CN220811540U

CN220811540U - Deep shaft manned hanging cage

Info

Publication number: CN220811540U
Application number: CN202322211122.2U
Authority: CN
Inventors: 林本华; 温焕翃; 兰琼莹; 闫平; 吴梅; 陶创业; 张志刚; 姚远; 王朝态; 王德文
Original assignee: China Gezhouba Group No 2 Engineering Co Ltd
Current assignee: China Gezhouba Group No 2 Engineering Co Ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-19
Anticipated expiration: 2033-08-17

Abstract

The invention discloses a manned suspension cage for a deep shaft, which solves the problem of mistaken parking of the suspension cage. The upper surface of the lifting cage is provided with a movable pulley which is connected with a fixed pulley on a trolley frame through a steel wire rope, the input end of a wireless transmitting device module in the lifting cage is respectively connected with a1 st travel switch, a rising button, a falling button and an emergency stop button, the output end of the wireless transmitting device module is connected with a transmitting antenna, the input end of an antenna receiving module on the trolley frame is connected with a receiving antenna, the output end of the wireless transmitting device module is connected with a1 st relay and a 5 st relay, one end of a1 st suspender and one end of a2 nd suspender are connected with a heavy hammer, the other end of the wireless transmitting device module is connected with a travel switch, the suspender is provided with an upper shifting fork and a lower shifting fork, when the heavy hammer connected with the suspender contacts with a pre-limiting position face at the bottom of a vertical shaft, the lower shifting fork of the suspender pushes the 3 rd travel switch or the 4 th travel switch, the lifting cage is decelerated, and when the heavy hammer contacts with a limiting position face at the bottom of the vertical shaft, the upper shifting fork of the suspender pushes the 1 st travel switch or the 2 nd travel switch, the brake stops.

Description

Deep shaft manned hanging cage

Technical Field

The utility model relates to a cage used in shaft construction or mine.

Background

The hanging cage is used in a large amount in shaft construction or mines, the structure is relatively simple, the chain rolling door and the window are through holes directly. The suspension cage is provided with a pre-bottoming deceleration limit, a steel wire rope is adopted to suspend a heavy hammer (ball), and the suspension cage can be braked and stopped in time after being lowered to the construction surface in the well, so that danger is avoided. The disadvantages of this solution are: (1) In the construction of a hydroelectric vertical shaft, small stones are easy to float into a suspension cage through a window or a rolling chain door, so that the skin of a person is scratched, and the passengers are panicked; (2) The roller chain door has too large hole, and small stones are easy to fly into the hanging cage, so that personnel are injured and panic is caused; (3) The deep vertical shaft chimney effect is also easy to cause misoperation of the steel wire rope heavy hammer type bottoming protection switch, and misoperation of the suspension cage is caused.

Disclosure of Invention

The utility model aims to provide a deep shaft manned cage which can avoid the cage from being stopped by mistake and avoid stone entering in the cage.

The purpose of the utility model is realized in the following way:

The deep shaft manned cage is characterized in that a lifting mechanism 1 is positioned on a trolley frame 3 of a trolley running mechanism 2, a movable pulley 5 is arranged on a manned cage 6 and is connected with a fixed pulley on the trolley frame through a steel wire rope 4, the input end of a wireless transmitting device module 10 in the manned cage is respectively connected with a 1 st travel switch SQ01, a4 th travel switch SQ04, a lifting button SB22, a descending button SB23 and an emergency stop button SB21, the output end of the lifting mechanism is connected with a transmitting antenna 7, the lifting mechanism on the trolley frame is provided with an antenna receiving module, the input of the antenna receiving module is connected with a receiving antenna, the output of the antenna receiving module is respectively connected with a 1 st relay-5 th relay, the wireless transmitting device module and the antenna receiving module are programmable controller PLC, the 1 st relay K01 is connected with a lifting programmable controller PLC input point I0.0, the lifting mechanism is controlled to stop in an emergency mode, the lifting motor cuts off a power supply, and a brake is braked; the 2 nd relay K02 is connected with a PLC input point I0.1 of the lifting programmable controller, controls a motor of the lifting mechanism to cut off a power supply, and brakes are put on and stopped; the 3 rd relay K03 is connected with a PLC input point I0.2 of the lifting programmable controller to control the lifting motor to decelerate; the 4 th relay K04 is connected with a PLC input point I0.3 for lifting a programmable controller, a brake is controlled to open, a lifting motor is electrified, a lifting cage is controlled to open, the 5 th relay K05 is connected with the PLC input point I0.4 for lifting the programmable controller, the brake is controlled to open, the lifting motor is electrified, the lifting cage is descended, the 1 st lifting rod 13 corresponds to the 1 st travel switch SQ01, the 3 rd travel switch SQ03, the 2 nd lifting rod 15 corresponds to the 2 nd travel switch SQ02, the 4 th travel switch SQ04, one end of the 1 st lifting rod and one end of the 2 nd lifting rod in movable fit with a heavy hammer are connected with the travel switch, the upper part of each lifting rod is provided with a convex upper shifting fork and a convex lower shifting fork, the upper shifting fork and the lower shifting fork are different in height and are not overlapped in projection, when the lifting cage connected with the lifting rod is in sliding contact with one point-pre-limiting position of the bottom, the lifting cage is decelerated, the lifting cage is pushed by the lifting fork to push the 3 st travel switch SQ03 or the 4 th travel switch SQ04, when the lifting cage is continuously in sliding contact with the lower point-limiting position of the bottom of the shaft, the lifting cage is pushed by the lifting cage, the lifting box is stopped by the lifting cage, and the lifting cage is fixedly arranged at the 1 st lifting rod or 2, the position is not 1 st lifting rod or 2, and the 2 is mounted in the position is not identical to the lifting box, and the position is mounted with the lifting box is 1, and the bottom or 2.

The manned cage 6 is formed by welding a cage structure body outer covering skin 11, an armrest 17 is arranged in the manned cage structure body, a lamp 8 is arranged on the manned cage structure body, a glass window 9 is arranged on the skin 11, and a lifting lug 19 and a hinge of a cage shutter door 18 are welded on a profile steel framework of the cage structure body.

The 1 st, 2 nd, 3 rd and 4 th travel switches adopt LX33 series travel switches.

The deep shaft manned suspension cage working principle is as follows:

(1) And (5) emergency stop. Pressing the emergency stop button SB21, the normally closed contact is opened, the wireless transmitting module transmits an emergency stop signal, the 1 st relay K01 is electrified and closed after the wireless receiving module arranged on the vertical shaft outer trolley frame 3 receives the signal, the normally closed contact is opened, the motor of the lifting mechanism is powered off and is stopped,

(2) When the suspension cage descends and the operator does not stop the crane in time and the boom heavy hammer contacts the face of the preset position, the 3 rd travel switch SQ03 or the 4 th travel switch SQ04 act, the normally closed contact is disconnected, the wireless transmitting module transmits a deceleration signal, the 3 rd relay coil K03 is electrified to be attracted after the wireless receiving module on the host receives the signal, the motor of the manned lifting mechanism decelerates,

(3) The limit of the hanging cage is limited. When the suspension cage continues to move downwards, the suspension rod heavy hammer contacts with the limit face, the 1 st travel switch SQ01 or the 2 nd travel switch SQ02 acts, the normally closed contact is disconnected, the wireless transmitting module transmits a stopping signal, the 2 nd relay K02 is electrified to be closed after the wireless receiving module on the host receives the signal, the motor of the manned lifting mechanism is powered off and stops,

(4) The lifting cage is lifted, the lifting button SB22 is pressed to be connected, the wireless transmitting module transmits a lifting signal, the 4 th relay K04 is electrified to be closed after the wireless receiving module of the host receives the signal, the motor of the manned lifting mechanism is electrified to release the brake, the lifting cage is lifted to operate,

(5) The cage descends, the descending button SB23 is pressed to be connected, the wireless transmitting module transmits descending signals, and after the host wireless receiving module receives the signals, the 5 th relay K05 is electrified to be attracted, the motor of the manned lifting mechanism is electrified to release the brake, and the cage descends to operate.

The 1 st to 4 th travel switches SQ01 to SQ04 adopt LX33 series travel switches.

The utility model has the following advantages:

(1) The manned cage 6 is formed by welding a covering skin 11 outside a cage structure body, and the lifting lug 19 and the loose-leaf of the cage shutter door 18 are welded on the profile steel framework of the cage structure body. The safety of the cage is improved by adopting the steel shutter 18 and the toughened glass (high-strength resin) window 9, and small broken stones in the vertical shaft are blocked from flying into the cage.

(2) The lifting rod is adopted for limiting, the weight is light, the reliability of a lower limit protection device is improved, the limit protection of a lifting cage is optimized, the vertical shaft is large in wind force due to a chimney effect, in the construction process, a traditional steel wire rope heavy hammer is easy to swing in wind, and when the steel wire rope heavy hammer is hung on a well wall reinforcing steel bar head or the like, a travel switch is triggered, so that misoperation is generated. The boom heavy hammer is limited, the heavy hammer slides in the sliding sleeve along with the boom, the heavy hammer is not easy to swing, and misoperation can not occur.

(3) When an unexpected situation occurs, personnel in the suspension cage can timely send ascending, descending or stopping instructions, so that personnel safety is ensured.

Drawings

FIG. 1 is a diagram of a man cage assembly.

Figure 2 is a schematic illustration of a man cage.

Fig. 3 is a schematic view of a welded framework of a man cage.

Fig. 4 is a schematic diagram of LX33 series travel switch.

Fig. 5 is a schematic diagram of the cage electrical control.

Detailed Description

The deep shaft manned cage, the hoisting mechanism 1 is located on the trolley frame 3 of the trolley running mechanism 2, the upper surface of the manned cage 6 is provided with a movable pulley 5 which is connected with a fixed pulley on the trolley frame through a steel wire rope 4, the input end of a wireless transmitting device module 10 in the manned cage is respectively connected with a1 st-4 th travel switch, a rising button SB22, a falling button SB23 and an emergency stop button SB21, the output end of the wireless transmitting device module is connected with a transmitting antenna, the hoisting mechanism on the trolley frame is provided with an antenna receiving module, the input of the antenna receiving module is connected with a receiving antenna, the output of the antenna receiving module is respectively connected with a1 st-5 th relay, the wireless transmitting device module and the antenna receiving module are programmable controller PLC, the 1 st relay K01 is connected with a lifting programmable controller PLC input point I0.0, the hoisting mechanism is controlled to stop emergently, the hoisting motor cuts off a power supply, and the brake is opened; the 2 nd relay K02 is connected with a PLC input point I0.1 of the lifting programmable controller, controls a motor of the lifting mechanism to cut off a power supply, and brakes are put on and stopped; the 3 rd relay K03 is connected with a PLC input point I0.2 of the lifting programmable controller to control the lifting motor to decelerate; the 4 th relay K04 is connected with a PLC input point I0.3 for lifting the programmable controller, a brake is controlled to open, a lifting motor is electrified, the 5 th relay K05 is connected with the PLC input point I0.4 for lifting the programmable controller, the brake is controlled to open, the lifting motor is electrified, the lifting cage is descended, the 1 st boom 13 corresponds to 1 st and 3 rd travel switches SQ01 and SQ03, the 2 nd boom 15 corresponds to 2 nd and 4 th travel switches SQ02 and SQ04, one end of the 1 st and 2 nd boom in movable fit with the sliding sleeve is connected with the heavy punch, the other end of the 2 nd boom is connected with the travel switch, the upper part of each boom is provided with a convex upper fork and a convex lower fork, the upper fork and the lower fork are different in height and are not overlapped in projection, when the heavy punch connected with the lifting cage slides down to a point-pre-limiting position face at the bottom in the shaft, the lower fork of the boom pushes the 3 rd travel switch SQ03 or the 4 th travel switch SQ04, the lifting cage is decelerated, and when the lifting cage continues to slide down to a lower point-limiting position face in the shaft, the lifting cage pushes the 1 st travel switch SQ01 or the lifting cage to the lower point-limit position face in the lifting cage, the lifting cage is fixedly arranged in the lifting cage, and the 1 st travel switch or the 1 st and the lifting cage is fixedly arranged in the lifting cage or the lifting cage is mounted on the lower position, the lifting switch or the 1 st and the lifting cage or the lower switch and the 2. Because the bottom of the vertical shaft is uneven, the installation positions of the 1 st suspender and the 2 nd suspender are different, and only the suspender which touches the bottom first controls the motor and the brake.

The manned cage 6 is formed by welding a covering skin 11 outside a cage structure body, and the lifting lug 19 and the loose-leaf of the cage shutter door 18 are welded on the profile steel framework of the cage structure body.

The deep shaft manned suspension cage working principle is as follows:

(1) And (5) emergency stop. When the emergency stop button SB21 is pressed, the normally closed contact is opened, the wireless transmitting module transmits an emergency stop signal, the 1 st relay K01 is electrified and closed after the wireless receiving module arranged on the vertical shaft outer trolley frame 3 receives the signal, the normally closed contact is opened, the motor of the lifting mechanism is powered off and is stopped,

(3) The limit of the hanging cage is limited. When the cage continues to move downwards, the boom heavy hammer contacts the limit limiting face, the 1 st travel switch SQ01 or the 2 nd travel switch SQ02 acts, the normally closed contact is disconnected, the wireless transmitting module transmits a stopping signal, the 2 nd relay K02 is electrified to be closed after the wireless receiving module on the host receives the signal, and the motor of the manned lifting mechanism is powered off and stops at the upper gate

The original through hole of the cage window is changed into a toughened glass window 9 or a high polymer resin material window. Wherein the cage structure is formed by welding an outer covering skin 11, wherein the inner part of the cage structure adopts a profile steel framework, and the profile steel framework is shown in fig. 3: the manned suspension cage of the deep shaft is composed of a suspension cage structural member, a suspension cage fixed pulley, a balance beam, a suspension cage steel shutter door 18, a toughened glass or resin glass window 9, a speed reducing switch, a limit protection switch, a small oxygen bottle (for life saving), wireless signal transmitter equipment and the like. As shown in fig. 2: the lifting lug support needs to be welded with the steel of the cage framework, so that the force transmission is ensured to be reliable, and the hinge of the cage shutter door is welded on the steel framework.

The manned hanging cage for the deep shaft is composed of a hanging cage structural member, a hanging cage fixed pulley, a balance beam, a hanging cage steel shutter door, a toughened glass or resin glass window, a speed reducing switch, a limit protection switch, a small oxygen bottle (for life saving), a wireless signal transmitter device and the like. As shown in fig. 2.

The lifting lug support needs to be welded with the steel of the cage framework, so that the force transmission is ensured to be reliable, and the hinge of the cage shutter door is welded on the steel framework.

Lifting lugs, balance beams and pulleys are arranged at the tops of the lifting cages, the lifting steel wire ropes link the lifting cages with a host machine through the pulleys, and 1-2 pairs of balance beams are arranged at the tops of each lifting cage for guaranteeing balance. When the emergency stop is needed, an emergency stop button is arranged in the suspension cage, and the emergency stop can be realized by pressing. The pre-deceleration switch and the limit protection can be set by LX33 series travel time switch: the steel wire rope heavy hammer type (ball) is adopted, a pre-deceleration switch is adopted, and a deceleration signal is triggered after the ball lands, so that the ball can only descend at the lowest speed; the limit switch is used for stopping in time after the ball lands. The boom heavy hammer is adopted, so that the stability in the air is good, the occupied area is small, 2 travel switches can be triggered by one boom, and the weight of the suspension cage is reduced, as shown in fig. 4.

The boom is an improved travel limit protection switch, and compared with a wire rope heavy hammer type, the boom is stable and reliable, one-boom two-triggering is realized, and the bottoming protection device is optimized.

In order to realize deep well wireless signal transmission, a battery, a wireless transmitting module, a transmitting antenna 7 and the like are arranged at the side part and the top part of the suspension cage, an Italian IMT wireless transmission device is adopted, the amplified transmission signal is enhanced, the transmission of 1000m is ensured under the vertical shaft industrial control, the continuity of signal transmission is realized, the signal transmission quality is ensured, and the wireless signal transmission function between the signal in the suspension cage and the power distribution cabinet is realized.

The manned cage is designed and manufactured by taking safety as a first element, and a pre-deceleration switch, a bottoming protection travel switch and an emergency stop button are designed.

Claims

1. The deep shaft manned cage is characterized in that a lifting mechanism (1) is positioned on a trolley frame (3) of a trolley running mechanism (2), a movable pulley (5) is arranged on the manned cage (6) and is connected with a fixed pulley on the trolley frame through a steel wire rope (4), the input end of a wireless transmitting device module (10) in the manned cage is respectively connected with a1 st travel switch SQ01, a4 th travel switch SQ04, a lifting button SB22, a descending button SB23 and an emergency stop button SB21, the output end of the lifting mechanism is connected with a transmitting antenna (7), the input end of the lifting mechanism is connected with a receiving antenna, the output of the lifting mechanism is respectively connected with a1 st relay K01-K05, the wireless transmitting device module and the antenna receiving module are programmable controllers PLC, the 1 st relay K01 is connected with a lifting programmable controller PLC input point I0.0, the lifting mechanism is controlled to stop emergently, 2 actions are carried out, the lifting motor is disconnected from the power supply, and the brake is connected with a brake; the 2 nd relay K02 is connected with a PLC input point I0.1 of the lifting programmable controller, controls a motor of the lifting mechanism to cut off a power supply, and brakes are put on and stopped; the 3 rd relay K03 is connected with a PLC input point I0.2 of the lifting programmable controller to control the lifting motor to decelerate; the 4 th relay K04 is connected with a PLC input point I0.3 for lifting the programmable controller, a brake is controlled to open, a lifting motor is electrified, a lifting cage is controlled to open, the 5 th relay K05 is connected with the PLC input point I0.4 for lifting the programmable controller, the brake is controlled to open, the lifting motor is electrified, the lifting cage is descended, the 1 st boom (13) corresponds to the 1 st travel switch SQ01, the 3 rd travel switch SQ03 and the 2 nd boom (15) corresponds to the 2 nd travel switch SQ02 and the 4 th travel switch SQ04, one end of the 1 st boom and one end of the 2 nd boom in movable fit with the sliding sleeve are connected with the heavy hammer, one end of the boom is connected with the travel switch, the upper part of each boom is provided with a convex upper part and a lower part, the upper fork and the lower fork are different in height and are not overlapped in projection, when the lower boom connected heavy hammer with the lifting cage slides down to a point-pre-limiting position palm face at the bottom of a shaft, the lifting cage is decelerated, the heavy hammer is pushed by the 3 st travel switch SQ03 or the 4 th travel switch, when the lifting cage slides down with the lifting cage continuously to slide to the lower point at the bottom of the shaft, and the lower position of the lifting cage is pushed by the lower position of the lift switch SQ01, the lifting cage is stopped, and the heavy hammer is mounted in the position at the bottom of the position of the lifting cage, and the 2 st, and the boom is mounted in front of the position is mounted in the position of the lifting box (1, and the position is mounted with the boom and the 2, and the brake is mounted with the 2, and the brake is mounted in front and the lower position is in front and the 2.

2. The deep shaft manned suspension cage according to claim 1, wherein the manned suspension cage (6) is formed by welding a suspension cage structure body outer covering skin (11), an armrest (17) is arranged in the manned suspension cage, a lamp (8) is arranged on the manned suspension cage, a glass window (9) is arranged on the skin (11), and a lifting lug (19) and a hinge of a suspension cage shutter door (18) are welded on a profile steel framework of the suspension cage structure body.

3. The deep shaft man cage of claim 1 wherein the 1 st, 2 nd, 3 rd and 4 th travel switches are LX33 series travel switches.