CN116181412A - Open pit stope heavy-calibre well lid - Google Patents

Abstract

The invention discloses a large-caliber well cover of an open pit mine stope, which belongs to the technical field of water pump installation, and can be firmly embedded at a well mouth through a round table part of the well cover, so that the stability between the well cover and the well mouth is maintained, the problem of displacement of the well cover is avoided, a good covering effect is ensured, the entry of coal or sundries is prevented, the pumping effect of a water pump is ensured, the water pump can be used for pumping and discharging liquid in the well, the cylindrical liquid is pumped by the water pump, the double-headed piston assembly can be pressed down in a hydraulic mode, the elastic moving assembly is controlled to move downwards to prop up the well cover, at the moment, the moving operation of the well cover can be implemented through the rolling property of the elastic moving assembly, and further, the use of hoisting equipment is not needed, the well cover is enabled to be more easily and conveniently transferred, the elastic moving assembly can be stored, and the installation operation between the well cover and the well mouth can be further facilitated.

Description

Open pit stope heavy-calibre well lid

Technical Field

The invention belongs to the technical field of water pump installation, and particularly relates to a large-caliber well lid of an open pit stope.

Background

The strip mine is in the large-caliber well of coal seam bottom plate, the well head diameter is 1.5 meters, and there is no well wall pipe, in order to avoid personnel or debris to drop when not using, generally use the crane to hang and establish a great apron lid in the well head surface in prior art, but when needs use the water pump, in pump and use if directly use the apron to cover the well head down, because the existence of water pump, the apron is difficult to laminate completely with the water pump for there is great gap between the two easily, cause debris such as coal cinder to drop to the well in, thereby influence water pump pumping effect and the water inflow in the well, and also be comparatively inconvenient to the removal of apron when need not using the apron, still need to cooperate other to hang and establish equipment use, and establish at the well head direct lid does not carry out the position fix at the apron, then receive other exogenic actions easily and lead to the apron of well head to produce the aversion, thereby influence the effect of covering, consequently, research a novel strip mine stope large-caliber well lid has important meaning in order to solve above-mentioned problem.

Disclosure of Invention

This section is intended to summarize some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, which may be simplified or omitted from the present section and description abstract and title of the application to avoid obscuring the objects of this section, description abstract and title, and which is not intended to limit the scope of this invention.

The present invention has been made in view of the above and/or problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that a larger cover plate is generally hung by a crane to cover the surface of a wellhead in the prior art, but when the water pump is needed to be used, the cover plate is used directly to cover the wellhead in the processes of pumping and using, and because the water pump exists, the cover plate is difficult to be completely attached to the water pump, so that larger gaps are easy to exist between the cover plate and the water pump, and sundries such as coal blocks fall into a well, thereby influencing the pumping effect of the water pump and the water inflow in the well.

In order to achieve the above purpose, the present invention provides the following technical solutions: a large-caliber well cover of an open pit mining site comprises a well cover, wherein the well cover comprises a round table part, and a fitting part and a well top part which are positioned on the upper side and the lower side of the round table part; and the hydraulic control telescopic moving mechanism comprises four elastic moving assemblies, a supporting frame assembly, a multi-way liquid flow connecting assembly, a cylinder and double-headed piston assemblies in the inner cavities of the cylinder, wherein the four upper parts of the elastic moving assemblies are respectively arranged in the corresponding cylinder barrels, the four cylinder barrels are communicated with the same connector through four extension pipes penetrating through the round platform parts, the upper ends of the connectors are communicated with the bottoms of the cylinders, liquid is pre-stored in three cavities formed between the cylinder and the double-headed piston assemblies, and the cavities with the liquid pre-stored in the corresponding two parts above the cylinder are communicated with the two ends of the multi-way liquid flow connecting assembly.

As a further aspect of the invention: four side handles are fixedly connected to the peripheral edge of the well top correspondingly in the front-back and left-right directions, the lower part of the well top is fixedly connected with the round platform part, and the lower part of the round platform part is fixedly connected with the round attaching part.

As a further aspect of the invention: the support erection assembly comprises a conical part, the conical part and a central opening are mutually matched and connected in a sealing manner, and the central opening is arranged at the central position of the top of the well; the lower part of the conical part is fixedly connected with a plurality of arc plates, the arc plates are fixedly connected to the top of the supporting disc, and the supporting disc is arranged in a cylindrical cavity below the top of the well.

As a further aspect of the invention: the cylinder runs through and installs in the support disc, the upper end of connector and the part of cylinder bottom intercommunication are elastic hose.

As a further aspect of the invention: the multi-way liquid flow connecting component is communicated with the water pumping mechanism, and the water pumping mechanism, the cylinder and the supporting and erecting component are all arranged in the cylinder cavity below the top of the well.

The water pumping mechanism comprises a water pump, a fixing seat is fixedly connected to the lower side of the water pump, and the fixing seat is fixedly connected to the upper side of the supporting disc.

As a further aspect of the invention: four lifting mechanisms are arranged below the supporting and erecting assembly.

The lifting mechanism comprises a fixed plate, one end face of the fixed plate, far away from the electric push rod, is fixedly connected with the inner cavity of the attaching part, the electric push rod is installed in the fixed plate in a penetrating mode, and the telescopic end of the electric push rod, which is upwards, is fixedly connected with the supporting disc.

As a further aspect of the invention: the middle part of the inner cavity of the cylinder is fixedly connected with a middle partition member which divides the cylinder into two cavities;

the double-headed piston assembly comprises two sealing plugs, wherein the two sealing plugs are respectively positioned in two cavities formed by dividing the cylinder by the middle partition, liquid is respectively pre-stored in the cavities formed by enclosing the upper part and the lower part of the upper sealing plug with the inner cavity of the cylinder and the middle partition, and liquid is also pre-stored in the lower part of the lower sealing plug and the inner cavity of the cylinder;

the two sealing plugs are fixedly connected through the same movable rod, the sliding sleeve of the movable rod is arranged in the sealing ring, and the sealing ring is arranged at the center of the middle partition;

the lower piston body of double-end piston above fixedly connected with and the rack bar that corresponds of gear position, the tip fixed connection of gear and valve, valve and hose and blast pipe intercommunication, the blast pipe runs through the cylinder, and the hose passes the cylinder and installs at laminating portion outlying annular gasbag intercommunication, and is equipped with a plurality of non-slip projections on the annular gasbag.

As a further aspect of the invention: the multi-way liquid flow connecting component comprises two three-way valves and a return pipe, the two three-way valves are respectively communicated with the water inlet and the water outlet of the water pump, the through hole of the lower three-way valve is communicated with the well water pipe, the well water pipe downwards extends to penetrate through the supporting disc, and the through hole of the upper three-way valve is communicated with the L-shaped water outlet pipe above the cylinder.

As a further aspect of the invention: the upper end and the lower end of the return pipe are communicated with two connecting pipes, the two connecting pipes are communicated with two cavities for pre-storing liquid above the cylinder, and one ends of the two connecting pipes, which are far away from the cylinder, are respectively communicated with the three-way valves;

the shaft ends of the two three-way valves are fixedly connected with driving wheels, the two driving wheels are in driving connection through a belt, and the upper driving wheel is fixedly connected with a handle.

As a further aspect of the invention: the elastic moving assembly comprises a piston, the piston is located in an inner cavity of the cylinder, a spring is fixedly connected between the upper side of the piston and the upper wall of the inner cavity of the cylinder, a connecting rod is fixedly connected to the lower side of the sealing plug, the connecting pipe downwards penetrates through a hole sleeve to be fixedly connected with the upper side of the moving wheel, and the hole sleeve is embedded in the lower side of the cylinder.

1. Compared with the prior art, the invention has the beneficial effects that: this pit large-caliber well lid of opencut, make it firmly scarf joint in well head department through the round platform portion of well lid, keep the stability of well lid, keep the fixed of well lid and well head, the problem that the well lid takes place to shift has been avoided, good covering effect has been ensured, then can prevent the entering of coal cinder or debris, ensure the pumping effect of water pump, secondly, not only can realize drawing the drainage to the liquid in the well through the water pump, make its accessible hydraulic pressure mode push down the double-end piston subassembly through the liquid of water pump extraction cylinder, and control elastic displacement subassembly downward movement props up the well lid, can implement the removal operation to the well lid through the rolling nature of elastic displacement subassembly at this moment, and then can need not through the use of lifting device, secondly, make the transfer of well lid more light convenient, elastic displacement subassembly can accomodate, so still can be at the installation operation between follow-up convenient well lid and the well head.

2. When the well lid is installed, the double-headed piston moves upwards, redundant gas is discharged through the discharge pipe due to the sealing of the hose, when the toothed bar is meshed with the gear for transmission, the gear rotates to control the valve to seal the discharge pipe and open the hose port, at the moment, the gas is filled into the annular air bag through the hose, the annular air bag can be expanded to be attached to the side wall of the well mouth, and the anti-slip protrusions on the annular air bag can play a good anti-slip role, so that the well lid can be firmly assembled and installed with the well mouth, the purpose of automatic installation is realized, and the practical construction operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic view of a three-dimensional structure in a large-caliber well lid of an open pit stope according to an embodiment of the present invention;

fig. 2 is a schematic bottom perspective view of a large-caliber well lid of an open pit stope according to an embodiment of the present invention;

fig. 3 is a schematic view of a three-dimensional cross-sectional structure in a large-caliber well lid of an open pit stope according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a top of a pit in a large-caliber pit cover of an open pit mine according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a conical portion in a large-caliber well lid of an open pit mine according to an embodiment of the present invention;

fig. 6 is a schematic view of a cross-sectional structure of a cylinder in a large-caliber well lid of a pit of an open pit according to an embodiment of the present invention;

FIG. 7 is a schematic view of a three-dimensional structure of a multi-way fluid communication assembly in a large-caliber well lid of a strip mine pit according to an embodiment of the present invention;

fig. 8 is a schematic view of a cross-sectional structure of a cylindrical drum in a large-caliber well lid of a pit of an open pit according to an embodiment of the present invention;

fig. 9 is a schematic structural view of an annular airbag in a large-caliber well lid of a pit of an open pit according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a hose in a large-caliber well lid of an open pit mine according to an embodiment of the present invention.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1-8, the present invention provides a technical solution: the large-caliber well lid of the strip mine stope comprises a well lid 100, and comprises a round table part 102, a fitting part 104 and a well top part 103 which are positioned on the upper side and the lower side of the round table part 102, wherein four side handles 101 are fixedly connected on the peripheral edge of the well top part 103 correspondingly in a front-back left-right manner, the lower part of the well top part 103 is fixedly connected with the round table part 102, and the lower part of the round table part 102 is fixedly connected with the round fitting part 104; and the hydraulic control telescopic moving mechanism 200 comprises four elastic moving assemblies 209, a supporting and erecting assembly 207, a multi-way liquid flow communicating assembly 208, a cylinder 202 and a double-headed piston 209b assembly 203 in the inner cavity of the cylinder 202, wherein the elastic moving assemblies 209 comprise pistons 209b, the pistons 209b are positioned in the inner cavity of the cylinder barrel 206, a connecting rod 209d is fixedly connected below a sealing plug 203c, a connecting pipe 208e downwards penetrates through a hole sleeve 209c to be fixedly connected with the upper part of a moving wheel 209e, the hole sleeve 209c is embedded below the cylinder barrel 206, and a middle part of the inner cavity of the cylinder 202 is fixedly connected with a middle partition 210 for dividing the cylinder 202 into two cavities;

the double-headed piston 209b assembly 203 comprises two sealing plugs 203c, the two sealing plugs 203c are respectively positioned in two cavities formed by dividing the cylinder 202 by the middle partition 210, liquid is respectively prestored in the cavities formed by enclosing the upper and lower parts of the upper sealing plug 203c with the inner cavity of the cylinder 202 and the middle partition 210, liquid is also prestored in the lower part of the lower sealing plug 203c and the inner cavity of the cylinder 202, the two sealing plugs 203c are fixedly connected through the same movable rod 203a, the sliding sleeve of the movable rod 203a is arranged in the sealing ring 203b, the sealing ring 203b is arranged in the center position of the middle partition 210, the cylinder 202 is arranged in the supporting disc 207c in a penetrating way, the upper parts of the four elastic moving assemblies 209 are respectively arranged in corresponding cylinder barrels 206, the upper ends of the four cylinder barrels 206 are communicated with the same connecting head 211 through four extension pipes 201 penetrating the round platform part 102, the upper ends of the connecting head 211 are elastic hoses, the upper ends of the connecting head 211 are communicated with the bottom of the cylinder 202, the pre-stored in the three cavities 202 are respectively formed between the cylinder 202 and the piston 209b assembly 203, the sliding sleeve is arranged in the sliding sleeve, the sealing ring 203b is arranged in the sealing ring, the sealing ring 203b is arranged in the central position of the middle partition 210, the cylinder 206 is communicated with the liquid through the corresponding two ends of the cylinder barrel assembly is communicated with the liquid through the two through the corresponding hollow barrel assembly through the upper ends;

the multi-way liquid flow communicating component (208) comprises two three-way valves 208b, the shaft ends of the two three-way valves 208b are fixedly connected with driving wheels 208a, the two driving wheels 208a are in transmission connection through a belt 208c, the upper driving wheel 208a is fixedly connected with a handle 208d, the two connecting pipes 208e are communicated with two cavities of pre-stored liquid above the cylinder 202, one ends of the two connecting pipes 208e, which are far away from the cylinder 202, are respectively communicated with the three-way valves 208b, the two three-way valves 208b are respectively communicated with a water inlet and a water outlet of the water pump 401, the through hole of the lower three-way valve 208b is communicated with the well water pipe 212, the well water pipe 212 downwards extends to penetrate through the supporting disc 207c, the through hole of the upper three-way valve 208b is communicated with the L-shaped water outlet pipe 205 above the cylinder 202, the water pumping mechanism 400 comprises a water pump 401, the lower part of the water pump 401 is fixedly connected with a fixing seat 402, the fixing seat 402 is fixedly connected above the supporting disc 207c, the water pumping mechanism 400, the cylinder 202 and the supporting frame 207 are respectively arranged in a cylinder cavity below the well top 103, and four lifting mechanisms 300 are arranged below the supporting frame assembly 207.

In this embodiment:

when moving, two three-way valves 208b are controlled to close the well water pipe 212 and the water outlet pipe 205 under the action of the driving wheel 208a, and two connecting pipes 208e are communicated, at this time, the water pump 401 operates to input the liquid of the cylinder 202 to the upper part of the upper sealing plug 203c through the lower connecting pipe 208e, the liquid is reduced, the double-headed piston 209b assembly 203 is controlled to move downwards through the pressure, the liquid is pressed into the cylinder 206 through the extension pipe 201, at this time, the piston 209b and the moving wheel 209e can be pushed downwards through the hydraulic pressure, so that the moving wheel 209e jacks up the well cover 100, the moving wheel 209e can support the well cover 100, and better transferring conditions of the well cover 100 can be maintained, so that the well cover 100 is easy and convenient to transfer without lifting operation of lifting equipment.

Secondly, because of setting up of round platform portion 102 makes it firmly scarf joint in well head department, keep the stability of well lid 100, keep the fixed of well lid 100 and well head, the problem of well lid 100 emergence aversion has been avoided, the good covering effect has been ensured, then can prevent the entering of coal cinder or debris, ensure the water pumping effect of water pump 401, and the side can provide good force application point, make things convenient for the support of well lid 100, connecting rod 209d can play the effect of connecting piston 209b and travelling wheel 209e, then make piston 209b motion can smooth control travelling wheel 209 e's flexible motion, hole cover 209c makes connecting rod 209d can smooth activity, and can ensure the breathing of cylinder section of thick bamboo 206, then piston 209b can reciprocate, the sealing washer 203b can ensure the smooth slip of movable rod 203a, and sealing washer 203b can keep the leakproofness with movable rod 203a, avoid top liquid to reveal the inflow below, extension pipe 201 can play the effect of intercommunication connector 211 and cylinder section of thick bamboo 206, then can ensure the reciprocal transport of liquid, the connector 211 upper end is the effect of connecting pipe 211, then can make the hose 202 can be smoothly moved down, can be adjusted for the water pump 208a well head 208, can be carried out by the well head 208, can be smoothly through the well head 208, can be adjusted down through the inlet tube 208, can be smoothly carried out the well mouth is convenient for the well head 208, can be moved down through the well head 208, can be conveniently is convenient for the well head, can be moved, and can be moved down by the well head 401, can be conveniently convenient by the well-controlled.

Example 2

Referring to fig. 1-8, a large-caliber well lid of a strip mine stope comprises a well lid 100, wherein the well lid comprises a round table part 102, and a fitting part 104 and a well top part 103 which are positioned on the upper side and the lower side of the round table part 102, four side handles 101 are fixedly connected on the peripheral edge of the well top part 103 correspondingly in a front-back left-right manner, the lower side of the well top part 103 is fixedly connected with the round table part 102, and the lower side of the round table part 102 is fixedly connected with the round fitting part 104; the hydraulic control telescopic moving mechanism 200 comprises four elastic moving assemblies 209, a supporting and erecting assembly 207, a multi-way liquid flow communicating assembly 208, a cylinder 202 and a double-headed piston 209b assembly 203 in the inner cavity of the cylinder 202, wherein the elastic moving assemblies 209 comprise pistons 209b, the pistons 209b are positioned in the inner cavity of the cylinder 206, springs 209a are fixedly connected between the upper parts of the pistons 209b and the upper wall of the inner cavity of the cylinder 206, connecting rods 209d are fixedly connected below sealing plugs 203c, the connecting rods 208e penetrate downwards through hole sleeves 209c and are fixedly connected with the upper parts of moving wheels 209e, the hole sleeves 209c are embedded below the cylinder 206, and a middle part of the inner cavity of the cylinder 202 is fixedly connected with a middle partition 210 for dividing the cylinder 202 into two cavities;

the double-headed piston 209b assembly 203 comprises two sealing plugs 203c, the two sealing plugs 203c are respectively positioned in two cavities formed by dividing the cylinder 202 by the middle partition 210, liquid is respectively prestored in the cavities formed by enclosing the upper and lower parts of the upper sealing plug 203c with the inner cavity of the cylinder 202 and the middle partition 210, liquid is also prestored in the lower part of the lower sealing plug 203c and the inner cavity of the cylinder 202, the two sealing plugs 203c are fixedly connected through the same movable rod 203a, the sliding sleeve of the movable rod 203a is arranged in the sealing ring 203b, the sealing ring 203b is arranged in the center position of the middle partition 210, the cylinder 202 is arranged in the supporting disc 207c in a penetrating way, the upper parts of the four elastic moving assemblies 209 are respectively arranged in corresponding cylinder barrels 206, the upper ends of the four cylinder barrels 206 are communicated with the same connecting head 211 through four extension pipes 201 penetrating the round platform part 102, the upper ends of the connecting head 211 are elastic hoses, the upper ends of the connecting head 211 are communicated with the bottom of the cylinder 202, the pre-stored in the three cavities 202 are respectively formed between the cylinder 202 and the piston 209b assembly 203, the sliding sleeve is arranged in the sliding sleeve, the sealing ring 203b is arranged in the sealing ring, the sealing ring 203b is arranged in the central position of the middle partition 210, the cylinder 206 is communicated with the liquid through the corresponding two ends of the cylinder barrel assembly is communicated with the liquid through the two through the corresponding hollow barrel assembly through the upper ends;

the multi-way liquid flow connecting assembly (208) comprises two three-way valves 208b and a return pipe 208g, the shaft ends of the two three-way valves 208b are fixedly connected with a driving wheel 208a, the two driving wheels 208a are in transmission connection through a belt 208c, the upper driving wheel 208a is fixedly connected with a handle 208d, a valve 208f is arranged on the return pipe 208g, the upper end and the lower end of the return pipe 208g are communicated with two connecting pipes 208e, the two connecting pipes 208e are communicated with two cavities of pre-stored liquid above the cylinder 202, one ends of the two connecting pipes 208e, which are far away from the cylinder 202, are respectively communicated with the three-way valves 208b, the two three-way valves 208b are respectively communicated with a water inlet and a water outlet of the water pump 401, the through hole of the lower three-way valve 208b is communicated with a well water pipe 212, the well water pipe 212 downwards extends and penetrates through a supporting disc 207c, the water outlet pipe 205 of the L shape above the cylinder 202 is communicated with a water outlet pipe 205, the water pumping mechanism 400 comprises a water pump 401, the lower part of the water pump 401 is fixedly connected with a fixing seat 402, the fixing seat 402 is fixedly connected with the upper part of the cylinder 207c, the water pump 202 is communicated with the upper part of the pre-stored liquid, one end of the cylinder 202 is far away from the cylinder 202, one end of the three-way valves 208e is respectively communicated with the three-way valves 208b, the water inlet and the water outlet mechanism is respectively communicated with the water inlet and the water outlet pipe 208 is communicated with the water outlet pipe 208.

In this embodiment:

when the well lid 100 is installed, then control valve 208f opens back flow 208g and feeds through two connecting pipes 208e, liquid in two cavitys of cylinder 202 forms the return circuit this moment, then the elastic force of spring 209a resets this moment, make spring 209a drive and remove round 209e upwards withdraw, and cylinder section of thick bamboo 206 inside liquid backward flow gets into cylinder 202, and sealing plug 203c upward movement, make liquid accomplish the backward flow operation, then remove round 209e upwards accomodate, make laminating portion 104 and well head laminating, simultaneously round platform portion 102 realize the gomphosis connection with the well head, then this device not only can satisfy the condition of removal, still can realize accomodating the condition that satisfies well lid 100 installation.

Secondly, the two connecting pipes 208e can be communicated by the arrangement of the return pipe 208g, and the valve 208f can control the opening and closing of the return pipe 208g, so that the purpose of the return flow can be achieved by switching the two connecting pipes 208e according to the requirements.

Example 3

Referring to fig. 5 and 6, the water pumping mechanism 400 includes a water pump 401, a fixing seat 402 is fixedly connected to the lower part of the water pump 401, the fixing seat 402 is fixedly connected to the upper part of the supporting disc 207c, the supporting and erecting assembly 207 includes a conical part 207b, the conical part 207b and the central opening 105 are mutually fit and hermetically connected, and the central opening 105 is arranged at the central position of the well top 103; a plurality of arc plates 207a are fixedly connected below the conical part 207b, the arc plates 207a are fixedly connected to the top of a supporting disc 207c, and the supporting disc 207c is arranged in a cylindrical cavity below the well top 103;

the lifting mechanism 300 comprises a fixing plate 302, wherein one end surface of the fixing plate 302, far away from the electric push rod 301, is fixedly connected with the inner cavity of the attaching part 104, the electric push rod 301 is installed in the fixing plate 302 in a penetrating manner, and the upward telescopic end of the electric push rod 301 is fixedly connected with the supporting disc 207 c.

In this embodiment:

when the protection of the water pump 401 is required to be stored, the electric push rod 301 is controlled to retract, the electric push rod 301 drives the supporting disc 207c to move downwards, the supporting disc 207c drives the water pump 401 to pass through the central opening 105 downwards and is positioned in the cylindrical cavity of the well top 103, and the conical part 207b is tightly attached to the central opening 105 in an embedding way, so that the storage of the water pump 401 can be realized, the water pump 401 can be covered and protected, and the service life of the water pump 401 is ensured.

Example 4

Referring to fig. 9 and 10, a toothed bar 2016 corresponding to the position of a gear 2015 is fixedly connected to the upper surface of the lower plug body of the double-headed piston 209b, the gear 2015 is fixedly connected to the end of a valve 2017, the valve 2017 is communicated with a hose 2014 and an exhaust pipe 2013, the exhaust pipe 2013 penetrates through the cylinder 202, the hose 2014 penetrates through the cylinder 202 and is communicated with an annular air bag 204 mounted on the periphery of the joint part, and a plurality of anti-slip protrusions are arranged on the annular air bag 204.

In this embodiment:

when the well lid 100 is installed, the double-headed piston 209b moves upwards, redundant gas is discharged through the discharge pipe 2013 due to the sealing of the hose 2014, when the toothed bar 2016 and the gear 2015 are in meshed transmission, the gear 2015 rotates to control the valve 2017 to seal the discharge pipe 2013 and open the opening of the hose 2014, at the moment, the gas is filled into the annular air bag 204 through the hose 2014, the annular air bag 204 is inflated to be attached to the side wall of the wellhead, and the anti-slip effect of the anti-slip protrusion on the annular air bag 204 can be good, so that the well lid 100 can be firmly assembled and installed with the wellhead, the purpose of automatic installation is achieved, and practical construction operation is facilitated.

The working principle of the invention is as follows:

when the well lid 100 is moved, the well lid 100 can be supported through good rolling property of the moving wheels 209e, the position of the well lid 100 can be easily transferred through the moving wheels 209e, when the well lid 100 is positioned at a well mouth position, the well lid 100 corresponds to the well mouth position at the moment, the valve 208f is rotated again, the valve 208f opens a pipeline of the return pipe 208g, so that two cavities of the connecting pipe 208e communicated with the cylinder 202 can form backflow, the elastic force of the spring 209a is reset, the spring 209a drives the piston 209b to move upwards, the piston 209b drives the connecting rod 209d to move upwards, the connecting rod 209d drives the moving wheels 209e to move upwards, liquid in the cylinder 206 enters the bottom of the inner cavity of the cylinder 202 through the extension pipe 201, meanwhile, the liquid upwards extrudes the sealing plug 203c to enable the movable rod 203a to push the upper sealing plug 203c to move upwards, the liquid in the uppermost cavity of the cylinder 202 enters the upper connecting pipe 208e, and flows back into the cavity 104 between the upper connecting pipe 208c and the well mouth piece 210 through the return pipe 208g and the lower connecting pipe 208e, and the sealing plug part 104 can enter the well mouth part 102 at the same time;

when the water pump 401 is needed, the electric push rod 301 is controlled to extend, so that the electric push rod 301 pushes the supporting disc 207c to move upwards, the supporting disc 207c pushes the conical portion 207b to be separated from the central opening 105 upwards through the arc-shaped plate 207a, at the moment, the supporting disc 207c drives the water pump 401 to be separated from the central opening 105 upwards, the water pump 401 is located above the well top 103, then the handle 208d can be operated, the handle 208d drives the driving wheel 208a to rotate, under the transmission effect of the belt 208c, the two driving wheels 208a rotate simultaneously, the driving wheel 208a rotates to close the two connecting pipes 208e when the shaft ends of the three-way valve 208b are operated, the water inlet pipe and the water outlet pipe 205 are opened, and at the moment, the water pump 401 is controlled to operate again, so that the water pump 401 can pump liquid in the well through the water inlet pipe and discharge the liquid through the water outlet pipe 205.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a pit large-bore well lid in opencut stope which characterized in that: comprising the steps of (a) a step of,

the well cover (100) comprises a round platform part (102), a fitting part (104) and a well top part (103) which are positioned on the upper side and the lower side of the round platform part (102); the method comprises the steps of,

the utility model provides a hydraulic control telescopic moving mechanism (200), includes four elasticity remove subassembly (209), support erect subassembly (207), multi-way liquid flow switch-on subassembly (208), cylinder (202) and double-end piston (209 b) subassembly (203) in cylinder (202) inner chamber, four in cylinder (206) that correspond are located respectively to the upper portion of elasticity remove subassembly (209), and four cylinder (206) are linked together with same connector (211) through four extension pipes (201) that run through round platform portion (102), communicate between the upper end of connector (211) and the bottom of cylinder (202), pre-store the liquid in wherein three cavity that form between cylinder (202) and double-end piston (209 b) subassembly (203), and the cavity that two places that correspond above cylinder (202) have liquid and multi-way liquid flow switch-on subassembly (208) both ends intercommunication.

2. The strip mine pit large caliber well lid of claim 1, wherein: four side handles (101) are fixedly connected to the peripheral edge of the well top (103) correspondingly in the front-back and left-right mode, the lower portion of the well top (103) is fixedly connected with the round table portion (102), and the lower portion of the round table portion (102) is fixedly connected with the round attaching portion (104).

3. The strip mine pit large caliber well lid of claim 1 or 2, wherein: the support erection assembly (207) comprises a conical part (207 b), the conical part (207 b) and the central opening (105) are in fit and sealing connection, and the central opening (105) is arranged at the central position of the well top (103); a plurality of arc plates (207 a) are fixedly connected to the lower portion of the conical portion (207 b), the arc plates (207 a) are fixedly connected to the top of the supporting disc (207 c), and the supporting disc (207 c) is arranged in a cylindrical cavity below the well top (103).

4. A strip mine pit cover of large caliber according to claim 3, wherein: the cylinder (202) is installed in the supporting disc (207 c) in a penetrating mode, and the upper end of the connector (211) is communicated with the bottom of the cylinder (202) in a flexible hose mode.

5. The strip mine pit cover of any one of claims 1, 2, and 4, wherein: the multi-way liquid flow connecting component (208) is communicated with the water pumping mechanism (400), and the water pumping mechanism (400), the cylinder (202) and the supporting and erecting component (207) are all arranged in a cylinder cavity below the top of the well (103);

the water pumping mechanism (400) comprises a water pump (401), a fixing seat (402) is fixedly connected to the lower side of the water pump (401), and the fixing seat (402) is fixedly connected to the upper side of the supporting disc (207 c).

6. The strip mine pit large caliber well lid according to any one of claims 5, wherein: four lifting mechanisms (300) are arranged below the support erection assembly (207);

elevating system (300) are including fixed plate (302), one end face and the inner chamber fixed connection of laminating portion (104) of electric putter (301) are kept away from to fixed plate (302), run through in fixed plate (302) and install electric putter (301), fixed connection between electric putter (301) ascending flexible end and the support disc (207 c).

7. The strip mine pit cover of any one of claims 1, 2, 4, 6, wherein: a middle part of the inner cavity of the cylinder (202) is fixedly connected with a middle part of the inner cavity of the cylinder (202) and is divided into two cavities by the middle part of the inner cavity;

the double-headed piston (209 b) assembly (203) comprises two sealing plugs (203 c), wherein the two sealing plugs (203 c) are respectively positioned in two cavities formed by dividing the cylinder (202) by the middle partition (210), liquid is respectively pre-stored in the cavities formed by enclosing the upper part and the lower part of the upper sealing plug (203 c) with the inner cavity of the cylinder (202) and the middle partition (210), and liquid is also pre-stored in the lower part of the lower sealing plug (203 c) and the inner cavity of the cylinder (202);

the two sealing plugs (203 c) are fixedly connected through the same movable rod (203 a), the sliding sleeve of the movable rod (203 a) is arranged in the sealing ring (203 b), and the sealing ring (203 b) is arranged at the center of the middle partition (210);

the upper surface fixedly connected with of the below cock body of double-end piston (209 b) is with rack bar (2016) that gear (2015) position corresponds, the tip fixed connection of gear (2015) and valve (2017), valve (2017) and hose (2014) and blast pipe (2013) intercommunication, blast pipe (2013) run through cylinder (202), and hose (2014) pass cylinder (202) and install in laminating portion outlying annular gasbag (204) intercommunication, and are equipped with a plurality of non-slip raised on annular gasbag (204).

8. The strip mine pit large caliber well lid of claim 7, wherein: the multi-way liquid flow connecting assembly (208) comprises two three-way valves (208 b) and a return pipe (208 g), the two three-way valves (208 b) are respectively communicated with a water inlet and a water outlet of the water pump (401), a through hole of the lower three-way valve (208 b) is communicated with a well water pipe (212), the well water pipe (212) downwards extends to penetrate through the supporting disc (207 c), and a through hole of the upper three-way valve (208 b) is communicated with an L-shaped water outlet pipe (205) above the cylinder (202).

9. The strip mine pit cover of any one of claims 1, 2, 4, 6, 8, wherein: the two ends of the return pipe (208 g) are communicated with two connecting pipes (208 e), the two connecting pipes (208 e) are communicated with two cavities of pre-stored liquid above the cylinder (202), and one ends of the two connecting pipes (208 e) far away from the cylinder (202) are respectively communicated with three-way valves (208 b);

the shaft ends of the two three-way valves (208 b) are fixedly connected with driving wheels (208 a), the two driving wheels (208 a) are in driving connection through a belt (208 c), and the upper driving wheel (208 a) is fixedly connected with a handle (208 d).

10. The strip mine pit cover of claim 1, 7 or 9, wherein: the elastic moving assembly (209) comprises a piston (209 b), the piston (209 b) is located in an inner cavity of the cylinder barrel (206), a spring (209 a) is fixedly connected between the upper side of the piston (209 b) and the upper wall of the inner cavity of the cylinder barrel (206), a connecting rod (209 d) is fixedly connected to the lower side of the sealing plug (203 c), the connecting pipe (208 e) downwards penetrates through a hole sleeve (209 c) to be fixedly connected with the upper side of the moving wheel (209 e), and the hole sleeve (209 c) is embedded below the cylinder barrel (206).

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