CN211447051U

CN211447051U - Reference beam device for pile foundation static load test

Info

Publication number: CN211447051U
Application number: CN201922269160.7U
Authority: CN
Inventors: 叶东晖; 莫旺松; 杨志辉
Original assignee: Guangxi Liuzhou Zhongheng Weigh Engineering Bridge Testing Consulting Co ltd
Current assignee: Guangxi Liuzhou Zhongheng Weigh Engineering Bridge Testing Consulting Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-08
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a benchmark roof beam device for pile foundation static test, include: one end of the reference beam is fixed on the first mounting seat, the other end of the reference beam is placed on the second mounting seat, the reference beam comprises a plurality of reference beam sections, any one reference beam section comprises three main beams which are parallel to each other and horizontally placed, and connecting lines of longitudinal sections of the three main beams form an equilateral triangle; a plurality of reinforcing beams which are arranged among the three main beams at intervals, wherein any reinforcing beam is an equilateral triangle, and three vertexes of the reinforcing beam are respectively welded on the three main beams; the connecting pieces are arranged between adjacent reference beam sections, each connecting piece comprises two connecting plates which are respectively welded on the main beams of the connecting ends of the adjacent reference beam sections, a plurality of first holes are formed in the two connecting plates along the axial direction of the main beams, and the two connecting plates are locked through first screw and nut assemblies. The utility model has the advantages of adjustable length, the transportation of being convenient for, installation effectiveness is high.

Description

Reference beam device for pile foundation static load test

Technical Field

The utility model relates to a pile foundation detection area. More specifically, the utility model relates to a benchmark roof beam device for pile foundation static test.

Background

In the static load test detection of the pile foundation, a reference beam is required to have certain rigidity, one end of the reference beam is required to be fixed on a reference pile, and the other end of the reference beam is required to be simply supported on the reference pile. At present, the length of a common reference beam is generally fixed, customization is required to be carried out according to the detection requirement of an actual pile foundation static load test, and for a large-scale flat plate load test, the length of the reference beam is more than 12 meters, so that the transportation and installation are very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a benchmark roof beam device for pile foundation static test, its adjustable length, the transportation of being convenient for, the installation effectiveness is high.

In order to realize the basis the utility model discloses an object and other advantages provide a benchmark roof beam device for pile foundation static test, include: one end of the reference beam is fixed on the first mounting seat, the other end is placed on the second mounting seat, wherein,

the reference beam comprises a plurality of reference beam sections, wherein any one of the reference beam sections comprises three main beams which are parallel to each other and horizontally arranged, and the connecting lines of the longitudinal sections of the three main beams form an equilateral triangle; a plurality of reinforcing beams which are arranged among the three main beams at intervals, wherein any reinforcing beam is an equilateral triangle, and three vertexes of the reinforcing beam are respectively welded on the three main beams; the connecting pieces are arranged between adjacent reference beam sections, each connecting piece comprises two connecting plates which are respectively welded on the main beams of the connecting ends of the adjacent reference beam sections, a plurality of first holes are formed in the two connecting plates along the axial direction of the main beams, and the two connecting plates are locked through first screw and nut assemblies.

Preferably, the three main beams of the reference beam device for the static load test of the pile foundation are all made of seamless steel tubes with the diameter of 40mm, the length of each main beam is 6m, and the distance between every two adjacent main beams is 30 cm.

Preferably, the reference beam device for the static load test of the pile foundation is characterized in that the reinforcing beam is an equilateral triangle formed by three seamless steel pipes with the diameter of 20mm, and the distance between every two adjacent reinforcing beams is 90 cm.

Preferably, the reference beam device for the static load test of the pile foundation is characterized in that any connecting plate is a circular steel plate, the circular steel plate is vertically sleeved at one end of the main beam and is welded and fixed, and 4 first holes are formed in the connecting plate at equal intervals along the circumferential direction of the connecting plate.

Preferably, the reference beam device for the static load test of the pile foundation, the first mounting seat comprises: the first mounting plate is horizontally fixed on the reference pile; the side plate is vertically arranged, and the bottom of the side plate is fixedly connected with one side edge of the first mounting plate; the two first limiting grooves are arranged on the first mounting plate in parallel and are matched with the main beam; the two fixing pieces are respectively arranged above one ends, close to the side plates, of the two first limiting grooves, each fixing piece comprises a fixing plate, the fixing plate is horizontally arranged and fixedly connected with the top of the side plate, a first opening is formed in the middle of the fixing plate along the length direction of the first limiting grooves, an adjusting plate is vertically arranged in the first opening, a second opening is formed in the middle of the adjusting plate along the height direction of the adjusting plate, a U-shaped handle is arranged at the top of the adjusting plate, the two lug plates are respectively arranged on two sides of the first opening, second openings are formed in the positions, opposite to the second openings, of the two lug plates, and the two lug plates and the adjusting plate are locked through a second screw and nut assembly; and the top of the main beam connected with the first mounting seat is provided with a third opening opposite to the adjusting plate.

Preferably, the reference beam device for the static load test of the pile foundation, the second mounting seat comprises: the second mounting plate is horizontally fixed on the reference pile; and the two second limiting grooves are arranged on the second mounting plate in parallel and are matched with the main beam.

The utility model discloses at least, include following beneficial effect:

firstly, dividing a reference beam into a plurality of reference beam sections, and connecting the sections through connecting pieces, so that the length of the reference beam is adjustable, and the transportation and installation are convenient;

and secondly, the three main beams are arranged along the vertexes of the equilateral triangles, and the reinforcing beams of the equilateral triangles are additionally arranged among the three main beams, so that the rigidity of the reference beam is increased, the deflection is reduced, the reference beam is more stable after being installed, and the error of a static load test of the pile foundation is reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a reference beam according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a first mounting base according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second mounting seat according to an embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the utility model provides a benchmark roof beam device for pile foundation static load test, include: one end of the reference beam is fixed on the first mounting seat, and the other end of the reference beam is placed on the second mounting seat, wherein the reference beam comprises a plurality of reference beam sections, any one reference beam section comprises three main beams 1 which are parallel to each other and horizontally placed, and the connecting lines of the longitudinal sections of the three main beams 1 form an equilateral triangle; a plurality of reinforcing beams 2 which are arranged among the three main beams 1 at intervals, wherein any reinforcing beam 2 is an equilateral triangle, and three vertexes of the reinforcing beam 2 are respectively welded on the three main beams 1; a plurality of connecting pieces 3, it sets up between adjacent benchmark beam segment, and arbitrary connecting piece includes two connecting plates 31, and it welds respectively on the girder 1 of the link of adjacent benchmark beam segment, follow on two connecting plates 31 the axial of girder 1 is equipped with a plurality of first trompils, two connecting plates 31 are through passing locking is realized to first screw nut subassembly 32 of first trompil to couple together two adjacent benchmark beam segments, during the use, as required, assemble benchmark beam segment can.

The novel experimental device has the advantages that the reference beam is divided into a plurality of reference beam sections, and the sections are connected through the connecting pieces, so that the length of the reference beam is adjustable, and the transportation and the installation are convenient; the three main beams are arranged along the vertexes of the equilateral triangles, and the reinforcing beams of the equilateral triangles are additionally arranged among the three main beams, so that the reference beam sections form a triangular prism-shaped steel mesh structure, the rigidity of the reference beam is increased, the deflection is reduced, the reference beam is more stable after being installed, and the error of a pile foundation static load test is reduced.

In another technical scheme, as shown in fig. 1, in the reference beam device for the static load test of the pile foundation, the three main beams 1 are all made of seamless steel pipes with the diameter of 40mm, the length of each main beam is 6m, and the distance between every two adjacent main beams is 30 cm. Here, a specific composition and structure of the main beam is preferred so that the rigidity of the main beam satisfies the requirements.

In another technical solution, as shown in fig. 1, in the reference beam device for the static load test of the pile foundation, the reinforcing beam 2 is an equilateral triangle formed by three seamless steel pipes with a diameter of 20mm, and the distance between two adjacent reinforcing beams 2 is 90 cm. Here, a specific composition and structure of the reinforcing beam is preferable to further improve the rigidity of the reference beam.

In another technical solution, as shown in fig. 1, in the reference beam device for the static load test of the pile foundation, any connecting plate 31 is a circular steel plate, which is vertically sleeved at one end of the main beam 1 and welded and fixed, and 4 first openings are formed in the connecting plate 31 at equal intervals along the circumferential direction of the connecting plate. Here, a specific structure of the connection plate is preferable to facilitate installation.

In another embodiment, as shown in fig. 2, the first mounting seat includes: a first mounting plate 4 horizontally fixed to the reference pile 5; the side plate 6 is vertically arranged, and the bottom of the side plate is fixedly connected with one side edge of the first mounting plate 4; the two first limiting grooves 7 are arranged on the first mounting plate 4 in parallel and are matched with the main beam 1; the two fixing pieces 8 are respectively arranged above one ends, close to the side plates 6, of the two first limiting grooves 7, any fixing piece 8 comprises a fixing plate 81, the fixing plate 81 is horizontally arranged and fixedly connected with the tops of the side plates 6, a first opening is formed in the middle of the fixing plate 81 along the length direction of the first limiting grooves 7, an adjusting plate 82 is vertically arranged in the first opening, a second opening is formed in the middle of the adjusting plate 82 along the height direction of the adjusting plate, a U-shaped handle is arranged at the top of the adjusting plate, two lug plates 83 are respectively arranged on two sides of the first opening, second openings are formed in the positions, opposite to the second openings, of the two lug plates 83, and the adjusting plate 82 is locked through a second screw and nut assembly 84; and a third opening opposite to the adjusting plate 82 is formed in the top of the main beam 1 connected with the first mounting seat. Here, the concrete structure of first mount pad has been preferred to in order to fix the one end of benchmark roof beam on first mount pad, during the use, establish two girders of the one end of benchmark roof beam in two first spacing grooves respectively the card, realize preliminary fixed, then, move down the regulating plate through the handle, make the regulating plate insert in the third opening of girder until the bottom of regulating plate and the bottom contact of girder, rethread second screw nut subassembly locks two otic placodes and regulating plate, make the regulating plate can not remove, can.

In another embodiment, as shown in fig. 3, the second mounting seat includes: a second mounting plate 9 horizontally fixed to the reference pile 5; and the two second limiting grooves 10 are arranged on the second mounting plate 9 in parallel and are matched with the main beam 1. Here, the structure of second mount pad has been preferred to place the other end of benchmark roof beam on the second mount pad, during the use, directly establish two girder blocks respectively of the other end of benchmark roof beam in two second spacing grooves, can.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A benchmark roof beam device for pile foundation static test, its characterized in that includes: one end of the reference beam is fixed on the first mounting seat, the other end is placed on the second mounting seat, wherein,

2. The reference beam device for the static load test of the pile foundation as claimed in claim 1, wherein the three main beams are made of seamless steel pipes with a diameter of 40mm, each main beam has a length of 6m, and the distance between adjacent main beams is 30 cm.

3. The reference beam apparatus for the static test of the pile foundation according to claim 1, wherein the reinforcing beams are equilateral triangles consisting of three seamless steel pipes with a diameter of 20mm, and the interval between adjacent reinforcing beams is 90 cm.

4. The reference beam device for the static load test of the pile foundation as claimed in claim 1, wherein any one of the connection plates is a circular steel plate vertically sleeved on one end of the main beam and welded and fixed, and the connection plate is provided with 4 first openings at equal intervals along the circumference.

5. The reference beam apparatus for a pile foundation static test of claim 1, wherein the first mounting seat comprises: the first mounting plate is horizontally fixed on the reference pile; the side plate is vertically arranged, and the bottom of the side plate is fixedly connected with one side edge of the first mounting plate; the two first limiting grooves are arranged on the first mounting plate in parallel and are matched with the main beam; the two fixing pieces are respectively arranged above one ends, close to the side plates, of the two first limiting grooves, each fixing piece comprises a fixing plate, the fixing plate is horizontally arranged and fixedly connected with the top of the side plate, a first opening is formed in the middle of the fixing plate along the length direction of the first limiting grooves, an adjusting plate is vertically arranged in the first opening, a second opening is formed in the middle of the adjusting plate along the height direction of the adjusting plate, a U-shaped handle is arranged at the top of the adjusting plate, the two lug plates are respectively arranged on two sides of the first opening, second openings are formed in the positions, opposite to the second openings, of the two lug plates, and the two lug plates and the adjusting plate are locked through a second screw and nut assembly; and the top of the main beam connected with the first mounting seat is provided with a third opening opposite to the adjusting plate.

6. The reference beam apparatus for a pile foundation static test of claim 1, wherein the second mounting base comprises: the second mounting plate is horizontally fixed on the reference pile; and the two second limiting grooves are arranged on the second mounting plate in parallel and are matched with the main beam.