CN219224004U

CN219224004U - Anchor rod bearing capacity testing device

Info

Publication number: CN219224004U
Application number: CN202320192746.1U
Authority: CN
Inventors: 侯俊敏; 刘智; 彭德明; 王利民; 白冬鑫; 曾明; 朱建军; 肖晓
Original assignee: Hunan Zhili Engineering Science And Technology Co ltd
Current assignee: Hunan Zhili Engineering Science And Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-20
Anticipated expiration: 2033-02-13

Abstract

The utility model provides an anchor rod bearing capacity testing device. The anchor rod bearing capacity testing device comprises a stress plate, a bottom plate, a top plate, a plurality of adjusting screws and a plurality of adjusting nuts, wherein the stress plate, the bottom plate and the top plate are hard flat plates and are provided with through holes penetrating through a plate body, the size of the bottom plate and the size of the top plate are the same and are smaller than the size of the stress plate, and the size of the through holes formed in the bottom plate and the size of the through holes formed in the stress plate are the same and are larger than the size of the through holes formed in the top plate; the bottom plate is laid in the atress board, the bottom plate is kept away from the edge of atress board one side, vertically be equipped with many adjusting screw, and the cover has respectively adjusting nut, the edge of roof is equipped with a plurality of through-holes that pass through the plate body, and the one-to-one supplies all adjusting screw inserts. The anchor rod bearing capacity testing device solves the problem that an uneven rock-soil surface is difficult to cope with.

Description

Anchor rod bearing capacity testing device

Technical Field

The utility model relates to the field of engineering detection, in particular to an anchor rod bearing capacity testing device.

Background

The detection of the bearing capacity of the anchor rod is an important link in the field of engineering detection. Because the rock-soil surface is generally uneven, the axial line of the anchor rod is not vertical in the detection process, and the bottom surface of the drawing instrument and the rock-soil surface cannot be tightly attached. And then the phenomenon of 'head-up' of the anchor rod is easy to occur in the test process, and the accuracy and the safety of the test detection result are affected.

Disclosure of Invention

In order to cope with uneven rock and soil surface, the utility model provides an anchor rod bearing capacity testing device which can adapt to the uneven rock and soil surface.

The utility model provides an anchor rod bearing capacity testing arrangement, includes atress board, bottom plate, roof, many adjusting screw and a plurality of adjusting nut, atress board bottom plate with the roof is the stereoplasm flat board, and all is equipped with the through-hole that penetrates the plate body, the bottom plate with the roof size is the same, and all is less than the size of atress board, locate the bottom plate with the through-hole size of atress board is the same, and all is greater than the through-hole size of locating the roof; the bottom plate is laid in the atress board, the bottom plate is kept away from the edge of atress board one side, vertically be equipped with many adjusting screw, and the cover has respectively adjusting nut, the edge of roof is equipped with a plurality of through-holes that pass through the plate body, and the one-to-one supplies the completion adjusting screw inserts, locates the through-hole size at the edge of roof is less than adjusting nut's size.

In a preferred embodiment of the anchor rod bearing capacity testing device provided by the utility model, the stress plate is a square steel plate, a circular through hole is arranged at the center of the stress plate, and a plurality of limit baffles are arranged around the circular through hole at the center.

In a preferred embodiment of the anchor rod bearing capacity testing device provided by the utility model, the stress plate is provided with a plurality of rake teeth on one surface far away from the limit baffle.

In a preferred embodiment of the anchor rod bearing capacity testing device provided by the utility model, the bottom plate is a round steel plate, and a round through hole with the same size as the round through hole arranged at the center of the stress plate is arranged at the center of the bottom plate; the bottom plate is clamped between the limit baffles, and the through holes formed in the bottom plate and the stress plate are aligned. Four adjusting screws are vertically arranged at the edge of the bottom plate at equal intervals.

In a preferred embodiment of the anchor rod bearing capacity testing device provided by the utility model, the top plate is a round steel plate, a round through hole is arranged at the center of the top plate, and four round through holes penetrating through the plate body are arranged at the edge positions in one-to-one correspondence with the adjusting screws; the through holes in the center are used for inserting the anchor rods, and the through holes in the edges are used for inserting the adjusting screw rods.

In a preferred embodiment of the device for testing bearing capacity of an anchor rod, the adjusting nut is provided with a spherical abutting joint on one surface close to the top plate.

In a preferred embodiment of the anchor rod bearing capacity testing device provided by the utility model, the adjusting screw rod is sleeved with a gasket between the adjusting nut and the top plate.

Compared with the prior art, all the components in the anchor rod bearing capacity testing device provided by the utility model are composed of light and small parts, and the anchor rod bearing capacity testing device is simple in structure and convenient to operate and is convenient for workers to operate on site. The phenomenon of head lifting of the anchor rod is avoided, and the accuracy of a detection result and the safety of a detection process are ensured.

Drawings

FIG. 1 is a side view of an anchor rod bearing capacity testing apparatus in example 1;

fig. 2 is a side view of the anchor rod bearing capacity testing device in example 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

Examples

Referring to fig. 1, a side view of an anchor bearing capacity testing device 1 according to the present utility model is shown. The anchor rod bearing capacity testing device 1 comprises a stress plate 2, a bottom plate 3, a top plate 4, four adjusting screws 5, four adjusting nuts 6 and four gaskets 7. For ease of description, the anchor rods 8 and the piercing jacks 9 required for use in the test are also introduced.

The stress plate 2 is a square steel plate and is used for expanding the contact surface and reducing the pressure intensity. A larger circular through hole (not shown in the drawing) is arranged in the center of the stress plate 2, and the diameter of the circular through hole can meet the requirement that the vertically arranged anchor rod 8 has enough movable space when the rock-soil surface is inclined. Four arc-shaped limit baffles 21 are arranged on the top surface of the stress plate 2 at positions which are arranged around the circular through holes and keep a certain interval, and four arc-shaped limit baffles are spliced together to form a circular groove.

The bottom plate 3 and the top plate 4 are round steel plates with the same diameter. The bottom plate 3 is clamped into a groove formed by splicing the four limit baffles 21, the edge of the bottom plate 3 is abutted with the limit baffles 21, and the bottom surface is abutted with the stress plate 2. A circular through hole is arranged in the center of the bottom plate 3, the diameter and the arrangement position of the circular through hole are consistent with those of the circular through hole arranged on the stress plate 2, and the circular through hole are aligned.

Four adjusting screws 5 are arranged at the top surface of the bottom plate 3 near the edge at equal intervals at an angle perpendicular to the bottom plate 3. Each adjusting screw 5 is screwed with an adjusting nut 6, and a gasket 7 is sleeved above the adjusting nut 6.

The center of the top plate 4 is provided with a smaller circular through hole for inserting the anchor rod 8, and the diameter of the through hole is slightly larger than that of the anchor rod 8. Four circular through holes are formed in the edge position of the top plate 4 at equal intervals for inserting the adjusting screw 5, and the diameter of the adjusting screw can meet the requirement that the adjusting screw 5 which is obliquely arranged along with the rock-soil surface is provided with enough movable space when the rock-soil surface is inclined.

The inner diameter of the gasket 7 is identical to the diameter of a circular through hole provided at the edge of the top plate 4. The outer diameter of the adjusting nut 6 is larger than the inner diameter of the washer 7. When the rock-soil surface is inclined, the position of the adjusting nut 6 can be controlled by rotating the adjusting nut, so that the top plate 4 is adjusted to be horizontal. Finally, an anchor rod 8 and a penetrating jack 9 are arranged, and the operation steps of anchor rod bearing capacity detection are completed.

Example 2:

referring to fig. 2, a side view of an anchor bearing capacity testing device 1 according to the present utility model is shown. The difference from example 1 is that:

the bottom surface of the stress plate 2 is also provided with a plurality of rake teeth 22 which are pricked into the ground when the stress plate is paved on the ground, so that the stability of the stress plate 2 is improved. A spherical abutting joint is further arranged at the top of the adjusting nut 6 and abuts against the gasket 7 through the abutting joint so as to enlarge the stress surface. The abutting joint is internally provided with a passage for the adjusting screw 5 to pass through and is provided with threads to be engaged with.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims

1. An anchor rod bearing capacity testing arrangement, its characterized in that: the device comprises a stress plate, a bottom plate, a top plate, a plurality of adjusting screws and a plurality of adjusting nuts, wherein the stress plate, the bottom plate and the top plate are all hard flat plates and are all provided with through holes penetrating through a plate body, the size of the bottom plate and the size of the top plate are the same and are smaller than the size of the stress plate, and the size of the through holes formed in the bottom plate and the stress plate is the same and is larger than the size of the through holes formed in the top plate; the bottom plate is laid in the atress board, the bottom plate is kept away from the edge of atress board one side, vertically be equipped with many adjusting screw, and the cover has respectively adjusting nut, the edge of roof is equipped with a plurality of through-holes that pass through the plate body, and the one-to-one supplies the completion adjusting screw inserts, locates the through-hole size at the edge of roof is less than adjusting nut's size.

2. The rock bolt bearing capacity testing device of claim 1, wherein: the stress plate is a square steel plate, a circular through hole is formed in the center of the stress plate, and a plurality of limit baffles are arranged around the circular through hole in the center.

3. The rock bolt bearing capacity testing device of claim 2, wherein: the stress plate is provided with a plurality of rake teeth on one surface far away from the limit baffle.

4. The rock bolt bearing capacity testing device of claim 2, wherein: the bottom plate is a round steel plate, and a round through hole with the same size as the round through hole arranged at the center of the stress plate is formed in the center of the bottom plate; the bottom plate is clamped between the limit baffles, and the through holes formed in the bottom plate and the stress plate are aligned.

5. The rock bolt bearing capacity testing device of claim 4, wherein: four adjusting screws are vertically arranged at the edge of the bottom plate at equal intervals.

6. The rock bolt bearing capacity testing device of claim 5, wherein: the top plate is a circular steel plate, a circular through hole is formed in the center of the top plate, and four circular through holes penetrating through the plate body are formed in the edge positions of the top plate and correspond to the adjusting screws one by one; the through holes in the center are used for inserting the anchor rods, and the through holes in the edges are used for inserting the adjusting screw rods.

7. The anchor rod bearing capacity testing device according to any one of claims 1 to 6, wherein: the adjusting nut is provided with a spherical abutting joint on one surface close to the top plate.

8. The rock bolt bearing capacity testing device of claim 7, wherein: the adjusting screw is sleeved with a gasket between the adjusting nut and the top plate.