702, lower platform 8, avoidance hole 801, lower layer beam 802, second bottom protection net 803, second edge protection net 804, top beam 9, control console 10, middle layer beam 11, rotating disc 111, slag turning shovel 12, folding fence 13, grating plate 131, driving device 14, driver 141, winch 142, steel cable 144, driving gear 143, wire guide wheel 145. DETAILED DESCRIPTION

[0054] The embodiments of the present application will be further described below with reference to the accompanying drawings.

[0055] Example 1

[0056] Reference Figures 1-24 A shaft drilling and excavation integrated construction platform device, comprising a top beam 9, a middle platform 7 and a lower platform 8, the top beam 9 is fixedly installed above the middle platform 7, the lower platform 8 is movably installed below the middle platform 7 through a telescopic device 6, the bottom of the middle platform 7 is provided with a slag turning shovel 12, the slag turning shovel 12 extends downward below the lower platform 8, the middle platform 7 is provided with a control console 10, the top beam 9 and the middle platform 7 are respectively provided with a plurality of support devices 5 at the outer edges thereof, and the top beam 9 is provided with a canopy protection device 4 above.

[0057] The construction platform device passes through the gantry crane below into the shaft 1, the hydraulic support device 5 is installed around the platform device, the support device 5 can ensure that the construction platform stably slides on the rock wall of the shaft 1 in the process of lifting or lowering the platform. The platform device is provided with two layers of construction platforms, the middle platform 7 is used for slag turning control operation, the lower platform 8 is used for drilling, charging and supporting operation, and the lower platform 8 can be lifted or lowered within a certain range relative to the middle platform 7, when the slag turning operation is performed, the lower platform 8 is lifted to be attached to the middle platform 7, so as to provide a space for the slag turning operation of the slag turning shovel 12, the slag turning shovel 12 can be freely and greatly moved, when the drilling, charging and supporting operation is needed, the lower platform 8 is lowered, the design can reduce the length of the whole construction platform device, so that the clearance height of the gantry crane lifting the platform device is effectively reduced, generally, the upper port of the shaft 1 is in the mountain cave, the cave height reserved for the excavation of the shaft 1 can be relatively reduced; meanwhile, the integrated design of the construction platforms of several processes such as drilling, charging, slag turning and supporting can reduce the space for storing construction facilities and equipment in the upper cave of the shaft 1, and also greatly reduces the locking and dismounting links of the gantry crane hook and the construction platform device. The canopy protection device 4 is used for protecting the whole construction platform device below, so as to prevent the rock falling in the shaft 1 from causing harm to the personnel. The construction platform device can better protect the operating personnel from the unpredictable sudden problems such as rock falling and rock burst, and can provide the operating personnel with the corresponding construction platform according to the needs of the construction processes such as drilling, charging, slag turning and supporting, so as to create a safe and convenient working environment.

[0058] Specifically, the top beam 9 is a cross structure. The telescopic device 6 can be a steel wire rope driving structure or a hydraulic oil cylinder driving structure. The lower platform 8 is moved up and down through the driving of the extension and retraction of the steel wire rope or the hydraulic oil cylinder. The slag turning shovel 12 adopts the bucket structure of an excavator. The control console 10 can be an operating table installed on the middle platform 7, or a control room or operating room installed on the middle platform 7. The control console 10 can control the operation of the gantry crane, the support device 5, the telescopic device 6 and the slag turning shovel 12.

[0059] Referring to Figures 2-7 The canopy protection device 4 includes an umbrella-shaped top cover 402, the umbrella-shaped top cover 402 is provided below with a reinforcing rib 403, the lower side of the reinforcing rib 403 is provided with a buckle 404, the canopy protection device 4 is connected with the top beam 9 through the buckle 404, the upper side of the umbrella-shaped top cover 402 is installed with a lifting ring 401, the lower end of the lifting ring 401 is connected and fixed with the reinforcing rib 403.

[0060] Specifically, the reinforcing rib 403 is also a cross structure, the reinforcing rib 403 is supported and installed on the top beam 9 of the cross structure through the buckle 404, and is fixed in position through the bolts 405. The lower end of the lifting ring 401 is connected on the reinforcing rib 403, and the structure is more firm.

[0061] Referring toFigure 8 、 20 , 21, the middle platform 7 includes a middle layer beam 11 and a middle layer protective net, the middle part of the middle layer beam 11 is provided with a turntable 111, the slag turning shovel 12 is installed at the bottom of the middle layer beam 11 through the turntable 111, and the middle layer protective net includes a first bottom protective net 701 and a first edge protective net 702, the first bottom protective net 701 is installed above the middle layer beam 11, and the first edge protective net 702 is installed on the upper side edge of the middle layer beam 11.

[0062] Specifically, referring to Figure 21 , the middle layer beam 11 is a cross structure, the center of the cross structure is provided with the turntable 111, and the slag turning shovel 12 is installed at the bottom of the middle layer beam 11 through the turntable 111. The connection structure of the turntable 111 and the slag turning shovel 12 adopts the connection structure of the vehicle body and the shovel of the excavator in the prior art.

[0063] Referring to Figure 23 、 24 , the lower platform 8 includes a lower layer beam 802 and a lower layer protective net, the middle part of the lower layer beam 802 is provided with an avoiding hole 801, the slag turning shovel 12 extends downward to the lower platform 8 through the avoiding hole 801, and the lower layer protective net includes a second bottom protective net 803 and a second edge protective net 804, the second bottom protective net 803 is installed on the upper side of the lower layer beam 802, and the second edge protective net 804 is installed on the upper side edge of the lower layer beam 802.

[0064] It should be noted that, in order to facilitate personnel to enter the middle platform 7 and the lower platform 8, the first edge protective net 702 of the middle platform 7 is provided with an openable and closable door, and the bottom of the first bottom protective net 701 is provided with a manhole, and personnel enter the lower platform 8 through the manhole of the first bottom protective net 701. The protective net grid spacing is greater than the drill bit diameter, which can meet the requirements of the operating personnel to drill holes and charge outside the platform. At the same time, the diameter of the lower platform 8 is greater than that of the middle platform 7, that is, the lower platform 8 can cover the middle platform 7 upward.

[0065] In the preferred scheme, referring to Figures 14-19, the telescopic device 6 comprises a support groove 601, a sliding rod 605 and a driving device 14, the support groove 601 is located at the edge of the top beam 9 and the middle platform 7, the upper end of the support groove 601 is fixedly connected with the top beam 9, and the lower end is fixedly connected with the middle platform 7, specifically, the support groove 601 is a C-shaped groove structure, the support groove 601 is connected with the middle layer beam 11 of the top beam 9 and the middle platform 7 respectively, and the top beam 9 and the middle layer beam 11 are corresponding cross structure beams, and the support groove 601 is installed at the end of the cross structure beam. The sliding rod 605 is slidably installed in the support groove 601, the upper end of the sliding rod 605 is connected with the driving device 14, and the lower end is connected with the lower platform 8; the lower end of the slot 602 of the support groove 601 is closed, the upper side of the sliding rod 605 is provided with a mounting hole 607 at one side of the slot 602 of the support groove 601, a lock catch 608 is rotatably and limitingly installed in the mounting hole 607, and the lock catch 608 slides up and down in the slot 602 of the support groove 601 and limits the stroke of the sliding rod 605. As shown in Figure 18 , after the construction platform device is assembled, the lock catch 608 on the sliding rod 605 is in a turned-out state, as shown in Figure 14 , the lower end of the support groove 601 is closed, so that the sliding rod 605 cannot slide out of the support groove 601 due to improper operation. The driving device 14 can be driven by a winch and a steel wire rope, or can be driven by a hydraulic oil cylinder.

[0066] In the preferred scheme, the winch driving steel wire rope driving structure is adopted. As shown in Figures 8-11 , the driving device 14 comprises a driver 141, winches 142 and a steel cable 144, the driver 141 is fixedly installed on the top beam 9, a plurality of winches 142 are installed around the driver 141, a driving gear 143 is installed on the output shaft of the driver 141, the driving gear 143 is engaged with the gears of the plurality of winches 142 at the same time, a plurality of wire guide wheels 145 are installed between the winches 142 and the telescopic device 6 on the top beam 9, and the steel cable 144 wound on the winches 142 is connected and fixed with a pull ring 606 on the upper end of the sliding rod 605 after passing through the wire guide wheels 145. By adopting the above structure, not only the lower platform 8 and the middle platform 7 can be attached, but also the top canopy protection device 4 can completely cover the lower side, and the structure is more compact in height. Specifically, the driver 141 can be a motor reducer or a hydraulic motor.

[0067] Further, as shown in Figure 14 , a plurality of transverse rollers 603 and longitudinal rollers 604 are installed in the support groove 601, the transverse rollers 603 are installed in the support groove 601 and located at the opposite side of the slot 602, the longitudinal rollers 604 are installed in the support groove 601 and located at the two sides of the transverse rollers 603, and the sliding rod 605 is installed in the space enclosed by the transverse rollers 603 and the longitudinal rollers 604 on both sides, so that the sliding rod 605 slides more flexibly.

[0068] Referring toFigure 12 、 13 , The support device 5 comprises a clamping seat 501, a hydraulic rod 502, a hinged arm 503, a support seat 507 and a telescopic roller assembly. One side of the clamping seat 501 is fixedly connected with the top beam 9 or the middle platform 7, and the other side is connected with one end of the hinged arm 503. The other end of the hinged arm 503 is connected with the support seat 507. The hydraulic rod 502 is installed in the hinged arm 503 to drive the telescopic movement of the hinged arm 503. The support seat 507 is provided with guide grooves 508 at four corners away from the clamping seat 501. The telescopic roller assembly is installed in the guide grooves 508. The telescopic roller assembly comprises a spring 504, a telescopic rod 505 and a roller set 506. The telescopic rod 505 is slidably connected with the support seat 507. The roller set 506 is installed at one end of the telescopic rod 505 away from the clamping seat 501. The spring 504 is installed on the telescopic rod 505 and abuts against the support seat 507 at one end and abuts against the roller set 506 at the other end. The side of the support seat 507 away from the clamping seat 501 is provided with anti-skid teeth 509. The hinged arm 503 is driven to telescope by the hydraulic rod 502, so as to drive the support seat 507 to telescope. Specifically, the hinged arm 503 has a V-shaped structure. The lower end of the V-shaped structure hinged arm 503 is hinged. The two ends of the hydraulic rod 502 are respectively hinged in the middle of the V-shaped structure hinged arm 503. The upper end of the V-shaped structure hinged arm 503 is fixedly connected with the clamping seat 501 and the support seat 507. The structure is simple and stable. By adopting this structure, the support seat 507 is rotatable and telescopic. Therefore, in order to enable the support seat 507 to telescope in translation, the hinged arm 503 can also adopt a common scissor fork telescopic structure, for example, a height telescopic structure of a hydraulic lifting platform.

[0069] Referring to Figure 20 、 22 , In order to prevent the risk of falling from the escape hole 801 of the lower platform 8 when the lower platform 8 is working, a folding fence 13 is installed between the middle platform 7 and the lower platform 8, and the folding fence 13 is installed around the escape hole 801 of the lower platform 8. Specifically, referring to Figure 22 , The folding fence 13 is composed of a plurality of grating plates 131. The plurality of grating plates 131 surround the escape hole 801. The lower end of the grating plate 131 is hinged with the lower platform 8, and the upper end is slidably connected with the bottom of the middle platform 7. When the lower platform 8 approaches the middle platform 7, the upper end of the grating plate 131 respectively expands outward. When the lower platform 8 moves away from the middle platform 7, the upper end of the grating plate 131 respectively approaches to form a protective structure. In this way, the folding fence 13 not only protects the escape hole 801, but also does not affect the up-down telescopic movement of the lower platform 8.

[0070] Specifically, the lower end of the grating plate 131 is hinged at both ends or the middle of the lower platform 8. The bottom of the middle platform 7 is provided with a sliding groove corresponding to the grating plate 131. The upper end of the grating plate 131 is slidably connected with the sliding groove.

[0071] Embodiment two:

[0072] A method for drilling and excavating a shaft using the shaft drilling and excavating integrated construction platform device, comprising the following steps:

[0073] S1. Connect the lifting ring 401 of the construction platform device with the cable 2 of the gantry crane;

[0074] S2. Hoist the construction platform device to the top of the shaft 1 to be excavated by the gantry crane;

[0075] S3. Personnel enter the middle platform 7, and control the gantry crane to lower the construction platform device by the control console 10, and place the construction platform device into the shaft 1;

[0076] S4. When the support device 5 is completely located in the shaft, control the hydraulic rod 502 of the support device 5 by the control console 10, so that the roller set 506 of the support device 5 is in contact with the shaft wall with a certain amount of compression, and the anti-skid teeth 509 of the support seat 507 is not in contact with the shaft wall;

[0077] S5. Operate the control console 10 to lower the construction platform device by the gantry crane, and stop lowering when the construction platform device is lowered to the top of the bedrock surface platform;

[0078] S6. Operate the control console 10 to control the rotation of the drive 141, which drives multiple winches 142 to rotate and release the steel cables 144 at the same time. At this time, the sliding rod 605 slides down along the support groove 601, and the lower platform 8 also moves downward, so that the working surface on the lower platform 8 for drilling and charging work on the bedrock surface is formed. During the downward movement of the lower platform 8, the folding fence 13 is closed to form a cylindrical protective structure;

[0079] S7. After the drilling and charging process is completed, operate the control console 10 to control the gantry crane to lift the construction platform device to a safe height, and perform the loosening blasting operation;

[0080] S8. Operate the control console 10 to control the rotation of the drive 141, which drives multiple winches 142 to rotate and recover the steel cables 144 at the same time. At this time, the sliding rod 605 slides up along the support groove 601, and the lower platform 8 also moves upward, and finally sticks to the upper platform 7; during the upward movement of the lower platform 8, the folding fence 13 is unfolded;

[0081] S9. Operate the control console 10 to lower the construction platform device by the gantry crane, so that the construction platform device is lowered to the top of the blasting layer, and then control the hydraulic rod 502 of the support device 5 to further extend, so that the anti-skid teeth 509 of the support seat 507 is in contact with the shaft wall. By controlling the slag shovel 12 by the control console 10, the loosened stone slag is scooped into the slag chute 3, and a cycle of drilling and excavating operation is completed.

Claims

1. A vertical shaft drilling and excavation integrated construction platform device, characterized in that: The system includes a top beam (9), a middle platform (7), and a lower platform (8). The top beam (9) is fixedly installed above the middle platform (7). The lower platform (8) is installed below the middle platform (7) by means of a telescopic device (6). A slag-turning shovel (12) is installed at the bottom of the middle platform (7). The slag-turning shovel (12) extends downwards from the lower platform (8). A control console (10) is installed on the middle platform (7). Multiple support devices (5) are installed on the outer edges of the top beam (9) and the middle platform (7). A canopy protection device (4) is installed above the top beam (9). The telescopic device (6) includes a support groove (601), a slide rod (605), and a drive device (14). The support groove (601) is located at the edge of the top beam (9) and the middle platform (7). The upper end of the support groove (601) is connected and fixed to the top beam (9), and the lower end is connected and fixed to the middle platform (7). The slide rod (605) is slidably guided and installed in the support groove (601). The upper end of the slide rod (605) is connected to the drive device (14), and the lower end is connected to the lower platform (8). The lower end of the groove opening (602) of the support groove (601) is closed. An installation hole (607) is provided above the slide rod (605) on one side of the groove opening (602) of the support groove (601). A lock (608) is installed in the installation hole (607) for rotational limitation. The lock (608) slides up and down in the groove opening (602) of the support groove (601) and limits the stroke of the slide rod (605). The support device (5) includes a mounting base (501), a hydraulic rod (502), a hinge arm (503), a support base (507), and a telescopic roller assembly. One side of the mounting base (501) is fixedly connected to the top beam (9) or the middle platform (7), and the other side is connected to one end of the hinge arm (503). The other end of the hinge arm (503) is connected to the support base (507). The hydraulic rod (502) is installed inside the hinge arm (503) to drive the hinge arm (503) to telescopically move. The support base (507) has guide grooves (508) at the four corners on the side away from the mounting base (501) to guide... The telescopic roller assembly is installed in the groove (508). The telescopic roller assembly includes a spring (504), a telescopic rod (505), and a roller group (506). The telescopic rod (505) is slidably connected to the support seat (507). The roller group (506) is installed at the end of the telescopic rod (505) away from the card seat (501). The spring (504) is installed on the telescopic rod (505), with one end abutting against the support seat (507) and the other end abutting against the roller group (506). The support seat (507) is provided with anti-slip teeth (509) on the side away from the card seat (501). A folding fence (13) is installed between the middle platform (7) and the lower platform (8).

2. The integrated vertical shaft drilling and excavation construction platform device according to claim 1, characterized in that: The canopy protection device (4) includes an umbrella-shaped roof (402), a reinforcing rib (403) is provided below the umbrella-shaped roof (402), and a buckle (404) is provided on the lower side of the reinforcing rib (403). The canopy protection device (4) is connected to the top beam (9) through the buckle (404). A hanging ring (401) is installed on the upper side of the umbrella-shaped roof (402), and the lower end of the hanging ring (401) is connected and fixed to the reinforcing rib (403).

3. The integrated shaft drilling and excavation construction platform device according to claim 1, characterized in that: The middle platform (7) includes a middle beam (11) and a middle protective net. A turntable (111) is provided in the middle of the middle beam (11). A slag-turning shovel (12) is installed at the bottom of the middle beam (11) by rotating through the turntable (111). The middle protective net includes a first bottom protective net (701) and a first edge protective net (702). The first bottom protective net (701) is installed above the middle beam (11), and the first edge protective net (702) is installed on the upper edge of the middle beam (11).

4. The integrated vertical shaft drilling and excavation construction platform device according to claim 1, characterized in that: The lower platform (8) includes a lower beam (802) and a lower protective net. The lower beam (802) has a clearance hole (801) in the middle. The slag-turning shovel (12) passes through the clearance hole (801) and extends downward to the lower platform (8). The lower protective net includes a second bottom protective net (803) and a second edge protective net (804). The second bottom protective net (803) is installed on the upper side of the lower beam (802), and the second edge protective net (804) is installed on the upper edge of the lower beam (802).

5. The integrated vertical shaft drilling and excavation construction platform device according to claim 1, characterized in that: The drive device (14) includes a driver (141), a winch (142) and a steel cable (144). The driver (141) is fixedly installed on the top beam (9). Multiple winches (142) are installed around the driver (141). The output shaft of the driver (141) is equipped with a drive gear (143). The drive gear (143) meshes with the gears of multiple winches (142) at the same time. Multiple guide wheels (145) are installed on the top beam (9) between the winches (142) and the telescopic device (6). The steel cable (144) wound on the winch (142) passes through the guide wheel (145) and is connected and fixed to the pull ring (606) at the upper end of the slide bar (605).

6. The integrated shaft drilling and excavation construction platform device according to claim 1, characterized in that: The support groove (601) is equipped with a plurality of transverse rollers (603) and longitudinal rollers (604). The transverse rollers (603) are installed in the support groove (601) and located on the opposite side of the groove opening (602). The longitudinal rollers (604) are installed in the support groove (601) and located on both sides of the transverse rollers (603). The slide bar (605) is installed in the space enclosed by the transverse rollers (603) and the longitudinal rollers (604) on both sides.

7. The integrated shaft drilling and excavation construction platform device according to claim 1, characterized in that: The folding fence (13) is installed around the clearance hole (801) of the lower platform (8). The folding fence (13) is composed of multiple grid plates (131). The multiple grid plates (131) surround the clearance hole (801). The lower end of the grid plate (131) is hinged to the lower platform (8), and the upper end is slidably connected to the bottom of the middle platform (7). When the lower platform (8) and the middle platform (7) are close together, the upper ends of the grid plates (131) unfold outward respectively. When the lower platform (8) is away from the middle platform (7), the upper ends of the grid plates (131) close together to form a protective structure.

8. A method for drilling operations using the integrated vertical shaft drilling and excavation construction platform device as described in claim 5, characterized in that, Includes the following steps, S1. Connect the construction platform device to the cable (2) of the gantry crane; S2. The construction platform device is lifted to the top of the shaft (1) to be excavated by a gantry crane; S3. Personnel enter the middle platform (7) and control the gantry crane to lower it through the control console (10) to place the construction platform device into the vertical shaft (1); S4. When the support device (5) is fully inside the shaft, control the hydraulic rod (502) of the support device (5) through the control console (10) so that the roller group (506) of the support device (5) contacts the shaft wall and is compressed to a certain extent, while the anti-slip teeth (509) of the support seat (507) do not contact the shaft wall. S5. Operate the control console (10) to lower the construction platform device of the gantry crane, and stop lowering the construction platform device after it is lowered above the bedrock surface platform; S6. Operate the control console (10) to control the drive (141) to rotate, which drives multiple winches (142) to rotate simultaneously to release the steel cable (144). At this time, the slide bar (605) slides down along the support groove (601), and the lower platform (8) also moves down, so that a working surface for drilling and loading explosives on the bedrock surface is formed on the lower platform (8). During the downward movement of the lower platform (8), the folding fence (13) closes to form a cylindrical protective structure. S7. After the drilling and charging process is completed, the control console (10) controls the gantry crane to lift the construction platform device to a safe height and carry out the loosening blasting operation. S8. Operate the control console (10) to control the drive (141) to rotate, which drives multiple winches (142) to rotate simultaneously to retrieve the steel cable (144). At this time, the slide bar (605) slides upward along the support groove (601), and the lower platform (8) also moves upward and eventually touches the upper platform. During the upward movement of the lower platform (8), the folding fence (13) unfolds. S9. The control console (10) lowers the gantry crane to the construction platform device, so that the construction platform device is lowered above the blasting layer. Then, the hydraulic rod (502) of the support device (5) is further extended, so that the anti-slip teeth (509) of the support seat (507) come into contact with the shaft wall. The control console (10) controls the slag shovel (12) to scoop the loose stone slag into the slag chute (3), thus completing one cycle of drilling operation.

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