阅读说明：本技术 一种高空牵引车 (High-altitude tractor ) 是由 徐江涛 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种高空牵引车,包括车体和第一力臂,所述车体的底部安装有车轮,所述车体的顶部左侧固定连接有第一力臂,所述第一力臂的外端连接有驱动机构；所述驱动机构包括第一铰链、第二力臂、第二铰链、第三力臂、安全栏、第一液压缸、第三铰链、第四铰链、第二液压缸、第五铰链和第六铰链,所述第二力臂的一端通过第一铰链和第一力臂的外端铰接。本发明通过第三力臂和限位板连接,限位板插入与其相适配的第二限位壳,第二限位壳和第一限位壳之间通过弹簧进行连接,从而使得在使用的过程中,具备一定的缓冲的功能,从而能够缓解连接处受到的应力,使得使用寿命有效的延长。(The invention discloses a high-altitude tractor which comprises a tractor body and a first force arm, wherein wheels are installed at the bottom of the tractor body, the left side of the top of the tractor body is fixedly connected with the first force arm, and the outer end of the first force arm is connected with a driving mechanism; the driving mechanism comprises a first hinge, a second force arm, a second hinge, a third force arm, a safety fence, a first hydraulic cylinder, a third hinge, a fourth hinge, a second hydraulic cylinder, a fifth hinge and a sixth hinge, and one end of the second force arm is hinged to the outer end of the first force arm through the first hinge. The invention is connected with the limiting plate through the third force arm, the limiting plate is inserted into the second limiting shell matched with the third force arm, and the second limiting shell is connected with the first limiting shell through the spring, so that a certain buffering function is realized in the use process, the stress on the connection part can be relieved, and the service life is effectively prolonged.)

1. The utility model provides a high altitude tractor, includes automobile body (1) and first arm of force (2), its characterized in that: wheels (14) are mounted at the bottom of the vehicle body (1), a first force arm (2) is fixedly connected to the left side of the top of the vehicle body (1), and a driving mechanism is connected to the outer end of the first force arm (2);

the driving mechanism comprises a first hinge (3), a second force arm (4), a second hinge (5), a third force arm (6), a safety fence (7), a first hydraulic cylinder (8), a third hinge (9), a fourth hinge (10), a second hydraulic cylinder (11), a fifth hinge (12) and a sixth hinge (13), one end of the second force arm (4) is hinged to the outer end of the first force arm (2) through the first hinge (3), the other end of the second force arm (4) is hinged to one end of the third force arm (5) through the second hinge (5), the other end of the third force arm (6) is connected with the safety fence (7), the right side of the top of the vehicle body (1) is hinged to one end of the first hydraulic cylinder (8) through the third hinge (9), the other end of the first hydraulic cylinder (8) is hinged to the outer wall of the lower side of the second force arm (4) through the fourth hinge (10), the outer wall of the upper side of the second force arm (4) is hinged to one end of a second hydraulic cylinder (11) through a fifth hinge (12), and the other end of the second hydraulic cylinder (11) is hinged to the outer wall of the lower side of the third force arm (6) through a sixth hinge (13).

2. The high altitude tractor according to claim 1, characterized in that: the other end fixed connection limiting plate (18) of third arm of force (6), the outer wall cover of limiting plate (18) is equipped with first spacing shell (16), the outer wall cover of first spacing shell (16) is equipped with spacing shell (17) of second, connect through spring (15) between first spacing shell (16) and the spacing shell (17) of second, the spacing shell (17) fixed mounting of second is in the outer wall of safety fence (7).

3. The high altitude tractor according to claim 1, characterized in that: gasbag (19) are all installed to the four sides inner wall of safety fence (7), gas generator (20) are installed to the outer wall of safety fence (7), handle (21) are installed to the inner chamber bottom of safety fence (7), the surface mounting of handle (21) has switch (22).

4. The high altitude tractor according to claim 1, characterized in that: standing grooves (23) have all been seted up to the four sides lateral wall of automobile body (1), the inner chamber both sides wall of standing groove (23) is all articulated through the one end of seventh hinge (24) and telescopic link (25), the other end fixedly connected with fixed block (26) of telescopic link (25).

5. The high altitude tractor according to claim 4, characterized in that: the top fixed mounting of fixed block (26) has third pneumatic cylinder (27), the piston rod of third pneumatic cylinder (27) runs through fixed block (27) and is connected with extension board (28).

6. The high altitude tractor according to claim 4, characterized in that: the telescopic rod (25) comprises a sleeve (29), an inserting rod (30) and a limiting block (31), the inserting rod (30) is inserted into an inner cavity of the sleeve (29) and connected with the limiting block (31), the tail end of the sleeve (29) is hinged to the inner wall of the placing groove (23) through a seventh hinge (24), and the outer end of the inserting rod (30) is fixedly connected with the fixing block (26).

7. The high altitude tractor according to claim 3, characterized in that: the bottom of the support plate (28) is provided with an anti-skid rubber pad.

8. The aerial tractor of claim 5, wherein: the gas generator (20) is communicated with the air bag (19) through a conduit, and the gas generator (20) is connected with the switch (22) through a lead.

Technical Field

The invention relates to the technical field of aloft work, in particular to an aloft tractor.

Background

In order to facilitate the precaution work in the operation process and effectively prevent accidents of falling of people and objects from high places, according to the characteristics of the building industry, in the construction of building installation engineering, the construction operations of various forms of openings and adjacent edge properties within the structural range of buildings and structures, suspension and climbing operations, operation platform and three-dimensional crossing operations, and the construction operations of various types of holes, pits, ditches, grooves and other engineering outside the structural body and beside a channel are treated as high place operations and protected as long as the conditions are met.

When the existing workers need to work high above the ground, the workers are mostly pulled to high-altitude working positions through high-altitude tractors, and the existing high-altitude tractors are mostly composed of force arms and safety fences.

Currently, existing high-altitude tractors have some disadvantages, for example; the current arm of force is connected for rigid connection with the safety fence, under the strong wind weather condition, the safety fence receives the wind area big to can with the rocking that produces before the arm of force and increase, junction stress is great, and life is short, and when high altitude construction car was for supporting, the increase of support area promoted the steadiness, set up the extension landing leg at automobile body outer wall, it is longer to extend the landing leg, occupation space when not using, the safety fence does not possess the function to human protection under the condition of occurence of failure simultaneously.

Disclosure of Invention

The invention aims to provide a high-altitude tractor, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-altitude tractor comprises a tractor body and a first force arm, wherein wheels are mounted at the bottom of the tractor body, the left side of the top of the tractor body is fixedly connected with the first force arm, and the outer end of the first force arm is connected with a driving mechanism;

actuating mechanism includes first hinge, the second arm of force, second hinge, the third arm of force, safety fence, first pneumatic cylinder, third hinge, fourth hinge, second pneumatic cylinder, fifth hinge and sixth hinge, the outer end that the one end of the second arm of force was passed through first hinge and first arm of force is articulated, the other end of the second arm of force is articulated through the one end of second hinge and the third arm of force, the other end and the safety fence of the third arm of force are connected, the top right side of automobile body is articulated through the one end of third hinge and first pneumatic cylinder, the other end of first pneumatic cylinder is articulated through the downside outer wall of fourth hinge and second arm of force, the upside outer wall of the second arm of force is articulated through the one end of fifth hinge and second pneumatic cylinder, the other end of second pneumatic cylinder is articulated through the downside outer wall of sixth hinge and the third arm of force.

As a preferred embodiment of the present invention, the other end of the third force arm is fixedly connected to a limiting plate, a first limiting shell is sleeved on an outer wall of the limiting plate, a second limiting shell is sleeved on an outer wall of the first limiting shell, the first limiting shell and the second limiting shell are connected by a spring, and the second limiting shell is fixedly mounted on an outer wall of the safety fence.

In a preferred embodiment of the present invention, the safety fence has air bags mounted on all four inner walls, the gas generator is mounted on the outer wall of the safety fence, the handle is mounted at the bottom of the inner cavity of the safety fence, and the switch is mounted on the surface of the handle.

As a preferred embodiment of the present invention, the vehicle body is provided with placing grooves on four side walls, two side walls of an inner cavity of each placing groove are hinged to one end of a telescopic rod through a seventh hinge, and the other end of the telescopic rod is fixedly connected to a fixing block.

As a preferred embodiment of the present invention, a third hydraulic cylinder is fixedly mounted on the top of the fixed block, and a piston rod of the third hydraulic cylinder penetrates through the fixed block and is connected to a support plate.

As a preferred embodiment of the invention, the telescopic rod comprises a sleeve, an inserting rod and a limiting block, the inserting rod is inserted into the inner cavity of the sleeve and connected with the limiting block, the tail end of the sleeve is hinged with the inner wall of the placing groove through a seventh hinge, and the outer end of the inserting rod is fixedly connected with the fixing block. .

As a preferred embodiment of the invention, the bottom of the support plate is provided with an anti-skid rubber pad.

In a preferred embodiment of the present invention, the gas generator is communicated with the air bag through a conduit, and the gas generator is connected with the switch through a lead.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention is connected with the limiting plate through the third force arm, the limiting plate is inserted into the second limiting shell matched with the third force arm, and the second limiting shell is connected with the first limiting shell through the spring, so that a certain buffering function is realized in the use process, the stress on the connection part can be relieved, and the service life is effectively prolonged.

2. According to the invention, the air bag is arranged on the inner wall of the safety fence, and the starting switch is pressed down by the gas generator when the device has an accident, so that gas generated by the gas generator instantly rushes into the air bag to wrap a human body, and the impact force on the human body is reduced when the safety fence falls, thereby achieving the function of protecting the human body.

3. The telescopic rod can be retracted into the placing groove of the side wall of the vehicle body, so that the supporting area can be increased, and meanwhile, the telescopic rod can be retracted into the placing groove when not used, the size is effectively reduced, and the space is saved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a high-altitude tractor according to the present invention;

FIG. 2 is a schematic view of a connection structure of a safety fence and a third force arm of the high-altitude tractor according to the present invention;

FIG. 3 is a schematic view of the internal structure of a safety fence of a high-altitude towing vehicle according to the present invention;

FIG. 4 is a schematic sectional view of the vehicle body of the high-altitude towing vehicle of the present invention;

FIG. 5 is a schematic structural view of a fixing block of the high-altitude tractor according to the invention;

fig. 6 is a schematic view of a telescopic rod structure of the high-altitude tractor.

In the figure: 1. a vehicle body; 2. a first force arm; 3. a first hinge; 4. a second moment arm; 5. a second hinge; 6. a third moment arm; 7. a safety fence; 8. a first hydraulic cylinder; 9. a third hinge; 10. the fourth hinge (11, the second hydraulic cylinder; 12, the fifth hinge; 13, the sixth hinge; 14, the wheel; 15, the spring; 16, the first limit shell; 17, the second limit shell; 18, the limit plate; 19, the airbag; 20, the gas generator; 21, the handle; 22, the switch; 23, the placement groove; 24, the seventh hinge; 25, the telescopic rod; 26, the fixed block; 27, the third hydraulic cylinder; 28, the support plate; 29, the sleeve; 30, the inserted link; 31, and the limit block).

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a high-altitude tractor comprises a tractor body 1 and a first force arm 2, wherein wheels 14 are mounted at the bottom of the tractor body 1, the first force arm 2 is fixedly connected to the left side of the top of the tractor body 1, and the outer end of the first force arm 2 is connected with a driving mechanism;

the driving mechanism comprises a first hinge 3, a second force arm 4, a second hinge 5, a third force arm 6, a safety fence 7, a first hydraulic cylinder 8, a third hinge 9, a fourth hinge 10, a second hydraulic cylinder 11, a fifth hinge 12 and a sixth hinge 13, the one end of second force arm 4 is articulated through the outer end of first hinge 3 and the first arm of force 2, the other end of second force arm 4 is articulated through the one end of second hinge 5 and the third arm of force 5, the other end and the safety fence 7 of the third arm of force 6 are connected, the top right side of automobile body 1 is articulated through the one end of third hinge 9 and first pneumatic cylinder 8, the other end of first pneumatic cylinder 8 is articulated through the downside outer wall of fourth hinge 10 and second force arm 4, the upside outer wall of second force arm 4 is articulated through the one end of fifth hinge 12 and second pneumatic cylinder 11, the other end of second pneumatic cylinder 11 is articulated through the downside outer wall of sixth hinge 13 and third arm of force 6.

Referring to fig. 1 in this embodiment, the first hydraulic cylinder 8 and the second hydraulic cylinder 11 can drive the second force arm 4 and the third force arm 6 to rise, so as to drive the safety fence 7 to rise to a corresponding height, and a worker can stand in the safety fence 7 to perform high-altitude operation.

The other end of the third force arm 6 is fixedly connected with a limiting plate 18, the outer wall of the limiting plate 18 is sleeved with a first limiting shell 16, the outer wall of the first limiting shell 16 is sleeved with a second limiting shell 17, the first limiting shell 16 and the second limiting shell 17 are connected through a spring 15, and the second limiting shell 17 is fixedly installed on the outer wall of the safety fence 7.

In this embodiment, referring to fig. 2, the third force arm 6 is connected to the limiting plate 18, the limiting plate 18 is inserted into the second limiting shell 16 matched with the third force arm, and the second limiting shell 16 is connected to the first limiting shell 17 through the spring 15, so that a certain buffering function is provided during use, stress applied to a joint can be relieved, and the service life can be effectively prolonged.

Wherein, the gasbag 19 is all installed to the four sides inner wall of safety fence 7, and gas generator 20 is installed to the outer wall of safety fence 7, and the handle 21 is installed to the inner chamber bottom of safety fence 7, and the surface mounting of handle 21 has switch 22.

Referring to fig. 3, in the embodiment, the gas generator 20 instantly generates gas when an accident occurs, so that the gas enters the airbag 19, and the airbag 19 protects workers.

Wherein, standing groove 23 has all been seted up to the four sides lateral wall of automobile body 1, and the inner chamber both sides wall of standing groove 23 is all articulated through the one end of seventh hinge 24 and telescopic link 25, and the other end fixedly connected with fixed block 26 of telescopic link 25.

In this embodiment, referring to fig. 4, the retractable rod 25 is retractable in the placing groove 23 on the side wall of the vehicle body 1, so that the retractable rod 25 can be extended, the supporting area can be increased, and the retractable rod can be retracted into the placing groove 23 when not in use, so that the size is effectively reduced, and the space is saved.

Wherein, the top of fixed block 26 is fixedly mounted with third pneumatic cylinder 27, and the piston rod of third pneumatic cylinder 27 runs through fixed block 27 and is connected with extension board 28.

In the embodiment, referring to fig. 5, the third hydraulic cylinder 27 drives the support plate 28 to support, so that the whole device is stably supported.

The telescopic rod 25 comprises a sleeve 29, an inserting rod 30 and a limiting block 31, the inserting rod 30 is inserted into an inner cavity of the sleeve 29 and connected with the limiting block 31, the tail end of the sleeve 29 is hinged to the inner wall of the placing groove 23 through a seventh hinge 24, and the outer end of the inserting rod 30 is fixedly connected with the fixing block 26.

In the embodiment, referring to fig. 6, the insertion rod 30 is inserted into the sleeve 29, so that the telescopic rod 25 can be extended and retracted.

Wherein the bottom of the support plate 28 is fitted with an anti-skid rubber pad.

In this embodiment, please refer to fig. 5, the anti-slip rubber pad can prevent the occurrence of the slip phenomenon during the supporting process.

Wherein, the gas generator 20 is communicated with the air bag 19 through a conduit, and the gas generator 20 is connected with the switch 22 through a lead.

When the high-altitude tractor is used, firstly, a worker stands in an inner cavity of the safety fence 7, then the telescopic rod 25 in the placing grooves 23 on the side walls of four sides of the tractor body 1 is rotated, then the inserted rod 30 is stretched to extend to the farthest end, then the third hydraulic cylinder 27 is started to drive the support plate 28 to support stably, then the first hydraulic cylinder 8 and the second hydraulic cylinder 11 are started to drive the safety fence 7 to rise to a high place to carry out high-altitude operation, in the operation process, under the condition of strong wind weather, the wind area of the safety fence 7 is large, so that a certain stress can be generated at the joint of the safety fence 7 and the third force arm, the second limiting shell 16 and the first limiting shell 17 are connected through the spring 15, so that the stress caused by strong wind can be relieved, the joint is protected, the phenomenon that the rigid connection is easy to break for a long time is avoided, and meanwhile, the limiting plate 18 and the second limiting shell 16 are connected in an inserting mode, utilize the downward trend of safety fence 7 self gravity to make to be connected firmly between limiting plate 18 and the spacing casing 16 of second, then in high altitude construction, there is the condition of occurence of failure, when occurence of failure, cracked condition appears in the arm of force, safety fence 7 descends downwards, operating personnel can squat at safety fence 7 inner chamber this moment, handheld handle 21 makes the health stable, then press switch 22, make start gas generator 20 produce gas in the twinkling of an eye, with gaseous leading-in gasbag 19 in, make gasbag 19 swell, protect the human body, thereby can realize the protection staff of maximize, it is minimum to fall the injury, when not using, through withdrawing the arm of force, then withdraw telescopic link 25, receive in standing groove 23, make the effectual reduction of volume, save space.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.