CN212921475U

CN212921475U - Novel landing leg of semitrailer

Info

Publication number: CN212921475U
Application number: CN202021772557.4U
Authority: CN
Inventors: 包士庆; 许占刚
Original assignee: Guanxian Guanchi Vehicle Co ltd
Current assignee: Guanxian Guanchi Vehicle Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-09
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a semitrailer technical field just discloses a novel landing leg of semitrailer, which comprises a base, the top swing joint on chassis has the carriage, the bottom fixedly connected with protection casing on chassis, the bottom fixedly connected with fixed block on chassis, the bottom fixedly connected with electric hydraulic rod of movable block, electric hydraulic rod's positive fixedly connected with chute body, the bottom fixedly connected with carousel on chassis, the bottom swing joint of carousel has the pillar, the outer wall fixedly connected with protection body of pillar, the inside swing joint of pillar has the pivot, the inside fixedly connected with third electric putter of protection body, the third electric putter is close to the one end fixedly connected with friction body of pivot, the outer wall fixedly connected with wheel of pivot. This novel landing leg of semitrailer possesses the road surface support that conveniently adapts to special unevenness, makes things convenient for the landing leg to shrink, conveniently locks advantages such as semi-trailer.

Description

Novel landing leg of semitrailer

Technical Field

The utility model relates to a semitrailer technical field specifically is a novel landing leg of semitrailer.

Background

The semitrailer is a trailer with an axle arranged behind the gravity center of the vehicle and a coupling device capable of transmitting horizontal and vertical forces to a tractor, and is generally a three-axle semitrailer, which is divided into eleven-meter-bin-column semitrailer, thirteen-meter-bin column semitrailer, low-bed semitrailer and the like, and is a heavy transport vehicle connected with the head of the semitrailer through a towing pin.

Present semitrailer wide application is in the transportation trade, however the novel landing leg of semitrailer itself still exists some not enoughly, and general semitrailer landing leg is fixed in the bottom on chassis, and the inconvenient road surface that adapts to special unevenness supports, and inconvenient shrink has increased the chassis of semitrailer, has hindered the driving, and inconvenient semi-trailer locks, so has proposed the novel landing leg of semitrailer and has solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a novel landing leg of semitrailer possesses the road surface support that conveniently adapts to special unevenness, makes things convenient for the landing leg to shrink, and convenient semitrailer locks advantages such as, has solved the road surface support of inconvenient special unevenness of adaptation, and inconvenient shrink has increased the chassis of semitrailer, has hindered the driving, and inconvenient semitrailer carries out the problem of locking.

(II) technical scheme

For the road surface that realizes the above-mentioned special unevenness of convenient adaptation supports, makes things convenient for the landing leg to shrink, conveniently carries out the purpose of locking to semi-trailer, the utility model provides a following technical scheme: a novel support leg of a semitrailer comprises a chassis, wherein the top of the chassis is movably connected with a carriage, the bottom of the chassis is fixedly connected with a protective cover, the bottom of the chassis is fixedly connected with a fixed block, the bottom of the fixed block is movably connected with a movable block, the bottom of the movable block is fixedly connected with an electric hydraulic push rod, the front of the electric hydraulic push rod is fixedly connected with a chute body, the inside of the chute body is movably connected with a slide rod, the bottom of the electric hydraulic push rod is fixedly connected with a support, the outer wall of the slide rod is movably connected with a first electric push rod, the top of the first electric push rod is fixedly connected with a slide rail, the inner wall of the slide rail is movably connected with a second electric push rod, the outer wall of the first electric push rod is movably connected with a fixed body, the bottom, the outer wall fixedly connected with protection body of pillar, the inside swing joint of pillar has the pivot, the inside fixedly connected with third electric putter of protection body, the one end fixedly connected with friction body that third electric putter is close to the pivot, the outer wall fixedly connected with wheel of pivot.

Preferably, the bottom of the support is fixedly connected with a non-slip mat, the non-slip mat is a rubber non-slip mat with teeth, and the number of the first electric push rods and the number of the slide rails are two.

Preferably, the number of the fixed body and the second electric push rod is two, and one end of the second electric push rod, which is far away from the slide rail, is movably connected with a chassis.

Preferably, the fixed body is fixedly connected with the chassis, the number of the turntables and the number of the pillars are four, and the number of the rotating shafts and the number of the wheels are four.

Preferably, the number of the protection bodies is two, the number of the third electric push rod and the number of the friction bodies are six, and the friction bodies are circular arc friction bodies.

Preferably, the outer wall of the rotating shaft is fixedly connected with two friction rings, and the front face of the chassis is fixedly connected with a connecting body.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel landing leg of semitrailer possesses following beneficial effect:

1. the novel support leg of the semitrailer is contracted and expanded through a second electric push rod on the chassis and a first electric push rod on a fixed body at the bottom of the chassis, so that the second electric push rod drives the first electric push rod to rotate around the fixed body, so that the second electric push rod slides on the slide rail on the first electric push rod, meanwhile, the second electric push rod rotates around the chassis, so that the second electric push rod supports the first electric push rod and rotates, the first electric push rod drives the slide rod to slide and rotate on the sliding groove body on the electric hydraulic push rod, thereby driving the movable block on the electric hydraulic push rod to rotate around the fixed block, leading the electric hydraulic push rod to extend out or contract on the protective cover, then leading the electric hydraulic push rod to contract and relax, the chassis is supported, so that the chassis is convenient to adapt to pavement support with special unevenness, and the supporting legs are convenient to shrink.

2. This novel landing leg of semitrailer rotates on the carousel through the pillar on the chassis, rotates on the pillar by pivot and wheel on the pillar to and the protective body on the pillar protects epaxial friction ring, drives the friction body by third electric putter and compresses tightly the friction ring, has made things convenient for semi-trailer to lock, thereby has made things convenient for user's use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the electro-hydraulic push rod of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a shown in fig. 1 according to the present invention.

In the figure: the device comprises a chassis 1, a carriage 2, a protective cover 3, a fixed block 4, a movable block 5, an electric hydraulic push rod 6, a chute body 7, a slide rod 8, a support 9, a first electric push rod 10, a slide rail 11, a second electric push rod 12, a fixed body 13, a rotary table 14, a support 15, a rotating shaft 16, a protective body 17, a third electric push rod 18, a friction body 19 and wheels 20.

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.

Referring to fig. 1-3, a novel support leg for a semitrailer comprises a chassis 1, a carriage 2 movably connected to the top of the chassis 1, a protective cover 3 fixedly connected to the bottom of the chassis 1, a fixed block 4 fixedly connected to the bottom of the chassis 1, a movable block 5 movably connected to the bottom of the fixed block 4, an electric hydraulic push rod 6 fixedly connected to the bottom of the movable block 5, a chute body 7 fixedly connected to the front of the electric hydraulic push rod 6, a slide bar 8 movably connected to the inside of the chute body 7, a support 9 fixedly connected to the bottom of the electric hydraulic push rod 6, a non-slip mat fixedly connected to the bottom of the support 9, the non-slip mat being a rubber toothed non-slip mat, two electric push rods 10 and two slide rails 11, a first electric push rod 10 movably connected to the outer wall of the slide bar 8, a slide rail 11 fixedly connected to the top of the first electric push rod 10, the outer wall of the first electric push rod 10 is movably connected with a fixed body 13, the fixed body 13 is fixedly connected with the chassis 1, the number of the rotary table 14 and the number of the support column 15 are four, the number of the rotary shaft 16 and the number of the wheels 20 are four, the number of the fixed body 13 is two, one end of the second electric push rod 12 far away from the slide rail 11 is movably connected with the chassis 1, the bottom of the chassis 1 is fixedly connected with the rotary table 14, the bottom of the rotary table 14 is movably connected with the support column 15, the outer wall of the support column 15 is fixedly connected with a protective body 17, the number of the protective body 17 is two, the number of the third electric push rod 18 and the friction body 19 is six, the friction body 19 is an arc friction body, the inside of the support column 15 is movably connected with the rotary shaft 16, the outer wall of the rotary shaft 16 is fixedly connected with friction rings, the, one end of the third electric push rod 18 close to the rotating shaft 16 is fixedly connected with a friction body 19, and the outer wall of the rotating shaft 16 is fixedly connected with a wheel 20.

To sum up, the novel support leg of the semitrailer is contracted and expanded by the second electric push rod 12 on the chassis 1 and the first electric push rod 10 on the fixed body 13 at the bottom of the chassis 1, so that the second electric push rod 12 drives the first electric push rod 10 to rotate around the fixed body 13, the second electric push rod 12 slides on the slide rail 11 on the first electric push rod 10, meanwhile, the second electric push rod 12 rotates around the chassis 1, the second electric push rod 12 supports the first electric push rod 10 and rotates the first electric push rod 10, the first electric push rod 10 drives the slide rod 8 to slide and rotate on the slide groove body 7 on the electric hydraulic push rod 6, the movable block 5 on the electric hydraulic push rod 6 is driven to rotate around the fixed block 4, the electric hydraulic push rod 6 extends or contracts on the protective cover 3, and then the electric hydraulic push rod 6 contracts and expands, the chassis 1 is supported, so that the supporting of the road surface adapting to special unevenness is facilitated, and the supporting legs are convenient to shrink.

And, through the pillar 15 on the chassis 1 on the carousel 14 rotates, rotate on the pillar 15 by pivot 16 and wheel 20 on the pillar 15 to and the protection body 17 on the pillar 15 protects the friction ring on the pivot 16, drive friction body 19 by third electric putter 18 and compress tightly the friction ring, made things convenient for half trailer to lock to user's use.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel landing leg of semitrailer, includes chassis (1), its characterized in that: the top swing joint of chassis (1) has carriage (2), the bottom fixedly connected with protection casing (3) on chassis (1), the bottom fixedly connected with fixed block (4) on chassis (1), the bottom swing joint of fixed block (4) has movable block (5), the bottom fixedly connected with electronic hydraulic rod (6) of movable block (5), the positive fixedly connected with spout body (7) of electronic hydraulic rod (6), the inside swing joint of spout body (7) has slide bar (8), the bottom fixedly connected with support (9) of electronic hydraulic rod (6), the outer wall swing joint of slide bar (8) has first electric putter (10), the top fixedly connected with slide rail (11) of first electric putter (10), the inner wall swing joint of slide rail (11) has second electric putter (12), the outer wall swing joint of first electric putter (10) has the fixed body (13), the bottom fixedly connected with carousel (14) on chassis (1), the bottom swing joint of carousel (14) has pillar (15), the outer wall fixedly connected with protection body (17) of pillar (15), the inside swing joint of pillar (15) has pivot (16), the inside fixedly connected with third electric putter (18) of protection body (17), third electric putter (18) are close to one end fixedly connected with friction body (19) of pivot (16), the outer wall fixedly connected with wheel (20) of pivot (16).

2. The novel semitrailer leg as claimed in claim 1, wherein: the bottom of the support (9) is fixedly connected with an anti-slip pad, the anti-slip pad is a rubber toothed anti-slip pad, and the number of the first electric push rods (10) and the number of the slide rails (11) are two.

3. The novel semitrailer leg as claimed in claim 1, wherein: the quantity of the fixed body (13) and the second electric push rod (12) is two, and one end of the second electric push rod (12) far away from the sliding rail (11) is movably connected with the chassis (1).

4. The novel semitrailer leg as claimed in claim 1, wherein: the fixed body (13) is fixedly connected with the chassis (1), the number of the turntables (14) and the number of the pillars (15) are four, and the number of the rotating shafts (16) and the number of the wheels (20) are four.

5. The novel semitrailer leg as claimed in claim 1, wherein: the number of the protection bodies (17) is two, the number of the third electric push rods (18) and the number of the friction bodies (19) are six, and the friction bodies (19) are circular arc friction bodies.

6. The novel semitrailer leg as claimed in claim 1, wherein: the outer wall of the rotating shaft (16) is fixedly connected with two friction rings, and the front face of the chassis (1) is fixedly connected with a connecting body.