CN210917288U

CN210917288U - Rock foundation deep flat plate load test device

Info

Publication number: CN210917288U
Application number: CN201921757212.9U
Authority: CN
Inventors: 杨明才; 文康稳
Original assignee: Guangdong Kede Testing Technology Co ltd
Current assignee: Guangdong Kede Testing Technology Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-07-03
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a rock foundation deep layer flat plate load test device, which comprises a hydraulic rod, a connecting nail rod, a support plate, a displacement component, a support pier and an oil pump, the lower side of the supporting plate is of a square plate-shaped structure, four groups of upper barrels distributed in a rectangular array are arranged on the upper side of the supporting plate, a middle barrel is arranged in the middle of the upper side of the supporting plate, an oil pump is fixed in the middle of the middle barrel, a plurality of groups of reinforcing ribs are arranged between the upper barrel and the middle barrel, a through hole is formed in the bottom surface of the upper barrel, the cylindrical part on the upper side of the connecting nail rod is positioned in the upper barrel, a pin shaft is inserted in the through hole in the upper side of the supporting plate, two ends of the pin shaft are inserted in the through hole in the side wall of the upper barrel, the hydraulic rod is arranged inside the upper side of the upper barrel, the upper barrel penetrates through a threaded hole in the side wall of the upper barrel through a screw to be jacked outside the hydraulic rod to fix the hydraulic rod, and the lower side of the connecting screw rod is located inside a bearing pipe of the displacement assembly. This deep dull and stereotyped load test device of rock texture foundation, the test position adjustment is convenient, is fit for generally using widely.

Description

Rock foundation deep flat plate load test device

Technical Field

The utility model belongs to the technical field of civil construction, concretely relates to deep dull and stereotyped load test device of rock texture ground.

Background

The house is generally characterized by having a roof, walls around the roof, wind and rain prevention, cold resistance and heat preservation, providing people with work, life, study, entertainment and material storage therein, and having a fixed foundation, and the floor height is generally in a permanent place of more than 2.2 meters.

The rock foundation needs to be detected before the house is built, for example, in a region with low rock foundation strength in western mountainous areas, the requirement of modern buildings on the bearing capacity of the rock foundation is increased continuously, the bearing capacity of the excavated rock foundation can be tested more fully by a flat plate load test of the rock foundation, and the cost of building foundation is saved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deep dull and stereotyped load test device of rock texture ground to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rock foundation deep layer flat plate load test device comprises a hydraulic rod, a connecting screw rod, a support plate, a displacement assembly, a support pier and an oil pump, wherein the lower side of the support plate is of a square plate-shaped structure, four groups of upper barrels distributed in a rectangular array are arranged on the upper side of the support plate, a middle barrel is arranged in the middle of the upper side of the support plate, the oil pump is fixed in the middle of the middle barrel, a plurality of groups of reinforcing ribs are arranged between the upper barrel and the middle barrel, a through hole is formed in the bottom surface of the upper barrel, a cylindrical part on the upper side of the connecting screw rod is positioned in the upper barrel, a pin shaft is inserted in the through hole in the upper side of the support plate, two ends of the pin shaft are inserted into the through hole in the side wall of the upper barrel, the hydraulic rod is arranged in the upper barrel, the upper barrel penetrates through a threaded hole in, another group of pin shafts are inserted into the lower side of the connecting nail rod, two ends of each pin shaft are located in through holes in the side wall of the bearing pipe, and the displacement assembly comprises a locking screw, a side blocking piece, a bearing frame, a locking lug, a floating moving part, a sliding positioning frame, a sliding frame and a flange linear bearing.

Preferably, the support plate is an integrated structure manufactured by casting, and the outer surface of the support plate is subjected to nickel plating treatment.

Preferably, the hydraulic stem includes the hydraulic stem main part, be provided with articulated piece on the end that stretches out of hydraulic stem main part, articulated piece is located two sets of articulated pieces on the briquetting inside, articulated piece is articulated with articulated piece through the articulated shaft.

Preferably, the bearing frame is steel square frame column structure, bearing frame upside is equipped with four groups and is the bearing pipe that the rectangle array distributes, be equipped with two sets of mound pieces that are the integral type structure rather than on the bearing pipe, it is located the mound piece downside to support the mound, there are two sets of side separation blades through the screw fixation on the bearing frame, the inside slip square frame that is provided with of two sets of side separation blades, slip square frame both ends are connected with the locking lug through locking screw, the locking lug corresponds with the groove-shaped structure of side separation blade towards the part of side separation blade.

Preferably, a sliding positioning frame is arranged above the two groups of strip-shaped structures of the sliding square frame, the lower side part of the sliding positioning frame is positioned between the two groups of strip-shaped structures of the sliding square frame, a bearing hole and a pressure groove are formed in the sliding positioning frame, a flange linear bearing is fixed inside the bearing hole, the lower surface of the sliding positioning frame adjacent to the bearing hole is provided with the pressure groove, a cup head hexagonal screw is arranged in a threaded hole in the pressure groove, and one part of the hexagonal screw is pressed on the lower surface of the adjacent sliding square frame.

Preferably, four sets of shaft-shaped structures on the lower side of the floating moving part are positioned in the flange linear bearing, and the other set of hydraulic rods are fixed in the tubular structure in the middle of the floating moving part through screws.

The utility model discloses a technological effect and advantage: according to the rock foundation deep flat plate load test device, the object load of an external pile carrier is not needed, pressure is applied to the pressing block through the hydraulic rod main bodies, the internal structure of the rock layer is used as an object of the object load, the top of the rock layer is applied with pressure through the plurality of groups of hydraulic rod main bodies, so that the hydraulic rod main bodies on the lower side downwards apply pressure to the foundation, and the position of the hydraulic rod main bodies on the lower side is adjusted through the displacement assembly to achieve the purpose of detecting different positions; the non-telescopic top of downside hydraulic stem main part bears the pressure of test through the backup pad after consolidating on the lower surface of backup pad, and the displacement subassembly need not the atress when the test.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the underside structure of the present invention;

fig. 4 is an exploded view of the hydraulic rod of the present invention;

FIG. 5 is a schematic view of the supporting plate of the present invention;

fig. 6 is a schematic structural view of the displacement assembly of the present invention;

fig. 7 is an exploded view of the displacement assembly of the present invention;

fig. 8 is a schematic structural view of the side blocking piece of the present invention;

FIG. 9 is a schematic view of the structure of the support frame of the present invention;

fig. 10 is a schematic view of the locking protrusion of the present invention;

fig. 11 is a schematic structural view of the floating moving member of the present invention;

fig. 12 is a schematic structural view of the slide positioning frame of the present invention.

In the figure: the hydraulic support comprises a hydraulic rod 1, a hydraulic rod body 101, a hinged shaft 102, a pressing block 103, a hinged sheet 104, a hinged block 105, a connecting nail rod 2, a supporting plate 3, an upper barrel 301, a middle barrel 302, a reinforcing rib 303, a displacement component 4, a locking screw 401, a side blocking sheet 402, a bearing frame 403, a pier sheet 4031, a bearing tube 4032, a locking lug 404, a floating movable piece 405, a sliding positioning frame 406, a bearing hole 4061, a pressure groove 4062, a sliding block 407, a flange linear bearing 408, a support pier 5 and an oil pump 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. 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.

The utility model provides a rock foundation deep layer flat plate load test device as shown in figures 1-12, which comprises a hydraulic rod 1, a connecting nail rod 2, a support plate 3, a displacement component 4, a support pier 5 and an oil pump 6, wherein the lower side of the support plate 3 is of a square plate structure, four groups of upper barrels 301 distributed in a rectangular array are arranged on the upper side of the support plate 3, a middle barrel 302 is arranged in the middle of the upper side of the support plate 3, the oil pump 6 is fixed in the middle of the middle barrel 302, a plurality of groups of reinforced ribs 303 are arranged between the upper barrel 301 and the middle barrel 302, a through hole is arranged on the bottom surface of the upper barrel 301, the cylindrical part on the upper side of the connecting nail rod 2 is positioned inside the upper barrel 301, a pin shaft is inserted in the through hole on the upper side of the support plate 3, two ends of the pin shaft are inserted in the through hole on the side wall of the upper barrel 301, the hydraulic rod 1 is arranged inside, the upper barrel 301, the lower side of the connecting screw rod 2 is located inside a supporting pipe 4032 of the displacement component 4, another group of pin shafts are inserted inside the lower side of the connecting screw rod 2, two ends of each pin shaft are located inside through holes in the side wall of the supporting pipe 4032, and the displacement component 4 comprises a locking screw 401, a side blocking piece 402, a supporting frame 403, a locking lug 404, a floating movable piece 405, a sliding positioning frame 406, a sliding frame 407 and a flange linear bearing 408.

Specifically, the support plate 3 is an integral structure manufactured by casting, the nickel plating treatment is performed on the outer surface of the support plate 3, and the support plate 3 needs a high bearing strength so that the integral casting structure is adopted.

Specifically, the hydraulic rod 1 comprises a hydraulic rod main body 101, a hinged block 105 is arranged at the extending end of the hydraulic rod main body 101, the hinged block 105 is located on a pressing block 103, two groups of hinged pieces 104 are arranged inside the hinged block 105, the hinged block 105 is hinged to the hinged pieces 104 through a hinged shaft 102, the rotatable pressing block 103 can be better attached to a pressed base surface, and the hydraulic rod main body 101 is fixed through screws without limiting the rotation of the non-telescopic part of the hydraulic rod main body.

Specifically, the bearing frame 403 is a square frame-shaped steel structure, four groups of bearing tubes 4032 distributed in a rectangular array are arranged on the upper side of the bearing frame 403, two groups of pier plates 4031 of an integrated structure are arranged on the bearing tube 4032, the support pier 5 is located on the lower side of the pier plates 4031, two groups of side retaining plates 402 are fixed on the bearing frame 403 through screws, a sliding frame 407 is arranged inside the two groups of side retaining plates 402, two ends of the sliding frame 407 are connected with locking lugs 404 through locking screws 401, the part, facing the side retaining plates 402, of each locking lug 404 corresponds to the groove-shaped structure of the side retaining plate 402, the bearing frame 403 is used for connecting the two groups of side retaining plates 402 and a component below the side retaining plates 402, and the hydraulic rod 1 on the lower side can move in the axial direction of the locking.

Specifically, a sliding positioning frame 406 is arranged above two groups of strip-shaped structures of the sliding frame 407, a lower side portion of the sliding positioning frame 406 is located between two groups of strip-shaped structures of the sliding frame 407, a bearing hole 4061 and a pressing groove 4062 are formed in the sliding positioning frame 406, a flange linear bearing 408 is fixed inside the bearing hole 4061, the pressing groove 4062 is formed on the lower surface of the sliding positioning frame 406 adjacent to the bearing hole 4061, a cup-head hexagonal screw is arranged in a threaded hole in the pressing groove 4062, a portion of the hexagonal screw is pressed on the lower surface of the adjacent sliding frame 407, and the sliding frame 407 realizes movement of the hydraulic rod 1 on the lower side in the radial direction of the locking screw 401.

Specifically, four sets of axial structures on the lower side of the floating movable member 405 are located inside the flange linear bearing 408, another set of hydraulic rods 1 are fixed in the tubular structure in the middle of the floating movable member 405 through screws, and the floating movable member 405 prevents the sliding positioning frame 406 from bearing force in the axial direction of the hydraulic rod main body 101.

Specifically, when the rock foundation deep layer flat plate load test device is used, firstly, a vertical shaft is excavated to the test depth, or a pile hole of a manual hole digging pile is utilized to the test depth, then, a adit is excavated to the side surface of the vertical shaft, a flat plate load test is carried out on the adit, a top plate is arranged at the top of the adit as a counter force source, then the device is placed in the adit, a support pier 5 is placed on the leveled ground, then, press blocks 103 of four groups of hydraulic rods 1 at the upper side are pressed against the top plate at the top of the adit, the position of a sliding frame 407 is adjusted by loosening a locking screw 401, the position of a sliding positioning frame 406 is adjusted by loosening a screw in a pressing groove 4062, the screws 401 and the screws in the pressing groove 4062 are tightened after the position of the sliding positioning frame 406 at the lower side is adjusted to a position to be detected, then, the bottom of the adit is pressed by a hydraulic rod 1 at the lower side, and a pressure test device is arranged between the lower surface of the press block 103 of the hydraulic rod 1 at the lower side and the bottom Pressure, the flexible part of the hydraulic stem main part 101 with whole hydraulic stem 1 after the detection is accomplished retracts alright take out this device, and this device has avoided the heap of external heap carrier to carry, has higher detection essence, also has good economic nature.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a deep dull and stereotyped load test device of rock mass foundation, includes hydraulic stem (1), connects nail pole (2), backup pad (3), displacement subassembly (4), buttress (5) and oil pump (6), its characterized in that: the lower side of the support plate (3) is of a square plate-shaped structure, four groups of upper barrels (301) distributed in a rectangular array are arranged on the upper side of the support plate (3), a middle barrel (302) is arranged in the middle of the upper side of the support plate (3), an oil pump (6) is fixed in the middle of the middle barrel (302), a plurality of groups of reinforcing ribs (303) are arranged between the upper barrel (301) and the middle barrel (302), a through hole is formed in the bottom surface of the upper barrel (301), a cylindrical part on the upper side of the connecting screw rod (2) is positioned in the upper barrel (301), a pin shaft is inserted in the through hole in the upper side of the support plate (3), two ends of the pin shaft are inserted in the through hole in the side wall of the upper barrel (301), a hydraulic rod (1) is arranged in the upper side of the upper barrel (301), the upper barrel (301) penetrates through a screw hole in the side wall of the screw rod to abut against the outside of the hydraulic rod (1) to fix the hydraulic rod (1, another group of pin shafts are inserted into the lower side of the connecting nail rod (2), two ends of each pin shaft are located in through holes in the side wall of the supporting pipe (4032), and the displacement assembly (4) comprises a locking screw (401), a side blocking piece (402), a supporting frame (403), a locking lug (404), a floating movable piece (405), a sliding positioning frame (406), a sliding square frame (407) and a flange linear bearing (408).

2. The rock foundation deep bed flat plate load test device of claim 1, characterized in that: the supporting plate (3) is of an integrated structure manufactured by casting, and the outer surface of the supporting plate (3) is subjected to nickel plating treatment.

3. The rock foundation deep bed flat plate load test device of claim 1, characterized in that: the hydraulic rod (1) comprises a hydraulic rod main body (101), a hinge block (105) is arranged at the extending end of the hydraulic rod main body (101), the hinge block (105) is located inside two sets of hinge pieces (104) on the pressing block (103), and the hinge block (105) is hinged to the hinge pieces (104) through a hinge shaft (102).

4. The rock foundation deep bed flat plate load test device of claim 1, characterized in that: bearing frame (403) are steel square frame column structure, bearing frame (403) upside is equipped with four and is the bearing pipe (4032) that the rectangle array distributes, be equipped with on bearing pipe (4032) two sets of mound pieces (4031) rather than being the integral type structure, support mound (5) and be located mound piece (4031) downside, bearing frame (403) are gone up and are fixed with two sets of side separation blade (402) through the screw, and two sets of side separation blade (402) are inside to be provided with slip square frame (407), slip square frame (407) both ends are connected with locking lug (404) through locking screw (401), locking lug (404) correspond with the groove-shaped structure of side separation blade (402) towards the part of side separation blade (402).

5. The rock foundation deep bed flat plate load test device of claim 1, characterized in that: a sliding positioning frame (406) is arranged above the two groups of strip-shaped structures of the sliding square frame (407), the lower side part of the sliding positioning frame (406) is located between the two groups of strip-shaped structures of the sliding square frame (407), a bearing hole (4061) and a pressure groove (4062) are formed in the sliding positioning frame (406), a flange linear bearing (408) is fixed inside the bearing hole (4061), the pressure groove (4062) is formed in the lower surface of the sliding positioning frame (406) adjacent to the bearing hole (4061), a cup head hexagonal screw is arranged in a threaded hole in the pressure groove (4062), and one part of the hexagonal screw is pressed on the lower surface of the adjacent sliding square frame (407).

6. The rock foundation deep bed flat plate load test device of claim 1, characterized in that: four sets of shaft-shaped structures on the lower side of the floating moving piece (405) are positioned in the flange linear bearing (408), and another set of hydraulic rods (1) are fixed in the tubular structure in the middle of the floating moving piece (405) through screws.