CN220115706U - Cantilever outer frame - Google Patents

Abstract

The utility model discloses an overhanging outer frame, which relates to the technical field of coal conveying stack bridges, a plurality of outer frame supporting rods are arranged in pairs, two outer frame supporting rods of each group are connected through two reinforcing rods, the reinforcing rods between every two outer frame supporting rods are arranged in a crossing way, and limiting devices used for limiting the rotation of the two reinforcing rods are arranged at the crossing points of the reinforcing rods.

Description

Cantilever outer frame

Technical Field

The utility model relates to the technical field of coal conveying stack bridges, in particular to an overhanging outer frame.

Background

Overhanging is a building technical term, building components utilize a guy cable structure or other structures to achieve an effect, a part or all of the building is free of supports below, an unstable sense is given to people, lateral stress is mainly achieved, unlike hanging, overhanging structures are one of common structural forms in engineering structures, such as a awning, a cornice, an outer balcony, a gallery and the like in building engineering, overhanging beams or plates are formed from main structures to form cantilever structures, the cantilever structures are basically still beam plate structures, in a traditional coal conveying trestle, angle steel or channel steel trusses are usually adopted, when the span is large, people walk on the trestle to have strong vibration sense, and in order to solve the problem, overhanging outer frames are usually applied to the coal conveying trestle at present, so that vibration sense is avoided.

In the construction technical study of encorbelmenting of coal conveying stack bridge steel grillwork, can relate to the outer frame of encorbelmenting generally, but the outer frame of encorbelmenting that current coal conveying stack bridge used is fixed high mostly, and coal conveying stack bridge is the slope setting mostly, and the outer frame of encorbelmenting that every position needs is different, leads to adopting the outer frame of encorbelmenting of multiple specification to support, and the time-consuming is operated.

In view of this, the present utility model has been made.

Disclosure of Invention

Aiming at the problems, the utility model provides the cantilever outer frame which solves the problems that the cantilever outer frames used in coal conveying trestle are mostly of fixed height, the coal conveying trestle is mostly arranged obliquely, the cantilever outer frames required by each position are different in height, so that the cantilever outer frames with various specifications are required to be used for supporting, and time is wasted during operation.

The utility model adopts the technical scheme that: an overhanging outer frame comprises a plurality of outer frame supporting rods;

the outer frame support rods are connected in a detachable mode, two outer frame support rods of each outer frame support rod are connected through two reinforcing rods, two ends of each reinforcing rod are hinged to the outer frame support rods, the reinforcing rods between every two outer frame support rods are arranged in a crossed mode, and limiting devices used for limiting rotation of the two reinforcing rods are arranged at the crossing points of the reinforcing rods.

Further, the outer frame support rod comprises a first main rod, a first auxiliary rod and a second main rod, wherein the first main rod and the second main rod are connected through the first auxiliary rod, two ends of the first auxiliary rod are respectively in sliding connection with the first main rod and the second main rod, and two ends of the reinforcing rod are respectively hinged with the side walls of the two first main rods and the two second main rods.

Still further, the below of second mobile jib all is equipped with the arch, the top of first mobile jib all is equipped with the recess, protruding detachable card is in the recess.

Still further, all be equipped with a plurality of first through-holes on the arch, the lateral wall of recess is equipped with a plurality of second through-holes, a plurality of first through-hole and second through-hole mutually support, a plurality of first through-hole and second through-hole internal connection have a plurality of spacer pins, same the spacer pin runs through first through-hole and second through-hole.

Still further, the outer frame bracing piece includes first mobile jib, first vice pole, second mobile jib, be connected through first vice pole between first mobile jib and the second mobile jib, and the both ends of first vice pole respectively with first mobile jib and second mobile jib sliding connection, two the both ends of strengthening rod respectively with the lateral wall of two first mobile jib and second mobile jib articulated.

Still further, the stiffener includes third mobile jib, second auxiliary rod, fourth mobile jib, connect through the second auxiliary rod between third mobile jib and the fourth mobile jib, and the both ends of second auxiliary rod respectively with third mobile jib and fourth mobile jib sliding connection, two the first end of third mobile jib respectively with the lateral wall of two first mobile jib articulated, two the first end of fourth mobile jib respectively with the lateral wall of two second mobile jib articulated, stop device sets up in the second auxiliary rod intersection point department, and the intersection point is located the center department of two second auxiliary rods.

Still further, the stop device includes telescopic link, fixed block, connecting rod, spring, pull block, gear, one of them in two secondary poles of every group is connected with the first end of two telescopic links on the secondary pole, two telescopic links symmetric distribution, two the second end of telescopic link is connected with same fixed block, be connected with the first end of connecting rod perpendicularly on the fixed block, the second end of connecting rod runs through the intersection department of two secondary poles, the second end portion of connecting rod is equipped with the pull block;

the connecting rod between fixed block and one of them second auxiliary rod is gone up the cover and is equipped with the spring, the first end and the fixed block of spring are connected, the second end and the second auxiliary rod of spring are connected, one of them all be equipped with the tooth's socket on second auxiliary rod and the other second auxiliary rod, the cover is equipped with two gears on the connecting rod, two the detachable card respectively is in two tooth's sockets.

The utility model has the advantages that:

according to the utility model, the first main rod and the second main rod are pulled to enable the height of the cantilever outer frame to be increased, the third main rod and the fourth main rod slide along the second auxiliary rod, one group of cantilever outer frames are placed on the ground after being adjusted to be proper heights, the protrusions below the outer frame supporting rods of the other group of cantilever outer frames are inserted into the grooves, the limiting pins penetrate through the first through holes and the second through holes to connect the two groups of cantilever outer frames into a whole, the uppermost cantilever outer frames are connected with the coal conveying stack bridge, in this way, the inclined coal conveying stack bridge can be supported, the problem that the heights of cantilever outer frames required by each position are different is solved, and the cantilever outer frames with different heights can be combined into multiple heights only by one specification.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the outer frame support bar of the present utility model;

FIG. 3 is a schematic view of a bump mount of the present utility model;

FIG. 4 is a schematic view of a spacing device according to the present utility model;

FIG. 5 is a schematic view of the tooth slot structure of the present utility model;

fig. 6 is a schematic view of the structure of the reinforcing bar of the present utility model.

Reference numerals:

1 is an outer frame supporting rod; 11 is a bulge; 12 is a groove; 13 is a first through hole; 14 is a second through hole; 15 is a first main rod; 16 is a first secondary rod; 17 is a second boom; 2 is a reinforcing rod; 21 is a third main rod; 22 is a second auxiliary lever; 23 is a fourth boom; 24 is tooth slot; 3 is a limiting device; 31 is a telescopic rod; 32 is a fixed block; 33 is a connecting rod; 34 is a spring; 35 is a pull block; 36 is a gear.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 6, an overhanging outer frame comprises a plurality of outer frame support bars 1;

the two outer frame support rods 1 are detachably connected with each other, the two outer frame support rods 1 of each group are connected through two reinforcing rods 2, two ends of the two reinforcing rods 2 are hinged with the outer frame support rods 1, the reinforcing rods 2 between the two outer frame support rods 1 are arranged in a crossing manner, and limiting devices 3 used for limiting the rotation of the two reinforcing rods 2 are arranged at the crossing points of the reinforcing rods 2;

in this embodiment: each group of overhanging outer frames comprises two outer frame supporting rods 1, two reinforcing rods 2 and a limiting device 3, and the number of groups is determined according to actual needs;

when the cantilever support device is used, the limiting device 3 can be firstly adjusted, so that the two reinforcing rods 2 in the same group are separated from and limited, the angle of the two reinforcing rods 2 can be changed as required, the height change of the two outer frame support rods 1 is driven, and the problem that the cantilever support heights required by each position are different can be solved, as shown in fig. 2.

The outer frame support rod 1 comprises a first main rod 15, a first auxiliary rod 16 and a second main rod 17, wherein the first main rod 15 and the second main rod 17 are connected through the first auxiliary rod 16, the two ends of the first auxiliary rod 16 are respectively connected with the first main rod 15 and the second main rod 17 in a sliding manner, the two ends of the two reinforcing rods 2 are respectively hinged with the side walls of the two first main rods 15 and the second main rod 17, the reinforcing rods 2 comprise a third main rod 21, a second auxiliary rod 22 and a fourth main rod 23, the third main rod 21 and the fourth main rod 23 are connected through the second auxiliary rod 22, the two ends of the second auxiliary rod 22 are respectively connected with the third main rod 21 and the fourth auxiliary rod 23 in a sliding manner, the first ends of the two third main rods 21 are respectively hinged with the side walls of the two first main rods 15, the first ends of the two fourth main rods 23 are respectively hinged with the side walls of the two second main rods 17, the limiting device 3 is arranged at the intersection point of the second auxiliary rod 22, and the intersection point is positioned at the center of the two second auxiliary rods 22;

in this embodiment: the sliding between the first 15 and second 17 main bars and the first auxiliary bar 16 does not interfere with the stop means 3 at the crossing point of the second auxiliary bar 22;

embodiment one: when the height of a group of overhanging outer frames needs to be increased, the limiting device 3 is firstly separated from limiting the two second auxiliary levers 22, and the first main lever 15 and the second main lever 17 are pulled at the moment, so that the height of the overhanging outer frames is increased, and the third main lever 21 and the fourth main lever 23 slide along the second auxiliary levers 22;

embodiment two: when the outer cantilever frame is required to be disassembled or a group of outer cantilever frames are required to be made to be low in height, the limiting device 3 is firstly made to be separated from the limiting of the two second auxiliary rods 22, then the first main rod 15 and the second main rod 17 are extruded, the first main rod 15 and the second main rod 17 slide along the first auxiliary rod 16, meanwhile, the outer cantilever frames are made to be low in height, the third main rod 21 and the fourth main rod 23 slide along the second auxiliary rods 22, when the outer cantilever frame is disassembled, the outer cantilever frames are extruded to the lowest point, the lowest point is just contact between the first main rod 15 and the second main rod 17, and the first auxiliary rod 16 is just positioned inside the first main rod 15 and the second main rod 17; as in fig. 6.

The lower part of the second main rod 17 is provided with a bulge 11, the upper part of the first main rod 15 is provided with a groove 12, the bulge 11 is detachably clamped in the groove 12, the bulge 11 is provided with a plurality of first through holes 13, the side wall of the groove 12 is provided with a plurality of second through holes 14, the plurality of first through holes 13 and the second through holes 14 are matched with each other, the plurality of first through holes 13 and the second through holes 14 are internally and externally connected with a plurality of limiting pins, and the same limiting pin penetrates through the first through holes 13 and the second through holes 14;

in this embodiment: when the cantilever type coal conveying bridge is used, one group of cantilever outer frames are placed on the ground, the protrusions 11 below the outer frame supporting rods 1 of the other group of cantilever outer frames are inserted into the grooves 12, then limiting pins penetrate through the first through holes 13 and the second through holes 14 to connect the two groups of cantilever outer frames into a whole, the uppermost cantilever outer frames are connected with the coal conveying bridge, in this way, the inclined coal conveying bridge can be supported, and the cantilever outer frames with different heights can be combined into multiple heights only by one specification, as shown in fig. 3.

The limiting device 3 comprises telescopic rods 31, fixed blocks 32, connecting rods 33, springs 34, pull blocks 35 and gears 36, wherein first ends of the two telescopic rods 31 are connected to one of the two second auxiliary rods 22 of each group, the two telescopic rods 31 are symmetrically distributed, second ends of the two telescopic rods 31 are connected with the same fixed block 32, first ends of the connecting rods 33 are vertically connected to the fixed blocks 32, second ends of the connecting rods 33 penetrate through the crossing points of the two second auxiliary rods 22, pull blocks 35 are arranged at second end parts of the connecting rods 33, springs 34 are sleeved on the connecting rods 33 between the fixed blocks 32 and one of the second auxiliary rods 22, the springs 34 are connected with the connecting rods 33 in a sliding mode, first ends of the springs 34 are connected with the fixed blocks 32, second ends of the springs 34 are connected with the second auxiliary rods 22, one of the second auxiliary rods 22 and the other second auxiliary rods 22 are respectively provided with two gears 24, the connecting rods 33 are sleeved with the two gears 36, the connecting rods 33 are fixedly connected with the connecting rods 33, and the two gears 36 are respectively detachably clamped in the two tooth grooves 24;

in this embodiment: when the two second auxiliary levers 22 are required to be separated from the limit, the pull block 35 is pulled, the springs 34 are compressed, the telescopic rods 31 are contracted, the two gears 36 are separated from the two tooth grooves 24 at the same time, at the moment, the two second auxiliary levers 22 are separated from the limit, when the limit is required, the pull block 35 is released, the springs 34 automatically recover to deform, at the moment, the springs 34 drive the telescopic rods 31 to reset, and the springs 34 drive the two gears 36 to be clamped into the two tooth grooves 24, at the moment, the two second auxiliary levers 22 form the limit, as shown in fig. 4.

The working process of the utility model comprises the following steps:

when the cantilever outer frame height measuring device is used, the cantilever outer frame height required by each position is measured through a height measuring tool, then the height required to be adjusted of each cantilever outer frame is determined, then the two second auxiliary rods 22 are separated from limit, the pull blocks 35 are pulled, the springs 34 are compressed, the telescopic rods 31 are contracted, the two gears 36 are separated from the two tooth grooves 24 at the same time, the two second auxiliary rods 22 are separated from limit, the first main rod 15 and the second main rod 17 are pulled, the cantilever outer frame height is increased, the third main rod 21 and the fourth main rod 23 are enabled to slide along the second auxiliary rods 22, after the cantilever outer frame height is adjusted to a proper height, the pull blocks 35 are loosened, the springs 34 automatically recover deformation, the springs 34 drive the telescopic rods 31 to reset, the springs 34 drive the two gears 36 to be clamped into the two tooth grooves 24, and the two second auxiliary tooth groove rods 22 form limit;

one group of overhanging outer frames are placed on the ground, the protrusions 11 below the outer frame supporting rods 1 of the other group of overhanging outer frames are inserted into the grooves 12, then limiting pins penetrate through the first through holes 13 and the second through holes 14 to connect the two groups of overhanging outer frames into a whole, the uppermost overhanging outer frames are connected with the coal conveying stack bridge, in this way, the inclined coal conveying stack bridge can be supported, the problem that the overhanging outer frames in each position are different in height is solved, and the overhanging outer frames in one specification can be combined into multiple heights with different heights, so that the whole working process is completed.

According to the utility model, the first main rod and the second main rod are pulled to enable the height of the cantilever outer frame to be increased, the third main rod and the fourth main rod slide along the second auxiliary rod, one group of cantilever outer frames are placed on the ground after being adjusted to be proper heights, the protrusions below the outer frame supporting rods of the other group of cantilever outer frames are inserted into the grooves, the limiting pins penetrate through the first through holes and the second through holes to connect the two groups of cantilever outer frames into a whole, the uppermost cantilever outer frames are connected with the coal conveying stack bridge, in this way, the inclined coal conveying stack bridge can be supported, the problem that the heights of cantilever outer frames required by each position are different is solved, and the cantilever outer frames with different heights can be combined into multiple heights only by one specification.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The cantilever outer frame is characterized by comprising a plurality of outer frame supporting rods (1);

a plurality of outer frame bracing piece (1) are two-to-one, and can dismantle between two adjacent groups of outer frame bracing pieces (1) and be connected, two of every group between outer frame bracing piece (1) are connected through two stiffener (2), and the both ends of two stiffener (2) all articulate with outer frame bracing piece (1), every between two outer frame bracing pieces (1) stiffener (2) cross arrangement, and the intersection department of stiffener (2) all is equipped with and is used for restricting two stiffener (2) pivoted stop device (3).

2. The cantilever outer frame according to claim 1, wherein the outer frame supporting rod (1) comprises a first main rod (15), a first auxiliary rod (16) and a second main rod (17), the first main rod (15) and the second main rod (17) are connected through the first auxiliary rod (16), two ends of the first auxiliary rod (16) are respectively in sliding connection with the first main rod (15) and the second main rod (17), and two ends of the two reinforcing rods (2) are respectively hinged with side walls of the two first main rods (15) and the two second main rods (17).

3. The cantilever outer frame according to claim 2, wherein the lower parts of the second main rods (17) are provided with protrusions (11), the upper parts of the first main rods (15) are provided with grooves (12), and the protrusions (11) are detachably clamped in the grooves (12).

4. A cantilever outer frame according to claim 3, characterized in that the protrusions (11) are provided with a plurality of first through holes (13), the side walls of the grooves (12) are provided with a plurality of second through holes (14), the first through holes (13) and the second through holes (14) are mutually matched, a plurality of limiting pins are connected inside and outside the first through holes (13) and the second through holes (14), and the same limiting pin penetrates through the first through holes (13) and the second through holes (14).

5. The cantilever outer frame according to claim 2, wherein the reinforcing rod (2) comprises a third main rod (21), a second auxiliary rod (22) and a fourth main rod (23), the third main rod (21) and the fourth main rod (23) are connected through the second auxiliary rod (22), two ends of the second auxiliary rod (22) are respectively connected with the third main rod (21) and the fourth main rod (23) in a sliding manner, first ends of the two third main rods (21) are respectively hinged with side walls of the two first main rods (15), first ends of the two fourth main rods (23) are respectively hinged with side walls of the two second auxiliary rods (17), and the limiting device (3) is arranged at an intersection point of the second auxiliary rods (22), wherein the intersection point is located at the center of the two second auxiliary rods (22).

6. The cantilever outer frame according to claim 5, wherein the limiting device (3) comprises a telescopic rod (31), a fixed block (32), a connecting rod (33), a spring (34), a pull block (35) and a gear (36), wherein one of the two second auxiliary rods (22) of each group is connected with a first end of the two telescopic rods (31), the two telescopic rods (31) are symmetrically distributed, a second end of the two telescopic rods (31) is connected with the same fixed block (32), the fixed block (32) is vertically connected with a first end of the connecting rod (33), the second end of the connecting rod (33) penetrates through a crossing point of the two second auxiliary rods (22), and a pull block (35) is arranged at a second end head of the connecting rod (33);

the connecting rod (33) between fixed block (32) and one of them second auxiliary rod (22) is gone up the cover and is equipped with spring (34), the first end and the fixed block (32) of spring (34) are connected, the second end and the second auxiliary rod (22) of spring (34) are connected, one of them all be equipped with tooth's socket (24) on second auxiliary rod (22) and the other second auxiliary rod (22), the cover is equipped with two gears (36) on connecting rod (33), two detachable card respectively is in two tooth's sockets (24).