CN210680463U - Clamping line type contact net elastic sling installation device - Google Patents

Clamping line type contact net elastic sling installation device Download PDF

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Publication number
CN210680463U
CN210680463U CN201921045711.5U CN201921045711U CN210680463U CN 210680463 U CN210680463 U CN 210680463U CN 201921045711 U CN201921045711 U CN 201921045711U CN 210680463 U CN210680463 U CN 210680463U
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China
Prior art keywords
clamping
unit
cable
auxiliary
clamping unit
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CN201921045711.5U
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Chinese (zh)
Inventor
李育冰
陈瑞峰
安小旭
周振平
张进才
韩彦
祁静静
黄秋栓
王辉
胡闯
蒙杰
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China Railway Electrification Engineering Group Co Ltd
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China Railway Electrification Engineering Group Co Ltd
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Priority to CN201921045711.5U priority Critical patent/CN210680463U/en
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Abstract

The utility model discloses a card line formula contact net elastic sling installation device mainly comprises mount pad, clamping unit, connecting plate, backing pin, centre gripping unit, wire rope, leading wheel, direction supporting seat and taut unit. The mounting seat is used for fixing all elements of the clamping line type contact net elastic sling mounting device, the mounting seat is manually held, the carrier cable is clamped into the clamping unit and the stop pin, the auxiliary cable is inserted into the clamping unit, the tensioning unit is manually rotated in a proper direction to tension the clamping unit, after the tensioning force reaches a specified value, the carrier cable and the auxiliary cable are connected together by using a proper lock catch, and the tensioning unit is rotated in the opposite direction to loosen the auxiliary cable to complete the mounting work. The clamping line type contact net elastic sling mounting device can be used for high-altitude operation, is convenient to use, reduces the labor intensity of operating personnel, and improves the working efficiency.

Description

Clamping line type contact net elastic sling installation device
Technical Field
The utility model relates to an electric railway system contact net elastic sling installation field, concretely relates to card line formula contact net elastic sling installation device.
Background
With the high-speed development of electrified railways in China, the installation task of a contact network on an electrified construction site is increasingly aggravated, which is a very important and heavy task. Catenary systems are an important task for the direct transmission of electrical energy obtained from traction substations to electric locomotives. Therefore, the quality and the working state of the contact net directly influence the transportation capacity of the electrified railway. Under high-speed operation and severe weather conditions, the electric locomotive must be guaranteed to normally get electricity, and the contact net is required to have enough stability and enough elasticity on a mechanical structure. The high-speed railway is usually suspended in an elastic chain shape, and a contact line is suspended on a carrier cable and an auxiliary cable through a dropper. After one end of the auxiliary cable is installed on the carrier cable, a certain tensioning force is needed before the other end of the auxiliary cable is installed so as to better improve the elasticity of the hanging point, the carrier cable is suspended on a supporting device of the support column, so that the hanging point of the contact wire is increased under the condition that the support column is not increased, and the distance of the contact wire to the rail surface in the whole span is kept consistent by adjusting the length of the hanger. The chain-shaped suspension reduces the sag of the contact line in the middle of the span, improves the elasticity, increases the suspension weight, improves the stability and can meet the requirement of high-speed operation current taking of the electric locomotive. In the construction process of a contact net in China, a screw rod structure is often adopted to tension the chain-shaped suspension, so that the efficiency is low, the overhead operation is inconvenient, and the equipment failure rate is high. The utility model provides a quick tensioning suspension can be realized to card line formula contact net elastic sling installation device, the high altitude construction of being convenient for, convenient to use, work efficiency is high.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims at providing a card line formula contact net elastic sling installation device, it has changed the mode of prior art installation, is fit for high altitude construction more, has reduced intensity of labour, has improved work efficiency, practices thrift the human cost.
In order to realize that these objects and other advantages according to the present invention are achieved, there is provided a wire-clamping type contact net elastic sling mounting device, comprising:
the mounting seat is a mounting base of the clamping line type contact net elastic sling mounting device, positions all elements and bears acting force generated in the mounting process.
The clamping unit can clamp the carrier cable, provides a force application point for the clamping line type contact net elastic sling mounting device and fixes the clamping line type contact net elastic sling mounting device at high altitude.
The connecting plate is a strength reinforcing device of the mounting seat and connects the opening of the mounting seat, so that the working reliability is guaranteed.
The stop pin is used for stopping the turnover of the elastic sling mounting device of the clamping line type contact net and fixing the connecting plate, so that the working safety of equipment is ensured.
The clamping unit is used for clamping the auxiliary cable during working, and the auxiliary cable is loosened after the working is finished, so that self-service clamping can be realized, and the operation is simple and reliable.
The steel wire rope can be a force transmission mechanism of the clamping unit, and can be wound on the winding drum, so that the size of the equipment is reduced.
The guide wheel is an inert wheel driven by the steel wire rope and can change the motion direction of the steel wire rope.
The guide supporting seat is a bearing seat of the clamping unit, a guide groove is formed in the guide supporting seat, the clamping unit moves according to a fixed track, the clamping unit can be opened when the clamping unit resets, and the auxiliary rope can be conveniently taken and placed.
And the tensioning unit is a power source for moving the clamping unit, and tensions the carrier cable and the auxiliary cable under the action of the tensioning unit so that the tensioning force reaches a specified value.
Preferably, the clamping unit is characterized in that the clamping unit comprises a fixed clamping plate.
The fixed clamping plate is used for fixing the clamping unit, and the fixed clamping plate is a key element for clamping the catenary.
Preferably, the clamping unit further comprises a movable clamping plate.
The movable clamping plate is connected with the fixed clamping plate through a rotating shaft, and the movable clamping plate can rotate around the fixed clamping plate.
Preferably, the clamping unit is characterized in that the clamping unit further comprises a clamping screw;
the clamping screw is arranged in a threaded hole of the fixed clamping plate, and the movable clamping plate can be forced to rotate by screwing the clamping screw, so that the clamping screw and the fixed clamping plate clamp the carrier cable together.
Preferably, the clamping unit further comprises a return spring.
The reset spring is used for automatically increasing an opening between the fixed clamping plate and the movable clamping plate when the clamping screw is screwed out, so that the carrier cable is convenient to take and place.
Preferably, the gripping unit is characterized in that the gripping unit comprises a gripping jaw.
The clamping jaw is an element for clamping the auxiliary cable, and a spiral groove is processed in the clamping jaw, so that the clamping friction coefficient can be increased.
Preferably, the clamping unit further comprises a clamping link.
A small gap is reserved between the clamping connecting rod and the clamping jaw, the clamping jaw can rotate around a connecting shaft of the clamping connecting rod in a small range, the contact area when the auxiliary cable is clamped can be ensured to be large enough, the clamping connecting rod applies acting force on the clamping jaw to ensure that the clamping jaw does not slide on the auxiliary cable during working, the clamping connecting rod rotates around a rotation center during working, the clamping jaw acts on the auxiliary cable with larger clamping force, and the specification size and the position of the rotation center of the clamping connecting rod are related to the clamping force of the clamping jaw.
Preferably, the clamping unit is characterized in that the clamping unit further comprises a clamping pin.
The clamping pin shaft is used for connecting the clamping jaw and the clamping connecting rod and bearing shearing force generated during working.
Preferably, the clamping unit is characterized in that the clamping unit further comprises a connecting rod pin.
The connecting rod pin shaft is used for connecting the connecting rod and bearing shearing force generated in working, and meanwhile, the connecting rod pin shaft has the function of a suspension spring.
Preferably, the clamping unit further comprises a tension spring.
The tensioning spring is fixed on the connecting rod pin shaft and is used for tensioning the clamping connecting rod to close the clamping jaw, so that the clamping jaw has a certain clamping force on the auxiliary cable before work.
Preferably, the clamping unit further comprises a guide pin.
The guide pin shaft is used for connecting the middle rotary center of the clamping connecting rod and bearing shearing force in the working process, and meanwhile, the guide pin shaft also has a guide effect and ensures that the clamping unit does not deflect when working.
Preferably the clamping unit further comprises a force transfer link.
The force transmission connecting rod plays a role in transmission force, is an intermediate connecting element, and the specification and the size of the force transmission connecting rod are related to the clamping force of the clamping jaw.
Preferably, the clamping unit is characterized in that the clamping unit further comprises a clamping seat.
The clamping seat is a seat body connected with a connecting rod and used for fixing other elements of the clamping unit.
Preferably, the clamping unit is characterized in that the clamping unit further comprises a rope pin.
The rope pin shaft is fixed on the clamping seat, the end part of the rope pin shaft is provided with a hole for connecting a steel wire rope, and the rope pin shaft and the guide pin shaft play a role in guiding the clamping unit.
Preferably, the clamping unit is characterized in that the clamping unit further comprises a fixed pin.
The fixed pin shaft is used for connecting the force transmission connecting rod with the clamping seat and bearing shearing force generated in the working process.
Preferably, the clamping unit further comprises a tension sensor.
The tension sensor is used for detecting tension in the working process and ensuring that the auxiliary rope tension is appropriate.
Preferably, the clamping unit further comprises a connecting rod.
The connecting rod is used for connecting the tension sensor and the steel wire rope together.
Preferably, the tensioning unit is characterized in that the tensioning unit comprises a tensioning shoe.
The tensioning seat is a seat body of the tensioning unit and is used for fixing other elements of the tensioning unit.
Preferably, the tensioning unit further comprises a gear train.
The gear set is a multi-stage gear transmission unit and is used for increasing input torque and meeting the requirement of clamping force of the clamping unit.
Preferably, the tensioning unit is characterized in that the tensioning unit further comprises a reel.
The winding drum is used for fixing the steel wire rope for winding of the steel wire rope, and meanwhile, the winding drum is fixed with one large gear of the gear set and rotates together with the gear set.
Preferably, the tensioning unit is characterized in that the tensioning unit further comprises a spool shaft.
The winding drum shaft is used for fixing the winding drum and the gear wheel at the output end of the gear set, the winding drum and the gear wheel are sleeved on the winding drum shaft to rotate during working, and the winding drum shaft does not rotate.
Preferably, the tightening unit further comprises a tightening shaft.
The tightening shaft is an input shaft of the tightening unit torque, and a pinion at the input end of the gear set can be driven to rotate through the tightening shaft.
Preferably, the tightening unit further comprises a ratchet.
The ratchet wheel is used for preventing the tightening shaft from not reversing according to requirements and plays a role in keeping the moment when tightening.
Preferably, the tensioning unit further comprises an axial end stop.
The shaft end baffle is used for fixing the drum shaft and preventing the drum shaft from rotating and translating.
Preferably, the tensioning unit further comprises an intermediate shaft.
The intermediate shaft is used for fixing a transmission gear in the middle of the gear set to ensure that the gear in the gear set is normally meshed.
Preferably, the tension unit further comprises a copper sleeve.
The copper bush is used for reducing the abrasion and the friction of the tightening shaft, the intermediate shaft, the gear set and the winding drum, and prolonging the service life of the tightening unit.
The utility model discloses a card line formula contact net elasticity hoist cable installation device, it is slim and graceful small and exquisite, practical convenient, reduced intensity of labour, improved work efficiency, practiced thrift the human cost.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic structural view of the clamping unit.
Fig. 4 is a schematic structural view of the clamping unit.
Fig. 5 is a schematic structural view of the tightening unit.
Fig. 6 is a schematic diagram of a catenary.
Fig. 7 is a view of the elastic sling under tension.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a card line formula contact net elastic sling installation device, include: the mounting base 1 is manually held by the mounting base 1, a catenary 10.1 is clamped into a clamping unit 2 and a stop pin 4, the clamping-line type contact net elastic sling mounting device is manually moved back and forth on the catenary 10.1, an auxiliary rope 10.2 is conveniently inserted into a clamping unit 5, then the clamping unit 2 clamps the catenary 10.1, a tensioning unit 9 is manually rotated in a proper direction to enable a steel wire rope 6 to tension the clamping unit 5, the stop pin 4 plays a role in preventing the clamping-line type contact net elastic sling mounting device from overturning, the clamping unit 5 tightly grasps the auxiliary rope 10.2 to tension the auxiliary rope 10.2, the clamping unit 5 slides on a guide supporting seat 8, a long circular groove is arranged in the guide supporting seat 8 to play a role in preventing the clamping unit 5 from deflecting and opening the clamping unit 5, after the specified force is reached, the tensioning is stopped continuously, the auxiliary rope 10.2 and the catenary 10.1 are manually connected together by a proper lock catch, the clamping unit 2 is manually loosened, the carrier cable 10.1 is loosened, then the tensioning unit 9 is manually rotated in the opposite direction, the steel wire rope 6 pulls the clamping unit 5 in the opposite direction through the guide wheel 7 until the auxiliary cable 10.2 is completely loosened by the clamping unit 5, and the installation work of the auxiliary cable 10.2 is completed.
The utility model discloses only need artifically block messenger wire 10.1 and auxiliary cable 10.2, then the taut unit 9 of drive can accomplish auxiliary cable 10.2's taut, the installation hasp of being convenient for, taut process is simple, reliable, can survey the pulling force value in real time through the display, has reduced workman intensity of labour, has improved work efficiency, has practiced thrift the human cost.
In one embodiment, as shown in fig. 1 and 2, in order to adjust the center position of the device and avoid interference during operation, the mounting base 1 is provided with a long groove, and in order to improve the strength of the mounting base 1, the long groove is sealed by a connecting plate 3 on the back of the mounting base 1, so as to ensure the operation safety.
In one embodiment, as shown in fig. 1, 2 and 3, a worker clamps the catenary 10.1 into the openings of the fixed clamping plate 2.1 and the movable clamping plate 2.2 of the clamping unit 2, tightens the clamping screw 2.3, pushes the end of the clamping screw 2.3 against the movable clamping plate 2.2 to rotate around the connecting rotating shaft 2.6 of the movable clamping plate 2.2 and the fixed clamping plate 2.1, tightly clamps the catenary 10.1, loosens the clamping screw 2.3 after the work is finished, hangs the return spring 2.5 on the large round stud screws 2.4 of the fixed clamping plate 2.1 and the movable clamping plate 2.2, enables the movable clamping plate 2.2 to rotate around the connecting rotating shaft 2.6 of the movable clamping plate 2.2 and the fixed clamping plate 2.1, loosens the catenary 10.1, and facilitates the taking-out of the catenary 10.1.
In one embodiment, as shown in fig. 1, 2 and 4, the auxiliary rope 10.2 is manually inserted into the clamping jaw 5.1, the steel wire rope 6 pulls the connecting rod 5.12 to make the clamping seat 5.8 drive the connecting rods to move, when the guide pin 5.6 leaves the end of the guide supporting seat 8, the tensioning spring 5.5 tensions the clamping connecting rod 5.2 to make the clamping jaw 5.1 clamp the end of the auxiliary rope 10.2, a certain friction force exists between the clamping jaw 5.1 and the auxiliary rope 10.2, and as the connecting rod 5.12 is pulled continuously, the force transmission connecting rod 5.7 and the clamping connecting rod 5.2 act together to balance the friction force between the clamping jaw 5.1 and the auxiliary rope 10.2 with the tension force at the connecting rod 5.12 to ensure that the auxiliary rope 10.2 does not drop. In order to increase the friction coefficient between the auxiliary rope 10.2 and the clamping jaw 5.1, a spiral is processed at the clamping surface, the clamping force is related to the force arm relation between the clamping connecting rod 5.2 and the force transmission connecting rod 5.7, the tensioning force of the auxiliary rope 10.2 is detected by a tension sensor and can be directly displayed through a display for convenient observation, after the work is finished, the other end of the steel wire rope 6 pulls the rope pin 5.9 to move reversely until the guide pin 5.6 hits one end of the long circular groove of the guide supporting seat 8, the steel wire rope 6 further pulls the rope pin 5.9, the guide pin 5.6 does not move continuously, the clamping seat 5.8 continues to move towards the clamping jaw 5.1, under the combined action of the clamping connecting rod 5.2, the force transmission connecting rod 5.7, the connecting rod pin 5.4 and the fixed pin 5.10, the tensioning spring 5.5.5.5.1 is stretched, and the auxiliary rope 10.2 is loosened by the clamping jaw 5.1 so as to take out.
In one embodiment, as shown in fig. 1, 2 and 5, the clamping unit 5 is moved by the tensioning unit 9 driven by the cable 6, all elements of the tensioning unit 9 are integrated in the tensioning seat 9.1, when driving, the end of the shaft 9.5 is manually tightened by a wrench, the tightening shaft 9.5 is connected with the input pinion of the gear set 9.2, the input pinion of the gear set is meshed with the gearwheel on the intermediate shaft 9.8, the pinion on the intermediate shaft 9.8 is meshed with the gearwheel on the reel shaft 9.4, the gearwheel on the reel shaft 9.4 is connected with the reel 9.3, the reel shaft 9.4 is sleeved by the copper sleeve 9.9, when in operation, the reel shaft 9.4 is not rotated, the cable 6 is wound on the reel 9.3, the clamping unit 5 can be pulled to move, the ratchet 9.6 is used for avoiding the reverse rotation of the tightening shaft 9.5 during operation, the direction of the force of the manual tightening shaft 9.5 is parallel to the plane formed by the catenary 10.1 and the auxiliary cable 10.2, large lateral deflection force cannot be generated, and safety of high-altitude operation is facilitated.
In one embodiment, as shown in fig. 1, 2, 6 and 7, the contact wire 10.4 is hung on the carrier cable 10.1 and the auxiliary cable 10.2 by a hanging string 10.3, in order to ensure the flatness of the contact wire 10.4, the carrier cable 10.1 and the auxiliary cable 10.2 must have certain tension force to ensure that each hanging point has proper elasticity, when the elastic sling is installed, the carrier cable 10.1 is installed firstly, then one end of the auxiliary cable 10.2 is connected with the carrier cable 10.1 by a lock catch, then the clip wire type contact net elastic sling installation device is hung on the carrier cable 10.1, and the tension of the auxiliary cable 10.2 and the fixation of the other end are completed as required to complete the installation of the elastic sling.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is thus not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined by the claims and their equivalents.

Claims (4)

1. The utility model provides a card line formula contact net elastic sling installation device which characterized in that includes: the device comprises a mounting seat (1), a clamping unit (2), a connecting plate (3), a stop pin (4), a clamping unit (5), a steel wire rope (6), a guide wheel (7), a guide supporting seat (8) and a tensioning unit (9); the installation seat (1) is used for fixing all elements, when the installation seat works, the installation seat (1) is held by hands, a catenary cable (10.1) is clamped into a clamping unit (2) and a stop pin (4), the catenary cable (10.1) is manually moved back and forth on the catenary cable (10.1) to enable the clamping-line type contact net elastic sling installation device to be convenient for inserting an auxiliary cable (10.2) into a clamping unit (5), then the clamping unit (2) clamps the catenary cable (10.1), the tensioning unit (9) is manually rotated in a proper direction to enable a steel wire rope (6) to tension the clamping unit (5), the stop pin (4) plays a role in preventing the clamping-line type contact net elastic sling installation device from overturning, the clamping unit (5) tightly grasps the auxiliary cable (10.2) to tension the auxiliary cable (10.2), the clamping unit (5) slides on a guide supporting seat (8), a long circular groove is formed in the guide supporting seat (8), and the effects of preventing the clamping unit (5) from deflecting and opening the clamping unit (5), after the tensioning force reaches a specified value, the continuous tensioning is stopped, the auxiliary cable (10.2) and the carrier cable (10.1) are manually connected together by using a proper lock catch, the clamping unit (2) is loosened, the carrier cable (10.1) is loosened, then the tensioning unit (9) is manually rotated in the opposite direction, the steel wire rope (6) reversely pulls the clamping unit (5) through the guide wheel (7) until the clamping unit (5) completely loosens the auxiliary cable (10.2), the installation work of the auxiliary cable (10.2) is completed, based on the technical characteristics, the clamp wire type contact net elastic sling installation device can be conveniently fixed on the carrier cable (10.1), the preparation work before work can be completed only by inserting the auxiliary cable (10.2) into the clamping unit (5), the end of the auxiliary cable (10.2) does not need to be manually fastened, after work, only the clamping unit (2) needs to be loosened, the auxiliary cable (10.2) can be loosened by rotating the tensioning unit (9) in the, the worker can carry fewer tools during operation, and the device is suitable for overhead operation.
2. The clip line contact net elastic sling mounting device as defined in claim 1, wherein the clamping unit (2) comprises a fixed clamping plate (2.1), a movable clamping plate (2.2), a clamping screw (2.3), a large cylindrical stud screw (2.4), a return spring (2.5), a rotating shaft (2.6); the fixed clamping plate (2.1) is an installation seat of the clamping unit (2) and clamps the catenary cable (10.1) together with the movable clamping plate (2.1), when the clamping unit works, a worker clamps the catenary cable (10.1) into openings of the fixed clamping plate (2.1) and the movable clamping plate (2.2) of the clamping unit (2), screws a clamping screw (2.3), pushes the end part of the clamping screw (2.3) against the movable clamping plate (2.2) to rotate around a connecting rotating shaft (2.6) of the movable clamping plate (2.2) and the fixed clamping plate (2.1) so as to tightly clamp the catenary cable (10.1), loosens the clamping screw (2.3) after the work is finished, a return spring (2.5) is hung on a large-circle column cap screw (2.4) of the fixed clamping plate (2.1) and the movable clamping plate (2.2), so that the movable clamping plate (2.2) rotates around the movable clamping plate (2,2) and the connecting rotating shaft (2.6) of the catenary cable (1), the carrier cable (10.1) is convenient to take out.
3. The clamping line type contact net elastic sling mounting device as set forth in claim 1, characterized in that the clamping unit (5) comprises a clamping jaw (5.1), when in operation, an auxiliary rope (10.2) is manually inserted into the clamping jaw (5.1), the steel wire rope (6) pulls the connecting rod (5.12) to make the clamping seat (5.8) drive the connecting rod to move, when the guide pin shaft (5.6) leaves the end of the guide support seat (8), the tensioning spring (5.5) tensions the clamping connecting rod (5.2) to make the clamping jaw (5.1) clamp the end of the auxiliary rope (10.2), a certain friction force exists between the clamping jaw (5.1) and the auxiliary rope (10.2), and as the connecting rod (5.12) is pulled continuously, the force transmission connecting rod (5.7) and the clamping connecting rod (5.2) work together to make the friction force between the clamping jaw (5.1) and the auxiliary rope (10.2) balance with the tension force at the connecting rod (5.12), the auxiliary rope (10.2) is ensured not to be taken off; in order to increase the friction coefficient between the auxiliary rope (10.2) and the clamping jaw (5.1), a spiral is processed at the clamping surface, in addition, the clamping force is related to the force arm relation between the clamping connecting rod (5.2) and the force transmission connecting rod (5.7), the tensioning force of the auxiliary rope (10.2) is detected by a tension sensor and can be directly displayed through a display so as to be convenient for observation, after the work is finished, the other end of the steel wire rope (6) pulls the rope pin shaft (5.9) to move reversely until the guide pin shaft (5.6) hits one end of the long circular groove of the guide supporting seat (8), the steel wire rope (6) continues to pull the rope pin shaft (5.9), the guide pin shaft (5.6) does not move continuously, the clamping seat (5.8) continues to move towards the clamping jaw (5.1), and the spring (5.5) is tensioned under the combined action of the clamping connecting rod (5.2), the force transmission connecting rod (5.7), the connecting rod pin shaft (5.4) and the fixed jaw (5.10, based on the characteristics, the clamping jaw (5.1) can automatically clamp and loosen the end part of the auxiliary cable (10.2), and the tension sensor can directly detect the tension force and visually display the tension force on the display to facilitate observation.
4. The clamping-wire contact-net elastic sling mounting device as defined in claim 1, characterized in that the tightening unit (9) comprises a tightening socket (9.1), the tightening socket (9.1) is used for fixing all elements of the tightening unit (9), in operation, the end of the tightening shaft (9.5) is manually tightened with a wrench, the tightening shaft (9.5) is connected with the input end of the gear set (9.2), the output end transmits the increased torque to the reel (9.3) through the action of the gear set (9.2), the output end of the gear set (9.2) is connected with the reel (9.3), the reel shaft (9.4) is sleeved with a copper sleeve (9.9), in operation, the reel shaft (9.4) does not rotate, the reel (9.3) is wound with a steel wire rope (6), the clamping unit (5) can be pulled to move, the ratchet (9.6) is used for avoiding the reverse rotation of the tightening shaft (9.5) during operation, the direction of the force of the manual tightening shaft (9.5) is parallel to the plane of the carrier wire (10.1) and the auxiliary cable (2), large lateral deflection force cannot be generated, and safety of high-altitude operation is facilitated.
CN201921045711.5U 2019-07-05 2019-07-05 Clamping line type contact net elastic sling installation device Active CN210680463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921045711.5U CN210680463U (en) 2019-07-05 2019-07-05 Clamping line type contact net elastic sling installation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921045711.5U CN210680463U (en) 2019-07-05 2019-07-05 Clamping line type contact net elastic sling installation device

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CN210680463U true CN210680463U (en) 2020-06-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114495403A (en) * 2022-02-21 2022-05-13 武汉理工光科股份有限公司 Fire alarm controller with safety protection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114495403A (en) * 2022-02-21 2022-05-13 武汉理工光科股份有限公司 Fire alarm controller with safety protection
CN114495403B (en) * 2022-02-21 2023-12-19 武汉理工光科股份有限公司 Fire alarm controller with safety protection

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