CN113602930B

CN113602930B - Detect elevator pit water installations

Info

Publication number: CN113602930B
Application number: CN202110865108.7A
Authority: CN
Inventors: 王造祥; 宋永奇; 王杨; 崔金龙; 徐永康; 吴圆盼
Original assignee: Luoerke Elevator Co ltd
Current assignee: Luoerke Elevator Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-10-11
Anticipated expiration: 2041-07-29
Also published as: CN113602930A

Abstract

The invention discloses a device for detecting water inflow of an elevator pit, which comprises a first bottom bearing column and a second bottom bearing column, wherein two ends of one side of the second bottom bearing column are fixedly provided with a bearing support frame; the top of the second bottom loading column is fixedly provided with a preliminary warning structure, and the top of the second bottom loading column is fixedly provided with an auxiliary loading frame through a mortise and tenon structure; an emergency warning structure is fixedly arranged at the top of the auxiliary carrying frame; float ball B rises through the buoyancy effect of water when elevator pit is intake seriously, and then drives to rotate and press frame B to rotate, rotates after rotating certain angle and presses two sets of control switch B, and control switch B controls the elevator and opens and the bring to rest at the floor nearby, prevents that ponding from making the elevator break down and make and take personnel be injured, and the alarm continues to send out the police dispatch newspaper when the elevator stops transporting simultaneously, prevents that personnel from getting into the elevator once more and taking danger.

Description

Detect elevator pit water installations

Technical Field

The invention belongs to the technical field of elevator safety detection warning auxiliary devices, and particularly relates to a device for detecting water inflow of an elevator pit.

Background

The elevator shaft is the well of installation elevator, and the size of well is confirmed according to the elevator lectotype, and the bottom of elevator well pit is smooth level and smooth, and ponding is stored easily in elevator well pit under external force factor (like torrential rain, drainage pipe break etc.) to influence the normal use of elevator, have certain potential safety hazard simultaneously.

For example, patent No. CN201110300090.2 discloses an elevator pit water level detection device and a detection processing method thereof. The elevator pit water level detection device comprises a lowest water level detection sensor, a warning water level detection sensor and a highest water level detection sensor which are sequentially arranged in an elevator pit from low to high; the lowest water level detection sensor, the warning water level detection sensor and the highest water level detection sensor are electrically connected with the elevator main control board, the elevator main control board is electrically connected with a water suction pump arranged in an elevator pit, three sets of water level detection and treatment can be carried out on the water level of the elevator pit, the damage and the corrosion of escalator equipment can be effectively reduced, and personal injury to passengers is reduced.

However, most of current elevator pits are behind intaking, can not carry out quick automated inspection warning, need break down at the elevator after, and rethread maintenance personal progressively gets rid of and overhauls to lead to the inside equipment of elevator pit to receive ponding soaking corrosion and damage, and untimely discharge elevator pit inside ponding, break down when making the elevator operation easily, and then produce the potential safety hazard, make elevator user's personal safety can not obtain the guarantee.

Disclosure of Invention

The invention aims to: in order to solve the problem that most of the existing elevator pits cannot be rapidly and automatically detected, alarm and warning are required to be carried out after the elevator breaks down, and then maintenance personnel gradually remove and overhaul the elevator pit, so that equipment in the elevator pit is damaged due to the fact that the elevator pit is soaked and corroded by accumulated water, the accumulated water in the elevator pit is discharged in time, the elevator runs easily to break down, potential safety hazards are generated, and personal safety of elevator users cannot be guaranteed.

In order to achieve the purpose, the invention adopts the following technical scheme: a device for detecting water inflow of an elevator pit comprises a first bottom bearing column and a second bottom bearing column, wherein a bearing support frame is fixedly mounted at two ends of one side of the second bottom bearing column, two bearing plates are integrally arranged at the bottom of the bearing support frame, a protection bearing frame is fixedly mounted at one side of each bearing plate, a blocking suction hole is formed in one side of the protection bearing frame, a sealing bearing cover is fixedly mounted at the top of the protection bearing frame, a discharge transmission pipe is fixedly mounted at the top of the sealing bearing cover, and a water pump is fixedly mounted at the bottom of the sealing bearing cover;

a first bottom loading column and a second bottom loading column are fixedly arranged at two ends of the first bottom loading column and the second bottom loading column through mortise and tenon structures;

the top of the second bottom loading column is fixedly provided with a preliminary warning structure, the preliminary warning structure comprises a rotating pressing frame A, a floating ball A, a bearing top frame, a control switch A, a controller A and a warning device, the rotating pressing frame A is rotatably arranged outside the bearing rotating shaft, one end of the rotating pressing frame A is fixedly provided with the floating ball A, the bearing top frame is arranged at the top of the assembling frame through a mortise and tenon structure, the control switch A is fixedly arranged on one side of the bearing top frame, two groups of the control switches A are arranged, the controller A is fixedly arranged at the top of the bearing top frame, and the warning device is fixedly arranged at the top of the bearing top frame;

the top of the second bottom loading column is fixedly provided with an auxiliary loading frame through a mortise and tenon structure; an emergency warning structure is fixedly arranged at the top of the auxiliary loading frame and comprises a rotating pressing frame B, a floating ball B, an assembly top frame, a control switch B, a controller B and an alarm, wherein the rotating pressing frame B is rotatably installed on the outer side of the assembly rotating shaft, the floating ball B is fixedly installed at one end of the rotating pressing frame B, the assembly top frame is installed at the top of the assembly frame through a mortise and tenon structure, the control switch B is fixedly installed on one side of the assembly top frame, the controller B is fixedly installed at the top of the assembly top frame, and the alarm is fixedly installed at the top of the assembly top frame;

and a communicating pipe is connected between the two corresponding discharge conveying pipes of the water pumps, a first electromagnetic valve is arranged on the communicating pipe, a second electromagnetic valve is arranged at the upper end of the discharge conveying pipe on one water pump, and a third electromagnetic valve is arranged at the upper end of the discharge conveying pipe on the other water pump.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the preliminary warning structure, after the elevator pit is preliminarily filled with water, the floating ball A rises under the buoyancy action of the water, so that the rotary pressing frame A is driven to rotate, after the rotary pressing frame A rotates to a certain angle, the two groups of control switches A are pressed by the rotary pressing frame A, the control switches A can open the controller A and the warning device, the controller A sends a signal to maintenance personnel in time to inform the maintenance personnel that the elevator pit is provided with accumulated water, and the warning device can send a signal to remind the passenger to normally operate under the condition that the accumulated water does not influence the use of the elevator.

2. According to the emergency warning device, through the arrangement of the emergency warning structure, when water enters a pit of the elevator seriously, the floating ball B rises under the buoyancy action of the water, so that the rotary pressing frame B is driven to rotate, after the rotary pressing frame B rotates to a certain angle, the rotary pressing frame B presses the two groups of control switches B, the control switches B control the elevator to be started and stopped at a nearby floor, the elevator is prevented from being damaged due to the fact that water is accumulated, meanwhile, the alarm continuously gives an alarm when the elevator is stopped, and the situation that people enter the elevator again and danger is caused is prevented.

3. According to the elevator pit water leakage detection device, due to the arrangement of the graduated scale, a maintenance worker can be assisted to determine the integral depth of accumulated water before the maintenance worker maintains the elevator pit after arriving, so that the maintenance worker can observe and judge in advance when the maintenance worker needs to enter the elevator pit for maintenance specifically, meanwhile, after the accumulated water is generated in the elevator pit by the electric shock detection block, the accumulated water is continuously subjected to electric leakage detection, when the accumulated water is detected to be electrified, the auxiliary carrying box automatically operates, the inner pigment is discharged to dye the accumulated water, the maintenance worker is warned, the phenomenon that the accumulated water causes electric leakage of devices in the elevator pit is prevented, the maintenance worker cannot find the accumulated water in time to generate danger in time, after the safety judgment of the maintenance worker is performed, the auxiliary carrying box is connected with an additional pipeline through the discharge pipe, the water pump is started at the same time, the accumulated water in the elevator pit is rapidly discharged, the protective carrying frame can shield the water pump, the protective carrying frame is matched with the blocking suction hole, sundries can be blocked when the water pump discharges, and the water pump cannot normally work due to the fact that the sundries are sucked.

4. The device has an automatic cleaning function, the second electromagnetic valve and the third electromagnetic valve are closed through the controller or the controller, the first electromagnetic valve is opened, one water pump is controlled to work, the other water pump stops working, the working water pump sends the extracted water to the other water pump which stops working through the connecting pipe and the first electromagnetic valve, and the part of water with pressure flushes the blocking suction holes on the peripheral protective carrying frame after flushing out of the water pump which stops working, so that the blocked blocking suction holes are flushed, the smoothness of the blocking suction holes is ensured, and the normal drainage flow of the water pump is ensured; according to the method, the controller controls the water pump corresponding to the water pump which is cleaned to work, and the other water pump stops working. Through control switch and corresponding floating ball and the work of floating ball cooperateing, and combine the performance of water pump self, judge the jam state of water pump, and cooperate first solenoid valve, second solenoid valve, third solenoid valve to work jointly, inhale the hole and carry out automatic clearance to the corresponding separation of water pump, with the normal drainage work of guaranteeing two water pumps, improve drainage efficiency, reduce the work load that the hole was inhaled in artifical clearance separation, improve the degree of automation of this device.

Drawings

FIG. 1 is a schematic view of a main body assembly structure of a device for detecting water inflow of a pit of an elevator, provided by the invention;

FIG. 2 is a schematic view of an assembly structure of a first bottom support pillar of the device for detecting water inflow of an elevator pit according to the present invention;

FIG. 3 is a schematic view of a second bottom support pillar assembly structure of the device for detecting water inflow in the pit of an elevator of the present invention;

FIG. 4 is a schematic view showing the assembly and disassembly of a second bottom support pillar of the device for detecting water inflow in the pit of an elevator of the present invention;

FIG. 5 is an assembled and disassembled view of a first bottom loading column of the device for detecting water inflow of the elevator pit of the present invention;

FIG. 6 is a schematic view of the assembly of a second bottom loading column and an auxiliary loading frame of the device for detecting water inflow in the pit of an elevator of the present invention;

FIG. 7 is a front view of the second bottom loading column and the auxiliary loading frame of the device for detecting water inflow in the pit of the elevator of the present invention;

fig. 8 is a bottom view of the second bottom loading column and the auxiliary loading frame of the elevator pit water inlet detection device in a disassembled manner.

Fig. 9 is a schematic connection diagram of a first solenoid valve, a second solenoid valve and a third solenoid valve of a device for detecting water inflow in an elevator pit according to the present invention.

Illustration of the drawings:

1. a first bottom support column; 101. installing a firmware A; 102. observing the graduated scale; 103. locking the top groove A; 2. a second bottom support column; 201. locking the top groove B; 202. installing an inner groove; 203. installing a firmware B; 204. carrying a support frame; 2041. a carrier plate; 2042. protecting the carrying frame; 2043. blocking the suction hole; 2044. positioning the strut; 205. sealing the carrying cover; 2051. a locking block; 2052. a discharge pipe; 2053. a bearing support plate; 2054. a limiting protrusion; 2055. a water pump; 2056. a first solenoid valve; 2057. a second solenoid valve; 2058. a third electromagnetic valve; 2059. a communicating pipe; 3. a first bottom loading column; 301. a limit lock protrusion A; 302. assembling the support frame; 303. installing a frame; 304. an electric shock measuring block; 305. a protective shielding frame; 306. an auxiliary carrying case; 4. a second bottom loading column; 401. a limit lock bulge B; 402. assembling an inner groove; 403. a limit top groove; 404. a group loading frame; 405. a bearing rotating shaft; 406. rotating the pressing frame A; 4061. floating the ball A; 4062. carrying a top frame; 4063. a control switch A; 4064. a controller A; 4065. an alarm; 5. an auxiliary carrier frame; 501. a fastener; 502. installing a slot; 503. installing a loading frame; 504. assembling a rotating shaft; 505. rotating the pressing frame B; 5051. a floating ball B; 5052. assembling a top frame; 5053. a control switch B; 5054. a controller B; 5055. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example 1

Referring to fig. 1-8, a device for detecting water inflow of an elevator pit comprises a first bottom bearing column 1 and a second bottom bearing column 2, wherein a bearing support frame 204 is fixedly installed at two ends of one side of the second bottom bearing column 2, two bearing plates 2041 are integrally arranged at the bottom of the bearing support frame 204, a protective bearing frame 2042 is fixedly installed at one side of each bearing plate 2041, two ends of the first bottom bearing column 1 and the second bottom bearing column 2 are fixedly installed with a first bottom bearing column 3 and a second bottom bearing column 4 through mortise and tenon structures, limiting locking protrusions B401 are integrally arranged at two ends of the second bottom bearing column 4, an inner assembly groove 402 is formed at the top of the second bottom bearing column 4, limiting top grooves 403 are formed at two ends of the top of the second bottom bearing column 4, an assembly loading frame 404 is fixedly installed on the inner side of the inner assembly groove 402, a bearing rotating shaft 405 is integrally arranged on the inner side of the assembly loading frame 404, and a preliminary warning structure is fixedly installed at the top of the second bottom bearing column 4;

preliminary warning structure is including rotating pressure frame A406, floating ball A4061, bear top frame 4062, control switch A4063, controller A4064 and attention device 4065, it installs and rotates to bear the weight of and press frame A406 to rotate outside the pivot 405, it has floating ball A4061 to rotate pressure frame A406 one end fixed mounting, floating ball A4061 rises through the buoyancy effect of water after elevator pit intakes, and then drive and rotate pressure frame A406 and rotate, rotate and press frame A406 and press two sets of control switch A4063 after rotating to certain angle, bear top frame 4062 and install at group loading frame 404 top through the mortise and tenon structure, bear top frame 4062 one side fixed mounting and have control switch A4063, control switch A4063 is provided with two sets ofly, control switch A4063 can open controller A4064 and attention device 4065, bear top frame 4062 top fixed mounting and have controller A4064, controller A4064 in time sends the signal to the maintenance personal, it has ponding to form to inform the bottom to bear the maintenance personal, elevator top frame 4062 top fixed mounting has ponding 4065, the warning attention device 4065, the influence of the elevator operation condition that the ponding can not normally use, and the warning device can not be in the condition under the influence of riding.

The top of the second bottom loading column 4 is fixedly provided with an auxiliary loading frame 5 through a mortise and tenon structure; the section of the main body of the auxiliary carrying frame 5 is in a structure of Jiong, a fastener 501 is integrally installed on the outer side of the auxiliary carrying frame 5, an installation groove 502 is formed in the top of the auxiliary carrying frame 5, an installation carrying frame 503 is installed on the inner side of the installation groove 502, an assembly rotating shaft 504 is integrally arranged on the inner side of the installation carrying frame 503, and an emergency warning structure is fixedly arranged on the top of the auxiliary carrying frame 5;

the emergency warning structure comprises a rotary pressure frame B505, floating balls B5051, an assembly top frame 5052, a control switch B5053, a controller B5054 and an alarm 5055, wherein the rotary pressure frame B505 is rotatably installed on the outer side of an assembly rotating shaft 504, the floating balls B5051 are fixedly installed at one end of the rotary pressure frame B505, the floating balls B5051 rise under the buoyancy action of water when the bottom pit of the elevator is seriously filled with water, the rotary pressure frame A505 is driven to rotate, the rotary pressure frame B505 presses two groups of control switches B5053 after rotating to a certain angle, the assembly top frame 5052 is installed at the top of the assembly frame 503 through a mortise and tenon structure, the control switch B5053 is fixedly installed at one side of the assembly top frame 5052, the control switch B5053 controls the elevator to be started and stopped at a nearby floor to prevent water from causing elevator faults and causing passengers to be injured, the controller B5054 is fixedly installed at the top of the assembly top frame 5052, the alarm 5055 is fixedly installed at the top of the assembly top frame 5052, and the alarm 5055 continuously gives an alarm when the elevator stops running and prevents people from entering the elevator again and causing danger.

Example 2

The first end holds 1 both ends integral type of post and is provided with installation firmware A101, and installation firmware A101 is provided with three groups, and 1 one side of first end holds post and installs through welded fastening and observes scale 102, and it is provided with two sets of to observe scale 102, and locking top groove A103 has been seted up at 1 both ends top of first end holding post.

Through the setting of two sets of observation scales 102, before the maintenance personal maintains, can further assist the maintenance personal to confirm the whole depth of ponding to when the maintenance personal specifically need get into elevator pit maintenance, carry out observation in advance and judge.

Example 3

The top of two ends of the second bottom bearing column 2 is provided with a locking top groove B201, the top of the middle of the second bottom bearing column 2 is provided with an installation inner groove 202, two sides of the second bottom bearing column 2 are integrally provided with installation fasteners B203, the installation fasteners B203 are provided with three groups, the top of the second bottom bearing column 2 is integrally provided with a bearing support plate 2053, one side of the bearing support plate 2053 is integrally provided with a limit protrusion 2054, one side of the protection bearing frame 2042 is provided with a blocking suction hole 2043, the top of the protection bearing frame 2042 is integrally provided with a positioning support column 2044, the positioning support columns 2044 are provided with two groups, the top of the protection bearing frame 2042 is fixedly provided with a sealing bearing cover 205, two sides of the sealing bearing cover 205 are provided with locking blocks 2051 through welding, the top of the sealing bearing cover 205 is fixedly provided with a discharge delivery pipe 2052, and the bottom of the sealing bearing cover 205 is fixedly provided with a water pump 2055.

Through water pump 2055's presetting, after the maintenance personal reachs, carry out safety judgment earlier, later be connected with extra pipeline through discharging defeated pipe 2052, open water pump 2055 simultaneously, thereby carry out quick discharge to the inside ponding of elevator pit, the protection carries frame 2042 can play certain protection of sheltering from to water pump 2055, and the protection carries the cooperation between frame 2042 and the separation suction hole 2043, can carry out the separation to debris when water pump 2055 drainage, prevent that water pump 2055 can't normally work because of inhaling debris.

Example 4

3 both ends integral types of first base load post are provided with the protruding A301 of spacing lock, and fixed mounting has assembly braced frame 302 in the middle of 3 one sides of first base load post, and assembly braced frame 302 bottom integral type is provided with installing frame 303, and the inboard fixed mounting of installing frame 303 has the electric shock to survey piece 304, and the protection is installed through the mortise and tenon at assembly braced frame 302 top and is shielded frame 305, and the protection shields the inboard fixed mounting of frame 305 and has supplementary year case 306.

Through electrocute survey block 304 can produce ponding back at the elevator pit, continuously carry out electric leakage detection to ponding, when detecting that ponding is electrified, supplementary year case 306 automatic operation dyes ponding with inside pigment discharge for warning maintenance personal, prevent that ponding from leading to elevator pit internal device to produce the electric leakage, and maintenance personal can't in time discover and produce danger.

When the device is used, the device is assembled and installed on the periphery of the bottom of an elevator pit, after the elevator pit initially feeds water, the floating ball A4061 rises under the buoyancy action of the water, the rotating pressing frame A406 is driven to rotate, after the rotating pressing frame A406 rotates to a certain angle, two groups of control switches A4063 are pressed, the control switch A4063 can open the controller A4064 and the warning device 4065, the controller A4064 sends a signal to a maintenance worker in time to inform the maintenance worker that the elevator pit has accumulated water, the warning device 4065 can send a signal to remind the passenger, when the water enters the elevator pit seriously, the floating ball B5051 rises under the buoyancy action of the water, the rotating pressing frame B505 rotates to a certain angle, the two groups of control switches B5053 are pressed by the rotating pressing frame B505, the control switch B5053 controls the elevator to be opened and stopped running at a nearby floor, and meanwhile, the alarm 5055 continuously gives an alarm when the elevator stops running, before a maintenance person reaches the pit and carries out maintenance, the whole depth of accumulated water is determined by the aid of a graduated scale to assist the maintenance person to determine the whole depth of the accumulated water, so that the maintenance person can carry out pre-observation and judgment when the maintenance person specifically needs to enter the pit of the elevator for maintenance, meanwhile, after the accumulated water is generated in the pit of the elevator by the electric shock measuring block 304, electric leakage detection is continuously carried out on the accumulated water, when the accumulated water is detected to be electrified, the auxiliary carrying box 306 automatically runs, the pigment in the auxiliary carrying box is discharged to dye the accumulated water to warn the maintenance person, the phenomenon that the accumulated water causes electric leakage of devices in the pit of the elevator, the maintenance person cannot find the accumulated water in time to generate dangers, after the safety judgment of the maintenance person, the auxiliary carrying box is connected with an additional pipeline through the discharge pipeline 2052, the water pump 2055 is started at the same time, the protective carrying frame 2042 can play a certain role in shielding protection on the water pump 2055, and the protection carrying frame 2042 is matched with the blocking suction hole 2043, so that sundries can be blocked when the water pump 2055 drains water, and the water pump 2055 is prevented from being incapable of working normally due to the fact that sundries are sucked.

Example 5

More rubbish and sundries are often accumulated in the elevator pit, in the process of pumping water by the water pump 2055, although the sundries can be filtered to a certain degree through the protective carrying frame 2042 and the blocking suction hole 2043, when the blocking suction hole 2043 is blocked by the rubbish and the sundries, the influence on the water pump 2055 is still generated, the water pumping efficiency of the water pump 2055 is reduced, and the timely discharge of accumulated water in the elevator pit is not facilitated. Therefore, the blocking suction holes 2043 should be cleaned in time to prevent blockage when water is discharged by the water pump 2055.

Referring to fig. 9, a communicating pipe 2059 is connected between the discharge pipes 2052 corresponding to the two water pumps 2055, the communicating pipe 2059 is provided with a first solenoid valve 2056, the upper end of the discharge pipe 2052 of one of the water pumps 2055 is provided with a second solenoid valve 2057, and the upper end of the discharge pipe 2052 of the other water pump 2055 is provided with a third solenoid valve 2508; controller B5054 is communicatively coupled to controller a 4064.

After the elevator pit is built and the device is installed, the bottom area of the elevator pit is set to be S due to the fixed size of the elevator pit, wherein the height difference between a control switch A4063 and a control switch B5053 is H, the rated flow of a water pump 2055 is Q, when water is pumped under the rated working condition of the water pump 2055 and the water level is reduced from the control switch B5053 to the control switch A4063, the required time T = S H/(2Q) is input into a controller B5054 and a controller A4064 in advance, and the relevant parameters S, H, Q and the like are input into the controller B5054 and the controller A4064 in advance.

After a maintenance worker arrives at the site, the water in the elevator pit is not increased any more, and the electric shock detection block 304 and the auxiliary carrying box 306 detect that no electric leakage condition exists, the maintenance worker connects the discharge transmission pipe 2052 with an additional pipeline, then in the process of simultaneously working and draining the water by the two water pumps 2055, when the water level is reduced to the control switch B5053, the floating ball B5051 releases the extrusion on the control switch B5053, the control switch B5053 is powered off, and at the moment, the controller B5054 starts to record time; when the water level continues to drop to the control switch A4063, the floating ball A4061 releases the extrusion on the control switch A4063, the control switch A4063 is powered off, at the moment, the controller 4064A starts to record time, due to the fact that the controller B5054 is in communication connection with the controller A4064, the time interval value of the time when the controller B5054 and the controller A4064 start to record the time is calculated by one of the controller B5054 and the controller A4064, namely the time T required by the water pump to enable the water level to drop from the control switch B5053 to the control switch A4063 in the actual pumping process of the water is compared with the T and the T values by one of the controller B5054 and the controller A4064; when the value T is less than the value T, it is indicated that the blocking suction holes 2043 corresponding to the two water pumps 2055 or one of the two water pumps 2055 are blocked, so that the corresponding water pumps 2055 are unsmooth in water absorption, and the actual working flow of the corresponding water pump 2055 is smaller than the rated flow, and at this time, in order to ensure normal drainage of the elevator pit, the water pumps 2055 and the corresponding blocking suction holes 2043 need to be cleaned.

Further, in order to reduce the workload of manual cleaning, the device has an automatic cleaning function, and the specific operation method comprises the following steps: when the water pump 2055 and the corresponding blocking suction hole 2043 need to be automatically cleaned, the second electromagnetic valve 2057 and the third electromagnetic valve 2508 are closed through the controller B5054 or the controller a4064, the first electromagnetic valve 2056 is opened, and the blocking suction hole 2043 corresponding to the water pump 2055 is cleaned. Specifically, after the controller B5054 or the controller a4064 closes the second electromagnetic valve 2057 and the third electromagnetic valve 2508 and opens the first electromagnetic valve 2056, one of the water pumps 2055 is controlled to operate, the other water pump 2055 stops operating, the operating water pump 2055 sends the pumped water to the other water pump 2055 which stops operating through the connecting pipe 2059 and the first electromagnetic valve 2056, and the water with pressure at the part is flushed out of the water inlet of the water pump 2055 which stops operating and then flushes the blocking suction holes 2043 on the protective carrying frame 2042 at the periphery of the water pump 2055, so that the blocked blocking suction holes 2043 are flushed away, the blocking suction holes 2043 are ensured to be unobstructed, and the normal drainage flow of the water pump 2055 is ensured; according to the method, the water pump 2055 corresponding to the water pump 2053 which is cleaned and passes through the blocking suction hole 2043 works, and the other water pump 2055 stops working, and the blocking suction hole 2043 corresponding to the water pump 2055 which is not cleaned is cleaned by adopting the same method; the cleaning time of the above process may be set in the controller B5054 or the controller a4064 to secure the cleaning effect. The height of the first solenoid valve 2056 is lower than the heights of the second solenoid valve 2507 and the third solenoid valve 2508, so that the two water pumps 2055 are communicated with the first solenoid valve 2056 through a communication pipe 2059, and the function of effectively cleaning the blocking suction holes 2043 corresponding to each other is achieved. The first solenoid valve 2056, the second solenoid valve 2507 and the third solenoid valve 2508 are electrically connected to the controller a4064 and the controller B5054 to realize automatic control. After the blocking suction holes 2043 corresponding to the two water pumps 2055 are cleaned, the controller B5054 or the controller a4064 controls the first electromagnetic valve 2056 to be closed, the second electromagnetic valve 2057 and the third electromagnetic valve 2058 are opened at the same time, and the two water pumps 2055 are started to work to continue to drain water.

In conclusion, the control switch A4063 and the control switch B5053 work in cooperation with the corresponding floating ball A4061 and the corresponding floating ball B5051, so that preliminary warning and emergency warning when water enters the elevator pit are achieved, preliminary warning is started when preliminary accumulated water is accumulated, and the warning device 4065 can send a signal to remind passengers to normally run under the condition that the accumulated water does not affect the use of the elevator; when the water accumulation is serious, the emergency warning is started, the control switch B5053 controls the elevator to be started and stopped running at the nearby floor, the elevator is prevented from being damaged due to the fault of the water accumulation, and the danger caused by the fact that people enter the elevator again is prevented; when accumulated water in an elevator pit is removed, the control switch A4063 and the control switch B5053 work in cooperation with the corresponding floating ball A4061 and the floating ball B5051, the self performance of the water pump 2055 is combined, the blocking state of the water pump 2055 is judged, the blocking suction holes 2043 corresponding to the water pump 2055 are automatically cleaned in cooperation with the first electromagnetic valve 2056, the second electromagnetic valve 2057 and the third electromagnetic valve 2058, the normal drainage work of the two water pumps 2055 is guaranteed, the drainage efficiency is improved, the workload of manually cleaning the blocking suction holes 2043 is reduced, and the automation degree of the device is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A device for detecting water inflow of an elevator pit comprises a first bottom bearing column and a second bottom bearing column, wherein a bearing support frame is fixedly mounted at two ends of one side of the second bottom bearing column, two bearing plates are integrally arranged at the bottom of the bearing support frame, a protective bearing frame is fixedly mounted at one side of each bearing plate, a blocking suction hole is formed in one side of the protective bearing frame, a sealing bearing cover is fixedly mounted at the top of the protective bearing frame, a discharge conveying pipe is fixedly mounted at the top of the sealing bearing cover, and a water pump is fixedly mounted at the bottom of the sealing bearing cover;

the top of the second bottom loading column is fixedly provided with an auxiliary loading frame through a mortise and tenon structure, a fastener is integrally arranged on the outer side of the auxiliary loading frame, an installation groove is formed in the top of the auxiliary loading frame, an installation loading frame is arranged on the inner side of the installation groove, and an assembly rotating shaft is integrally arranged on the inner side of the installation loading frame;

an assembly inner groove is formed in the top of the second bottom carrier column, an assembly loading frame is fixedly mounted on the inner side of the assembly inner groove, and a bearing rotating shaft is integrally arranged on the inner side of the assembly loading frame;

an emergency warning structure is fixedly arranged at the top of the auxiliary loading frame and comprises a rotating pressing frame B, a floating ball B, an assembly top frame, a control switch B, a controller B and an alarm, wherein the rotating pressing frame B is rotatably arranged outside the assembly rotating shaft, the floating ball B is fixedly arranged at one end of the rotating pressing frame B, the assembly top frame is arranged at the top of the assembly frame through a mortise and tenon structure, the control switch B is fixedly arranged on one side of the assembly top frame, the controller B is fixedly arranged at the top of the assembly top frame, and the alarm is fixedly arranged at the top of the assembly top frame;

2. The device for detecting the water inflow of the elevator pit as claimed in claim 1, wherein the water pump pumps water under a rated working condition and the water level is lowered from a control switch B to a control switch A, and the required time T = S x H/(2Q); the bottom area of an elevator pit is S, the height difference between a control switch A and a control switch B is H, and the rated flow of each water pump is Q; and in the actual water pumping process of the water pump, the water level is reduced from the control switch B to the control switch A for the required time T, when the T is less than the value T, the controller B or the controller A closes the second electromagnetic valve and the third electromagnetic valve, opens the first electromagnetic valve and cleans the blocking suction hole corresponding to the water pump.

3. The device for detecting the water inflow of the elevator pit as claimed in claim 1, wherein the first bottom support pillar is integrally provided with mounting fasteners A at both ends thereof, the mounting fasteners A are provided with three groups, an observation scale is fixedly mounted at one side of the first bottom support pillar by welding, the observation scale is provided with two groups, and locking top grooves A are formed at both ends of the first bottom support pillar.

4. The device for detecting the water inflow of the elevator pit as claimed in claim 1, wherein locking top grooves B are formed in the tops of the two ends of the second bottom bearing column, the top of the middle of the second bottom bearing column is formed in the installation inner groove, installation fasteners B are integrally arranged on the two sides of the second bottom bearing column, three groups of the installation fasteners B are arranged, a bearing support plate is integrally arranged on the top of the second bottom bearing column, and a limiting protrusion is integrally arranged on one side of the bearing support plate.

5. The device for detecting the water inflow of the pit of the elevator as claimed in claim 1, wherein the top of the protective carrier frame is integrally provided with two groups of positioning pillars.

6. The device for detecting the water inflow of the pit of the elevator as claimed in claim 1, wherein locking blocks are installed on both sides of the sealing load cover by welding.

7. The device for detecting the water inflow of the elevator pit as claimed in claim 1, wherein the first bottom loading column is integrally provided with a limiting lock protrusion A at each of two ends, an assembly support frame is fixedly mounted in the middle of one side of the first bottom loading column, an installation frame is integrally arranged at the bottom of the assembly support frame, an electric shock measuring block is fixedly mounted on the inner side of the installation frame, a protection shielding frame is mounted at the top of the assembly support frame through mortise and tenon joints, and an auxiliary loading box is fixedly mounted on the inner side of the protection shielding frame.

8. The device for detecting the water inflow of the elevator pit as claimed in claim 1, wherein the second bottom loading column is integrally provided with limiting locking protrusions B at both ends, and limiting top grooves are formed at both ends of the top of the second bottom loading column.

9. The device for detecting the water inflow of the elevator pit as claimed in claim 1, wherein the height of the first solenoid valve is lower than the height of the second solenoid valve and the third solenoid valve, and the first solenoid valve, the second solenoid valve and the third solenoid valve are electrically connected with the controller A and the controller B.