CN211619876U

CN211619876U - Arm support device of insulating overhead working truck

Info

Publication number: CN211619876U
Application number: CN201922502649.4U
Authority: CN
Inventors: 苑登波; 许宜超; 张泽华; 李培启
Original assignee: Xuzhou Hailunzhe Special Vehicle Co ltd
Current assignee: Xuzhou Hailunzhe Special Vehicle Co ltd; Xuzhou Handler Special Vehicle Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an arm support device of insulating high altitude construction car, including the lower arm part that is equipped with basic festival arm and last flexible arm, be equipped with the upper arm part and the arm support state monitoring devices of basic festival arm and basic flexible arm, it can realize the upper arm part, the lower arm part is flexible alone, and can monitor the arm support state in real time, and then realize under the same whole car length size, the operation height is higher, and through the real-time supervision arm support state, can prevent that the insulating operation platform from moving to the dangerous operation region takes place whole car accident of tumbling, guarantee the stability of whole car operation, prevent simultaneously because the misoperation takes place the arm support part and appears damaging the collision certainly, thereby reduce the potential safety hazard of operation car.

Description

Arm support device of insulating overhead working truck

Technical Field

The utility model relates to an insulating high altitude construction car field, concretely relates to cantilever crane device of insulating high altitude construction car.

Background

With the development of economy and society, the requirements of people on the maintenance and the quick response of power supply are continuously improved, the insulation aerial work vehicle can quickly respond, has the advantages of high work efficiency, convenience in lifting, large work range, good electrical insulation performance and the like, and can be widely applied to the industries of electric power, telecommunication and the like; the surface of an insulating overhead working truck is usually coated with insulating paint and uses insulating hydraulic oil, and the insulating overhead working truck is divided into insulating grades of 10kv, 35kv, 63kv, 110kv, 220kv and the like according to rated voltage; in the prior art, an insulated overhead working truck usually adopts a telescopic boom structure form and a double-folding and upper-telescopic mixed boom structure form, and a lower arm of the mixed boom structure usually comprises two basic knuckle arms 2 and two balance arms which are the same in length and are arranged in parallel.

In order to meet the ground insulation performance of hot-line work, the tail arm (the knuckle arm connected with the working bucket) of the upper arm in the double-folding and upper-telescopic mixed arm frame structure form and the tail arm (the knuckle arm connected with the working bucket) in the telescopic arm frame structure form are generally made of insulating materials and are main insulating ends, and in order to meet the protection of low-altitude live bodies on ground operation personnel, the base knuckle arm 2 and the balance arm of the lower arm in the double-folding and upper-telescopic mixed arm frame structure form are generally provided with a section of auxiliary insulating section at a position close to the rotary table 1.

The existing insulating overhead working truck increases the working height by increasing the lengths of the telescopic arm and the lower arm, and the lengths of the lower arm and the telescopic arm are influenced by the length of the whole truck, the trafficability characteristic and the stability of the whole truck and can only be increased in a limited way, so that the working height can only be increased in a limited way. Meanwhile, the structural form of the telescopic arm support is limited by the low pitch hinge point, so that ground obstacles (such as trees, guardrails and the like) cannot be spanned, and the operation flexibility is poor.

Meanwhile, due to the influence of the insulating section arranged on the arm support, the electric elements cannot be supplied with power from the rotary table 1 through the insulating section, and the existing products are not provided with the length sensor, the inclination angle sensor and other electric elements on the upper telescopic arm 13, so that the state of the arm support cannot be monitored completely in real time. And the accident that the whole vehicle is turned over when the insulating operation platform moves to a dangerous operation area cannot be effectively prevented, and the potential safety hazard of the operation vehicle is increased because the arm support part is damaged and collided due to misoperation cannot be effectively prevented.

SUMMERY OF THE UTILITY MODEL

The technical insufficiency to the aforesaid exists, the utility model aims at providing an arm frame device of insulating high altitude construction car, it can realize the upper arm part, the lower arm part is flexible alone, and can monitor the cantilever crane state in real time, and then realize under the same whole car length size, the operation height is higher, and through the real-time supervision cantilever crane state, can prevent that insulating work platform from moving to the regional whole car accident of tumbling that takes place of dangerous work, guarantee the stability of whole car operation, prevent simultaneously because the maloperation takes place the cantilever crane part and appears damaging the collision certainly, thereby reduce the potential safety hazard of operation car.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an arm support device of an insulating high-altitude operation vehicle, which comprises an upper arm part provided with an upper basic knuckle arm and an upper telescopic arm, a lower arm part provided with a basic knuckle arm and a basic telescopic arm and an arm support state monitoring device, and is characterized in that the basic knuckle arm is provided with an auxiliary insulating section, one end of the auxiliary insulating section is hinged with a rotary table, the other end of the basic knuckle arm is connected with the basic telescopic arm in a sliding way and is hinged with a lower arm telescopic cylinder, a lower arm amplitude-changing cylinder is hinged between the rotary table and the basic knuckle arm, one end of the upper basic knuckle arm is hinged with the tail end of the basic telescopic arm, an upper arm amplitude-changing cylinder is hinged between the upper basic knuckle arm and the basic telescopic arm, the other end of the upper basic knuckle arm is connected with the upper arm telescopic cylinder in a sliding way and is hinged with the upper arm telescopic arm, the tail section of the upper, the arm support state monitoring device comprises a lower arm length detection sensor and a lower arm inclination angle detection sensor which are respectively arranged at the front end and the rear end of a lower arm part, an upper arm inclination angle detection sensor and an upper arm length detection sensor which are respectively arranged at the upper base section arm and are close to one end of a base telescopic arm, and a power supply device which is arranged at the front end of a base telescopic arm tail section arm, wherein photoelectric conversion modules are respectively arranged at the front end and the rear end of the lower arm part, and the lower arm length detection sensor, the lower arm inclination angle detection sensor, the upper arm length detection sensor, the power supply device and the photoelectric conversion modules are respectively electrically connected with.

Preferably, the lower arm inclination angle detection sensor is arranged on the root metal section behind the auxiliary insulation section of the basic joint arm and close to the hinge position of the rotary table.

Preferably, the lower arm length detection sensor is arranged on a front metal section of the base telescopic arm close to the hinge position of the upper base knuckle arm; and a pull rope of the lower arm length detection sensor is hinged and fixed with a metal section in front of the auxiliary insulation section of the foundation knuckle arm and close to the foundation telescopic arm.

Preferably, the upper arm inclination angle detection sensor is arranged on a root metal section of the upper base knuckle arm close to the hinged position of the tail knuckle arm of the base telescopic arm.

Preferably, the pull rope of the upper arm length detection sensor is hinged and fixed with the metal section at the root part of the rear part of the upper telescopic arm main insulation section.

Preferably, the power supply device comprises a hydraulic motor, a hydraulic generator, a charging module and a storage battery which are electrically connected together in sequence; the hydraulic motor is connected with a hydraulic pump in the overhead working truck through an insulating pipe.

The beneficial effects of the utility model reside in that:

1) the arm support structure mode that the upper arm part and the lower arm part stretch independently is adopted, so that the working height is effectively increased under the condition that the overall length of the lower arm part and the upper arm part and the length of the whole vehicle are not changed, and the passing performance of the whole vehicle under the condition that the working heights are the same is improved. Meanwhile, the state of the arm support is detected in real time by arranging the inclination angle detection sensor and the length detection sensor on the upper arm part and the lower arm part, and the state is fed back to a control loop of a hydraulic system of the working vehicle, so that the action of the whole vehicle is accurately controlled, and the safety and the comfort of operators on the platform are improved.

2) Adopt hydraulic generator to supply the electric energy for the battery through the module of charging, and then provide lower arm length detection sensor, upper arm inclination detection sensor, upper arm length detection sensor, photoelectric conversion module, and then with lower arm length detection sensor, upper arm inclination detection sensor, the detected signal of upper arm length detection sensor converts the light signal into through photoelectric conversion module, the light signal passes underarm insulating segment through optic fibre again and transmits electrical control mechanism, realize the monitoring to the cantilever crane state, and then realize the accurate control to whole car action, do not receive the restriction of middle insulating segment, the use effect is good, the advantage of stable performance is reliable.

3) The method gets rid of the limitation of the full-shrinkage length of the arm support of the whole vehicle on the operation height and the limitation that the upper arm cannot be provided with electric elements, can effectively realize the increase of the operation height of the whole vehicle under the condition that the full-shrinkage length of the arm support is not changed, can effectively realize the detection of the amplitude variation angle of the lower arm, the length of the lower arm, the amplitude variation angle of the upper arm and the length of the upper arm, can decelerate the limited amplitude variation and expansion region, realizes the accurate control of the action of the whole vehicle, and can be widely popularized to mixed folding type insulating high-.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an arm support device of an insulated overhead working truck according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lower arm according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an upper arm according to an embodiment of the present invention;

fig. 4 is a schematic view of an expanded state of the integral arm support according to an embodiment of the present invention;

fig. 5 is a schematic view of a boom state detection process provided in the embodiment of the present invention.

Description of reference numerals:

1. the system comprises a rotary table, 2, a base knuckle arm, 3, a base telescopic arm, 4, a lower arm telescopic cylinder, 5, a lower arm inclination angle detection sensor, 6, a lower arm length detection sensor, 7, a hydraulic motor, 8, a storage battery, 9, a hydraulic generator, 10, a photoelectric conversion module, 11, a charging module, 12, an upper base knuckle arm, 13, an upper telescopic arm, 14, an upper arm inclination angle detection sensor, 15, an upper arm length detection sensor, 16, a platform, 17, a lower arm amplitude variation cylinder, 18, an upper arm amplitude variation cylinder, 19, an upper arm telescopic cylinder, 20 and optical fibers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, an arm support device of an insulated overhead working truck comprises an upper arm part provided with an upper basic joint arm 12 and an upper telescopic arm 13, a lower arm part provided with a basic joint arm 2 and a basic telescopic arm 3, and an arm support state monitoring device, wherein the basic joint arm 2 is provided with an auxiliary insulating section, one end of the auxiliary insulating section is hinged with a rotary table 1, the other end of the basic joint arm 2 is slidably connected with the basic telescopic arm 3 and is hinged with a lower arm telescopic cylinder 4, a luffing cylinder 17 is hinged between the rotary table 1 and the basic joint arm 2, one end of the upper basic joint arm 12 is hinged with the tail end of the basic telescopic arm 3, an upper arm cylinder 18 is hinged between the upper basic joint arm 12 and the basic telescopic arm 3, the other end of the upper basic joint arm 12 is slidably connected with the upper telescopic arm 13 and is hinged with an upper arm telescopic cylinder 19, the tail section of the upper telescopic arm 13 is a main insulating end and is connected with a platform 16;

the arm support state monitoring device comprises a lower arm length detection sensor 6 and a lower arm inclination angle detection sensor 5 which are respectively arranged at the front end and the rear end of a lower arm part, an upper arm inclination angle detection sensor 14 and an upper arm length detection sensor 15 which are respectively arranged at an upper base joint arm 12 and are close to one end of a base telescopic arm 3, and a power supply device which is arranged at the front end of a tail joint arm of the base telescopic arm 3, wherein photoelectric conversion modules 10 are respectively arranged at the front end and the rear end of the lower arm part, and the lower arm length detection sensor 6, the lower arm inclination angle detection sensor 5, the upper arm inclination angle detection sensor 14, the upper arm length detection sensor 15, the power supply device and the photoelectric conversion modules 10 are respectively electrically connected with an electric.

And the lower arm inclination angle detection sensor 5 is arranged on a root metal section at the rear of the auxiliary insulation section of the basic joint arm 2 and close to the hinged position of the rotary table 1.

The lower arm length detection sensor 6 is arranged on the front metal section of the base telescopic arm 3 close to the hinging position of the upper base knuckle arm 12; and a pull rope of the lower arm length detection sensor 6 is hinged and fixed with a metal section in front of the auxiliary insulation section of the foundation knuckle arm 2 and close to the foundation telescopic arm 3.

The upper arm inclination angle detection sensor 14 is arranged on a root metal section of the upper base knuckle arm 12 close to the hinged position of the tail knuckle arm of the base telescopic arm 3.

And a pull rope of the upper arm length detection sensor is hinged and fixed with a metal section at the root part of the rear part of the main insulation section of the upper telescopic arm 13.

The power supply device comprises a hydraulic motor 7, a hydraulic generator 9, a charging module 11 and a storage battery 8 which are electrically connected together in sequence; the hydraulic motor 7 is connected with a hydraulic pump in the overhead working truck through an insulating pipe.

And the insulating pipe is filled with insulating medium, and the insulating medium is insulating hydraulic oil.

The hydraulic generator 9 is connected with the hydraulic motor 7 in an installing mode and driven by the hydraulic motor 7, and the generated electric energy directly charges the storage battery 8 through the charging module 11.

The battery 8 directly supplies electric power to the respective sensors and the upper photoelectric conversion module 10 through electrical connection.

The detection signals of the lower arm length detection sensor 6, the upper arm inclination angle detection sensor 14 and the upper arm length detection sensor 15 are converted into optical signals by the upper photoelectric conversion module 10, and the optical signals are transmitted to the lower photoelectric conversion module 10 through the lower arm insulating section by the optical fiber 20, so that the optical signals are converted into electrical signals.

The electric control mechanism is arranged on the rotary table 1 and comprises a central processing unit, a photoelectric conversion module 10 at the lower part, a data acquisition feedback loop, an arm support state calculation output loop, a data comparison loop, an action control loop and a controller, wherein the central processing unit is respectively and electrically connected with the lower arm inclination angle detection sensor 5, the controller and the lower photoelectric conversion module 10, and the controller is electrically connected with the vehicle-mounted hydraulic system.

The monitoring of the state of the arm support is realized by data acquisition of the lower arm inclination angle, the lower arm length, the upper arm inclination angle and the upper arm length, the arm support state is compared with set data by a data comparison loop and the comparison result is output to a central processing unit, the central processing unit of the electric control mechanism outputs an action control signal to a controller, a vehicle-mounted hydraulic system receives the instruction of the controller to perform speed reduction buffering on the action of the limit position of the arm support and perform automatic amplitude limiting on the arm support, so that the stability of the whole vehicle is ensured, the phenomenon that the whole vehicle is overturned or the arm support is damaged due to the fact that an insulating work platform exceeds the work amplitude range requirement and the action impact of the limit position.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An arm support device of an insulating high-altitude operation vehicle comprises an upper arm part provided with an upper basic knuckle arm (12) and an upper telescopic arm (13), a lower arm part provided with a basic knuckle arm (2) and a basic telescopic arm (3), and an arm support state monitoring device, and is characterized in that an auxiliary insulating section is arranged on the basic knuckle arm (2), one end of the auxiliary insulating section is hinged with a rotary table (1), the other end of the basic knuckle arm (2) is connected with the basic telescopic arm (3) in a sliding manner and is hinged with a lower arm telescopic cylinder (4), a lower arm amplitude-changing cylinder (17) is hinged between the rotary table (1) and the basic knuckle arm (2), one end of the upper basic knuckle arm (12) is hinged with the tail end of the basic telescopic arm (3), an upper arm amplitude-changing cylinder (18) is hinged between the upper basic knuckle arm (12) and the basic telescopic arm (3), the other end of the upper basic knuckle arm (12) is connected with the upper telescopic arm (13) in a sliding manner and is hinged with an upper arm telescopic, the tail section of the upper telescopic arm (13) is a main insulating end and is connected with a platform (16); the arm support state monitoring device comprises a lower arm length detection sensor (6) and a lower arm inclination angle detection sensor (5) which are respectively arranged at the front end and the rear end of a lower arm part, an upper arm inclination angle detection sensor (14) and an upper arm length detection sensor (15) which are respectively arranged on an upper base arm (12) and are close to one end of a base telescopic arm (3), and a power supply device which is arranged at the front end of a base telescopic arm (3) and is arranged at the rear end of the lower arm part, wherein photoelectric conversion modules (10) are respectively arranged at the front end and the rear end of the lower arm part, the lower arm length detection sensor (6), the lower arm inclination angle detection sensor (5), the upper arm inclination angle detection sensor (14), the upper arm length detection sensor (15), the power supply device and the photoelectric conversion modules (10) are.

2. The arm support device of the insulated overhead working truck as claimed in claim 1, wherein the lower arm inclination angle detection sensor (5) is arranged on the root metal section behind the auxiliary insulation section of the basic knuckle arm (2) and close to the hinged position of the turntable (1), and the basic telescopic arm (3) is arranged in at least one piece and arranged outside the basic knuckle arm (2).

3. The arm support device of an insulated overhead working truck as claimed in claim 1, wherein the lower arm length detection sensor (6) is provided on a front metal section of the base telescopic arm (3) near the hinge position of the upper base knuckle arm (12); and a pull rope of the lower arm length detection sensor (6) is hinged and fixed with a metal section, close to the basic telescopic arm (3), in front of the auxiliary insulation section of the basic knuckle arm (2).

4. The boom device of an insulated overhead working truck as claimed in claim 1, wherein the upper arm inclination detection sensor (14) is provided on the root metal section of the upper base knuckle (12) near the articulation position of the tail section of the base telescopic arm (3).

5. The boom device of the insulated overhead working truck as claimed in claim 1, wherein the pull rope of the upper arm length detection sensor (15) is hinged and fixed with the metal section at the root behind the main insulating section of the upper telescopic arm (13).

6. The arm support device of the insulated overhead working truck as claimed in claim 1, wherein the power supply device comprises a hydraulic motor (7), a hydraulic generator (9), a charging module (11) and a storage battery (8) which are electrically connected together in sequence; the hydraulic motor (7) is connected with a hydraulic pump in the overhead working truck through an insulating pipe.