CN210507564U

CN210507564U - Portable tubular pile bending test device

Info

Publication number: CN210507564U
Application number: CN201921268998.8U
Authority: CN
Inventors: 毕大君; 陈小川; 孙晓凯; 陶俊; 杨泽东; 王飞
Original assignee: Quality Of Contruction In Anhui Province Supervision And Inspection Station; Anhui Institute of Architectural Research and Design
Current assignee: Anhui Construction Engineering Testing Technology Group Co ltd; Anhui Institute of Architectural Research and Design
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a mobile pipe pile bending resistance test device, which comprises a gantry frame, a track and a support, the support is fixedly arranged between the tracks, and the gantry spans both sides of the support and is connected with the gantry through rollers arranged at the bottom of the support. The rails are connected in a rolling manner. Several base brackets matching the gantry are fixed symmetrically on both sides of the rail. The side walls of the base bracket and the bottom side wall of the gantry are matched with through holes for the insertion and removal of cylindrical pins. The bottom of the top beam of the gantry is vertically The direction is fixed to connect the transmission column, the load generator and the load distribution beam in sequence. The utility model not only solves the problems of difficult hoisting of the pipe pile and complicated disassembly of the equipment in the anti-bending test of the pipe pile, but also eliminates the adverse effects on the equipment, especially the rollers and the rails, caused by the stress concentration, and has high practicability.

Description

Portable tubular pile bending test device

Technical Field

The utility model relates to a tubular pile bending test field, concretely relates to portable tubular pile bending test device.

Background

The tubular pile is an important pile foundation material, and is widely applied to foundation engineering of various buildings by virtue of the advantages of high single-pile bearing capacity, high construction speed, good bending resistance and the like. According to the relevant requirements in the prior pretensioning prestressed concrete pipe pile (GB 1376-2009) in China, the pipe pile is subjected to a corresponding bending test when leaving a factory. At present, in the traditional tubular pile bending resistance equipment, equipment such as a reaction frame, a beam and a jack on the upper part of the equipment needs to be dismantled one by one and then tubular piles are hung into corresponding positions of a support, and the process is extremely complex and low in efficiency. In order to solve the problem, ZL 201820403212.8 proposes a sliding tubular pile bending test device, which simplifies the operation steps of the tubular pile bending test equipment, but when the equipment is used for bending test, the reaction force applied by the jack is all acted on the wheels and the rails arranged on the equipment, so that the phenomenon of stress concentration is easily caused, the wheels and the rails are certainly damaged after long-term use, and the durability of the equipment cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a portable tubular pile bending test device for solve foretell problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a portable tubular pile bending test device, includes portal frame, track and support, its characterized in that: the support is fixedly arranged between the rails, at least two supporting pads are arranged above the support at intervals, the portal frame stretches across two sides of the support and is in rolling connection with the rails through rollers arranged at the bottom of the portal frame, a plurality of pairs of base supports matched with the portal frame are symmetrically and fixedly arranged at two sides of the rails, through holes for inserting and pulling cylindrical pins are formed in the side walls of the base supports and the side walls of the bottom of the portal frame in a matched mode, and the top cross beam of the portal frame is fixedly connected with the transmission columns, the load generators and the load distribution beams in sequence along the vertical direction below.

Preferably, the base support is fixed with the ground through a high-strength bolt.

Preferably, the center above the load distribution beam is fixedly connected with the load generator, and a pressure pad is arranged below the load distribution beam.

Preferably, the support pad and the pressure pad are respectively hinged above the support and below the load distribution beam in a rolling manner.

Preferably, the load generator is one of a hydraulic jack or a pneumatic cylinder.

Preferably, a pressure sensor is arranged on the carrier generator.

Preferably, the portal frame is locked and fixed when the cylindrical pin is inserted into the through hole, and the portal frame freely slides on the track when the cylindrical pin is pulled out.

Preferably, the number of the pressure pads is at least two.

Preferably, the central connecting line of the support pad and the central connecting line of the pressure pad are parallel and in the same vertical plane.

Preferably, at least two of the support pads are symmetrical about a line connecting the pair of base supports.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses tubular pile bending resistance test's preparation work has been simplified greatly, only need extract the cylindric lock of portal frame before experimental, the portal frame can slide along corresponding track, move the portal frame to both sides, the tubular pile can be easily placed on the support, only need place this bolt on the portal frame again during experiment, the portal frame can be fixed, can be smooth experiment this moment, experimental efficiency has effectively been improved, further because the track only is used for the slip of portal frame, so its born load pressure is less, long-term use can not cause wheel and orbital damage, the adverse effect that causes equipment has been reduced.

The significant advances and outstanding benefits of the present invention over the prior art are further illustrated in the examples section.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a three-dimensional structure of a mobile tubular pile bending test device of the present invention;

fig. 2 is a schematic view of the front view structure of the mobile pipe pile bending test device of the present invention;

fig. 3 is the utility model relates to a track and gyro wheel junction enlarged structure schematic diagram of portable tubular pile bending test device.

Detailed Description

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

Example 1

As shown in fig. 1 to 3, the bending test device for a mobile tubular pile of this embodiment includes a portal frame 1, rails 2 and supports 3, two supports 3 are fixedly disposed between the rails 2, and of course, one or more supports may be disposed as required, in this embodiment, support pads 4 are respectively disposed on the two supports 3, the portal frame 1 spans two sides of the supports 3 and is connected with the rails 2 in a rolling manner through rollers 5 disposed at the bottom of the supports, two pairs of

base brackets

61 and 62 matched with the portal frame 1 are symmetrically and fixedly disposed at two sides of the rails 2, the

base brackets

61 and 62 in this embodiment are fixed to the ground through high-strength bolts 12, the two support pads 4 are symmetrical with respect to a connecting line of the base 62 brackets, through holes 7 for inserting and pulling cylindrical pins are disposed on the side walls of the

base brackets

61 and 62 and the side wall at the bottom of the portal frame 1 in a matching manner, the portal frame 1 is locked and fixed when the, when the cylindrical pin 8 is pulled out, the portal frame 1 freely slides on the track 2;

a transmission column 8, a load generator 9 and a load distribution beam 10 are sequentially and fixedly connected below a cross beam at the top of the portal frame 1 along the vertical direction; the upper center of the load distribution beam 10 is fixedly connected with the load generator 9, and a pressure pad 11 is arranged below the load distribution beam; in the embodiment, the support pad 4 and the pressure pad 11 are respectively hinged above the support 3 and below the load distribution beam 10 in a rolling way;

the load generator 9 in this embodiment is a hydraulic jack, a pressure sensor is arranged on the hydraulic jack, and the magnitude of the control applied pressure can be intuitively known through the pressure sensor;

the support pads 4 or the pressure pads 11 in the embodiment are two, and can be set as required, and the support pads 4 or the pressure pads 11 can effectively fix the tubular pile and reduce the damage caused by non-test requirements.

In this embodiment, the center line of the supporting pad 4 is parallel to the center line of the pressing pad 11 and in the same vertical plane.

The utility model discloses a theory of operation does:

taking out the cylindrical pin 8 from the through hole 7, and enabling the portal frame 1 to slide to the outer sides of the two supports 3 through the rails 2, so that the tubular pile is conveniently and directly hung on the support pad 4; then, the portal frame 1 slides to the middle of the two supports 3 through the rail 2, and the cylindrical pin 8 is inserted into the through hole 7, so that the portal frame 1 is fixed; according to the requirements of test specifications, gradually applying load through a hydraulic jack 9, transmitting the load to a load distribution beam 10 through a portal frame 1 through a transmission column 8, and finally applying the load to the tubular pile through two pressure pads 11; the cylindrical pin 8 is pulled out from the through hole 7, so that the portal frame 1 slides to the outer sides of the two supports 3 through the rails 2, and the tubular pile is directly hung away conveniently.

The portable tubular pile bending test device of this embodiment has not only solved the tubular pile bending test and has hung the difficult, complicated problem of equipment dismantlement of stake, has eliminated the especially gyro wheel of stress concentration brought and orbital adverse effect to equipment simultaneously, has higher practicality.

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

1. The utility model provides a portable tubular pile bending test device, includes portal frame, track and support, its characterized in that: the support is fixedly arranged between the rails, at least two supporting pads are arranged above the support at intervals, the portal frame stretches across two sides of the support and is in rolling connection with the rails through rollers arranged at the bottom of the portal frame, a plurality of pairs of base supports matched with the portal frame are symmetrically and fixedly arranged at two sides of the rails, through holes for inserting and pulling cylindrical pins are formed in the side walls of the base supports and the side walls of the bottom of the portal frame in a matched mode, and the top cross beam of the portal frame is fixedly connected with the transmission columns, the load generators and the load distribution beams in sequence along the vertical direction below.

2. The mobile pipe pile bending test device of claim 1, wherein the base support is fixed to the ground through high-strength bolts.

3. The mobile tubular pile bending test device of claim 1, wherein the load distribution beam is fixedly connected with the load generator at the upper center and provided with a pressure pad at the lower side.

4. The mobile tubular pile bending test device of claim 3, wherein the support pad and the pressure pad are respectively hinged above the support and below the load distribution beam in a rolling manner.

5. The mobile pipe pile bending test device according to claim 1, wherein the load generator is one of a hydraulic jack or a pneumatic cylinder.

6. The device for testing bending resistance of mobile tubular pile according to claim 1, wherein the load generator is provided with a pressure sensor.

7. The device of claim 1, wherein the gantry is locked and fixed when the cylindrical pin is inserted into the through hole, and the gantry freely slides on the rail when the cylindrical pin is pulled out.

8. The portable tubular pile bending test device of claim 3, wherein the number of the pressure pads is at least two.

9. The mobile tubular pile bending test device of claim 8, wherein the center connecting line of the support pad and the center connecting line of the pressure pad are parallel and in the same vertical plane.

10. The apparatus of claim 8, wherein at least two of the support pads are symmetrical with respect to a line connecting the pair of base frames.