CN214985278U

CN214985278U - Auxiliary supporting leg for trailer frame

Info

Publication number: CN214985278U
Application number: CN202121002332.5U
Authority: CN
Inventors: 王玉林; 李文成; 梁成文
Original assignee: Rongcheng Hongxing Metal Products Processing Co ltd
Current assignee: Rongcheng Hongxing Metal Products Processing Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-03
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a trailer is auxiliary leg for frame, including the crossbeam, both ends are run through and the welding has the cantilever about the crossbeam, cantilever upper end fixedly connected with carriage, and crossbeam middle part threaded connection has the screw, and screw threaded connection has the tripod, and both ends run through cantilever fixedly connected with support column about the crossbeam, and the inside lift adjustment mechanism that is equipped with of support column, support column lower extreme sliding connection have the supporting shoe, are equipped with two stop gear between supporting shoe and the support column, supporting shoe lower extreme fixedly connected with supporting legs. The utility model discloses a set up crossbeam, tripod, support column, gear, rack, spring, rotatory handle isotructure for supplementary landing leg can be fixed well on the trailer frame, and the operation is very simple in the use moreover, and the structure is very stable, has solved the problem that supplementary landing leg need carry alone and operate complicacy when using, has reduced people's working strength.

Description

Auxiliary supporting leg for trailer frame

Technical Field

The utility model belongs to the technical field of the auxiliary stand, especially, relate to a trailer is auxiliary leg for frame.

Background

The support refers to a framework for supporting objects, is a term of the building industry originally, and particularly refers to a temporary support erected during building of a building, and the support can be removed along with building of the building.

The auxiliary support leg of the trailer is an important component of a trailer frame, is mainly used for preventing a lifting part from suddenly dropping to cause safety accidents, and most of the existing trailers need to be detached and carried along with the trailer when the auxiliary support leg is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the operation is complicated and leads to people's working strength increase when carrying alone and using because of auxiliary leg need be dismantled among the prior art, and the auxiliary leg for trailer frame that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a trailer frame is with supplementary landing leg, includes the crossbeam, both ends run through and the welding has the cantilever about the crossbeam, cantilever upper end fixedly connected with carriage, crossbeam middle part threaded connection has the screw, screw threaded connection has the tripod, both ends run through cantilever fixedly connected with support column about the crossbeam, the inside lift adjustment mechanism that is equipped with of support column, support column lower extreme sliding connection has the supporting shoe, be equipped with two stop gear between supporting shoe and the support column, supporting shoe lower extreme fixedly connected with supporting legs.

Preferably, the tripod comprises side lever and horizontal pole, the side lever is equipped with two and sets up about crossbeam central axis symmetry, the one end and the horizontal pole fixed connection that the carriage was kept away from to the side lever, the one end that the side lever is close to the carriage passes through screw and crossbeam fixed connection, both ends and support column welding about the horizontal pole.

Preferably, the lifting adjusting mechanism is composed of a first cavity, a second cavity, a third cavity, a first through groove, a rack, a gear, a connecting rod and a rotating handle, the first cavity, the second cavity, the third cavity and the first through groove are communicated, the first cavity and the second cavity are arranged on the supporting column, the third cavity and the first through groove are arranged on the supporting block, the upper end of the rack is fixedly connected with the upper inner wall of the first cavity, the lower end of the rack is slidably connected with the inner wall of the first through groove, the gear is meshed with the rack, the connecting rod penetrates through the third cavity and is fixedly connected with the gear, the connecting rod is rotatably connected with the inner wall of the third cavity, and the rotating handle penetrates through the second cavity from the outside and is fixedly connected with the left end of the connecting rod.

Preferably, the first cavity is arranged in the support column far away from the cantilever end, the second cavity is arranged on the left side of the support column, the third cavity is arranged in the support block, the direction of the third cavity is consistent with the penetrating direction of the connecting rod, and the first through groove is arranged in the support block, and the direction of the first through groove is consistent with the penetrating direction of the rack.

Preferably, the limiting mechanism comprises a clamping groove, a clamping block, a fixing block, a spring, a sliding rod, a second through groove and a push-pull handle, the clamping block is clamped with the clamping groove, one end, far away from the clamping groove, of the clamping block is fixedly connected with the left end of the fixing block, the right end of the fixing block is fixedly connected with the left end of the sliding rod, the right end of the sliding rod penetrates through the second through groove and is fixedly connected with the push-pull handle, the left end of the spring is fixedly connected with the left end of the fixing block, the right end of the spring is fixedly connected with the inner wall of the first cavity, the clamping groove is formed in the right end of the connecting rod, and the second through groove is formed in the right side of the supporting column.

Preferably, the cantilever and the support column are symmetrically arranged about the central axis of the cross beam, and the lower ends of the support legs are trapezoidal and made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the cross beam can be fixed on the cantilever by arranging the cross beam and the triangular supports, and the two support columns can be connected into a whole by connecting the triangular supports, the cross beam can be supported more stably under the triangular supports, and the purpose of fixing the auxiliary support legs on the trailer can be realized;

2. by arranging the lifting adjusting mechanism, when the auxiliary supporting leg is used, the gear can be driven to move downwards by rotating the handle until the supporting leg is contacted with the ground, so that the auxiliary supporting leg is more convenient to use by people, and the working strength of the people is reduced;

3. through setting up stop gear, after the supporting legs contact ground, go into the draw-in groove with the fixture block card, can fix the relative position between support column and the supporting shoe well when using auxiliary leg, prevent to rotate because the carriage pressure leads to the gear to take place too big, play certain guard action to the trailer when lifting the carriage, when being not suitable for auxiliary leg, can shift up the supporting shoe, then utilize stop gear to carry on spacingly to the supporting shoe, prevent that the supporting shoe from the whereabouts of going by oneself under the action of gravity.

Drawings

Fig. 1 is a schematic front structural view of an auxiliary leg for a trailer frame according to the present invention;

fig. 2 is a schematic structural view of a lifting adjusting mechanism of an auxiliary leg for a trailer frame according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the lifting mechanism comprises a cross beam 1, a cantilever 2, a carriage 3, a screw 4, a tripod 5, a support column 6, a lifting adjusting mechanism 7, a support block 8, a limiting mechanism 9, a support foot 10, a side lever 11, a cross bar 12, a first cavity 13, a second cavity 14, a third cavity 15, a first through groove 16, a rack 17, a gear 18, a connecting rod 19, a rotary handle 20, a clamping groove 21, a clamping block 22, a fixing block 23, a spring 24, a sliding rod 25, a second through groove 26 and a push-pull handle 27.

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.

Referring to fig. 1-3, a trailer is auxiliary leg for frame, includes crossbeam 1, and both ends run through and the welding has cantilever 2 about crossbeam 1, and cantilever 2 sets up about crossbeam 1 central axis symmetry, and crossbeam 1 and cantilever 2 all have the effect of fixing auxiliary leg in carriage 3 bottom.

The upper end of the cantilever 2 is fixedly connected with a carriage 3, the middle part of the cross beam 1 is in threaded connection with a screw 4, and the screw 4 is in threaded connection with a tripod 5.

Tripod 5 comprises side lever 11 and horizontal pole 12, side lever 11 is equipped with two and sets up about crossbeam 1 center axis symmetry, side lever 11 keeps away from the one end and the horizontal pole 12 fixed connection in carriage 3, screw 4 and crossbeam 1 fixed connection are passed through to the one end that side lever 11 is close to carriage 3, both ends and support column 6 welding about horizontal pole 12, connect through tripod 5, both can make two support columns 6 link into a whole, also can utilize triangle-shaped stability to make crossbeam 1's support more stable.

Both ends run through cantilever 2 fixedly connected with support column 6 about crossbeam 1, and support column 6 sets up about crossbeam 1 central axis symmetry.

The lifting adjusting mechanism 7 is arranged inside the supporting column 6, the lifting adjusting mechanism 7 is composed of a first cavity 13, a second cavity 14, a third cavity 15, a first through groove 16, a rack 17, a gear 18, a connecting rod 19 and a rotating handle 20, the supporting block 8 can be moved up and down by the lifting adjusting mechanism 7, the operation is simpler, and the working strength of people is prevented from being increased when the auxiliary supporting leg is used.

Support column 6 lower extreme sliding connection has supporting shoe 8, is equipped with two stop gear 9 between supporting shoe 8 and the support column 6, and stop gear 9 comprises draw-in groove 21, fixture block 22, fixed block 23, spring 24, slide bar 25, second through groove 26 and push-and-pull handle 27, can prevent to take place unexpected when lifting carriage 3 when using auxiliary leg, when not using, can prevent that the supporting shoe from falling under the action of gravity from oneself and causing danger.

8 lower extreme fixedly connected with supporting legs of supporting shoe 10, the supporting legs 10 lower extreme is trapezoidal and for the rubber material, and the auxiliary leg is more stable when using, can prevent the accident.

Now, the operation principle of the present invention is described as follows:

when the auxiliary supporting leg is needed to be used, the rotating handle 20 is rotated manually, the rotating handle drives the connecting rod 19 to rotate, the connecting rod 19 drives the gear 18 to rotate downwards along the rack 17, the connecting rod 19 drives the supporting block 8 to move downwards, when the supporting leg 10 contacts the ground, the push-pull handle 27 is pushed, the push-pull handle 27 drives the clamping block 22 to be clamped into the clamping groove 21, the relative position between the supporting column 6 and the supporting block 8 is well fixed, the supporting block 8 can be lifted upwards by using the lifting adjusting mechanism 7 after the auxiliary supporting leg is used, when the supporting block 8 completely enters the first cavity 13, the limiting mechanism 9 is reused to limit the supporting block 8, the supporting block 8 is prevented from automatically descending under the action of gravity, accidents are prevented, the purpose that the auxiliary supporting legs are easy to operate in the using process and do not need to be carried independently is achieved, and finally the working strength of people is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a trailer frame is with supplementary landing leg, includes crossbeam (1), its characterized in that, both ends run through and the welding has cantilever (2) about crossbeam (1), cantilever (2) upper end fixedly connected with carriage (3), crossbeam (1) middle part threaded connection has screw (4), screw (4) threaded connection has tripod (5), both ends run through cantilever (2) fixedly connected with support column (6) about crossbeam (1), support column (6) inside is equipped with lifting adjusting mechanism (7), support column (6) lower extreme sliding connection has supporting shoe (8), be equipped with two stop gear (9) between supporting shoe (8) and support column (6), supporting shoe (8) lower extreme fixedly connected with supporting legs (10).

2. The auxiliary leg for the trailer frame as claimed in claim 1, wherein the tripod (5) is composed of two side rods (11) and a cross rod (12), the two side rods (11) are symmetrically arranged about the central axis of the cross beam (1), one end of each side rod (11) far away from the carriage (3) is fixedly connected with the cross rod (12), one end of each side rod (11) close to the carriage (3) is fixedly connected with the cross beam (1) through a screw (4), and the left end and the right end of the cross rod (12) are welded with the support column (6).

3. The auxiliary leg for the trailer frame as claimed in claim 1, wherein the lifting adjusting mechanism (7) comprises a first cavity (13), a second cavity (14), a third cavity (15), a first through groove (16), a rack (17), a gear (18), a connecting rod (19) and a rotating handle (20), the first cavity (13), the second cavity (14), the third cavity (15) and the first through groove (16) are all arranged in a communicating manner, the first cavity (13) and the second cavity (14) are arranged on the supporting column (6), the third cavity (15) and the first through groove (16) are arranged on the supporting block (8), the upper end of the rack (17) is fixedly connected with the upper inner wall of the first cavity (13), the lower end of the rack (17) is slidably connected with the inner wall of the first through groove (16), and the gear (18) is engaged with the rack, the connecting rod (19) penetrates through the third cavity (15) and is fixedly connected with the gear (18), the connecting rod (19) is rotatably connected with the inner wall of the third cavity (15), and the rotating handle (20) penetrates through the second cavity (14) from the outside and is fixedly connected with the left end of the connecting rod (19).

4. The auxiliary leg for the trailer frame as claimed in claim 3, wherein the first cavity (13) is arranged inside the supporting column (6) far away from the end of the cantilever (2), the second cavity (14) is arranged on the left side of the supporting column (6), the third cavity (15) is arranged inside the supporting block (8) and has the same direction as the penetrating direction of the connecting rod (19), and the first through groove (16) is arranged inside the supporting block (8) and has the same direction as the penetrating direction of the rack.

5. The auxiliary leg for the trailer frame as claimed in claim 1, wherein the limiting mechanism (9) is composed of a slot (21), a block (22), a fixed block (23), a spring (24), a slide bar (25), a second through slot (26) and a push-pull handle (27), the clamping block (22) is clamped with the clamping groove (21), one end of the clamping block (22) far away from the clamping groove (21) is fixedly connected with the left end of the fixing block (23), the right end of the fixed block (23) is fixedly connected with the left end of the sliding rod (25), the right end of the sliding rod (25) penetrates through the second through groove (26) to be fixedly connected with the push-pull handle, the left end of the spring (24) is fixedly connected with the left end of the fixed block (23), the right end of the spring (24) is fixedly connected with the inner wall of the first cavity (13), the clamping groove (21) is formed in the right end of the connecting rod (19), and the second through groove (26) is formed in the right side of the supporting column (6).

6. The auxiliary leg for the trailer frame as claimed in claim 1, wherein the cantilever (2) and the support pillar (6) are symmetrically arranged about the central axis of the cross beam (1), and the lower end of the support foot (10) is trapezoidal and made of rubber.