Cable pay-off rack capable of improving construction safety

Abstract

The utility model discloses a cable pay-off rack capable of improving construction safety, which comprises a base, the top of the base is provided with a pay-off rack, the top of the base is provided with a lead allowance measuring device and a speed regulating motor on the side surface of the pay-off rack, the side surface of the pay-off rack is provided with a damper, and the pay-off rack is provided with a transmission belt. The transmission belt is flexibly connected with a rotating shaft of the speed regulating motor, a speed sensor is further arranged at the top of the speed regulating motor and flexibly connected with the transmission belt, a controller is further arranged at the top of the base, and the controller is electrically connected with the wire allowance measuring device, the speed regulating motor and the damper. Due to the fact that the damper can provide reverse external force, cable paying-off can be more rapidly and stably achieved, device slippage or cable breakage caused by the fact that a wire is pulled at a large speed under the condition that few cables are left is avoided, and construction safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical engineering technical field especially is related to a kind of cable pay-off stand of improving construction safety. BACKGROUND

[0002] Cable pay-off stand is a kind of equipment for supporting cable reel and for cable pay-off, in the process of laying cable, cable stored in cable reel is laid out by the way of traction of locomotive, in this process, pay-off speed needs to be quickly adjusted according to the depth of laying area and the surplus of cable material, but due to the large mass of cable, there is usually large resistance and inertia between cable reel and cable, often need great external force to change pay-off speed, which is a big challenge to operator, in addition, pay-off disc is heavy, it is easy to have large speed in the later stage of pay-off process, difficult to stop rotating immediately when cable is about to run out, at this time, cable is easy to break due to pulling, and then large impact force is generated on cable pay-off stand to make the device slip, which may injure the operator on site. SUMMARY

[0003] The utility model mainly provides a kind of cable pay-off stand of improving construction safety to solve the problem of base slippage or cable breakage when laying cable.

[0004] To solve the above technical problems, the technical scheme adopted by the utility model is: a kind of cable pay-off stand of improving construction safety, including base, the base top is installed with pay-off stand, the base top is installed with lead margin measuring device and speed regulation motor on the side of pay-off stand, the pay-off stand is provided with damper, the pay-off stand is installed with transmission belt, the transmission belt is flexibly connected with the rotating shaft of speed regulation motor, the speed regulation motor top is also provided with speed sensor, the speed sensor is flexibly connected with transmission belt, the base top is also provided with controller, the controller is electrically connected with lead margin measuring device, speed regulation motor and damper respectively through signal transmission line.

[0005] Preferably, the lead margin measuring device includes telescopic rotating mechanism, the telescopic rotating mechanism top is fixedly connected with sliding block, the sliding block top is provided with image sensor.

[0006] Preferably, the telescopic rotating mechanism includes in rod body, the rod body bottom is fixedly connected with base through rivet, the rod body top is equipped with telescopic ring, the telescopic ring is hollow structure, hollow slide is opened on the telescopic ring, the slide is movably connected with roller shaft, the telescopic ring is movably connected with telescopic rod, the telescopic rod outer periphery is provided with helical rotating shaft, the roller shaft one end penetrates slide and is fixedly connected with helical rotating shaft.

[0007] Preferably, the sliding block comprises a fastening structure detachably connected to the telescopic rod, a motor is fixedly installed on the fastening structure, and an image sensor is fixedly connected to the top of the fastening structure through a fixing frame.

[0008] Preferably, the base comprises a galvanized carbon steel connecting plate, a plurality of casters are arranged at the bottom of the galvanized carbon steel connecting plate, and a cart handrail is further arranged on the side of the galvanized carbon steel connecting plate.

[0009] Preferably, a supporting rod is further arranged on the damper for supporting the cable laying frame.

[0010] Preferably, two groups of safety protection devices are symmetrically arranged on the side of the base, the safety protection device comprises a supporting frame installed on the top of the galvanized carbon steel connecting plate, a solar plastic shell split flash lamp is fixedly connected to the top of the supporting frame, a first distance measuring sensor is further arranged on the side of the supporting frame away from the cable laying frame, and the first distance measuring sensor and the solar plastic shell split flash lamp are electrically connected through signal transmission lines.

[0011] Preferably, a rear safety protection device is further installed on the base away from the cart handrail, the rear safety protection device comprises a handle rod, a fixed clamping piece is fixedly connected to the outer periphery of the handle rod, the fixed clamping piece is fixedly connected to the base through fixing screws, a second distance measuring sensor and an inner rod are fixedly connected to the two ends of the handle rod, respectively, buffer springs are arranged on the outer periphery of the inner rod, a buffer head is movably connected to the inner rod through the buffer springs, and an alarm lamp is arranged on the buffer head.

[0012] Preferably, the controller is composed of an analog signal receiving circuit, an analog-to-digital conversion circuit, a filter circuit and a single-chip microcomputer, the analog signal receiving circuit is connected with the input end of the analog-to-digital conversion circuit, the output end of the analog-to-digital conversion circuit is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is connected with the speed regulating motor and the damper through signal transmission lines to form a closed loop.

[0013] The utility model has the advantages that: 1. Since the controller can analyze the output data of the speed sensor, the image sensor and the speed regulating motor in real time, the cable laying speed can be quickly adjusted by adjusting the working state of the speed regulating motor and the damper according to the cable slack, and the operator is facilitated;

[0014] 2. Since the damper can provide reverse external force, the cable laying can be more quickly stabilized, and the device can be prevented from slipping or the cable from being broken due to the large speed pulling the conductor when the cable is almost out, and the safety of construction is ensured;

[0015] 3. Different safety protection devices are arranged, and an alarm can be sent when danger comes, so as to protect the operator. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in connection with the drawings and embodiments.

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the circuit block diagram of the utility model;

[0019] Figure 3 It is the structural schematic diagram of the wire allowance measuring device of the utility model;

[0020] Figure 4 It is the structural section view of the telescopic rotating mechanism of the utility model;

[0021] Figure 5 It is the structural schematic diagram of the side safety protection device of the utility model;

[0022] Figure 6 It is the structural schematic diagram of the rear safety protection device of the utility model;

[0023] In the drawing: 1, base; 101, trundle; 102, galvanized carbon steel connecting plate; 103, trolley handrail; 2, wire allowance measuring device; 201, telescopic rotating mechanism; 2011, roller; 2012, slide; 2013, spiral rotating shaft; 2014, telescopic rod; 2015, telescopic ring; 202, sliding block; 2021, motor; 2022, fastening structure; 2023, fixed frame; 203, image sensor; 3, speed sensor; 4, speed regulation motor; 5, controller; 501, analog signal receiving circuit; 502, analog-digital conversion circuit; 503, filter circuit; 504, single-chip microcomputer; 6, signal transmission line; 7, transmission belt; 8, support rod; 9, damper; 10, pay-off stand; 11, side safety protection device; 1101, solar plastic shell split flash lamp; 1102, support frame; 1103, first distance measuring sensor; 12, rear safety protection device; 1201, alarm lamp; 1202, buffer head; 1203, buffer spring; 1204, reflector; 1205, fixed clamping piece; 1206, second distance measuring sensor; 1207, fixing screw; 1208, handle; 1209, inner rod. DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawings and embodiments.

[0025] As Figures 1-6As shown, a cable pay-off rack for improving construction safety, comprising a base 1, a pay-off rack 10 is installed on the top of the base 1, a wire allowance measuring device 2 and a speed regulating motor 4 are installed on the top of the base 1 on the side of the pay-off rack 10, a damper 9 is arranged on the pay-off rack 10, a transmission belt 7 is installed on the pay-off rack 10, the transmission belt 7 is flexibly connected with the rotating shaft of the speed regulating motor 4, a speed sensor 3 is further arranged on the top of the speed regulating motor 4, the speed sensor 3 is flexibly connected with the transmission belt 7, a controller 5 is further arranged on the top of the base 1, the controller 5 is electrically connected with the wire allowance measuring device 2, the speed regulating motor 4 and the damper 9 through a signal transmission line 6, in the embodiment, the output end of the speed sensor 3 and the wire allowance measuring device 2 is electrically connected with the input end of the controller 5, the output end of the controller 5 is electrically connected with the speed regulating motor 4 and the damper 9, when in use, the controller 5 controls the rotating speed of the speed regulating motor 4 by setting the pay-off speed threshold value and the initial pay-off speed, the output shaft of the speed regulating motor 4 drives the transmission belt 7 to rotate to start pay-off, the speed sensor 3 detects the rotating speed of the pay-off rack 10 to sense the pay-off speed of the equipment, generates a speed signal, the speed signal generated by the speed regulating motor 4 is input into the controller 5 through the signal transmission line 6, the controller 5 adjusts the rotating speed of the speed regulating motor 4 and the working state of the damper 9 to dynamically adjust the pay-off speed, in the embodiment, the speed sensor 3 can be a KJTCS500 magneto- electric rotating speed sensor, the speed regulating motor 4 can be a YVF2 three-phase 380V frequency conversion speed regulating motor, the signal transmission line 6 can be an RS485 transmission twisted pair line, the transmission belt 7 can be a polyurethane synchronous belt, and the damper 9 can be a MAF-090-007-P1 disc reducer for reducing rotating speed and matching inertia.

[0026] Preferably, the wire allowance measuring device 2 comprises a telescopic rotating mechanism 201, a sliding block 202 is fixedly connected to the top of the telescopic rotating mechanism 201, an image sensor 203 is arranged on the top of the sliding block 202, when in use, the image sensor 203 measures the wire allowance through image measurement, adjusts the measurement angle under the action of the telescopic rotating mechanism 201 and the sliding block 202, image tracking of the tracking wire is performed at any time, an image signal is generated, the working state of the speed regulating motor 4 and the damper 9 is adjusted through the controller 5, the image sensor 203 can be a SA-2314 image sensor.

[0027] Preferably, the telescopic rotating mechanism 201 comprises a rod body, the bottom of the rod body is fixedly connected with the base 1 through rivets, the top of the rod body is provided with a telescopic ring 2015, the telescopic ring 2015 is a hollow structure, a hollow slide 2012 is formed in the telescopic ring 2015, a rolling shaft 2011 is movably connected in the slide 2012, a telescopic rod 2014 is movably connected in the telescopic ring 2015, a spiral rotating shaft 2013 is arranged on the outer periphery of the telescopic rod 2014, one end of the rolling shaft 2011 penetrates through the slide 2012 and is fixedly connected with the spiral rotating shaft 2013, and the bottom of the rod body is fixedly connected with the base 1 through rivets in the embodiment, the top of the rod body is fixedly connected with the hollow telescopic ring 2015, the telescopic ring 2015 is internally provided with the telescopic rod 2014, the telescopic ring 2015 is provided with the hollow slide 2012, the rolling shaft 2011 is movably connected in the slide, and one end of the rolling shaft 2011 penetrates through the slide 2012 and is fixedly connected with the spiral rotating shaft 2013; in use, the rolling shaft 2011 walks upwards along the slide 2012, so that the spiral rotating shaft 2013 rotates upwards, thereby driving the telescopic rod 2014 to extend and rotate upwards.

[0028] Preferably, the sliding block 202 comprises a fastening structure 2022 detachably connected with the telescopic rod 2014, a motor 2021 is fixedly installed on the fastening structure 2022, and an image sensor 203 is fixedly connected with the fastening structure 2022 through a fixing frame 2023; in the embodiment, the motor 2021 can be selected from an SCR12BG-1863-12 52 gear transmission motor; the fastening structure 2022 is a round hole fastener and is fixedly connected with the telescopic rod 2014 through rivets, the top of the fastening structure 2022 is provided with the fixing frame 2023, the fixing frame 2023 is movably connected with the fastening structure 2022 through a hexagonal screw and a nut, and the motor 2021 drives the fixing frame 2023 to rotate by driving the hexagonal screw rod to rotate, so that the image sensor 203 adjusts the shooting angle.

[0029] Preferably, the base 1 comprises a galvanized carbon steel connecting plate 102, a plurality of casters 101 are arranged at the bottom of the galvanized carbon steel connecting plate 102, and a trolley handrail 103 is further arranged on the side of the galvanized carbon steel connecting plate 102; the casters 101 are super-heavy iron core rubber universal wheels, the galvanized carbon steel connecting plate 102 is made of cold-rolled Q235 pattern steel plate and is cut into an axisymmetric hexagon.

[0030] Preferably, the damper 9 is further provided with a support rod 8 for supporting a wire paying-off rack 10, and the support rod 8 adopts a stable triangular structure.

[0031] Preferably, two groups of safety protection devices 11 are symmetrically arranged on the side of the base 1, the safety protection devices 11 comprise a supporting frame 1102 mounted on the top of the galvanized carbon steel connecting plate 102, a solar plastic shell split explosion flash lamp 1101 is fixedly connected to the top of the supporting frame 1102, a first distance measuring sensor 1103 is further arranged on the supporting frame 1102 away from the wire paying-off frame 10, the first distance measuring sensor 1103 and the solar plastic shell split explosion flash lamp 1101 are electrically connected through the signal transmission line 6, and a safety distance threshold value of the on-site operator is set in the controller 5 in the embodiment; the distance measuring sensor 1103 in the side safety protection device detects the distance of the obstacles around the equipment, if a person is detected to approach to the safety distance threshold value, the controller 5 outputs a danger alarm signal, so that the solar plastic shell split explosion flash lamp 1101 and the alarm lamp 1201 are lighted to remind the on-site operator

[0032] Preferably, a rear safety protection device 12 is further mounted on the base 1 away from the cart handrail 103, the rear safety protection device 12 comprises a handle rod 1208, a fixed clamping piece 1205 is fixedly connected to the outer periphery of the handle rod 1208, the fixed clamping piece 1205 is fixedly connected with the base 1 through the fixed screw 1207, a second distance measuring sensor 1206 and an inner rod 1209 are fixedly connected to the two ends of the handle rod 1208, respectively, a buffer spring 1203 is arranged on the outer periphery of the inner rod 1209, a buffer head 1202 is movably connected to the inner rod 1209 through the buffer spring 1203, and an alarm lamp 1201 is arranged on the buffer head 1202, when the device slides backward and collides with an obstacle, the buffer head 1202 in the rear safety protection device 12 is pressed, and it is noted that the side of the buffer head 1202 facing the obstacle is buffered through the buffer spring 1203; at the same time, the rear safety protection device 12 generates a pressing signal, which is transmitted into the single-chip microcomputer 504 through the analog signal receiving circuit 501, the analog-digital conversion circuit 502 and the filter circuit 503, the single-chip microcomputer 504 outputs a danger alarm signal, so that the solar plastic shell split explosion flash lamp 1101 and the alarm lamp 1201 are lighted to alarm, the first distance measuring sensor 1103 and the second distance measuring sensor 1206 in the embodiment can be selected from the UB6000-30GM60 ultrasonic distance measuring sensor, and an M12 five-core aviation plug is adopted.

[0033] Preferably, the controller 5 is composed of an analog signal receiving circuit 501, an analog-digital conversion circuit 502, a filter circuit 503, and a single-chip microcomputer 504. The analog signal receiving circuit 501 is connected to the input end of the analog-digital conversion circuit 502. The output end of the analog-digital conversion circuit 502 is connected to the input end of the filter circuit 503. The output end of the filter circuit 503 is connected to the input end of the single-chip microcomputer 504. The output end of the single-chip microcomputer 504 is connected to the speed-regulating motor 4 and the damper 9 through the signal transmission line 6 to form a closed loop.

[0034] The working principle of the present application is as follows: before construction, the wire laying speed threshold and initial wire laying speed are set in the single-chip microcomputer 504 according to engineering experience. During construction, the single-chip microcomputer 504 inputs the initial wire laying speed model to the speed-regulating motor 4 through the signal transmission line 6; the speed-regulating motor 4 works according to the speed and drives the wire laying frame 10 to rotate and start wire laying through the transmission belt 7; the speed sensor 3 detects the rotating speed of the wire laying frame 10 to sense the wire laying speed of the device and generates a speed signal; the image sensor 203 measures the wire allowance by tracking the image of the wire and adjusts the measurement angle under the action of the telescopic rotating mechanism 201 and the slider 202, and tracks the image of the tracking wire at any time to generate an image signal; the speed signal generated by the speed sensor 3, the image signal generated by the image sensor 203, and the speed signal generated by the speed-regulating motor 4 are input to the controller 5 through the signal transmission line 6, and the three signals are transmitted to the single-chip microcomputer 504 through the analog signal receiving circuit 501, the analog-digital conversion circuit 502, and the filter circuit 503; the single-chip microcomputer 504 outputs a speed adjustment instruction by comprehensively inputting the signals, adjusts the rotating speed of the speed-regulating motor 4 and the working state of the damper 9, and dynamically adjusts the wire laying speed. When the wire laying speed is too high, the single-chip microcomputer 504 outputs a speed reduction signal to the speed-regulating motor 4; when the wire laying speed is too low, the single-chip microcomputer 504 outputs a speed increase signal to the speed-regulating motor 4; when the wire has no excessive allowance, the single-chip microcomputer 504 outputs a speed reduction signal to the speed-regulating motor 4 and the damper 9, and the wire laying frame 10 is quickly stopped under the action of the counterforce generated by the damper 9; the single-chip microcomputer 504 sets a safety distance threshold for the on-site operator; the distance measuring sensor 1103 in the side safety protection device and the distance measuring sensor 1206 in the rear safety protection device detect the distance of the obstacles around the device, and the signals are transmitted to the single-chip microcomputer 504 through the analog signal receiving circuit 501, the analog-digital conversion circuit 502, and the filter circuit 503; the single-chip microcomputer 504 comprehensively inputs the signals and compares them with the set safety distance threshold for the on-site operator, and if the input signal is higher than the set safety distance threshold, the single-chip microcomputer 504 outputs a danger alarm signal to make the solar plastic shell split body flash lamp 1101 and the alarm lamp 1201 light up to remind the on-site operator; when the device slips backward and hits an obstacle, the buffer head 1202 in the rear safety protection device 12 is pressed, and the buffer spring 1203 is used for buffering and damping; at the same time, the rear safety protection device 12 generates a pressing signal, which is transmitted to the single-chip microcomputer 504 through the analog signal receiving circuit 501, the analog-digital conversion circuit 502, and the filter circuit 503; the single-chip microcomputer 504 outputs a danger alarm signal to make the solar plastic shell split body flash lamp 1101 and the alarm lamp 1201 light up to alarm.

[0035] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, and the protection scope of the present application should be the technical solutions recited in the claims, including the equivalent replacement solutions of the technical features recited in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. A cable pay-off stand for improving construction safety, characterized in that The application relates to a wire laying device, which comprises a base (1), a wire laying frame (10) mounted on the top of the base (1), a wire margin measuring device (2) and a speed regulating motor (4) mounted on the side of the top of the base (1) and located on the side of the wire laying frame (10), a damper (9) arranged on the wire laying frame (10), a transmission belt (7) mounted on the wire laying frame (10) and flexibly connected with the rotating shaft of the speed regulating motor (4), a speed sensor (3) arranged on the top of the speed regulating motor (4) and flexibly connected with the transmission belt (7), and a controller (5) arranged on the top of the base (1) and electrically connected with the wire margin measuring device (2), the speed regulating motor (4) and the damper (9) through signal transmission lines (6).

2. The cable pay-off stand of claim 1, wherein The wire margin measuring device (2) comprises a telescopic rotating mechanism (201), and a sliding block (202) is fixedly connected to the top of the telescopic rotating mechanism (201); and an image sensor (203) is arranged on the top of the sliding block (202).

3. The cable pay-off stand of claim 2, wherein The telescopic rotating mechanism (201) comprises a rod body, the bottom of the rod body is fixedly connected with the base (1) through rivets, a telescopic ring (2015) is arranged on the top of the rod body, the telescopic ring (2015) is a hollow structure, a hollow slide (2012) is formed in the telescopic ring (2015), a roller shaft (2011) is movably connected in the slide (2012), a telescopic rod (2014) is movably connected in the telescopic ring (2015), a spiral rotating shaft (2013) is arranged on the outer periphery of the telescopic rod (2014), and one end of the roller shaft (2011) penetrates through the slide (2012) and is fixedly connected with the spiral rotating shaft (2013).

4. The cable pay-off stand of claim 3, wherein The sliding block (202) comprises a fastening structure (2022) detachably connected with the telescopic rod (2014), a motor (2021) is fixedly installed on the fastening structure (2022), and the image sensor (203) is fixedly connected with the fastening structure (2022) through a fixing frame (2023) on the top of the fastening structure (2022).

5. The cable pay-off stand of claim 1, wherein The base (1) comprises a galvanized carbon steel connecting plate (102), a plurality of casters (101) are arranged on the bottom of the galvanized carbon steel connecting plate (102), and a cart handle (103) is further arranged on the side of the galvanized carbon steel connecting plate (102).

6. The cable pay-off stand of claim 1, wherein A supporting rod (8) is further arranged on the damper (9) for supporting the wire laying frame (10).

7. The cable pay-off stand of claim 5, wherein Two groups of safety protection devices (11) are symmetrically arranged on the side of the base (1), the safety protection device (11) comprises a supporting frame (1102) mounted on the top of the galvanized carbon steel connecting plate (102), a solar plastic shell split flash lamp (1101) is fixedly connected to the top of the supporting frame (1102), a first distance measuring sensor (1103) is further arranged on the side of the supporting frame (1102) away from the wire laying frame (10), and the first distance measuring sensor (1103) and the solar plastic shell split flash lamp (1101) are electrically connected through signal transmission lines (6).

8. The cable pay-off stand of claim 1, wherein, The base (1) is further provided with a rear safety protection device (12) at the end away from the trolley handle (103), the rear safety protection device (12) comprises a handle rod (1208), the handle rod (1208) is fixedly connected with a fixed clamping piece (1205) on the outer periphery, the fixed clamping piece (1205) is fixedly connected with the base (1) through a fixing screw (1207), the handle rod (1208) is fixedly connected with a second distance measuring sensor (1206) and an inner rod (1209) at two ends respectively, the inner rod (1209) is provided with a buffer spring (1203) on the outer periphery, the inner rod (1209) is movably connected with a buffer head (1202) through the buffer spring (1203), and the buffer head (1202) is provided with an alarm lamp (1201).

9. The cable pay-off stand of claim 1, wherein, The controller (5) is composed of an analog signal receiving circuit (501), an analog-digital conversion circuit (502), a filter circuit (503) and a single-chip microcomputer (504), the analog signal receiving circuit (501) is connected with the input end of the analog-digital conversion circuit (502), the output end of the analog-digital conversion circuit (502) is connected with the input end of the filter circuit (503), the output end of the filter circuit (503) is connected with the input end of the single-chip microcomputer (504), and the output end of the single-chip microcomputer (504) is connected with the speed regulating motor (4) and the damper (9) through a signal transmission line (6) to form a closed loop.

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