CN215169702U - A cat ladder that is used for cold tower cone segment between steel construction - Google Patents
A cat ladder that is used for cold tower cone segment between steel construction Download PDFInfo
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- CN215169702U CN215169702U CN202120900224.3U CN202120900224U CN215169702U CN 215169702 U CN215169702 U CN 215169702U CN 202120900224 U CN202120900224 U CN 202120900224U CN 215169702 U CN215169702 U CN 215169702U
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Abstract
The utility model belongs to the technical field of the special frock of steel tower construction, concretely relates to a cat ladder that is used for cooling tower conic section between steel construction aims at solving among the prior art steel construction cooling tower cat ladder dangerous great, is unfavorable for the problem of personnel's climbing. The application provides a cat ladder that is used for cold tower conic section between steel construction, including cat ladder body, protection component and stores pylon, wherein, protection component is including protecting cage, guardrail and handrail. This application is used for between steel construction cold tower conic section's cat ladder to compare greatly increased efficiency about personnel with traditional cat ladder, saves time and physical power that constructor went up the tower, has ensured personnel's safety. This application has combined the convenient characteristic of vertical ladder and the convenient security characteristic of steel inclined ladder, will originally belong to the vertical ladder of interim tower-climbing measure and improve and formed and have the semi-fixed steel ladder of steel tower construction characteristics.
Description
Technical Field
The utility model belongs to the technical field of the special frock of steel tower construction, concretely relates to a cat ladder that is used for cold tower conic section between steel construction.
Background
The cooling tower between steel construction is the novel cooling tower type that gradually adopts in our country newly-built power plant in recent years, there is wide development prospect, the construction frock of cooling tower between steel construction is in blank state basically, because current standard has the conditional restriction to the use of steel ladder, consequently, original steel ladder form can't directly be applied to cooling tower structure between steel construction, cooling tower between the steel construction that the internal completion of having constructed generally all adopts the straight ladder that protects the cage in the area from this, this instrument is dangerous great, and be unfavorable for personnel's climbing, therefore, the field needs a safe and reliable, and make things convenient for the cat ladder of site operation to solve or alleviate the emergence of above-mentioned problem at least.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, namely the problems that the ladder stand of the steel structure indirect cooling tower in the prior art is high in danger and not beneficial to climbing of personnel, the application provides the ladder stand for the cone section of the steel structure indirect cooling tower, the ladder stand comprises a ladder stand body, a protection assembly and a hanging frame, and the protection assembly comprises a protection cage, a guardrail and a handrail;
the ladder stand body is composed of ladder pedals and ladder beams, two ends of each ladder pedal are respectively connected with the two ladder beams arranged in parallel, and the ladder pedals are uniformly arranged at intervals along the length direction of the ladder beams;
the top of the ladder stand body is connected with the main body of the steel structure intercooling tower structure through the hanging frame, the bottom of the ladder stand body is fixed through a fixed foundation, the guardrails are arranged on two sides of the ladder stand body, the handrails are vertically arranged on the top of the ladder stand body, and the protective cage is arranged above the ladder stand body;
the protection cage comprises transverse protection cage flat steel and longitudinal protection cage flat steel, the plurality of transverse protection cage flat steel is arranged along the length direction of the ladder stand body at intervals, the transverse protection cage flat steel is of a U-shaped structure, two ends of the transverse protection cage flat steel are respectively connected with guardrails on two sides of the ladder stand body, the longitudinal protection cage flat steel is parallel to the ladder beam and is fixed with the transverse protection cage flat steel, and the plurality of longitudinal protection cage flat steel is arranged along the transverse protection cage flat steel in a circumferential direction.
In some preferred technical schemes, the stores pylon is the shape of falling L and with define out the opening between the cat ladder body and hang the groove downwards, stores pylon one end with this body coupling of cat ladder, the unsettled setting of other end, the cat ladder body passes through the stores pylon slope is hung and is located steel construction intercooling tower structure main part.
In some preferred technical schemes, a waist-shaped hole is formed in the top of the ladder beam, and the waist-shaped hole is used for penetrating through a detachable connecting piece and fixing the hanging rack and the ladder stand body.
In some preferred technical schemes, a pin shaft is arranged at one end of the hanging rack, which is far away from the ladder stand body, and the pin shaft is movably arranged on the hanging rack.
In some preferred technical schemes, a fence is arranged at the fixed position of the bottom of the ladder stand body and the fixed foundation, and the fence comprises fixed fences arranged on two sides of the ladder stand body and a movable door arranged on the front side.
In some preferred embodiments, the enclosure is made of square steel.
In some preferred technical solutions, the fixed foundation is a concrete foundation or a ring beam of a main body structure of a conical section of a steel structure intercooling tower.
In some preferred technical solutions, the step tread is made of a patterned steel plate; the ladder beam is made of channel steel.
In some preferred technical solutions, the step tread is made of a patterned steel plate; the ladder beam is made of channel steel.
In some preferred technical schemes, the top end of the ladder stand also comprises a safety device used for connecting with a climbing person.
In some preferred embodiments, the security device is a climbing auto-lock.
The utility model has the advantages that:
the utility model discloses be applied to cooling tower between steel construction mainly is cooling tower between lattice formula triangle unit steel construction, be particularly useful for more than the individual layer height 10 meters, cone angle is the steel tower form of 60-70 scope. The utility model discloses a cat ladder that is used for cold tower conic section between steel construction compares greatly increased efficiency about personnel with traditional cat ladder to save constructor time and physical power of going up the tower, ensured personnel's safety. This application has combined the convenient characteristic of vertical ladder and the convenient security characteristic of steel inclined ladder, will originally belong to the vertical ladder of interim tower-climbing measure and improve and formed and have the semi-fixed steel ladder of steel tower construction characteristics.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic view of the overall structure of a ladder stand for a conical section of a steel structure indirect cooling tower according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a bottom rail according to an embodiment of the present invention;
FIG. 3 is a schematic view of a cage according to an embodiment of the present invention;
fig. 4 is a schematic view of a hanger according to an embodiment of the present invention;
list of reference numerals:
1-a fixed foundation; 2-a base anchoring end of the ladder stand body; 3-bottom fence post; 4-a warning board; 5-steel ladder beam; 6-bottom rail beam; 7-step tread; 10-longitudinal cage-protecting flat steel; 11-transverse cage-protecting flat steel; 12-bench longitudinal balustrades; 14-bench guardrail posts; 15-cage-protecting foot supports; 16-self-tapping screws; 20-a handrail; 21-top handrail waist-blocking rod; 22-climbing self-lock; 23-a hanger; 24-a pin shaft; 25-kidney shaped hole.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more obvious, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model discloses a ladder stand for a steel structure intercooling tower cone section, which comprises a ladder stand body, a protection component and a hanging frame, wherein the protection component comprises a protection cage, a guardrail and a handrail;
the cat ladder body comprises ladder footboard 7 and steel ladder roof beam 5, and the both ends of ladder footboard 7 are connected with two parallel arrangement's steel ladder roof beam 5 respectively, and the even interval of length direction of a plurality of ladder footboard 7 edge steel ladder roof beam 5 sets up.
The top of the ladder stand body is connected with the main body of the steel structure intercooling tower structure through a hanging frame 23, the bottom of the ladder stand body is fixed through a fixed foundation 1, guardrails are arranged on two sides of the ladder stand body, handrails 20 are vertically arranged on the top of the ladder stand body, and a protective cage is arranged above the ladder stand body;
the protective cage comprises a plurality of transverse protective cage flat steels 11 and a plurality of longitudinal protective cage flat steels 10, the plurality of transverse protective cage flat steels 11 are arranged along the length direction of the ladder stand body at intervals, the transverse protective cage flat steels 11 are of U-shaped structures, the two ends of the transverse protective cage flat steels 11 are respectively connected with guardrails on the two sides of the ladder stand body, the longitudinal protective cage flat steels 10 are parallel to the steel ladder beam 5 and are fixed with the transverse protective cage flat steels 11, and the plurality of longitudinal protective cage flat steels 10 are evenly arranged along the circumferential direction of the transverse protective cage flat steels 11. The cat ladder of this application is integral ground assembly, hoists to needs position installation use after the assembly is accomplished.
In order to be more clear right the utility model discloses a cat ladder for steel construction intercooling tower conic section explains, it is right to combine the figure below the utility model relates to a preferred embodiment expandes the detailed description.
As a preferred embodiment of the utility model, the ladder stand for the conical section of the steel structure intercooling tower of the utility model is shown in fig. 1, and comprises a ladder stand body formed by welding and forming a steel ladder beam 5 and a ladder pedal 7, wherein the ladder pedal 7 is made of a pattern steel plate; the steel ladder roof beam 5 is made by the channel-section steel, and the both ends of ladder footboard 7 are connected with two parallel arrangement's steel ladder roof beam 5 respectively, and the even interval of length direction of a plurality of ladder footboard 7 edge steel ladder roof beam 5 sets up.
Further, the bottom of the ladder body is fixed through a fixed foundation 1, and specifically, referring to fig. 2, the ladder body foundation anchoring end 2 is embedded inside the fixed foundation 1. The fixed foundation 1 is a concrete foundation or a ring beam of a main body structure of a conical section of a steel structure intercooling tower.
Preferably, for the first-layer steel ladder of the indirect cooling tower with the foundation located on the ground, a formwork is erected around the fixed foundation, and C30 concrete is poured, so that the first-layer steel ladder can be formally used after the strength is qualified. The ladder stand used for the second-layer ladder stand and the third-layer ladder stand is provided with a hanging rack similar to the top at the bottom, and is fixed as a fixed foundation 1 through the synergistic effect of the hanging rack and a support frame (steel pipe erection) on a ring beam.
In some preferred embodiments, the fixed part of the bottom of the ladder body and the fixed foundation is provided with a fence made of square steel, and the fence comprises fixed fences arranged on two sides of the ladder body and a movable door arranged on the front side. Referring to the attached drawings, a bottom fence upright post 3 and a bottom fence cross beam 6 form a fixed fence, and in addition, a warning board 4 is arranged outside the fixed fence at the entrance of the steel ladder to play a role in warning and explaining forbidding climbing and related dangers.
The cooling tower structure main part is connected and is fixed between stores pylon 23 and steel construction through the cat ladder body top, specifically, stores pylon 23 be down L shape and with the cat ladder body between define the opening groove of hanging down, 23 one ends of stores pylon and this body coupling of cat ladder, the unsettled setting of the other end, the cat ladder body hangs through 23 slopes of stores pylon and locates the cooling tower structure main part between the steel construction.
Further, 5 tops of steel ladder roof beam are provided with waist type hole 25, and waist type hole 25 is used for dismantling the connecting piece and runs through and fix stores pylon 23 and cat ladder body, and preferably, can dismantle the connecting piece and pass through high strength bolts 26 for the channel-section steel stores pylon as shown in the figure, and before this application of installation, just twist the connection through high strength bolts 26 between stores pylon 23 and the steel ladder roof beam 5. The one end that stores pylon 23 deviates from the cat ladder body is provided with round pin axle 24, and round pin axle 24 activity is installed in stores pylon 23.
This application is when the installation cat ladder, at first moves the cat ladder to the position of use, adopts hoist integral hoisting this application steel ladder to steel tower awl section position, and adjustment steel ladder position and interim fixed basis make it firm, and the adjustment is with upper portion stores pylon 23 for the position of waist type hole 25 and finally screw up high strength bolt 26 to mounting pin axle 24. This structure can make this application cat ladder be applicable to the installation of different angles, and the suitability is strong.
Further, referring to fig. 3, the protection component that the cat ladder body set up includes protects cage, guardrail and handrail, wherein, protects the cage and installs in cat ladder body top, and the guardrail is installed in cat ladder body both sides, and the handrail includes both sides handrail and top handrail, and wherein, the top handrail is vertical to be installed in cat ladder body top.
Specifically, the protective cage is made of flat steel and is connected with handrails on two sides. The protection cage comprises a transverse protection cage flat steel 11 and a longitudinal protection cage flat steel 10, the plurality of transverse protection cage flat steel 11 is arranged along the length direction of the ladder stand body at intervals, the transverse protection cage flat steel 11 is of a U-shaped structure, the two ends of the transverse protection cage flat steel 11 are respectively connected with guardrails on the two sides of the ladder stand body, the longitudinal protection cage flat steel 10 is parallel to the steel ladder beam 5 and is fixed with the transverse protection cage flat steel 11, the plurality of longitudinal protection cage flat steel 10 is uniformly arranged along the circumferential direction of the transverse protection cage flat steel 11, further, the protection cage is further provided with protection cage foot supports 15, the protection cage foot supports 15 which are obliquely arranged in two opposite directions are distributed in a splayed structure, the two ends of the protection cage foot supports 15 are fixed firmly through self-tapping screws 16 respectively, and the stability of the protection cage is supported.
Further, the guardrail includes vertical guardrail 12 of bench and bench guardrail stand 14, and a plurality of bench guardrail stand sets up along cat ladder body length direction interval, and two parallel arrangement's vertical guardrail 12 of bench is connected between each bench guardrail stand 14.
The armrests 20 are made of square steel and flat steel, respectively. Wherein, the top handrail is the U-shaped structure that the opening direction is decurrent, and its vertical setting is in cat ladder body top, and cat ladder body top still is provided with the safety device who is used for connecting the climbing personnel. Specifically, a top handrail waist-blocking rod 21 is arranged in the middle of the handrail 20, and a climbing self-locking device 22 is hung on the top handrail waist-blocking rod 21. The climbing self-locking device 22 is a steel ladder auxiliary facility, so that the safety of personnel up and down is guaranteed, a hanging point is arranged at the top handrail of the steel ladder, and a pull rope is arranged on a hook of the climbing self-locking device 22, so that the personnel can conveniently pull the hook of the self-locking device when going to a tower.
The following describes the installation method of the present application in detail with reference to the examples:
the material models of the steel ladder beam 5 and the ladder footplate 7 are selected according to the design of the height and the inclination angle of the conical section of the steel tower, the blanking length of the steel ladder beam 5 and the width, the size and the number of the ladder footplate 7 are calculated, the length of the bench longitudinal rails 12 and the height of the bench rail posts 14 are designed according to actual needs, blanking is carried out, the guardrails are independently assembled, all the nodes are welded nodes, the whole or segmented installation is completed after the manufacturing, the ladder section guardrails are welded with the channel steel flanges of the steel ladder beams 5, the transverse cage protection flat steel 11 is installed in place on the welded ladder section guardrails through self-tapping nails, the longitudinal cage protection flat steel 10 is connected with the transverse cage protection flat steel 11 in a positioning mode through the self-tapping nails, it should be noted that the distance between the transverse cage protection flat steel 11 is not more than 1000mm, the height of the cage protection is not less than 1800mm, cage protection foot supports 15 are arranged on cage protection vertical rods, and the cage protection foot supports are fixedly fixed through self-tapping screws 16; installing a top handrail and a hanging frame 23, punching a long circular hole 25 at a proper position on the upper part of the ladder beam, primarily screwing the long circular hole and the channel steel hanging frame through a high-strength bolt 26, and welding the welded top handrails 20 and 21 with the ladder sections;
the steel ladder is moved to a use position, the steel ladder is integrally hoisted to the position of a conical section of the steel tower by adopting a crane, the position of the steel ladder is adjusted, the foundation is fixed firmly temporarily, the position of an upper hanging rack 23 is adjusted, a high-strength bolt 26 is finally screwed, a pin shaft 24 is installed, a formwork is erected around the foundation for the first layer of the steel ladder of the intercooling tower with the foundation located on the ground, C30 concrete is poured, the steel ladder can be used formally after the strength is qualified, and the steel ladder used for the second layer and the third layer can be obtained by arranging the hanging rack similar to the top at the bottom and cooperating with a support frame (steel pipe erection) on a ring beam; a climbing self-lock 22 is provided at the top, and a pull rope is provided. In the preferred embodiment of the application, the included angle between the ladder stand for the conical section of the steel structure indirect cooling tower and the horizontal plane is theta, and theta is 64.5 degrees.
In the technical solution in the embodiment of the present application, at least the following technical effects and advantages are provided:
the utility model discloses be applied to cooling tower between steel construction mainly is cooling tower between lattice formula triangle unit steel construction, be particularly useful for more than the individual layer height 10 meters, cone angle is the steel tower form of 60-70 scope. The utility model discloses a cat ladder that is used for cold tower conic section between steel construction compares greatly increased efficiency about personnel with traditional cat ladder to save constructor time and physical power of going up the tower, ensured personnel's safety. This application has combined the convenient characteristic of vertical ladder and the convenient security characteristic of steel inclined ladder, will originally belong to the vertical ladder of interim tower-climbing measure and improve and formed and have the semi-fixed steel ladder of steel tower construction characteristics.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, 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, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. A ladder stand for a steel structure intercooling tower cone section is characterized by comprising a ladder stand body, a protection assembly and a hanging frame, wherein the protection assembly comprises a protection cage, a guardrail and a handrail;
the ladder stand body is composed of ladder pedals and ladder beams, two ends of each ladder pedal are respectively connected with the two ladder beams arranged in parallel, and the ladder pedals are uniformly arranged at intervals along the length direction of the ladder beams;
the top of the ladder stand body is connected with the main body of the steel structure intercooling tower structure through the hanging frame, the bottom of the ladder stand body is fixed through a fixed foundation, the guardrails are arranged on two sides of the ladder stand body, the handrails are vertically arranged on the top of the ladder stand body, and the protective cage is arranged above the ladder stand body;
the protection cage comprises transverse protection cage flat steel and longitudinal protection cage flat steel, the plurality of transverse protection cage flat steel is arranged along the length direction of the ladder stand body at intervals, the transverse protection cage flat steel is of a U-shaped structure, two ends of the transverse protection cage flat steel are respectively connected with guardrails on two sides of the ladder stand body, the longitudinal protection cage flat steel is parallel to the ladder beam and is fixed with the transverse protection cage flat steel, and the plurality of longitudinal protection cage flat steel is arranged along the transverse protection cage flat steel in a circumferential direction.
2. The ladder stand for the conical section of the steel structure indirect cooling tower as claimed in claim 1, wherein the hanging rack is in an inverted L shape and defines a hanging groove with a downward opening with the ladder stand body, one end of the hanging rack is connected with the ladder stand body, the other end of the hanging rack is suspended, and the ladder stand body is obliquely hung on the main body of the steel structure indirect cooling tower through the hanging rack.
3. The ladder stand for the conical section of the steel structure intercooling tower as claimed in claim 2, wherein a waist-shaped hole is formed in the top of the ladder beam, and is used for a detachable connecting piece to penetrate through and fix the hanging frame and the ladder stand body.
4. The ladder stand for the conical section of the steel structure intercooling tower as claimed in claim 3, wherein a pin shaft is arranged at one end of the hanging rack, which is far away from the ladder stand body, and the pin shaft is movably arranged on the hanging rack.
5. The ladder stand for the conical section of the steel-structured indirect cooling tower as claimed in claim 1, wherein a fence is arranged at the fixing position of the bottom of the ladder stand body and a fixed foundation, and the fence comprises fixed fences arranged at two sides of the ladder stand body and a movable door arranged at the front side of the ladder stand body.
6. The ladder for a steel structure intercooling tower cone section of claim 5, wherein the rail is made of square steel.
7. The ladder stand for the conical section of the steel structure intercooling tower of claim 1, wherein the fixed foundation is a concrete foundation or a ring beam of a main body structure of the conical section of the steel structure intercooling tower.
8. The ladder for the conical section of the steel structure intercooling tower of claim 1, wherein the ladder footplate is made of a pattern steel plate; the ladder beam is made of channel steel.
9. The ladder for the conical section of a steel structure intercooling tower of claim 1, wherein the top end of the ladder further comprises a safety device for connecting climbing personnel.
10. The ladder for a steel structure intercooling tower cone section of claim 9, wherein the safety device is a climbing self-lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120900224.3U CN215169702U (en) | 2021-04-28 | 2021-04-28 | A cat ladder that is used for cold tower cone segment between steel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120900224.3U CN215169702U (en) | 2021-04-28 | 2021-04-28 | A cat ladder that is used for cold tower cone segment between steel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215169702U true CN215169702U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120900224.3U Active CN215169702U (en) | 2021-04-28 | 2021-04-28 | A cat ladder that is used for cold tower cone segment between steel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215169702U (en) |
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2021
- 2021-04-28 CN CN202120900224.3U patent/CN215169702U/en active Active
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