CN210401027U - Adjusting screw for loading test system - Google Patents

Abstract

The utility model discloses an adjusting screw of a loading test system, which comprises a screw thread section positioned in the middle, wherein one end of the screw thread section is provided with a fixed nut, and the fixed nut is also fixedly connected with a spherical end surface which is matched with a loading test device of the loading test system for loading contact; the other end of the thread section is provided with a locking nut which is matched and locked with the thread section; the utility model discloses simple structure, the machine-shaping of being convenient for can adjust through carrying out the rotation in same direction or reverse direction moreover, satisfies the load test system that its was used well and carries out the various slopes of real-time simulation building engineering workpiece foundation and subsides the operating mode.

Description

Adjusting screw for loading test system

Technical Field

The utility model belongs to a civil engineering load part for test system, concretely relates to load test system's adjusting screw.

Background

In order to control the quality of an engineering part and further ensure the construction quality of civil engineering, a load testing system is adopted in the prior art to detect the load bearing and loading performance of the engineering part. However, the existing engineering beam column loading test system can only simply carry out loading detection on the load bearing of the engineering part in the whole direction, cannot simulate the inclined settlement of the foundation of the building engineering part, cannot obtain the load size, distribution, deformation and strain of the engineering part structure at different positions, and finally cannot carry out scientific and complete safety performance evaluation on the engineering part structure.

Therefore, the market is eagerly seeking a technical solution to improve the above technical problems.

Disclosure of Invention

In view of this, the utility model aims at providing a loading test system's adjusting screw, simple structure, the machine-shaping of being convenient for can satisfy its applied loading test system well and carry out the various slope settlement operating modes on real-time simulation building engineering workpiece foundation moreover through carrying out the rotation regulation in same direction or reverse direction.

The utility model adopts the technical scheme as follows:

an adjusting screw of a loading test system comprises a threaded section positioned in the middle, wherein one end of the threaded section is provided with a fixing nut, the fixing nut is also fixedly connected with a spherical end surface, and the spherical end surface is matched with a loading test device of the loading test system for loading contact; and the other end of the thread section is provided with a locking nut which is matched and locked with the thread section.

Preferably, the spherical end surface and the fixing nut are fixedly welded into a whole.

Preferably, a round hole for contact stress is arranged at the center of the spherical end surface.

Preferably, the loading test system comprises a loading base, a loading mounting beam and a hydraulic loading mechanism, wherein the loading base is fixed into a whole, the loading mounting beam is positioned above the loading base, the loading base is connected with a loading test bench for placing engineering parts through a plurality of adjusting screws in an installing manner, and the spherical end surfaces of the adjusting screws are matched with and in loading contact with the lower end surface of the loading test bench; the output shaft of the hydraulic loading mechanism is fixedly connected with a sliding frame, the sliding frame is installed on the loading installation beam in a vertically sliding mode, a loading pressure block used for loading engineering parts is connected to the sliding frame through a plurality of adjusting screws in an installing mode, and the spherical end face of each adjusting screw is in matched loading contact with the upper end face of the loading pressure block.

The utility model provides an adopt respectively through adjusting screw and corresponding loading pressure piece, loading testboard cooperation loading contact from top to bottom, can correspond the inclination and the settlement depth that realize loading testboard and loading pressure piece through lower adjusting screw and the last adjusting screw who adjusts difference along the contra-rotating respectively, and engineering spare is located between loading testboard and the loading pressure piece, and then can realize the loading performance test under different inclination and settlement depth operating mode environment to engineering spare upper and lower terminal surface, obtain the load size and the distribution of engineering spare structure in different positions, warp and the condition of meeting an emergency, ensure the utility model discloses carry out scientific complete security performance aassessment to engineering spare structure; the utility model is also suitable for the experimental teaching of the structural damage recognition and the health monitoring;

the utility model discloses still preferably provide and set up the installation counter bore that is array shape and arranges on loading base and loading pressure piece respectively, the installation counter bore all can cooperate with adjusting screw cartridge for respectively adjust the mounted position of loading base and loading pressure piece, ensure the utility model discloses the universality is wide;

the utility model discloses still further preferably provide and set up the mounting hole that is array shape and arranges on the loading testboard, install the protection screw rod that can dismantle and can adjust the height in this mounting hole, can ensure that the engineering piece that is located on the loading testboard can not outwards jump out, ensure the safe operation in the test process, and the protection screw rod can freely dismantle also can carry out the height adjustment, therefore, can satisfy the test protection demand that has different specification engineering pieces;

aiming at the problem that the end face of a conventional adjusting screw is generally an inner hexagonal cylindrical surface, when working conditions with different inclination angles are simulated, the loading contact stress direction between part of the adjusting screw and a loading test bench or a loading pressure block is also inclined, and finally, an engineering piece cannot obtain expected loading pressure, so that the test result is inaccurate, and meanwhile, the potential safety hazard that the engineering piece is bounced out exists, the utility model further preferably creatively provides the adjusting screw with a spherical end face, the spherical end face is respectively matched and loaded and contacted with the lower end face of the loading test bench and the upper end face of the loading pressure block, the spherical end face structure can ensure that the loading contact stress direction between the adjusting screw and the loading test bench and the loading pressure block is always in the vertical linear direction, so as to ensure that the engineering piece is accurately tested under the expected loading pressure test condition, meanwhile, the potential safety hazard that the engineering piece is bounced out can be avoided;

the utility model discloses still further preferred the adjusting screw who provides load test system, specifically including the screw thread section that is located the centre, and set up fixation nut at its one end, through fixation nut fixed connection ball-type terminal surface, set up the lock nut rather than cooperation locking connection at the other end of screw thread section, simple structure, the machine-shaping of being convenient for can adjust through carrying out the rotation in same direction or reverse direction, satisfy the load test system that its was used well and carry out the various slopes of real-time simulation building engineering spare basis and subside the operating mode.

Drawings

Fig. 1 is a schematic structural diagram of a engineering beam column loading test system 100 according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the mounting structure of the loading test station 150 and the loading base 110 in FIG. 1;

FIG. 4 is a schematic illustration of the exploded structure of FIG. 3;

fig. 5 is a schematic structural view of an adjusting screw 300 according to an embodiment of the present invention (threads not shown).

Detailed Description

The embodiment of the utility model discloses an adjusting screw of a loading test system, which comprises a thread section positioned in the middle, wherein one end of the thread section is provided with a fixed nut, and the fixed nut is also fixedly connected with a spherical end surface which is matched with a loading test device of the loading test system for loading contact; the other end of the thread section is provided with a locking nut which is matched and locked with the thread section.

The embodiment of the utility model provides a preferably provide loading test system's adjusting screw, specifically including the screw thread section that is located the centre, and set up fixation nut at its one end, through fixation nut fixed connection ball-type terminal surface, set up the lock nut rather than cooperation locking connection at the other end of screw thread section, simple structure, the machine-shaping of being convenient for can adjust through carrying out the anterograde contra rotation in addition, satisfy its loading test system who uses well and carry out the various slope settlement operating modes on real time simulation building engineering spare basis.

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, an engineering beam-column loading test system 100 includes a loading base 110 fixed as a whole, a loading mounting beam 120 located above the loading base 110, and a hydraulic loading mechanism 130, wherein the loading base 110 is connected to a loading test platform 150 for placing an engineering piece 200 through a plurality of lower adjusting screws 140, an output shaft 131 of the hydraulic loading mechanism 130 is fixedly connected to a carriage 121, the carriage 121 is slidably mounted on the loading mounting beam 110 up and down, and the carriage 121 is connected to a loading pressure block 170 for loading the engineering piece 200 through a plurality of upper adjusting screws 160; the upper end part of the lower adjusting screw 140 is in matched loading contact with the lower end surface of the loading test platform 150, and the lower end part of the upper adjusting screw 160 is in matched loading contact with the upper end surface of the loading pressure block 170; the free adjustment of the inclination angles and the sedimentation depths of the loading test bench 150 and the loading pressure block 170 can be correspondingly realized by respectively rotating and adjusting the lower adjusting screw 140 and the upper adjusting screw 160 in the forward and reverse directions;

preferably, in this embodiment, the loading base 110 is provided with a plurality of mounting counterbores 111 arranged in an array shape, and the mounting counterbores 111 are connected with the lower adjusting screw 140 in a plug-in fit manner, so as to adjust the mounting position of the loading test platform 150; the sliding frame 121 is provided with a plurality of mounting counter bores (not shown) arranged in an array shape, and the mounting counter bores are connected with the upper adjusting screw 160 in a plugging fit manner and used for adjusting the mounting position of the loading pressure block 170;

preferably, in the present embodiment, a lower locking nut 141 is correspondingly provided at the lower end of each lower adjusting screw 140, and an upper locking nut 161 is correspondingly provided at the upper end of each upper adjusting screw 160;

preferably, in this embodiment, a lower locking screw 181 is disposed at the center between the loading test platform 150 and the loading base 110, and an upper locking screw 182 is disposed at the center between the loading pressure block 170 and the sliding rack 121;

preferably, in this embodiment, the loading test platform 150 is provided with a plurality of mounting holes 151 arranged in an array shape, and the detachable and height-adjustable guard screw 190 is installed in the mounting holes 151;

preferably, in this embodiment, the engineering beam-column loading test system 100 is further provided with a strain sensor (not shown) mounted on the engineering member 200, the strain sensor is in signal connection with an external data storage device, and any one of the prior art may be specifically adopted, and the embodiment is not specifically described again;

preferably, in the present embodiment, the loading base 110 and the loading mounting beam 120 are fixedly welded into a whole;

preferably, in the present embodiment, the upper adjusting screw 140 and the lower adjusting screw 160 both adopt the adjusting screw 300 shown in fig. 5, which includes a threaded section 310 located in the middle, one end of the threaded section 310 is provided with a fixing nut 320, and the fixing nut 320 is further fixedly connected with a spherical end surface 330; the other end of the thread section 310 is provided with a locking nut which is matched and locked with the thread section; preferably, in the present embodiment, the spherical end surface 330 is fixedly welded with the fixing nut 320 as a whole; further preferably, in the present embodiment, a round hole 331 for contact stress is provided at the center of the spherical end surface 330; the spherical end surface 330 of the upper adjusting screw 140 is in loading contact with the lower end surface of the loading test platform 150, and the spherical end surface 330 of the lower adjusting screw 160 is in loading contact with the upper end surface of the loading pressure block 170.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. An adjusting screw of a loading test system comprises a screw thread section positioned in the middle, and is characterized in that one end of the screw thread section is provided with a fixed nut, the fixed nut is also fixedly connected with a spherical end surface, and the spherical end surface is matched with a loading test device of the loading test system for loading contact; and the other end of the thread section is provided with a locking nut which is matched and locked with the thread section.

2. The adjusting screw of a loading test system of claim 1, wherein the spherical end surface is fixedly welded with the fixing nut as a whole.

3. The adjusting screw of the loading test system according to claim 1, wherein a circular hole for contact stress is provided at the center of the spherical end surface.

4. The adjusting screw of the loading test system according to claim 1, wherein the loading test system comprises a loading base, a loading mounting beam and a hydraulic loading mechanism, the loading base is fixed as a whole, the loading mounting beam and the hydraulic loading mechanism are positioned above the loading base, the loading base is connected with a loading test platform for placing engineering parts through a plurality of adjusting screws, and the spherical end surface of each adjusting screw is matched with and in loading contact with the lower end surface of the loading test platform; the output shaft of the hydraulic loading mechanism is fixedly connected with a sliding frame, the sliding frame is installed on the loading installation beam in a vertically sliding mode, a loading pressure block used for loading engineering parts is connected to the sliding frame through a plurality of adjusting screws in an installing mode, and the spherical end face of each adjusting screw is in matched loading contact with the upper end face of the loading pressure block.

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