Safety protection structure of conveying corridor
Technical Field
The invention belongs to the technical field of conveying galleries of a dry-method cement clinker production line, and particularly relates to a conveying gallery security structure.
Background
The conveying gallery mainly comprises upright columns, steel trusses and connecting pieces between the upright columns and the steel trusses, and the upright columns (gallery supports) are of a vertical structure and generally adopt a reinforced concrete structure. The steel truss is a horizontal large-span structure, the span is 18-60 meters, and the span is 21-30 meters. Because the steel truss is a high-altitude stressed member, in the long-term use process, under the improper use condition of corrosion or dust deposition and the like, the truss rod piece can deform and is often damaged at the joint of the steel truss and the upright post, so that the steel truss integrally falls off, the conveying corridor is damaged, the material conveying is interrupted, the production is influenced, the great potential safety hazard exists, the recovery difficulty is great, measures are taken to prevent the safety of the steel truss and the falling off, and the method is particularly important in the design of the conveying corridor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the conveying corridor security structure is simple in structure, the connection mode of the steel truss and the upright post connecting part is improved, when bolts at the connecting part of the steel truss and the upright post head are damaged, the truss is prevented from suddenly collapsing, the safety of the corridor steel truss is improved, the possibility of falling of a high-altitude corridor in the air is reduced particularly under the condition that a steel truss structure is invalid or damaged, and the safety of buildings and personnel is guaranteed.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a conveying corridor security structure which comprises a steel truss and an upright post, wherein an end plate is arranged at the end part of the steel truss, a concrete corbel is arranged on the inner side of the upright post, the lower end face of the end plate is provided with a structure capable of being supported on the upper surface of the concrete corbel, an embedded part is arranged on the outer side of the upright post, a structure connected through a connecting part which is obliquely arranged is arranged between the end plate and the embedded part, and the connecting part is a steel wire rope or an anchor chain.
The steel truss end is further provided with a truss upper chord and a truss diagonal rod, an acute included angle structure is formed between the truss upper chord and the truss diagonal rod, the upper end of an end plate arranged at the end of the steel truss is fixedly connected with the truss upper chord, and the side face of the end plate arranged at the end of the steel truss is fixedly connected with the truss diagonal rod.
The stand set up to the structure that the concrete preparation formed, the inside reinforcing bar that sets up of stand, pre-buried structure in the concrete when built-in fitting sets up to the preparation stand.
The end plate is provided with a plate connecting hole penetrating through the end plate, the embedded part is provided with an embedded part connecting hole penetrating through the embedded part, and the connecting part is of a structure penetrating through the plate connecting hole and the embedded part connecting hole.
When the connecting part penetrates through the plate connecting hole and the embedded part connecting hole, two ends of the connecting part penetrating through the plate connecting hole and the embedded part connecting hole are of a structure capable of being connected together, and the connecting part is of an annular structure.
The horizontal height of the embedded part is set to be a structure higher than that of the end plate, and the upright post is set to be a structure vertically arranged on the ground.
One end of the truss upper chord is connected with the end plate, the other end of the truss upper chord is fixedly connected with the steel truss, the truss upper chord is of a horizontally arranged structure, one end of the truss diagonal rod is connected with the end plate, the other end of the truss diagonal rod is fixedly connected with the steel truss, and the truss diagonal rod is of an obliquely arranged structure.
When the connecting part is the anchor chain, the anchor chain comprises a plurality of annular anchor chain components, and adjacent anchor chain components are connected in a hooking mode.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
according to the conveying corridor security structure, when the conveying corridor is arranged, the concrete corbels are arranged on the inner sides of the stand columns, the end part plates are arranged at the end parts of the steel trusses, and the end part plates are supported on the concrete corbels, so that the steel trusses and the stand columns are connected and positioned. In order to ensure that the steel truss 1 is reliably supported and is safely connected, the embedded part is arranged on the outer side of the upright post and fixedly connected with the upright post, and then the embedded part is connected with the end plate through the connecting part. Therefore, double guarantee is realized between the steel truss and the upright post, even if the steel truss deforms or falls off, the steel truss and the upright post can be restrained by the connecting part (security cable) when falling off due to the addition of the connecting part, and the steel truss and the upright post cannot suddenly fall off from the air, so that a good safety guarantee effect is realized. The safety protection structure of the conveying corridor, provided by the invention, has the advantages that the structure is simple, the cost is low, the connection mode of the steel truss and the upright post connecting part is improved, when the bolt at the connecting part of the steel truss and the upright post head is damaged, the truss is prevented from suddenly collapsing, the safety of the corridor steel truss is improved, particularly, the falling possibility of a high-altitude corridor in the air is reduced under the condition that the structure of the steel truss is invalid or damaged, and the safety of buildings and personnel is ensured.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of a part of the structure of a conveying corridor according to the invention;
FIG. 2 is a schematic view of a partial structure of the connection member and the vertical post of the transportation corridor security structure according to the present invention;
FIG. 3 is a schematic view of a partial structure of the connection member and the steel truss connection of the transportation corridor security structure according to the present invention;
FIG. 4 is a schematic structural view of an anchor chain of the safety structure of the conveying corridor according to the present invention;
in the drawings, the reference numbers are respectively: 1. a steel truss; 2. a column; 3. an end plate; 4. concrete corbels; 5. a ground surface; 6. embedding parts; 7. a connecting member; 8. the truss is strung; 9. a truss diagonal compound rod; 10. a plate connection hole; 11. connecting holes of the embedded parts; 12. an anchor chain assembly.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in fig. 1-3, the invention relates to a transportation corridor security structure, which comprises a steel truss 1 and an upright post 2, wherein an end plate 3 is arranged at the end part of the steel truss 1, a concrete corbel 4 is arranged on the inner side of the upright post 2, the lower end surface of the end plate 3 is provided with a structure capable of being supported on the upper surface of the concrete corbel 4, an embedded part 6 is arranged on the outer side of the upright post 2, a structure connected through a connecting part 7 which is obliquely arranged is arranged between the end plate 3 and the embedded part 6, and the connecting part 7 is a steel wire rope or an anchor chain. Above-mentioned structure when setting up the corridor of carrying, sets up the concrete bracket in the stand inboard, sets up the tip plate at 1 tip of steel truss, and the tip plate supports on the concrete bracket, realizes connecting and the location between steel truss 1 and the stand. In order to ensure that the steel truss 1 is reliably supported and safely connected, the embedded part is arranged on the outer side of the upright post and fixedly connected with the upright post, and then the embedded part is connected with the end plate through the connecting part. Therefore, double guarantee is realized between the steel truss and the upright post, even if the steel truss deforms or falls off, the steel truss and the upright post can be restrained by the connecting part (security cable) when falling off, and the steel truss and the upright post cannot suddenly fall off from the air, so that a good safety guarantee effect is realized. The safety protection structure of the conveying corridor is simple in structure, the connection mode of the steel truss and the upright post connecting part is improved, when the bolt at the connecting part of the steel truss and the upright post head is damaged, the truss is prevented from suddenly collapsing, the safety of the corridor steel truss is improved, particularly under the condition that the steel truss structure is invalid or damaged, the possibility of falling of the high-altitude corridor in the air is reduced, and the safety of building materials and personnel is guaranteed.
The end part of the steel truss 1 is further provided with a truss upper chord 8 and a truss diagonal rod 9, an acute included angle structure is formed between the truss upper chord 8 and the truss diagonal rod 9, the upper end of the end plate 3 arranged at the end part of the steel truss 1 is fixedly connected with the truss upper chord 8, and the side surface of the end plate 3 arranged at the end part of the steel truss 1 is fixedly connected with the truss diagonal rod 9. According to the structure, the end plate is simultaneously connected with the truss upper chord 8 and the truss diagonal member 9 of the steel truss, and the inclination angles of the truss upper chord 8 and the truss diagonal member 9 are different from the connection part of the end plate, so that the connection strength is effectively improved, the end plate is prevented from deforming when being supported and connected with the connecting part to bear force, and the reliability is high.
The stand 2 set up the structure that forms for the concrete preparation, stand 2 is inside to set up the reinforcing bar, pre-buried structure in the concrete when pre-buried 6 sets up to preparation stand 2, pre-buried 6 sets up the structure on the reinforcing bar that clamps in stand 2. In the structure, the embedded part comprises the body part and the connecting part, and the body part and the connecting part are of T-shaped structures. When the embedded part is embedded in the stand, clamp this somatic part on the reinforcing bar that sets up in the stand, and connecting portion extend to the stand outside to set up plate connecting hole 10 on the connecting portion, like this, embedded part intensity is effectively strengthened, and long-term atress in-process can not take place fracture or warp, and the reliability is high.
The end plate 3 is provided with a plate connecting hole 10 penetrating through the end plate 3, the embedded part 6 is provided with an embedded part connecting hole 11 penetrating through the embedded part 6, and the connecting part 7 is arranged to penetrate through the plate connecting hole 10 and the embedded part connecting hole 11. When the connecting part 7 penetrates through the plate connecting hole 10 and the embedded part connecting hole 11, two ends of the connecting part 7 penetrating through the plate connecting hole 10 and the embedded part connecting hole 11 are of a structure capable of being connected together, and the connecting part 7 is of an annular structure. In the structure, the connecting part is in a wire-mounted structure, penetrates through the plate connecting hole 10 and the embedded part connecting hole 11, and then forms a closed ring, so that the embedded part and the end plate are reliably connected. The steel truss, the connecting component and the stand column are integrated, when the steel truss is deformed under stress and falls off from the stand column, the end plate of the steel truss can be pulled through the connecting component, the steel truss cannot directly fall from the high altitude, and the steel truss is well protected. The whole conveying corridor can not collapse, and the safety of conveyed goods and personnel is effectively guaranteed.
The horizontal height of the embedded part 6 is set to be a structure higher than that of the end plate 3, and the upright post 2 is set to be a structure vertically arranged on the ground 5. Above-mentioned structure, after adapting unit connects tip plate and built-in fitting, adapting unit is the slope column structure, can effectively form the pulling force to the tip plate like this when the steel takes place to warp and drops, ensures to carry corridor safety.
One end of the truss upper chord 8 is connected with the end plate 3, the other end of the truss upper chord 8 is fixedly connected with the steel truss 1, the truss upper chord 8 is arranged to be in a horizontally arranged structure, one end of the truss diagonal rod 9 is connected with the end plate 3, the other end of the truss diagonal rod 9 is fixedly connected with the steel truss 2, and the truss diagonal rod 3 is arranged to be in a diagonally arranged structure. Above-mentioned structure, through setting up and the angle arrangement of truss last quarter 8 and truss diagonal brace 9, ensure that end plate bulk strength is high, bear the weight of the dynamic height when bearing external force, effectively reduce and take place deformation or fracture probability in the use.
When the connecting member 7 is a chain, as shown in fig. 4, the chain comprises a plurality of endless chain elements 12, adjacent chain elements being connected by hooking. Above-mentioned structure can set up the size and the quantity of anchor chain subassembly as required to satisfy 1 user demand of different model steel trusses.
According to the conveying corridor security structure, when the conveying corridor is arranged, the concrete corbels are arranged on the inner sides of the stand columns, the end part plates are arranged at the end parts of the steel trusses, and the end part plates are supported on the concrete corbels, so that the steel trusses and the stand columns are connected and positioned. In order to ensure that the steel truss 1 is reliably supported and is safely connected, the embedded part is arranged on the outer side of the upright post and fixedly connected with the upright post, and then the embedded part is connected with the end plate through the connecting part. Therefore, double guarantee is realized between the steel truss and the upright post, even if the steel truss deforms or falls off, the steel truss and the upright post can be restrained by the connecting part (security cable) when falling off due to the addition of the connecting part, and the steel truss and the upright post cannot suddenly fall off from the air, so that a good safety guarantee effect is realized. The safety protection structure of the conveying corridor, provided by the invention, has the advantages that the structure is simple, the cost is low, the connection mode of the steel truss and the upright post connecting part is improved, when the bolt at the connecting part of the steel truss and the upright post head is damaged, the truss is prevented from suddenly collapsing, the safety of the corridor steel truss is improved, particularly, the falling possibility of a high-altitude corridor in the air is reduced under the condition that the structure of the steel truss is invalid or damaged, and the safety of buildings and personnel is ensured.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.