CN116443651A - Automatic wire barrow for electrified construction of high-speed railway - Google Patents
Automatic wire barrow for electrified construction of high-speed railway Download PDFInfo
- Publication number
- CN116443651A CN116443651A CN202310409799.9A CN202310409799A CN116443651A CN 116443651 A CN116443651 A CN 116443651A CN 202310409799 A CN202310409799 A CN 202310409799A CN 116443651 A CN116443651 A CN 116443651A
- Authority
- CN
- China
- Prior art keywords
- cable
- frame
- friction wheel
- wire barrow
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims description 47
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
- B65H49/324—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model discloses an automatic wire barrow for electrified construction of a high-speed railway, which comprises a wire barrow body, wherein the wire barrow body comprises a frame, wheels arranged at the bottom of the frame and a cable unreeling mechanism arranged on the frame, the cable unreeling mechanism comprises a wire barrow roller rotatably arranged on the frame, the wheels move to drive the frame to move, and when the wheels move, a cable pulling mechanism is driven to pull a cable unreeled on the wire barrow roller downwards through a through hole, and the cable pulling mechanism is in transmission connection with the wheels, and the rolling distance of the wheels is the length of the cable to be paved, so that the length pulled by the cable pulling mechanism can be controlled to be just equal to the length of the cable to be paved, and the problem of waste caused by too fast cable paying off or dragging caused by too slow cable paying off can not occur.
Description
Technical Field
The utility model relates to the technical field of automatic pay-off carts, in particular to an automatic pay-off cart for electrified construction of a high-speed railway.
Background
Along with the development of high-speed electrified railways, the construction technology, equipment and the technological level of the overhead contact system are continuously improved, and higher requirements are also put on operation equipment. The prior railway has two general methods when laying cables:
a wire spool is fixed in position, one end of a cable is pulled to be paved, and a related technology is that a smooth automatic wire barrow for electrified construction of a high-speed railway is disclosed in China patent application No. 201921786645.7;
another method is to mount the wire spool on a movable frame, such as a high-speed railway trackless cable barrow of the chinese patent application No. 202220019048.7, and mount the wire spool on a vehicle body to pay out.
The inventor has conducted intensive search and research on the prior art and found that the conventional railway wire barrow has the following problems that the conventional railway wire barrow is labor-intensive because the cable is pulled by manpower to pay off, and the cable inevitably has larger friction on the ground, so that the abrasion is serious, the mobile wire barrow can cause the paying-off speed to keep up with the moving speed of the vehicle body if the moving speed of the vehicle body is too high in the moving process of the vehicle body, so that the cable can be dragged by the vehicle body, and the paying-off speed can cause a larger length of the paying-off if the moving speed of the vehicle body is too low, and the conventional solution is to control the rotating speed of the wire barrow uniformly, however, according to a linear speed formula v=ω×r (ω is angular speed and r is radius), the angular speed ω is uniform, but the radius r of the cable wound on the wire barrow is gradually reduced as the paying-off speed is gradually reduced, so that the paying-off speed can keep up with the moving speed of the vehicle body at the beginning, and the paying-off speed is difficult to control the paying-off speed of course.
Therefore, the present application aims to propose an automatic wire barrow which is not affected by the moving speed of the vehicle body and the radius of the cable on the wire spool so as to solve the above problems.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the automatic paying-off vehicle for electrified construction of the high-speed railway, which is not influenced by the moving speed of the vehicle body and the radius of the cable on the wire spool, and realizes uniform paying-off.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automatic wire barrow for electrified construction of high-speed railway, includes the wire barrow body, the wire barrow body includes the frame, installs the wheel of frame bottom and set up the cable unreeling mechanism on the frame, the cable unreels the mechanism and is including rotating the setting and be in the wire barrow on the frame, the wire barrow winds has the cable, the frame is fixed with the motor, the output shaft of motor with the axle fixed connection of wire barrow, still include vertical slip setting in the cable temporary storage frame of frame rear end and connect cable temporary storage frame with the first spring between the frame, the lower extreme of cable temporary storage frame runs through and is equipped with the through-hole, the head of cable is followed the through-hole is worn out; the cable pulling mechanism is arranged at the lower end of the frame and used for pulling the cable downwards through the through hole, and the cable pulling mechanism is in transmission connection with the wheels; the sliding resistance-changing mechanism is connected between the cable containing frame and the frame and used for adjusting the voltage value of the motor, and the sliding resistance-changing mechanism is electrically connected with the motor; sliding resistance-changing mechanism: the electric bicycle comprises a sliding rheostat fixed at the rear end of a bicycle frame, wherein the sliding rheostat is electrically connected with a motor, a poking plate is arranged on the sliding rheostat in a sliding mode, and the poking plate is fixedly connected with a cable temporary storage frame.
Preferably, the cable pulling mechanism comprises a driving friction wheel and a driven friction wheel which are rotatably arranged at the bottom of the frame, the diameter of the driving friction wheel is consistent with that of the wheel, the cable is clamped between the driving friction wheel and the driven friction wheel, the driving friction wheel is fixedly provided with a transmission shaft, and a belt pulley transmission pair is connected between the transmission shaft and a wheel shaft.
Preferably, the side surface of the driving friction wheel is embedded with a groove for the cable to be clamped in, and the side surface of the driven friction wheel is embedded in the groove.
Preferably, the rear end of the frame is fixed with a vertical sliding rail, the cable temporary storage frame is fixed with a sliding block, the sliding block is in sliding connection with the vertical sliding rail, and the first spring is connected between the sliding block and the lower end of the vertical sliding rail.
Preferably, a clutch control mechanism for cutting off the transmission relation between the cable pulling mechanism and the wheels is arranged in the through hole, the clutch control mechanism comprises a movable ball movably installed in the through hole, the movable ball penetrates through a round hole, the upper end and the lower end of the round hole are subjected to round corner treatment, the movable ball is close to one side of the pulling mechanism and integrally formed with a movable block, the inner wall of the through hole is provided with a movable groove, the movable block is slidably connected in the movable groove, a second spring is connected between the movable block and the movable groove, a pressing switch is installed in the movable groove, the driving friction wheel is rotatably installed on the transmission shaft, the transmission shaft is provided with an electromagnetic clutch for realizing transmission by the driving friction wheel, and the pressing switch is electrically connected with the electromagnetic clutch.
Preferably, the movable block is biased to the left of the gap between the driving friction wheel and the driven friction wheel.
The beneficial effects of the utility model are as follows:
1. when the cable paying-off device is used, the wheels move to drive the frame to move, and the cable pulling mechanism is driven to pull the cable unwound from the cable paying-off roller downwards through the through hole when the wheels move, and the cable pulling mechanism is in transmission connection with the wheels, so that the length of the cable which is pulled out by the cable pulling mechanism can be controlled to be just equal to the length of the cable which is required to be paved, and the problem of dragging caused by waste or too slow paying-off of the cable due to too fast paying-off of the cable is avoided.
2. According to the utility model, the cable which is paid out by the cable unreeling mechanism is temporarily stored in the cable temporary storage frame, and the cable temporary storage frame can automatically lift according to the length of the cable in the cable temporary storage frame, so that the rotating speed of the wire unreeling roller is regulated by the sliding resistance changing mechanism, and the cable with a certain length is kept in the cable temporary storage frame, thus, when the cable is pulled by the cable pulling mechanism, the tensile force born by the cable can be reduced as much as possible.
3. The bottom of the cable temporary storage frame is provided with the through hole, the through hole is internally provided with the clutch control mechanism for cutting off the transmission relation between the cable pulling mechanism and the wheels, when the cable is completely put on the cable-laying roller or the cable is wound, the cable can extrude the movable block to the right side when being straightened, so that the pressing switch is extruded, the pressing switch is connected with the power supply of the electromagnetic clutch, the pressure plate of the electromagnetic clutch can be separated from the surface of the driving friction wheel, the transmission relation between the electromagnetic clutch and the driving friction wheel is released, the operation of the cable pulling mechanism is stopped, and the cable is prevented from being pulled continuously to break.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of an automatic wire barrow for electrified construction of a high-speed railway, provided by the utility model;
FIG. 2 is an enlarged schematic view of the structure shown in FIG. 1 at A;
FIG. 3 is an enlarged schematic view of the structure at B shown in FIG. 1;
FIG. 4 is a schematic view of the structure of the pulling mechanism of the present utility model;
fig. 5 is a schematic view of an active friction wheel mounting structure according to the present utility model.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, the automatic wire barrow for electrified construction of high-speed rail railway comprises a wire barrow body 1, wherein the wire barrow body 1 comprises a frame 2, wheels 3 arranged at the bottom of the frame 2 and a cable unreeling mechanism 3 arranged on the frame 2, the cable unreeling mechanism 3 comprises a wire barrow roller 31 rotatably arranged on the frame 2, a cable 32 is wound on the wire barrow roller 31, a motor 33 is fixed on the frame 2, an output shaft of the motor 33 is fixedly connected with a shaft of the wire barrow roller 31, when the automatic wire barrow is used, one end of the cable 32 is firstly released from the wire barrow roller 31, then the wire barrow roller 31 is driven to move through movement of a vehicle body, and in the moving process, the motor 33 drives the wire barrow roller 31 to rotate, so that the cable 32 is continuously unreeled, and the cable 32 is paved.
In this embodiment, the rear end of the frame 2 is provided with a cable temporary storage frame 4, the cable temporary storage frame 4 is used for placing a cable 32 released from the paying-off roller 31, a through hole 41 is formed in the lower end of the cable temporary storage frame 4, the head of the cable 32 penetrates out of the through hole 41, the lower end of the frame 2 is provided with a cable pulling mechanism 5 for pulling the cable 32 downwards through the through hole 41, the cable pulling mechanism 5 is in transmission connection with the wheel 3, the cable pulling mechanism 5 comprises a driving friction wheel 51 and a driven friction wheel 52 which are rotatably arranged at the bottom of the frame 2, the diameter of the driving friction wheel 51 is consistent with that of the wheel 3, the cable 32 is clamped between the driving friction wheel 51 and the driven friction wheel 52, and the cable 32 is pulled downwards under the action of friction force through the rotation of the driving friction wheel 51, and the transmission between the driving friction wheel 51 and the wheel 3 will be described in detail later. When the novel cable paying-off device is used, the wheels 3 move to drive the frame 2 to move, the driving friction wheels 51 of the cable pulling mechanism 5 are driven to rotate when the wheels 3 move, the cable 32 unwound from the paying-off roller 31 is pulled downwards through the through holes 41 under the action of friction force, the cable pulling mechanism 5 is in transmission connection with the wheels 3, the cable 32 is paved longer on the ground along with the movement of the wheels 3, the rolling distance of the wheels 3 is the length of the cable 32 to be paved, and therefore the length pulled out through the cable pulling mechanism 5 can be controlled to be just equal to the length of the cable 32 to be paved, and the problem that the cable 32 is wasted due to too fast paying-off or the cable 32 is too slow to be dragged is avoided.
In addition, the cable temporary storage frame 4 is vertically connected with the rear end of the frame 2 in a sliding mode, a first spring 6 is connected between the cable temporary storage frame 4 and the frame 2, when the number of cables 32 in the cable temporary storage frame 4 is large, the cable temporary storage frame 4 slides downwards and compresses the first spring 6, a sliding resistance changing mechanism 7 used for adjusting the voltage value of a motor is connected between the cable storage frame 4 and the frame 2, the sliding resistance changing mechanism 7 is electrically connected with the motor 33, the sliding resistance changing mechanism 7 comprises a sliding rheostat 71 fixed at the rear end of the frame 2, the sliding rheostat 71 is electrically connected with the motor 33, a shifting piece 72 is arranged on the sliding rheostat 71 in a sliding mode, the shifting piece 72 is fixedly connected with the cable temporary storage frame 4, when the number of cables in the cable temporary storage frame 4 is large, the weight is increased, the shifting piece 72 fixedly connected with the cable temporary storage frame 4 slides downwards when the number of cables in the cable temporary storage frame 4 is small, under the elastic action of the first spring 6, the cable temporary storage frame 4 slides upwards, the shifting piece 72 is driven to slide upwards, the motor is adjusted to the sliding speed of the motor is adjusted, and the sliding speed of the motor is adjusted to be 33 when the sliding speed of the sliding rheostat is adjusted to be small, and the voltage value of the rheostat 31 is adjusted.
The operation of the above structure will be specifically described below. When in use, the cable 32 is firstly unwound from the paying-off roller 31, the lower end of the cable 32 is penetrated out through the through hole 41 at the lower end of the cable temporary storage frame 4, the head of the cable 32 is connected to the cable pulling mechanism 5, and the cable 32 with a certain length is required to be reserved in the cable temporary storage frame 4, so that the cable 32 is prevented from being subjected to larger pulling force when the rotating speed of the wheel 3 suddenly increases, the cable 32 in the cable temporary storage frame 4 cannot be excessively long, otherwise the cable 32 at the lower layer cannot be extruded, the cable 32 is difficult to pull out from the through hole 41, the wheel 3 rolls to drive the cable pulling mechanism 5 to work when paying-off is started, the cable 32 is pulled out through the through hole 41 at the lower end of the cable temporary storage frame 4 under the action of the friction force by the driving friction wheel 51 of the cable pulling mechanism 5, so that the cable 32 is paved on the ground, and under ideal conditions, the rotation speed of the wheel 3 is equal to the paying-off speed, in other words, the speed of pulling out the cable from the cable temporary storage frame 4 and the speed of putting the cable temporary storage frame 4 into the paying-off roller 31 are equal, the weight of the cable 32 in the cable temporary storage frame 4 is unchanged, the weight of the cable 32 in the cable temporary storage frame 4 is controlled to be unchanged, that is, the length of the cable 32 in the cable temporary storage frame 4 is controlled to be unchanged, so that the cable 32 is always reserved for a small length in the cable temporary storage frame 4, but when the paying-off vehicle body 1 suddenly accelerates or decelerates, the rotation speed of the wheel 3 is changed, the pulling speed of the cable pulling mechanism 5 is changed, and as the diameter of the cable 32 on the paying-off roller 31 is reduced, the paying-off speed is also slowed down, and three working conditions are described in detail below:
1. when the pay-off vehicle suddenly accelerates, the rotation speed of the wheel 3 becomes fast, so that the cable pulling mechanism 5 accelerates, the cable 32 in the cable temporary storage box 4 is quickly reduced, the cable temporary storage box 4 slides upwards under the action of the elastic force of the first spring 6, the poking piece 72 of the sliding rheostat 71 is driven to move upwards, the voltage of the motor 33 of the pay-off roller 31 increases, the rotation speed of the pay-off roller 31 accelerates, the pay-off speed increases, and the cable 32 is prevented from being stressed by larger tension due to sudden acceleration of the vehicle.
2. Similarly, when the pay-off vehicle suddenly decelerates, the rotation speed of the wheel 3 is reduced, so that the wire pulling speed of the cable pulling mechanism 5 is reduced, the weight of the cable in the cable temporary storage box 4 is gradually increased, the pulling piece 72 of the slide rheostat 71 is driven to move downwards through the sliding of the cable temporary storage box 4, the voltage of the motor 33 of the pay-off roller 31 is reduced, the paying-off speed is reduced, and the cable 32 is prevented from being accumulated in the cable temporary storage box 4.
3. When the diameter of the cable 32 on the paying-off roller 31 is reduced, the paying-off speed is reduced, so that the weight of the cable 32 in the cable temporary storage box 4 is reduced, the cable temporary storage box 4 slides upwards under the action of the elastic force of the first spring 6, the poking piece 72 of the sliding rheostat 71 is driven to move upwards, the voltage of the motor of the paying-off roller 31 is increased, the rotating speed of the paying-off roller 31 is automatically increased, the paying-off speed is automatically increased, and the cable is prevented from being subjected to larger pulling force.
In this embodiment, the driving friction wheel 51 is fixed with a driving shaft 53, a pulley driving pair 54 is connected between the driving shaft 53 and the wheel 3 shaft, and when in operation, the wheel 3 rotates to drive the driving shaft 53 to rotate through the pulley driving pair 54, the driving shaft 53 rotates to drive the driving friction wheel 51 to rotate, and when the driving friction wheel 51 rotates, the cable 32 is pulled downwards by friction force between the driving friction wheel 51 and the cable 32, so that the rolling distance of the wheel 3 is the length between two points, namely the length of the cable 32 to be laid, and the cable pulling mechanism 5 is in driving connection with the wheel 3, so that the length of the cable 32 can be controlled to be just laid between the two points no matter whether the rotation speed of the wheel 3 is fast or slow, or the diameter of the cable on the paying-off roller 31 is large or small.
Specifically, the side surface of the driving friction wheel 51 is embedded with a groove 510 into which the cable 32 is clamped, the side surface of the driven friction wheel 52 is embedded into the groove 510, and the cable 32 is clamped into the groove 510, so as to limit the cable 32 on the side surface of the driving friction wheel 51, ensure good contact between the cable 32 and the side surface of the driving friction wheel 21, and enable the driving friction wheel 51 to rotate to drive the cable 32 to move downwards through the through hole 41 under the abutting action of the driven friction wheel 52.
Specifically, the rear end of the frame 2 is fixed with a vertical slide rail 21, the cable temporary storage frame 4 is fixed with a slide block 42, the slide block 42 is in sliding connection with the vertical slide rail 21, the first spring 6 is connected between the slide block 42 and the lower end of the vertical slide rail 21, and the sliding of the cable temporary storage box 4 is guided through the arrangement of the vertical slide rail 21 and the slide block 42.
Further, the clutch control mechanism 8 for cutting off the transmission relation between the cable pulling mechanism 5 and the wheel 3 is arranged in the through hole 41, the clutch control mechanism 8 comprises a movable ball 81 movably installed in the through hole 41, the movable ball 81 is provided with a round hole 82 in a penetrating mode, the upper end and the lower end of the round hole 82 are subjected to round corner treatment, and the round hole 82 and the round corners of the upper end and the lower end of the round hole 82 are treated, so that the friction received by the cable 32 can be reduced as much as possible when the cable 32 is in the through hole 41, the cable pulling mechanism 5 is prevented from dragging the cable 32, and the cable 32 is worn due to friction with the opening of the through hole 41.
Further, a movable block 83 is integrally formed on one side of the movable ball 81 near the cable pulling mechanism 5, a movable slot 410 is provided on the inner wall of the through hole 41, the movable block 83 is slidably connected in the movable slot 410, a second spring 84 is connected between the movable block 81 and the movable slot 410, a push switch 85 is installed in the movable slot 410, the driving friction wheel 51 is rotatably installed on the transmission shaft 53, the transmission shaft 53 is installed with an electromagnetic clutch 86 that is in transmission with the driving friction wheel 51, the push switch 85 is electrically connected with the electromagnetic clutch 86, the movable block 83 is biased to the left side of the gap between the driving friction wheel 51 and the driven friction wheel 52 (the left side here refers to the side near the head), in fact, in general, because a certain length of cable 32 is reserved in the cable temporary storage frame 4, therefore, when the vehicle suddenly accelerates, a large pulling force is not caused on the cable 32, however, when the cable 32 is completely released on the paying-off roller 31 or the cable 32 is wound, and the like, the cable is easily broken by the cable pulling mechanism 5 when the cable 32 cannot be smoothly pulled out of the through hole 41, and by the arrangement of the movable block 81, when the cable 32 is straightened, the movable block 81 is pressed to the right side (the right side is the side near the vehicle tail here) to press the push switch 85, the push switch 85 turns on the power supply of the electromagnetic clutch 86, the pressure plate of the electromagnetic clutch 86 is separated from the surface of the driving friction wheel 51, the transmission relation between the electromagnetic clutch 86 and the driving friction wheel 51 is released, the operation of the cable pulling mechanism 5 is stopped, the continued pulling of the cable 32 is prevented, causing a stretch-break of the cable 32.
Specifically, referring to fig. 5, a rotation limiting block 531 is integrally formed on a transmission shaft 53, an active friction wheel 51 is rotatably mounted on the rotation limiting block 531, when an electromagnetic clutch 86 is separated from the active friction wheel 51, the transmission shaft 53 only idles and cannot drive the active friction wheel 51 to rotate, and when a pressure plate of the electromagnetic clutch 86 is released from the active friction wheel 51, the transmission shaft 53 drives the pressure plate of the electromagnetic clutch 86 to rotate, and the pressure plate drives the active friction wheel 51 to rotate under the action of friction force, so that the clutch principle is the prior art and is not described in more detail herein.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The automatic wire barrow for electrified construction of the high-speed railway comprises a wire barrow body, wherein the wire barrow body comprises a frame, wheels arranged at the bottom of the frame and a cable unreeling mechanism arranged on the frame, the cable unreeling mechanism comprises a wire barrow roller rotatably arranged on the frame, a cable is wound on the wire barrow roller, the frame is fixedly provided with a motor, and an output shaft of the motor is fixedly connected with a shaft of the wire barrow roller, and the automatic wire barrow is characterized by further comprising
The cable temporary storage frame is vertically arranged at the rear end of the frame in a sliding mode, and the first spring is connected between the cable temporary storage frame and the frame;
the cable pulling mechanism is arranged at the lower end of the frame and used for pulling the cable downwards through the through hole, and the cable pulling mechanism is in transmission connection with the wheels;
the sliding resistance-changing mechanism is connected between the cable containing frame and the frame and used for adjusting the voltage value of the motor, and the sliding resistance-changing mechanism is electrically connected with the motor;
sliding resistance-changing mechanism: the electric bicycle comprises a sliding rheostat fixed at the rear end of a bicycle frame, wherein the sliding rheostat is electrically connected with a motor, a poking plate is arranged on the sliding rheostat in a sliding mode, and the poking plate is fixedly connected with a cable temporary storage frame.
2. The automatic wire barrow for electrified construction of high-speed rails according to claim 1, wherein: the cable traction mechanism comprises a driving friction wheel and a driven friction wheel which are rotatably arranged at the bottom of the frame, the diameter of the driving friction wheel is consistent with that of the wheel, the cable is clamped between the driving friction wheel and the driven friction wheel, the driving friction wheel is connected with a transmission shaft, and a belt pulley transmission pair is connected between the transmission shaft and a wheel shaft.
3. The automatic wire barrow for electrified construction of high-speed railway according to claim 2, wherein: the side face of the driving friction wheel is embedded with a groove for a cable to be clamped in, and the side face of the driven friction wheel is embedded in the groove.
4. The automatic wire barrow for electrified construction of high-speed rails according to claim 1, wherein: the rear end of the frame is fixed with a vertical sliding rail, the cable temporary storage frame is fixed with a sliding block, the sliding block is in sliding connection with the vertical sliding rail, and the first spring is connected between the sliding block and the lower end of the vertical sliding rail.
5. The automatic wire barrow for electrified construction of high-speed rails according to claim 1, wherein: the clutch control mechanism is arranged in the through hole and used for cutting off the transmission relation between the cable pulling mechanism and the wheels, the clutch control mechanism comprises a movable ball movably mounted in the through hole, the movable ball penetrates through a round hole, the upper end and the lower end of the round hole are subjected to round angle treatment, the movable ball is close to one side of the pulling mechanism and is integrally formed with a movable block, the inner wall of the through hole is provided with a movable groove, the movable block is slidably connected in the movable groove, a second spring is connected between the movable block and the movable groove, a pressing switch is mounted in the movable groove, the driving friction wheel is rotatably mounted on the transmission shaft, the transmission shaft is provided with an electromagnetic clutch for realizing transmission with the driving friction wheel, and the pressing switch is electrically connected with the electromagnetic clutch.
6. The automatic wire barrow for electrified construction of high-speed railway of claim 5, wherein: the movable block is biased to the left of the gap between the driving friction wheel and the driven friction wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310409799.9A CN116443651A (en) | 2023-04-18 | 2023-04-18 | Automatic wire barrow for electrified construction of high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310409799.9A CN116443651A (en) | 2023-04-18 | 2023-04-18 | Automatic wire barrow for electrified construction of high-speed railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116443651A true CN116443651A (en) | 2023-07-18 |
Family
ID=87131730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310409799.9A Pending CN116443651A (en) | 2023-04-18 | 2023-04-18 | Automatic wire barrow for electrified construction of high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116443651A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117284862A (en) * | 2023-11-22 | 2023-12-26 | 国网江苏省电力有限公司连云港供电分公司 | Cable laying device for transformer substation construction |
-
2023
- 2023-04-18 CN CN202310409799.9A patent/CN116443651A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117284862A (en) * | 2023-11-22 | 2023-12-26 | 国网江苏省电力有限公司连云港供电分公司 | Cable laying device for transformer substation construction |
| CN117284862B (en) * | 2023-11-22 | 2024-04-26 | 国网江苏省电力有限公司灌南县供电分公司 | Cable laying device for transformer substation construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116443651A (en) | Automatic wire barrow for electrified construction of high-speed railway | |
| CN217087336U (en) | Track cable laying device | |
| CN211687702U (en) | Cable fastening and arranging device for building electrical installation | |
| CN111115368A (en) | Cable pay-off device | |
| CN210735891U (en) | Elevator maintenance is with receiving and releasing car that suitability is strong | |
| CN212450086U (en) | Constant tension pay-off device | |
| CN212101442U (en) | Cable pay-off device | |
| CN210029586U (en) | Copper wire joint device for cable production line without stopping | |
| CN111392620B (en) | Winch for geological drilling | |
| CN112794169A (en) | Cable winding and unwinding device | |
| CN215580055U (en) | Cable wire drawing device for subway power supply | |
| CN214733067U (en) | Wall-mounted film rolling machine | |
| CN113371558B (en) | Electric trolley capable of automatically winding and unwinding water bands and application method thereof | |
| CN219498751U (en) | Novel automatic cable laying device | |
| KR100875395B1 (en) | Winch for wiring electric wire using tires | |
| CN219730184U (en) | Wire winding and unwinding device | |
| CN220457018U (en) | Cable laying device | |
| CN216889997U (en) | Lifting equipment for electric power construction | |
| CN212953641U (en) | Special auxiliary device of geophysical exploration | |
| CN219751549U (en) | Synchronous cable winch | |
| CN220866979U (en) | Unidirectional cable arranging device | |
| CN215558119U (en) | Automatic cable winding device for production of automobile direct-current charging pile | |
| CN212402951U (en) | Wire drawing device for wiring of motor train unit cavity | |
| CN217947216U (en) | Aviation ground well 400Hz cable winding and unwinding devices | |
| CN219116877U (en) | Cable reel over-discharge protection mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |