CN219226658U - Monitoring alarm device capable of observing state of wire connection clamp in real time - Google Patents

Abstract

The utility model discloses a monitoring alarm device capable of observing the state of a wire connecting clamp in real time, which is an intelligent gripping type high-efficiency safe wire connecting clamp with improved upgrade on the basis of original design.

Description

Monitoring alarm device capable of observing state of wire connection clamp in real time

Technical Field

The utility model relates to the technical field of professional equipment in the high-voltage circuit and power transformation construction industry, in particular to a monitoring alarm device capable of observing the state of a wire connecting clamp in real time.

Background

The high-voltage grounding wire is used for high-voltage line and power transformation construction, and mainly plays a role in preventing nearby electrified bodies from generating electrostatic induction electric shock or ensuring safety when in false closing. The high-voltage grounding wire lapping operation is carried out by carrying a lifting rope on the back of a person and lifting a pulley to go up a tower, lifting an insulating operation rod, an electroscope, a grounding wire and the like, the traditional method is used for carrying out the work of installing and dismantling the grounding wire of the alternating current and direct current 500kV power transmission line, and the three-phase insulating operation rod, the grounding wire and other tools are required to be lifted onto the tower through the lifting rope. As shown in fig. 1 and 2, the direct current 500kV insulator string is about 10m long, each phase of wire at least needs to be connected by 1.5 m/section×7 section=10.5m insulating operation rod, the weight is 1.4 kg/section×7 section approximately equal to 10kg, the total weight of the three-phase insulating operation rod is 30kg, the weight is very heavy, the lifting is not facilitated, and the field operation and the high-altitude operation are not facilitated. When the grounding wire is installed and removed, each phase of insulating operation rod consists of 7 sections, and the insulating operation rod needs to be assembled through wire teeth in a meshed mode, so that the insulating operation rod is labor-consuming and time-consuming. The 7 sections of insulating operation rods are 10.5m long, the limited space in the tower frame is easy to collide with the tower, the insulating operation rods are damaged, the insulating performance is affected, and potential safety hazards are also caused for operators. When the ground wire is dismantled after the work is finished, the wire teeth are usually blocked and cannot be opened due to the stress of the insulating operation rod, so that the smooth completion of the operation is affected. The bolt type grounding wire clamp is clamped and opened with a wire by rotating an operating rod, and is very laborious and time-consuming. The traditional method requires 45 minutes for installing a base 500kV pole tower grounding wire, 45 minutes for dismantling and 90 minutes in total, and 2 persons are required for electricians on the tower and 2 persons are required for the electricians on the ground to complete the grounding wire. In a word, the defects of high labor intensity, high operation difficulty, labor and time consumption, low efficiency, potential safety hazard and the like are caused by the fact that the weight is too heavy, the length is too long and the volume is too large.

CN110838625a of the applicant's prior application discloses an automatic grip and ground clamp, which can complete the clamping and opening of the high-voltage wire through a remote control, but there are still some problems, such as unstable wireless signals, hidden danger in battery endurance, and problems that if the wiring state is passively released, the situation cannot be known in time, etc.

Disclosure of Invention

In order to solve the defects and the shortcomings of the prior art, the inventor provides an intelligent gripping type high-efficiency safe wire connecting clamp which is improved and upgraded on the basis of the original design through improvement and research, has the advantages of real-time monitoring of the butt joint state, real-time checking of the wiring state, updating of a matched operation method, further reduction of the whole volume and weight, reduction of the working intensity and climbing weight of operation and maintenance staff, more stable and reliable wireless signal connection, monitoring and early warning of the wiring state, and further improvement of safety.

Specifically, the utility model is realized as follows: the monitoring alarm device comprises a remote control terminal, a wire connecting clamp, a remote control panel, a built-in storage battery, a control mechanism and a clamping mechanism, wherein the remote control panel is built in the wire connecting clamp; or the camera is provided with a built-in battery and a remote connection module and is transmitted to a remote control terminal at a far end through wireless transmission; the remote control terminal can receive real-time image pictures from the camera, process the images, identify the states of the clamping mechanisms in the images, and send out alarm signals when the clamping mechanisms are identified to be in non-clamping states.

Further, the control mechanism: the lifting transmission sleeve rod is connected with a rotating shaft screw rod of the straight shaft motor, and is arranged at the connecting end of the end part of the lifting transmission sleeve rod; the lifting transmission sleeve rod can drive the connecting end of the end head to lift under the forward and reverse rotation action of the straight shaft motor; the clamping mechanism comprises: the device comprises two T-shaped force arms symmetrically distributed at two ends of a connecting end, wherein the middle ends of the T-shaped force arms are hinged with the two ends of the connecting end, a wire clamp is arranged at the lower end of the T-shaped force arm, the upper end of the T-shaped force arm is hinged to the lower end of a movable force arm, and the upper end of the movable force arm is hinged to the end part of a shell; when the connecting end is lifted, the wire clamps can be driven to be separated from each other and opened, and when the connecting end is lowered back, the wire clamps can be driven to be folded and clamped; the shell is cylindrical, the straight shaft type motor is arranged inside one end of the shell, which is close to the clamping mechanism, the built-in storage battery is cylindrical, the built-in storage battery is arranged inside the shell, which is located above the straight shaft type motor, and is close to the other end of the shell, and the remote control panel is arranged at the tail end of the shell.

Further, the image is processed, the image comprises an identification algorithm module installed in the remote control terminal, the identification algorithm module makes state classification identification based on a clamping mechanism state diagram obtained through training, the clamping mechanism state diagram is an atlas of the clamping mechanism in various high-altitude backgrounds in a clamping state, a characteristic target of the clamping mechanism is marked in the atlas to be used as an identification object for training, finally the identification algorithm module can be enabled to identify that the clamping mechanism is in the clamping state, and if the characteristic target changes, the clamping mechanism is indicated to be in a non-clamping state.

Further, guide plates which are obliquely arranged are arranged at the outward ends of the wire clamps, when the wire clamps are in an open state, the guide plates are splayed, after the wire clamps are folded, the guide plates are vertically gathered, and the guide plates are tangentially connected with the groove surfaces of the clamping grooves at the inner sides of the wire clamps; and a junction nose for releasing induced electricity is arranged on the wire clamp.

Further, the one end that the casing is close to fixture is provided with the axle sleeve that stretches out, the lift transmission loop bar is arranged in the axle sleeve, the one end inner wall that the lift transmission loop bar was arranged in the casing is equipped with the internal thread, the pivot tip of straight-axis motor have with the external screw thread of internal screw thread looks adaptation, the length of internal screw thread with the lift range looks adaptation of lift transmission loop bar can satisfy the stroke distance that opens to foling between the fastener.

Further, the camera is arranged on the mounting block, the mounting block can be sleeved and fastened on the shell, the mounting block comprises a detachable fixing block and a detachable bottom block, the fixing block and the bottom block are provided with arc grooves, and the fixing block and the bottom block are connected and clamped on the shell through two locking bolts; an elastic cushion sleeve is also arranged between the mounting block and the shell.

The working principle and beneficial effects of the utility model are introduced:

when the electric wire clamp is placed on the tower, an electrician on the tower carries the electric wire clamp and the insulating rope, after the electric wire clamp reaches the position, the electric wire clamp is in an open state, the direction of the camera is adjusted, so that the electric wire clamp can be exactly aligned to the reverse direction of the wire clamping mechanism, the electric wire clamp is aligned to the high-voltage wire below the electric wire clamp to be connected, then the insulating rope is released to lower the electric wire clamp, when the electric wire clamp is placed to the relative height of the high-voltage wire to be connected, the direction of the electric wire clamp is slowly adjusted, so that two guide plates are exactly positioned at two sides of the high-voltage wire and continuously placed, the high-voltage wire enters the wire clamp along the guide plates, at the moment, the insulating rope is not continuously placed, but a remote control is controlled, a command signal of the wire clamp is sent, and after a remote control board in the electric wire clamp shell receives the remote control signal, the reverse rotation of a direct-axis motor in the shell is driven, the lifting transmission sleeve rod is driven to shrink, the T-shaped on two sides of the end of the lifting transmission sleeve rod is contracted, and the high-voltage wire clamp is tightly folded; thereby completing the connection work of the high-voltage wire in the high air; the camera is started, the current state video data of the wire clamp is acquired and transmitted back to the remote control terminal in real time, a current image picture can be displayed on the remote control terminal, and whether the current wire clamp is gathered and clamped on the high-voltage wire can be clearly seen in the picture; of course, in the wire clamping process, the operation can be performed through the picture returned by the camera, the operation of the wire clamping process can be performed by looking at the picture, and the wire clamping process can be more accurate and convenient. And then, carrying out power grid construction operation, wherein in the process, an operator can confirm the clamping state in real time by observing the screen of the remote control terminal. On the other hand, the built-in recognition module of the remote control terminal can provide a self-recognition alarm function, the self-learning model is used for recognizing target features in the image after processing the video image data in real time, and once the recognition result changes, the situation that the clamping line is possibly changed is described, and an audible alarm is sent or an alarm signal is sent to the remote terminal to remind an operator to confirm. After the operation is finished, when the wiring is required to be removed, the remote control is also used for sending an unlocking instruction, after the remote control board receives the control instruction, the remote control board controls the forward rotation of the straight shaft type motor, and when the straight shaft type motor rotates forward, the lifting transmission sleeve rod can be driven to lift, the T-shaped force arms on two sides of the end part of the lifting transmission sleeve rod are pushed away, so that the wire clamp is unfolded, the insulating rope is recovered, and the wire clamp is lifted and recovered. Through adopting remote control system, electronic realization earthing device is to automatic centre gripping and opening of wire, utilizes insulating rope to replace insulating action bars simultaneously, and three-phase insulating rope and automatic centre gripping head gross weight only 1.5kg, than 28.5kg of traditional methods lighten weight 3.5kg compared with last generation, is favorable to very much open-air work and high altitude construction's development. The installation and the removal of the grounding wire of the one-base 500kV tower only need 50 minutes, 40 minutes are saved compared with the traditional method, and the efficiency is very high. Because the weight, the volume and the length are light and small, only 1 electrician on the tower can complete the installation and the removal of the grounding wire, and only 1 electrician on the ground is needed, thereby saving 2 persons compared with the traditional method. The wiring electric clamp is scientific, reasonable, safe and reliable in structure, fully considers the internal structure and the material selecting process, reduces the whole volume and the weight, changes the paraxial motor of the original grip grounding clamp into a direct-axis motor through experimental demonstration, reduces the power supply loss while increasing the torsion, and avoids burn and strand breakage and even wire breakage accidents caused by the induction of a wire due to the newly added induction electricity by virtue of a release structure, and changes the material of a wire clamp shell into an insulating material, so that the weight is reduced and the stability of a signal is not influenced; the battery endurance, the remote controller and the operating rod switching ring are improved in the aspects of convenience in use, efficiency, safety and the like; the weight of the equipment is reduced, and the load of overhauling personnel is reduced; the effective remote monitoring can improve the controllable and searchable of the wiring state, has the real-time monitoring function, and improves the safety and reliability.

Drawings

FIG. 1 is a perspective view showing the structure of a monitoring alarm device capable of observing the state of a wire connection clamp in real time;

FIG. 2 is a schematic diagram of the open state of the clamping mechanism of the monitoring alarm device capable of observing the clamping state of the electric wire in real time;

FIG. 3 is a schematic cross-sectional view showing the clamping state of the monitoring alarm device capable of observing the clamping state of the electric wire in real time;

FIG. 4 is a schematic view of a camera of the monitoring alarm device capable of observing the state of the wire clip in real time;

FIG. 5 is a perspective view showing the usage state of a monitoring alarm device capable of observing the state of a wire clip in real time according to the present utility model;

wherein: 1 a shell, 2 a remote control panel, 3 a camera, 21 a fixed block, 22 a bottom block, 23 a locking bolt, 24 a built-in storage battery, 25 an elastic cushion sleeve, 12 a straight shaft motor, 13 a rotating shaft, 14 a lifting transmission sleeve rod, 15 a connecting end, 16T-shaped force arms, 17 wire clamps, 18 wire connection noses, 19 guide sheets, 30 shaft sleeves and 31 movable power arms.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The embodiment 1, a monitoring alarm device capable of observing the state of a wire connection clamp in real time, comprises a remote control terminal, a wire connection clamp, a remote control panel 2 arranged in the wire connection clamp, a built-in storage battery 24, a control mechanism and a clamping mechanism, wherein a camera 3 is arranged right above a shell 1 of the wire connection clamp in the direction of the clamping mechanism, the camera 3 is connected to the wire connection clamp of the wire connection clamp and the remote control panel 2, and the remote control panel 2 can transmit images acquired by the camera 3 to the remote control terminal in real time; or the camera 3 is provided with a built-in battery and a remote connection module and is transmitted to a remote control terminal at a far end through wireless transmission; the camera 3 is of a self-module structure, image transmission is carried out through a self-contained transmission protocol and a remote control terminal, and the camera is integrally connected with a wire connecting clamp, so that a power supply can be provided by the wire connecting clamp, and data wireless transmission can be carried out by the remote control panel 2; the remote control terminal can be intelligent equipment such as a mobile phone or a special matched and customized remote control terminal, can receive real-time image pictures from the camera 3, process the images, identify the state of the clamping mechanism in the images, and send out alarm signals when the clamping mechanism is identified to be in a non-clamping state.

Preferably, the image processing includes an identification algorithm module installed in the remote control terminal, the identification algorithm module makes state classification identification based on a clamping mechanism state diagram obtained by training, the clamping mechanism state diagram is an atlas of clamping mechanisms in various high-altitude backgrounds in a clamping state, a characteristic target of the clamping mechanism is marked in the atlas as an identification object for training, finally the identification algorithm module can identify that the clamping mechanism is in a clamping state, and if the characteristic target changes, the clamping mechanism is indicated to be in a non-clamping state. The recognition algorithm module belongs to a control program operated on a chip and a control panel, the algorithm can use the existing image recognition and target recognition algorithm, the specific recognition algorithm is based on the construction of a convolution network learning model of machine self-learning, the self-recognition can be carried out on the image based on the model, the target characteristics in the image can be recognized by the program through the labeling of the target characteristics in the training process, and the recognition result is judged to be abnormal based on the relation among the target characteristics, the construction of the convolution network learning model mentioned in the embodiment belongs to the conventional technical means in the prior art, and a person skilled in the art can design a module program with the alarm function through the steps and the structure of the embodiment, so the embodiment does not describe more on the algorithm; the target features for learning and training are the wire clamp 17 and the high-voltage wire in the clamping state, once the wire clamp 17 is loosened and separated, parameters among the target features change in image data, so that the abnormality of the target features is identified, an alarm signal is sent out to remind a worker to pay attention to, check and make timely judgment; the condition that the wiring is not in the state can be effectively informed, and the safety in the working process is further guaranteed.

Preferably, the control mechanism of the power-on wire clamp in the present embodiment includes a housing 1, a clamping mechanism, a remote control board 2 installed in the housing 1, a built-in storage battery 24, and a control mechanism: the lifting transmission sleeve rod 14 is connected with a rotating shaft 13 of the straight shaft motor 12 through a screw rod, and a connecting end 15 is arranged at the end part of the lifting transmission sleeve rod 14; the lifting transmission sleeve rod 14 can drive the connecting end 15 of the end head of the lifting transmission sleeve rod to lift under the forward and reverse rotation action of the straight shaft motor 12; the clamping mechanism comprises two T-shaped force arms 16 symmetrically distributed at two ends of a connecting end 15, the middle ends of the T-shaped force arms 16 are hinged with two ends of the connecting end 15, a wire clamp 17 is arranged at the lower end of the T-shaped force arms 16, the upper ends of the T-shaped force arms 16 are hinged to the lower end of a movable force arm 31, and the upper ends of the movable force arm 31 are hinged to the end part of a shell 1; when the connecting end 15 is lifted, the wire clamps 17 can be driven to be separated from each other and opened, and when the connecting end 15 is lowered back, the wire clamps 17 can be driven to be folded and clamped; the shell 1 is cylindrical, the straight shaft type motor 12 is arranged in one end of the shell 1 close to the clamping mechanism, the built-in storage battery 24 is cylindrical and arranged in the shell 1 above the straight shaft type motor 12 and close to the other end of the shell 1, and the remote control panel 2 is arranged at the tail end of the shell 1; the wire clamp 17 is provided with a wire lug 18 for releasing induced electricity.

The main operation steps are as follows:

1, an operator tests electricity of a power transmission line to prevent electrified operation;

2, an operator connects the grounding wire clamp 17 with the grounded grounding wire, carries the grounding wire clamp 17 and the insulating rope to reach the iron tower cantilever beam, and takes protective measures;

3, an operator connects one end of the insulating rope with the connecting part of the grounding wire clamp 17, and ensures that the grounding wire clamp 17 is in an open state;

4, an operator operates the insulating rope to lower the grounding wire clamp 17, after the power transmission line enters between the two wire clamp 17 holders, the electric cylinder works through the controller, the two wire clamp 17 holders rotate to enable the lower ends of the two wire clamp 17 holders to be close to clamp the power transmission line, the motor stops working, and the grounding of the phase power transmission line is achieved.

Carrying the wiring electric clamp and the insulating rope on the tower by an electrician on the tower, carrying out preparation work after reaching the position, putting the wire clamp 17 of the wiring electric clamp in an open state and aligning with a high-voltage wire below the wire clamp to be connected, then releasing the insulating rope to put the wiring clamp down, slowly adjusting the direction of the wiring clamp when the wiring clamp is put down to the relative height of the high-voltage wire to be connected, enabling two guide plates 19 to be just positioned at two sides of the high-voltage wire and continuously put down, and also adjusting the wiring clamp by observing real-time video images of the wire clamp 17 in a remote control terminal, so that the high-voltage wire enters the wire clamp 17 along the guide plates 19, at the moment, not continuously putting down the insulating rope, but controlling remote control to send a command signal of the wire clamp, driving the inversion of a straight-shaft motor 12 in the housing 1 after the remote control plate 2 in the wiring electric clamp housing 1 receives the remote control signal, driving the lifting transmission sleeve rod 14 to shrink down when the straight-shaft motor 12 is inverted, and tightening the T-shaped arm 16 at two sides of the end part of the lifting transmission sleeve rod 14, so that the wire clamp 17 is folded and clamps the high-voltage wire; thereby completing the connection work of the high-voltage wire in the high air; after the operation is finished, when the wiring is required to be removed, the remote control is also used for sending an unlocking instruction, after the remote control board 2 receives the control instruction, the direct-axis motor 12 is controlled to rotate positively, and when the direct-axis motor 12 rotates positively, the lifting transmission loop bar 14 can be driven to lift, the T-shaped force arms 16 on two sides of the end part of the lifting transmission loop bar 14 are pushed away, the wire clamp 17 is unfolded, the insulating rope is recovered, and the wire clamp is lifted and recovered. Guide pieces 19 which are obliquely installed are arranged at the outward ends of the wire clamps 17, when the wire clamps 17 are in an open state, the guide pieces 19 are splayed, after the wire clamps 17 are folded, the guide pieces 19 are vertically gathered, and the guide pieces 19 are tangentially connected with the groove surfaces of the clamping grooves at the inner sides of the wire clamps 17.

Preferably, one end of the housing 1, which is close to the clamping mechanism, is provided with an extended shaft sleeve 30, the lifting transmission sleeve rod 14 is arranged in the shaft sleeve 30, an inner wall of one end of the lifting transmission sleeve rod 14, which is arranged in the housing 1, is provided with an inner thread, the end part of the rotating shaft 13 of the straight shaft motor 12 is provided with an outer thread matched with the inner thread, and the length of the inner thread is matched with the lifting amplitude of the lifting transmission sleeve rod 14, so that the travel distance from opening to closing between the wire clamps 17 can be met. The direct rotation of the rotating shaft 13 of the straight shaft type motor 12 can drive the lifting transmission sleeve rod 14 to realize telescopic movement in a threaded rod transmission mode, so that the power consumption requirement can be effectively reduced, and the endurance can be prolonged. The inner diameter and length of the shell 1 are matched with the diameter and height of the stacked and installed direct-axis motor 12 and built-in storage battery 24, so that the direct-axis motor 12 and the built-in storage battery 24 are just placed in the inner cavity of the shell 1, and the whole is tightly wrapped. Because the weight, the volume and the length are light and small, only 1 electrician on the tower can complete the installation and the removal of the grounding wire, and only 1 electrician on the ground is needed, thereby saving 2 persons compared with the traditional method. The wiring electric clamp is scientific, reasonable, safe and reliable in structure, fully considers the internal structure and the material selecting process, reduces the whole volume and the weight, changes the paraxial motor of the original grip grounding clamp 17 into a direct-axis motor through experimental demonstration, reduces the power supply loss while increasing the torsion, and avoids burn, strand breakage and even wire breakage accidents caused by induction of wires due to the newly added induction electricity by virtue of a release structure of the newly added induction electricity, and changes the shell material of the wire clamp 17 into an insulating material, thereby not only reducing the weight but also not affecting the stability of signals; the battery endurance, the remote controller and the operating rod switching ring are improved in the aspects of convenience in use, efficiency, safety and the like; the weight of the equipment is reduced, and the load of overhauling personnel is lightened.

Embodiment 2, a monitoring alarm method capable of observing the state of a wire connection clamp in real time, comprises the following steps:

step S1, constructing an identification algorithm: the recognition algorithm makes a state classification recognition based on the trained clamping mechanism state diagram,

the clamping mechanism state diagram is an atlas of the clamping mechanism in various high-altitude backgrounds in a clamping state, and a characteristic target of the clamping mechanism of each image is marked in the atlas to be used as a recognition object for training;

s2, recognizing the state of the clamping mechanism, and recognizing whether the clamping mechanism is in a clamping state or not based on a convolution network model of machine self-learning;

and step S3, if the characteristic target changes, indicating that the clamping mechanism is in a non-clamping state, and sending an alarm signal.

Preferably, the state of the clamping mechanism includes:

when in the clamping state: the control end sends out wiring instruction to the remote control board 2, and the reversal of control straight-axis type motor 12, when the reversal of straight-axis type motor 12, can drive lift drive loop bar 14 and contract and descend, and the T type arm of force 16 with lift drive loop bar 14 tip both sides contracts and tightens up for fastener 17 folds and presss from both sides tight high-voltage wire, the characteristic target includes: high voltage wires and clamps 17;

when in the clamping state: the positions of the high voltage wires and the clamps 17 change.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (6)

1. The utility model provides a monitoring alarm device that can survey in real time and connect electric wire clamp state, includes remote control terminal, connects electric wire clamp, embeds remote control panel (2) in the electric wire clamp, embeds battery (24), control mechanism and fixture, its characterized in that: a camera (3) is arranged right above the shell (1) of the wire connecting clamp in the direction of the clamping mechanism,

the camera (3) is connected to the power connection wire clamp of the power connection wire clamp and the remote control panel (2), and the remote control panel (2) can transmit the image acquired by the camera (3) to the remote control terminal in real time; or (b)

The camera (3) is provided with a built-in battery and a remote connection module and is transmitted to a remote control terminal at a far end through wireless transmission; the remote control terminal can receive real-time image pictures from the camera (3), process the images, identify the states of the clamping mechanisms in the images, and send out alarm signals when the clamping mechanisms are identified to be in non-clamping states.

2. The monitoring alarm of claim 1 wherein the control mechanism: comprises a straight shaft motor (12), a lifting transmission sleeve rod (14) connected with a rotating shaft (13) of the straight shaft motor (12) through a screw rod, and a connecting end (15) arranged at the end part of the lifting transmission sleeve rod (14); the lifting transmission sleeve rod (14) can drive the connecting end (15) of the end head to lift under the forward and reverse rotation action of the straight shaft motor (12);

the clamping mechanism comprises: the device comprises two T-shaped force arms (16) symmetrically distributed at two ends of a connecting end (15), wherein the middle ends of the T-shaped force arms (16) are hinged with the two ends of the connecting end (15), a wire clamp (17) is arranged at the lower end of the T-shaped force arms (16), the upper ends of the T-shaped force arms (16) are hinged to the lower ends of movable force arms (31), and the upper ends of the movable force arms (31) are hinged to the end parts of a shell (1); when the connecting end (15) is lifted, the wire clamps (17) can be driven to be separated from each other and opened, and when the connecting end (15) is lowered back, the wire clamps (17) can be driven to be folded and clamped with each other;

the shell (1) is cylindrical, the straight shaft type motor (12) is arranged inside one end, close to the clamping mechanism, of the shell (1), the built-in storage battery (24) is cylindrical, is arranged in the shell (1) and is located above the straight shaft type motor (12) and is close to the other end of the shell (1), and the remote control panel (2) is arranged at the tail end of the shell (1).

3. The monitoring alarm device according to claim 1, wherein guide pieces (19) which are obliquely installed are arranged at the outward ends of the wire clamps (17), when the wire clamps (17) are in an open state, the guide pieces (19) are splayed, when the wire clamps (17) are folded, the guide pieces (19) are vertically gathered, and the guide pieces (19) are tangentially connected with the groove surfaces of the clamping grooves at the inner sides of the wire clamps (17); and a junction nose (18) for releasing induced electricity is arranged on the wire clamp (17).

4. The monitoring alarm device according to claim 2, wherein one end of the housing (1) close to the clamping mechanism is provided with an extended shaft sleeve (30), the lifting transmission sleeve rod (14) is arranged in the shaft sleeve (30), an inner wall of one end of the lifting transmission sleeve rod (14) arranged in the housing (1) is provided with an inner thread, the end part of the rotating shaft (13) of the straight shaft motor (12) is provided with an outer thread matched with the inner thread, and the length of the inner thread is matched with the lifting amplitude of the lifting transmission sleeve rod (14), so that the stroke distance from opening to closing between the wire clamps (17) can be met.

5. The monitoring alarm device according to claim 1, wherein the camera (3) is mounted on a mounting block, the mounting block can be sleeved and fastened on the housing (1), the mounting block comprises a detachable fixing block (21) and a detachable bottom block (22), the fixing block (21) and the bottom block (22) are provided with arc grooves, and the fixing block (21) and the bottom block (22) are connected and clamped on the housing (1) through two locking bolts (23).

6. The monitoring alarm apparatus of claim 5 wherein an elastomeric grommet (25) is also mounted between the mounting block and the housing (1).

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