Steel support bracket
Technical Field
The present invention relates to a steel support bracket.
Background
Steel supports are often used as main components of an inner support system in the construction process of deep foundation pits, in particular to foundation pits with large areas and deep excavation. Often because of steel shotcrete overlength in the steel shotcrete installation, and need set up the steel shotcrete bracket on foundation ditch middle part lattice column, the installation of steel shotcrete bracket not only step is loaded down with trivial details, bracket welding engineering volume is big, and is also higher to welding technical requirement, and the bracket installation precision is difficult to control moreover. The construction process of the steel support bracket is long in time consumption, the steel support bracket is also long in time of being exposed in a high-altitude operation environment, and the more dangerous factors are.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel support bracket which is fixedly arranged on a lattice column in an assembling mode, has simple installation steps and high efficiency; the accurate adjustment of the position of the bracket is realized by adjusting the clamping position of the inclined supporting rod on the tooth-shaped steel plate, and then the accurate support of the bracket on the steel support can be realized.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a steel support bracket, includes left branch strut, right branch strut, bearing diagonal pole, profile of tooth steel sheet, left branch strut includes two first support channel-section steels, right branch strut includes that two seconds support the channel-section steel, two the left end of first support channel-section steel and the right-hand member of two second support channel-section steels are respectively through a first connecting plate fixed connection, and first support channel-section steel supports the channel-section steel with the second that corresponds and realizes fixed connection back through the detachable mode, forms a logical long cross arm, two logical long cross arm is used for the centre gripping in the both sides of lattice column all set up one on first support channel-section steel and the second support channel-section steel the bearing diagonal pole, be provided with on the lattice column with the bearing diagonal pole one-to-one the profile of tooth steel sheet, the profile of tooth steel sheet is used for realizing the correspondence the location is put to the card of bearing diagonal pole lower part.
Preferably, the first supporting channel steel and the second supporting channel steel are fixedly connected in a bolt connection mode.
Furthermore, at least one first through hole for penetrating a bolt is formed in the right end of the first support channel steel, an extension plate is fixedly arranged at the left end of the second support channel steel, and a second through hole corresponding to the first through hole is formed in the extension plate.
Furthermore, the first through hole is an oblong hole and is distributed along the length direction of the first support channel steel.
Preferably, two the right-hand member lower part of first support channel-section steel and the left end lower part of two second support channel-section steels all set up an auxiliary clamping plate, and auxiliary clamping plate supports the channel-section steel through bolted connection mode and two first support channel-sections or two second that correspond and is connected auxiliary clamping plate all sets up a third perforating hole that is used for the bolt to run through at both ends around, equally divide on two first support channel-sections and two second support channel-sections respectively be provided with the corresponding fourth perforating hole of third perforating hole.
Furthermore, the fourth through hole is an oblong hole and is distributed along the length direction of the corresponding first support channel steel or the second support channel steel.
The utility model has the beneficial effects that: the welding workload of the steel support bracket is greatly reduced, the steel support bracket can be produced in a prefabrication processing factory, and the welding construction quality is ensured; the steel support bracket is assembled at a preset position and is screwed up by bolts, so that the high-altitude operation time of operators is greatly reduced, the construction safety is improved, and the construction progress is accelerated; the accurate adjustment of the position of the bracket is realized by adjusting the clamping position of the inclined support rod on the tooth-shaped steel plate, so that the accurate support of the bracket on the steel support can be realized; the clamping effect of the two auxiliary clamping plates on the two sides of the lattice column is utilized, so that the mounting stability of the bracket on the lattice column can be further improved.
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, and it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the installation of the present invention on a lattice column;
FIG. 2 is a front view of the present invention installed on a lattice column;
FIG. 3 is a top view of the mounting of the present invention on a lattice column;
FIG. 4 is a schematic view of a first embodiment of a first support channel;
FIG. 5 is a schematic view of a first embodiment of a second support channel;
in the figure: 1 left supporting cross arm, 11 first supporting channel steel, 111 first through hole, 2 right supporting cross arm, 21 second supporting channel steel, 211 extension plate, 212 second through groove, 3 diagonal support rod, 4 tooth-shaped steel plate, 5 first connecting plate, 6 auxiliary clamping plate, 7 latticed column, 71 limb member, 72 batten plate, 8 through long cross arm and 101 fourth through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the specific embodiments and accompanying drawings 1-5, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the utility model, and therefore the utility model is not limited to the specific embodiments disclosed below.
The section of the lattice column 7 is generally designed into a biaxial symmetrical or uniaxial symmetrical section by section steel or steel plates; it is mainly composed of a limb 71 and a gusset plate 72, the limb 71 mainly receives axial force, and the gusset plate 72 mainly resists lateral force.
The utility model provides a steel support bracket (as shown in figure 1), which comprises a left support cross arm 1, a right support cross arm 2, an inclined support rod 3 and a tooth-shaped steel plate 4, the left supporting cross arm 1 comprises two first supporting channel steel 11, the right supporting cross arm 2 comprises two second supporting channel steel 21, the left ends of the two first supporting channel steel 11 and the right ends of the two second supporting channel steel 21 are respectively and fixedly connected through a first connecting plate 5, namely, the lower parts of the left ends of the two first supporting channel steels 11 are fixedly connected through a first connecting plate 5, the lower parts of the right ends of the two second supporting channel steels 21 are fixedly connected through a first connecting plate 5, when the two first supporting channel steels 11 are fixedly connected through the first connecting plate 5, the grooves on the two first supporting channel steel 11 face outwards, and the first connecting plate 5 is fixedly connected with the first supporting channel steel 11 in a welding mode; when two first two prop channel-section steels 21 realize fixed connection through first connecting plate 5, the recess on two second support channel-section steels 21 also all towards the outside, and second connecting plate 5 adopts welding mode and second support steel channel 21 to realize fixed connection. First support channel-section steel 11 and the second support channel-section steel 21 that corresponds realize fixed connection back through the mode of dismantling, form a logical long cross arm 8, two logical long cross arm 8 is used for the centre gripping in the both sides of lattice column 7, and in this embodiment, first support channel-section steel 11 and second support channel-section steel 21 adopt the concrete implementation mode that the mode of dismantling is connected to be: the first support channel steel 11 and the second support channel steel 21 are fixedly connected through a bolt connection manner, specifically, at least one first through hole 111 for a bolt to penetrate through is arranged at the right end of the first support channel steel 11, in this specific embodiment, two first through holes 111 distributed up and down are arranged on the first support channel steel 11, an extension plate 211 is arranged at the left end of the second support channel steel 21, in the actual processing and manufacturing process, the extension plate 211 can be obtained by removing side plates at two sides of the end of the second support channel steel 21, a second through hole 212 corresponding to the first through hole 111 is arranged on the extension plate 211, a high-strength bolt penetrates through the corresponding first through hole 111 and second through hole 212, and then a nut on the extension plate is screwed down, so that the first support channel steel 11 and the second support channel steel 21 can be fixedly connected, in practical application, after the full-length cross arm 8 is mounted on the lattice column 7, the bolt combination for connecting and fixing the first support channel steel 11 and the second support channel steel 21 is just positioned in the gap between the limbs 71, so that the bolt combination does not affect the close fit between the two full-length cross arms 8 and the lattice column 7. The inclined support rods 3 are arranged on the first support channel steel 11 and the second support channel steel 21, the tooth-shaped steel plates 4 which are in one-to-one correspondence with the inclined support rods 7 are arranged on the lattice columns 7, and the tooth-shaped steel plates 4 are used for realizing the clamping and positioning of the lower parts of the corresponding inclined support rods 7; specifically, the inclined supporting rods 7 can be an angle steel, all the inclined supporting rods 7 are correspondingly arranged in a clamping space between the two full-length cross arms 8 in a welding fixing mode, the tooth-shaped steel plate 4 is a steel plate with a sawtooth groove on the surface and is vertically and fixedly arranged on the lattice column 7 in a welding mode, and in practical application, after the lower parts of the inclined supporting rods 7 positioned at two sides of the lattice column 7 are clamped on the corresponding tooth-shaped steel plate 4, the two full-length cross arms 8 are stably placed; further, in order to ensure that the lower portions of all the inclined support rods 7 can be effectively clamped on the corresponding toothed steel plates 4, the first through holes 111 are long round holes, the first through holes 111 are distributed along the length direction of the first support channel steels 11, the first through holes 111 are long round holes, the first support channel steels 11 and the second support channel steels 21 can be adjusted in a left-right mode to a certain extent, left-right adjustment of the inclined support rods 7 is achieved, the lower portions of the inclined support rods 7 can be effectively arranged on the toothed steel plates 4 in an overhead mode, and further, in the practical application process, in order to enable the inclined support rods 7 to have a good supporting effect, the inclination angles of the inclined support rods 7 in the longitudinal plane are 45 degrees.
In order to improve the attachment stability of the full-length cross arm 8 and the lattice column 7, when the first connecting plate 5 is used for fixedly connecting the two first supporting channel steels 11 and the two second supporting channel steels 21, the first connecting plate 5 needs to connect the two first supporting channel steels 11 at intervals and the first connecting plate 5 needs to connect the two second supporting channel steels 21 at intervals according to the relevant structural size of the lattice column 7 and the thickness size of the extension plate 211; then, when the first support channel steel 11 and the corresponding second support channel steel 21 are connected, the middle vertical plate of the second support channel steel 21 is attached to the side surface of the limb 71 or the gusset plate 72, and the end portion of the first support channel steel 11 is correspondingly located on the outer side of the corresponding extension plate 211.
In order to further improve the installation stability of the two full-length cross arms 8 on the lattice column 7, an auxiliary clamping plate 6 is respectively arranged at the lower part of the right end of each of the two first supporting channel steels 11 and the lower part of the left end of each of the two second supporting channel steels 21, the auxiliary clamping plate 6 is connected with the corresponding two first supporting channel steels 11 or two second supporting channel steels 21 in a bolt connection mode, third through holes for penetrating bolts are respectively arranged at the front end and the rear end of the auxiliary clamping plate 6, fourth through holes 101 corresponding to the third through holes are respectively arranged on the two first supporting channel steels 11 and the two second supporting channel steels 21, when the two full-length cross arms 8 are respectively clamped at the front side and the rear side of the lattice column 7, the corresponding two auxiliary clamping plates 6 are respectively clamped at the left side and the right side of the lattice column 7, and thus the whole bracket is enabled to be arranged at the front side and the front side of the lattice column 7, Back, four faces in the left and right side all have centre gripping limit function to can improve the installation stability of bracket on lattice column 7, further, in order to realize that the laminating degree of supplementary grip block 6 and lattice column 7's side is adjusted, here, make fourth perforating hole 101 be a slotted hole, and the fourth is link up 101 holes and is distributed along the length direction of the first support channel-section steel 11 or the second support channel-section steel 21 that correspond.
In the present invention, "left", "right", "upper", "lower", "front", and "rear" are relative positions used for convenience in describing positional relationships, and therefore, should not be interpreted as absolute positions as limiting the scope of protection.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the utility model is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the utility model.