CN219714688U

CN219714688U - Scaffold testing device

Info

Publication number: CN219714688U
Application number: CN202320700257.2U
Authority: CN
Inventors: 于海祥; 侯永松; 左相飞; 邓运彬; 陈波; 李治强
Original assignee: Chongqing Construction Engineering Group Co Ltd
Current assignee: Chongqing Construction Engineering Group Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-09-19
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of constructional engineering and discloses a scaffold testing device which comprises a lower base, an upper distribution beam and a connecting plate, wherein the upper distribution beam comprises two steel main beams, two steel secondary beams and a fixed structure arranged on the steel main beams, and the steel main beams are positioned above the steel secondary beams; the lower base comprises two bottom main beams and two bottom secondary beams, the bottom secondary beams are positioned on the bottom main beams, the bottom main beams are provided with load devices for applying vertical loads, and the load devices are detachably connected with the fixed structure through connecting plates. To provide a load testing device that is easy to assemble.

Description

Scaffold testing device

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a scaffold testing device.

Background

Scaffolding is a temporary structure used in construction engineering to support and provide a working platform, typically consisting of metal tubes, steel pipes, wood or other materials. They are used for installation, maintenance, and finishing work inside and outside a building. The scaffold is mainly used for solving the problems of vertical and horizontal transportation, and providing a safe and reliable working platform and the requirements of supporting a concrete template, high-altitude installation components and the like. In the present construction engineering, the scaffold support system includes a traditional fastener type steel pipe scaffold support system, a bowl-buckling type steel pipe scaffold support system, a bolt type steel pipe scaffold support system and the like. Before engineering practice application, the scaffold support system must pass through a bearing capacity test, wherein the static bearing capacity test refers to that after the scaffold is built, the scaffold is pressurized step by step under the condition of not considering external interference until the designed load or limit load is reached, and the bearing capacity of the scaffold is detected. The existing device for carrying out the bearing capacity test is large in size and inconvenient to assemble and disassemble, so that the device is difficult to flexibly apply to the construction site environment, and therefore, the test device convenient to assemble is needed to be provided.

Disclosure of Invention

The utility model aims to provide a scaffold testing device so as to provide a load testing device which is convenient to assemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the scaffold testing device comprises a lower base, an upper distribution beam and a connecting plate, wherein the upper distribution beam comprises two steel main beams, two steel secondary beams and a fixed structure arranged on the steel main beams, and the steel main beams are positioned above the steel secondary beams; the lower base comprises two bottom main beams and two bottom secondary beams, the bottom secondary beams are positioned on the bottom main beams, the bottom main beams are provided with load devices for applying vertical loads, and the load devices are detachably connected with the fixed structure through connecting plates.

The beneficial effect of this scheme is:

1. the assembly is simple and convenient, and the use is quick. According to the technical scheme, the testing device is formed by combining the steel beam commonly used in the construction site and other steel materials, the structure is simple, the assembly and the forming are convenient, meanwhile, the hardness of the steel materials is high, the use effect can be ensured, the installation time and the labor cost can be reduced, and the use convenience of the device is improved; because the device mainly includes girder steel etc. compare other testing arrangement small, be convenient for remove and dismantle, can be applied to the less place of test area.

2. The method is applicable to testing scaffolds with different heights. Through the arrangement, the test of scaffolds with different heights can be supported through the mode of replacing the connecting plate, the lower base is arranged firstly during use, then the scaffold to be detected is built on the base, then the upper distribution beam is placed on the scaffold through a crane or other devices, then the connecting plate is fixed, and the load device is applied to the upper distribution beam through the connecting plate during operation so as to realize the load test of the scaffold, thereby ensuring the accuracy and precision of the test.

In summary, the scaffold testing device has the advantages of simple and convenient assembly, quick use and applicability to scaffold tests with different heights, and the application of the device is beneficial to improving the safety and reliability of constructional engineering and has practical significance.

Preferably, as an improvement, the load device comprises a square frame, a cross beam, a jack and a sensor fixed on the square frame, wherein the square frame is fixed on the bottom main beam, the cross beam is positioned inside the square frame and is longitudinally and slidably connected with the square frame, and two ends of the jack are respectively fixed with the top of the cross beam and the top of the square frame. The jack is fixed through the square frame, so that the stability of the jack placement can be ensured; the size of the load applied by the load device can be accurately measured by arranging the sensor; and the square frame has simple structure and convenient disassembly and assembly, and can improve the assembly efficiency.

Preferably, as an improvement, the steel main beams and the steel secondary beams are all I-steel, the steel main beams and the steel secondary beams are mutually perpendicular to form an H shape, and the two steel main beams are adjacently placed with a gap in between. Through the arrangement, the I-steel is used as a main material, has good bending resistance and compression resistance, can bear larger load, and the H-shaped structural steel main beam and the steel secondary beam are mutually vertical to form a stable three-dimensional structure, so that the whole testing process is more stable; compared with other materials such as concrete, the I-steel has lighter weight, easy transportation and assembly, and lower use and maintenance cost.

Preferably, as an improvement, the fixing structure comprises a fixing frame, the fixing frame is sleeved on the two steel main beams, the connecting plate penetrates through the two steel main beams and is connected with the fixing frame, and two through holes for the fixing frame to penetrate are formed in the end part of the connecting plate. Through the arrangement, the fixed frames are fixed on the two steel main beams, and the connecting plates also penetrate through the steel main beams to be connected with the fixed frames, so that the fixed structure is tightly connected with the upper distribution beam; the connecting plate is fixed in the mode, so that the stability of the placement of the connecting plate can be ensured, and the connecting plate can accurately transmit load in a subsequent load test.

Preferably, as an improvement, the bottom main beam and the bottom secondary beam are all I-steel, the bottom main beam and the bottom secondary beam are mutually perpendicular to form an H shape, the two bottom main beams are adjacently placed and fixedly connected, a cushion block is arranged below the bottom secondary beam, and the height of the cushion block is the same as that of the bottom main beam. Through the arrangement, the stability of the bottom of the testing device can be ensured; meanwhile, the cushion blocks below the bottom secondary beam can improve the bearing capacity of the bottom secondary beam and prevent the bottom secondary beam from deforming or tilting due to overload; this arrangement is important for scaffolds requiring high load testing.

Preferably, as a modification, the number of the connection plates is 2. Through above-mentioned setting, set up a plurality of connecting plates and can increase the device and bear the ability of load, two connecting plates symmetric distribution help leveling the load of both sides simultaneously, promote device stability.

Preferably, as an improvement, the steel main beams and the steel secondary beams are fixed through high-strength bolts, and the two steel main beams are connected and fixed through at least two connecting strips. The high-strength bolts are arranged to fix the steel main beams and the steel secondary beams, so that the firmness and stability of connection can be ensured, and meanwhile, the scaffold is convenient to disassemble and assemble and can be disassembled and transported conveniently; the connecting strip is arranged so that the two steel main beams do not move, and the stability of the device is ensured.

Drawings

FIG. 1 is a three-dimensional view of an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a lower base according to an embodiment of the utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the steel girder comprises a steel girder body 1, a steel secondary girder 2, a bottom girder 3, a bottom secondary girder 4, a square frame 5, a cross beam 6, a jack 7, a fixed frame 8, a connecting plate 9, a connecting strip 10, a cushion block 11 and a scaffold 12.

Examples

The embodiment is basically as shown in fig. 1-2, and the scaffold testing device as shown in fig. 1 comprises a lower base, an upper distribution beam and a connecting plate 9, wherein the upper distribution beam comprises two steel main beams 1, two steel secondary beams 2 and a fixed structure arranged on the steel main beams 1, and the steel main beams 1 are positioned above the steel secondary beams 2; the lower base is shown in fig. 2 and comprises two bottom main beams 3 and two bottom secondary beams 4, wherein the bottom secondary beams 4 are positioned on the bottom main beams 3, and a load device for applying vertical load is arranged on the bottom main beams 3; the fixed knot constructs including fixed frame 8, and fixed frame 8 cover is established on two steel girders 1, and connecting plate 9 upper end passes from between two steel girders 1 and is connected with fixed frame 8, and two through-holes that make fixed frame 8 pass are seted up to connecting plate 9 upper end.

The load device comprises a square frame 5, a cross beam 6, a jack 7 and a sensor fixed on the square frame 5 through a fastening bolt, wherein the sensor is a displacement sensor, the displacement sensor is used for detecting the moving distance of the cross beam 6 so as to calculate the actual load size, the sensor model in the embodiment is GC033-LWF-300-A1, the square frame 5 is fixed on the bottom main beam 3, the jack 7 is fixed through the arrangement of the square frame 5, the stability of the placement of the jack 7 can be ensured, the cross beam 6 is positioned inside the square frame 5 and is longitudinally and slidably connected with the square frame 5, two ends of the jack 7 are respectively fixed with the tops of the cross beam 6 and the square frame 5, the cross beam 6 is hinged with the lower end of the connecting plate 9, the cross beam 6 is driven to slide downwards when the jack 7 applies load, and the cross beam 6 is driven to move downwards to the connecting plate 9 to transfer load.

The steel main beams 1 and the steel secondary beams 2 are all I-shaped steel, have good bending resistance and compression resistance, can bear larger load, are mutually perpendicular to each other to form an H shape, and are adjacently placed with a gap in the middle. The bottom main beams 3 and the bottom secondary beams 4 are all I-shaped steel, the bottom main beams 3 and the bottom secondary beams 4 are mutually perpendicular to form an H shape, the two bottom main beams 3 are adjacently placed and fixedly connected, a cushion block 11 is arranged below the bottom secondary beams 4, and the heights of the cushion blocks 11 are the same as those of the bottom main beams 3 so as to improve the stability and bearing capacity of the device; the number of the connection plates 9 in the present embodiment is 2, and the symmetrical distribution of the two connection plates 9 as shown in fig. 1 helps to level the load on both sides. The steel main beams 1 and the steel secondary beams 2 are fixed through high-strength bolts, meanwhile, the disassembly and the assembly are convenient, the scaffold 12 can be conveniently disassembled and transported, the two steel main beams 1 are connected and fixed through at least two connecting strips 10, and the stability of the device is guaranteed.

The specific implementation process is as follows:

the crossbeam 6 is located inside the square frame 5 and is longitudinally and slidably connected with the square frame 5, two ends of the jack 7 are respectively fixed with the tops of the crossbeam 6 and the square frame 5, the crossbeam 6 is hinged with the lower end of the connecting plate 9, the crossbeam 6 is driven to slide downwards when the jack 7 applies load, the crossbeam 6 drives the connecting plate 9 to move downwards to transfer load, and the sensor can accurately measure the moving distance of the crossbeam 6 and further measure the size of the load applied by the load device. According to the technical scheme, the testing device is formed by combining the steel beam commonly used in the construction site and other steel materials, the structure is simple, the assembly and the forming are convenient, meanwhile, the hardness of the steel materials is high, the use effect can be ensured, the installation time and the labor cost can be reduced, and the use convenience of the device is improved; because the device mainly comprises a steel beam and the like, compared with other testing devices, the device has small volume, is convenient to move and disassemble, and can be applied to a field with smaller testing area; the test of the scaffolds 12 with different heights can be supported by replacing the connecting plates 9, the lower base is firstly arranged during use, then the scaffold 12 to be detected is built on the base, then the upper distribution beam is placed on the scaffold 12 through a crane or other devices, then the connecting plates 9 are fixed, and the load device is applied to the upper distribution beam through the connecting plates 9 during operation to realize the load test of the scaffold 12, so that the accuracy and precision of the test are ensured.

In summary, the scaffold 12 testing device has the advantages of simple and convenient assembly, quick use and applicability to the testing of scaffolds 12 with different heights, and the application of the device is beneficial to improving the safety and reliability of the building engineering, and has practical significance.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. A scaffold testing arrangement, characterized in that: the upper distribution beam comprises two steel main beams, two steel secondary beams and a fixed structure arranged on the steel main beams, wherein the steel main beams are positioned above the steel secondary beams; the lower base comprises two bottom main beams and two bottom secondary beams, the bottom secondary beams are positioned on the bottom main beams, the bottom main beams are provided with load devices for applying vertical loads, and the load devices are detachably connected with the fixed structure through connecting plates.

2. The scaffold testing device of claim 1, wherein: the load device comprises a square frame, a cross beam, a jack and a sensor fixed on the square frame, wherein the square frame is fixed on the bottom main beam, the cross beam is positioned inside the square frame and is longitudinally and slidably connected with the square frame, and two ends of the jack are respectively fixed with the top of the cross beam and the top of the square frame.

3. The scaffold testing device of claim 2, wherein: the steel main beams and the steel secondary beams are I-shaped steel, the steel main beams and the steel secondary beams are mutually perpendicular to form an H shape, and the two steel main beams are adjacently placed with a gap in the middle.

4. A scaffold testing apparatus according to claim 3, wherein: the fixed knot constructs including fixed frame, and fixed frame cover is established on two steel girders, and the connecting plate passes from between two steel girders and is connected with fixed frame, and two through-holes that make fixed frame pass are seted up to the tip of connecting plate.

5. The scaffold testing device of claim 4, wherein: the bottom girder and the bottom secondary girder are I-steel, the bottom girder and the bottom secondary girder are mutually perpendicular to form an H shape, the two bottom girders are adjacently placed and fixedly connected, a cushion block is arranged below the bottom secondary girder, and the height of the cushion block is the same as that of the bottom girder.

6. The scaffold testing device of claim 5, wherein: the number of the connecting plates is 2.

7. The scaffold testing device of claim 6, wherein: the steel main beams and the steel secondary beams are fixed through high-strength bolts, and the two steel main beams are connected and fixed through at least two connecting strips.