Search

CN-121977936-A - Intensity detection equipment and detection method for constructional engineering steel structure

CN121977936ACN 121977936 ACN121977936 ACN 121977936ACN-121977936-A

Abstract

The invention relates to the technical field of building structure detection equipment, in particular to strength detection equipment and a detection method for a building engineering steel structure, which comprise a base, a vertical frame and an upper frame body which are fixedly arranged on the upper side of the base, and a hydraulic pressurizing rod and a pressurizing plate which are arranged on the upper frame body, wherein when in pressurizing detection, the strength of the steel structure frame can be detected by utilizing the hydraulic pressurizing rod to pressurize the steel structure frame downwards, and stress conditions of supporting points of each supporting leg can be detected by utilizing a pressure detection plate of a lower supporting plate respectively, therefore, the pressure distribution condition of the steel structure is more comprehensively connected, and the lower support plate can enable the mounting pipe fitting to laterally rotate and misplace under the pushing of the side pushing hydraulic telescopic rod, so that the torsional strength of the steel structure frame is detected, the side pushing hydraulic telescopic rod is matched with the hydraulic pressurizing rod for use, and the further test of the torsional strength of the steel structure frame under the condition of being subjected to certain vertical pressure can be well simulated.

Inventors

  • HUANG ZHIHUI
  • Yue Chuanqing

Assignees

  • 厦门理工学院

Dates

Publication Date
20260505
Application Date
20260408

Claims (8)

  1. 1. The strength detection equipment for the constructional engineering steel structure is characterized by comprising a base (1), a vertical frame (2) and an upper frame body (3) which are fixedly arranged on the upper side of the base (1), and a hydraulic pressurizing rod (4) and a pressurizing plate (5) which are arranged on the upper frame body (3), wherein a rotary placing mechanism (6) for placing the steel structure frame is arranged on the base (1) below the pressurizing plate (5), and the pressurizing plate (5) is used for pressurizing the steel structure frame downwards to detect the bearing capacity; The rotary placement mechanism (6) structurally comprises a plurality of movable support assemblies (61) which are movably arranged on the upper side of the base (1), the movable support assemblies (61) are oppositely arranged, each movable support assembly (61) comprises an upper elastic plate (62) and a lower support plate (63) which are elastically spaced up and down, and the upper elastic plate (62) and the lower support plate (63) are both rotatably connected with the inner wall shaft on the upper side of the base (1); A movable through hole (621) is formed in the middle of the upper elastic plate (62), and an installation pipe fitting (64) for simulating locking connection with the bottom support leg of the steel structure frame is installed on the movable through hole (621) in a sliding mode back and forth; a pressure detection plate (631) is arranged on the upper side of the lower support plate (63) in a protruding manner, the pressure detection plate (631) is positioned below the upper elastic plate (62), and when the upper elastic plate (62) is pressed to downwards displace, the upper elastic plate is abutted against the pressure detection plate (631); the inner wall of the upper side of the base (1) is further provided with a plurality of side pushing hydraulic telescopic rods (65) in annular array distribution in a rotating mode, each side pushing hydraulic telescopic rod (65) is connected with one side of a lower supporting plate (63) of each movable supporting component (61) in a rotating mode, and the torsional strength of the steel structure frame is detected through the side pushing force of each side pushing hydraulic telescopic rod (65).
  2. 2. The strength detection device for the constructional engineering steel structure according to claim 1, wherein a pipe cavity (642) is formed in the middle of the installation pipe fitting (64), a flange hole (643) connected with a flange piece of a support leg of the steel structure frame through a bolt is formed in the upper side of the installation pipe fitting (64), and a sliding plate (641) is rotatably connected to the bottom of the installation pipe fitting (64) and connected with the movable through hole (621) through the sliding plate (641).
  3. 3. The strength detecting device for the steel structure of the building engineering according to claim 2, wherein both sides of the movable through hole (621) are provided with side sliding grooves (622), the sliding plate (641) is slidably mounted on the side sliding grooves (622), and a driving mechanism (66) for driving the sliding plate (641) and the mounting pipe fitting (64) to linearly move is arranged in the middle of the upper elastic plate (62).
  4. 4. A strength detecting apparatus for a steel structure for construction engineering according to claim 3, wherein the driving mechanism (66) includes a screw rod (662) rotatably installed at a central portion of the movable opening (621), the screw rod (662) is threaded through a central portion of the slide plate (641), and a driving motor (661) for driving the screw rod (662) to rotate is installed at one side of the upper elastic plate (62).
  5. 5. The strength detecting device for the steel structure of the building engineering according to claim 4, wherein an elastic component (67) is arranged between the upper elastic plate (62) and the lower supporting plate (63), the elastic component (67) comprises a plurality of upper supporting uprights (671) fixedly arranged, the supporting uprights (671) are penetrated through by the periphery of the upper elastic plate (62) in a sliding manner, springs (672) are sleeved on the supporting uprights (671), the springs (672) are elastically arranged between the upper elastic plate (62) and the lower supporting plate (63), and an upper protruding edge (673) is fixedly arranged at the top of the upper supporting uprights (671) and is clamped with the upper elastic plate (62) through the upper protruding edge (673).
  6. 6. The strength detection device for the constructional engineering steel structure according to claim 5, wherein the inner side of the vertical frame (2) is vertically provided with an inner chute (21), two sides of the pressurizing plate (5) are fixedly provided with guide sliding rods (51), the guide sliding rods (51) are in sliding guide connection with the inner chute (21), and the left side and the right side of the vertical frame (2) are respectively provided with scale marks (22) and correspond to one side of the pressurizing plate (5) and one side of the steel structure frame.
  7. 7. A strength detecting apparatus for a steel structure for construction work according to claim 6, wherein said lower support plate (63) is rotatably mounted with a plurality of balls (632) and is in rolling contact with the upper side of the base (1) through the balls (632).
  8. 8. The method for detecting the strength detecting equipment for the steel structure of the building engineering according to claim 7, comprising the following steps: The mounting pipe fittings (64) of each movable supporting component (61) are adjusted to slide along the movable through holes (621) to a position matched with the bottom supporting legs of the steel structure frame, then the bottom supporting legs of the steel structure frame are inserted into each mounting pipe fitting (64) and are fixed by bolts, the hydraulic pressurizing rods (4) push the pressurizing plates (5) to displace downwards and prop against the upper sides of the steel structure frame, so that the steel structure frame and each upper elastic plate (62) can displace downwards synchronously and prop against the corresponding pressure detecting plates (631), the force borne by each supporting leg of the steel structure frame is detected independently through each pressure detecting plate (631), and the bearing strength of the steel structure is detected under the continuous pressurization of the hydraulic pressurizing rods (4); And moreover, each lower supporting plate (63) is pushed to rotate through each side pushing hydraulic telescopic rod (65), so that the mounting pipe fitting (64) can rotate and misplace laterally, the torsional strength of the steel structure frame is detected, and the side pushing hydraulic telescopic rods (65) are matched with the hydraulic pressurizing rods (4) to be used, so that the steel structure frame can be well simulated to test the torsional strength under the condition of being subjected to vertical pressure.

Description

Intensity detection equipment and detection method for constructional engineering steel structure Technical Field The invention relates to the technical field of building structure detection equipment, in particular to strength detection equipment and a detection method for a building engineering steel structure. Background In the field of construction engineering, the safety of use of steel structures is critical, so that high-efficiency and accurate detection of the strength performance of the steel structures is required. At present, when strength detection is carried out on a triangular or rectangular steel frame, a hydraulic jack is generally adopted to carry out vertical destructive pressure test in the traditional method. The detection mode has the obvious defects that firstly, the pressure structure is single, so that the detection dimension is limited, only the vertical compressive strength parameter can be obtained, the independent stress distribution of each support leg of the steel frame cannot be monitored in real time, the quantitative detection capability of torsional strength is further lacked, structural deviation exists between detection data and actual working conditions, secondly, the installation suitability is serious, most of the existing detection equipment is used for directly pressurizing the steel frame by simply placing the steel frame at a station, the actual combined connection state (such as flange bolt fastening state) of the steel structure cannot be simulated, and the support leg structure which is asymmetric or partially deformed cannot be adapted. Especially when the steel structure frame stabilizer blade appears the position skew because of transportation or processing, the unable pose compensation that realizes of fixed supporting component leads to flange joint hole dislocation and is forced to adopt nonstandard fixed mode, greatly weakens the detection authenticity, consequently, it is necessary to propose a building engineering steel structure with intensity check out test set and detection method to solve the problem that exists among the prior art. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide strength detection equipment and method for a constructional engineering steel structure, so as to solve the problems in the prior art. In order to achieve the aim, the strength detection device for the steel structure of the building engineering comprises a base, a vertical frame, an upper frame body, a hydraulic pressurizing rod and a pressurizing plate, wherein the vertical frame and the upper frame body are fixedly arranged on the upper side of the base; The rotary placement mechanism structure comprises a plurality of movable support assemblies movably mounted on the upper side of the base, the movable support assemblies are oppositely arranged, each movable support assembly comprises an upper elastic plate and a lower support plate which are elastically spaced up and down, and the upper elastic plate and the lower support plate are both rotatably connected with the inner wall shaft on the upper side of the base; a movable through hole is formed in the middle of the upper elastic plate, and a mounting pipe fitting for simulating locking connection with the bottom support leg of the steel structure frame is arranged on the movable through hole in a sliding mode back and forth; The upper side of the lower supporting plate is convexly provided with a pressure detection plate, the pressure detection plate is positioned below the upper elastic plate, and the pressure detection plate is propped against the pressure detection plate after the upper elastic plate is pressed to downwards displace; The inner wall of the upper side of the base is also respectively and rotatably provided with a plurality of side-pushing hydraulic telescopic rods distributed in an annular array, each side-pushing hydraulic telescopic rod is respectively and rotatably connected with one side of a lower supporting plate of each movable supporting assembly, and the torsional strength of the steel structure frame is detected through the side-pushing force of the side-pushing hydraulic telescopic rods. Based on the further improvement of the technical scheme, the middle part of the installation pipe fitting is provided with a pipe cavity, the upper side of the installation pipe fitting is provided with a flange hole connected with a steel structure frame support leg flange piece through a bolt, and the bottom of the installation pipe fitting is rotationally connected with a sliding plate and connected with a movable through hole through the sliding plate. Based on the further improvement of the technical scheme, the two sides of the movable through hole are provided with the side sliding grooves, the sliding plate is slidably arranged on the side sliding grooves, and the middle part of the upper elastic plate is provided with a driving mechanism for driving t