CN215262186U

CN215262186U - Rock mass ground stress testing device

Info

Publication number: CN215262186U
Application number: CN202121125709.6U
Authority: CN
Inventors: 胡凯锋; 汪旭涛; 李瞩; 代荣先
Original assignee: Wuhan Goodi Dingxing Engineering Technology Co ltd
Current assignee: Wuhan Goodi Dingxing Engineering Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-21
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a rock mass ground stress test device relates to ground stress test field, including mobile jib, block mechanism, coupling mechanism, the go-between has been cup jointed to the well lower extreme outer wall of mobile jib, and the lower extreme outer wall of mobile jib is close to the go-between and is provided with sealed gasbag under the position department, sealed gasbag's gas pocket department is connected with the trachea. The fixture block through with data collection station one end docks in the draw-in groove, along with the continuous antecedent of fixture block, the gag lever post drives first telescopic link and upwards extends, after the gag lever post is crossed on the inclined plane of fixture block, receive the influence of gravity, the gag lever post drives first telescopic link and returns downwards, can carry on spacingly to the fixture block, when needs take off data collection station, through last lifting rod, make first telescopic link upwards extend under lifting rod's effect, and then drive gag lever post rebound, the position height that highly is higher than the fixture block inclined plane until the gag lever post, can take the fixture block out from the draw-in groove, and then realize data collection station's quick dismantlement and installation.

Description

Rock mass ground stress testing device

Technical Field

The utility model relates to a ground stress test field specifically is a rock mass ground stress test device.

Background

The ground stress is the basic source of the pressure generation of the tunnel surrounding rock, the gravity action and the construction movement are the main reasons for causing the ground stress, particularly, the formation and the characteristics of the ground stress are influenced most by the horizontal structural motion, the reason for forming the structural stress field is complex, and the structural stress field is extremely unevenly distributed in space, so that the tunnel engineering generally sets measuring points according to geological conditions to carry out the ground stress test in a fixed measuring stage to achieve the purpose of knowing and mastering the ground stress condition of a key section along the line, however, because the number of ground stress measuring points is limited, the complexity of constructing a stress field is high, the application range of a measuring result in a measuring stage is small, the deformation and damage problems of a tunnel support body caused by the ground stress problem are met in local ranges of a plurality of important projects at home and abroad to different degrees, and the detailed and accurate grasp of the ground stress state of a deformation section is the basis for solving the problem.

At present the general crustal stress measuring method who adopts at home and abroad has two kinds, stress relief method and hydrofracturing method promptly, and hydrofracturing method needs to be connected the water pipe with the water pump when using, calculates out what of crustal stress through data acquisition, and the connected mode of general water pipe is loaded down with trivial details, the not quick connection of being convenient for, consequently the utility model provides a rock body crustal stress testing arrangement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the problem of the loaded down with trivial details not convenient to detach of structure when solving water piping connection provides a rock mass ground stress testing arrangement.

In order to achieve the above object, the utility model provides a following technical scheme: a rock mass ground stress testing device comprises a main rod, a clamping mechanism and a connecting mechanism, wherein a connecting ring is sleeved on the outer wall of the middle lower end of the main rod, a sealing air bag is arranged at the position, close to the position right below the connecting ring, of the outer wall of the lower end of the main rod, an air pipe is connected to an air hole of the sealing air bag, the other end of the air pipe is connected with the connecting mechanism in a sealing mode, an air pump is installed on one side of the upper end of the main rod, and a data acquisition unit is arranged on one side of the connecting ring;

the clamping mechanism comprises a first fixing block located at one end of the outer wall of the connecting ring, a second fixing block is fixedly connected to the corresponding end of the first fixing block, an inner groove is formed in the end face of one side of the joint of the first fixing block and the second fixing block, a first telescopic rod is installed on the lower surface of the inner portion of the inner groove, a connecting block is connected to the top end of the first telescopic rod, a first spring is sleeved on the telescopic end of the first telescopic rod, a limiting rod is fixedly connected to one end of the connecting block, and a lifting rod is fixedly connected to the other end of the connecting block.

As a further aspect of the present invention: the connecting mechanism is including the sleeve that is located air pump one side outer wall, telescopic inside is provided with the holding ring, the outer wall of holding ring is provided with the connecting pipe that runs through to the sleeve outer wall, the telescopic inner wall is located the one end outer wall of connecting pipe and is provided with and presses the briquetting, one side outer wall connection according to the briquetting has the second telescopic link, the one end outer wall of second telescopic link is provided with the sleeve pipe that runs through to the sleeve outer wall, the outer wall of second telescopic link is located sheathed tube one side and is provided with the second spring.

As a further aspect of the present invention: the outer wall of one end of the connecting pipe is matched with the inner side of the pressing block, and the outer wall of the pressing block is in a semi-arc shape.

As a further aspect of the present invention: the inner wall of the connecting pipe is matched with the outer wall of the positioning ring, and a sealing ring is arranged at the position where the connecting pipe is contacted with the positioning ring.

As a further aspect of the present invention: the number of the pressing blocks is two, the two pressing blocks are symmetrically distributed on the inner wall of the sleeve, and the inner wall of the sleeve is matched with the outer wall of the second telescopic rod.

As a further aspect of the present invention: and the middle part of one end face of the data acquisition unit, which corresponds to the second fixing block, is fixedly connected with a clamping block, and the plug end of the clamping block is of an inclined plane structure.

As a further aspect of the present invention: the first fixing block and the second fixing block are identical in structure size and fixedly connected through screws, a clamping groove is formed in one end face, corresponding to the clamping block, of the second fixing block, and the cross section of the clamping groove is matched with the plug end of the clamping block.

As a further aspect of the present invention: the bottom end of the first telescopic rod is fixedly connected with the lower surface end of the inner part of the inner groove in a welding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the clamping mechanism, the sleeve moves to drive the second telescopic rod and the pressing block to move by giving a sleeve pulling force, and meanwhile, a second spring is given to apply pressure, the connecting pipe can be butted with the sleeve at the moment, the positioning ring in the sleeve enters the inner side of the connecting pipe at the moment, and as the rubber pipe is arranged at the position of the connecting pipe, which is in contact with the positioning ring, the pressing block gives the pressure to the connecting pipe with the other pressing block under the action of the second spring, so that the connecting pipe is connected with the positioning ring, and the purpose of quickly connecting the connecting pipe is achieved;

2. the fixture block through with data collection station one end docks in the draw-in groove, at the fixture block in the continuous in-process that moves ahead in the draw-in groove, the inclined plane of fixture block front end contacts earlier with the gag lever post, and then along with the continuous advancing of fixture block, the gag lever post drives first telescopic link and upwards extends, after the gag lever post is crossed to the inclined plane of fixture block, influenced by gravity, the gag lever post drives first telescopic link and returns downwards and contracts, can carry out spacingly to the fixture block, when data collection station needs to be taken off, through last lifting rod, make first telescopic link upwards extend under lifting rod's effect, and then drive gag lever post rebound, the position height that highly is higher than the fixture block inclined plane until the gag lever post, can take the fixture block out from the draw-in groove next, can realize data collection station's quick dismantlement and installation.

Drawings

Fig. 1 is a schematic structural diagram of a rock mass ground stress testing device disclosed by the utility model;

FIG. 2 is a schematic plan view of the working state of the rock mass ground stress testing device disclosed by the present invention;

FIG. 3 is a schematic view of the data collector mounting structure of the present invention;

fig. 4 is a schematic structural view of the engaging mechanism of the present invention;

fig. 5 is a schematic structural view of the connection mechanism of the present invention;

in the figure: 1. a main rod; 2. an air pump; 3. a connecting ring; 4. an air tube; 5. a clamping mechanism; 501. a first fixed block; 502. an inner tank; 503. lifting a pull rod; 504. a first telescopic rod; 505. a first spring; 506. Connecting blocks; 507. a card slot; 508. a second fixed block; 509. a limiting rod; 6. a connecting mechanism; 601. a sleeve; 602. a positioning ring; 603. a connecting pipe; 604. a pressing block; 605. a second telescopic rod; 606. a second spring; 607. a sleeve; 7. a data acquisition unit; 701. a clamping block; 8. the air bag is sealed.

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.

Referring to the attached drawings 1-4, the embodiment of the utility model discloses a rock body ground stress testing device, including mobile jib 1, block mechanism 5, coupling mechanism 6, the well lower extreme outer wall of mobile jib 1 has cup jointed go-between 3, and the lower extreme outer wall of mobile jib 1 is close to the position under go-between 3 and is provided with air-tight bag 8, the gas pocket department of air-tight bag 8 is connected with trachea 4, the other end sealing connection of trachea 4 has coupling mechanism 6, air pump 2 is installed to upper end one side of mobile jib 1, go-between 3 one side is provided with data collection station 7, take notes through data collection station 7 to rock body ground stress test;

wherein, block mechanism 5 is including the first fixed block 501 that is located go-between 3 outer wall one end, the corresponding end fixedly connected with second fixed block 508 of first fixed block 501, interior groove 502 has been seted up to a side end face of the junction of first fixed block 501 and second fixed block 508, the inside under surface mounting of interior groove 502 has first telescopic link 504, the top of first telescopic link 504 is connected with connecting block 506, first spring 505 has been cup jointed to the flexible end of first telescopic link 504, the one end fixedly connected with gag lever post 509 of connecting block 506, the other end fixedly connected with lifting rod 503 of connecting block 506, it is fixed with the fixture block 701 block on the data collection station 7 through block mechanism 5, can realize that data collection station 7 installs fast and dismantles, very big improvement the convenience that data collection station 7 used.

Referring to fig. 1 and 5, the connecting mechanism 6 includes a sleeve 601 located on the outer wall of one side of the air pump 2, a positioning ring 602 is disposed inside the sleeve 601, a connecting pipe 603 penetrating through the outer wall of the sleeve 601 is disposed on the outer wall of the positioning ring 602, a pressing block 604 is disposed on the outer wall of one end, located on the outer wall of the connecting pipe 603, of the inner wall of the sleeve 601, a second telescopic rod 605 is connected to the outer wall of one side of the pressing block 604, a sleeve 607 penetrating through the outer wall of the sleeve 601 is disposed on the outer wall of one end of the second telescopic rod 605, and a second spring 606 is disposed on one side, located on the sleeve 607, of the outer wall of the second telescopic rod 605.

Referring to fig. 5, the outer wall of one end of the connecting tube 603 fits the inner side of the pressing block 604, the outer wall of the pressing block 604 is in a semi-arc shape, the structure can provide a pulling force to the sleeve 607, the sleeve 607 moves to drive the second telescopic rod 605 and the pressing block 604 to move, and at the same time, a pressure is provided to the second spring 606, the connecting tube 603 and the sleeve 601 are butted, the positioning ring 602 inside the sleeve 601 enters the inner side of the connecting tube 603, and since the position where the connecting tube 603 contacts with the positioning ring 602 is a rubber tube, the pressing block 604 provides a pressure to the connecting tube 603 with the other pressing block 604 under the action of the second spring 606, so that the connecting tube 603 is connected with the positioning ring 602, and the purpose of rapidly connecting the connecting tube 603 is achieved.

In this embodiment, the inner wall of the connecting tube 603 fits the outer wall of the positioning ring 602, and a sealing ring is disposed at the contact position between the connecting tube 603 and the positioning ring 602, so that water is not easily leaked at the contact position between the connecting tube 603 and the positioning ring 602.

In this embodiment, two pressing blocks 604 are provided, the two pressing blocks 604 are symmetrically distributed on the inner wall of the sleeve 601, the inner wall of the sleeve 607 is matched with the outer wall of the second telescopic rod 605, and the two pressing blocks 604 can apply pressure to one end of the sleeve 601 through the structure, so that the sleeve 601 is not easy to separate.

In this embodiment, a fixture block 701 is fixedly connected to a middle portion of an end face of the data collector 7 corresponding to the second fixing block 508, a plug end of the fixture block 701 is an inclined face structure, the plug end of the fixture block 701 is an inclined face, so that the limiting rod 509 is continuously lifted up in the advancing process of the fixture block 701 in the clamping groove 507, and then the self-locking effect can be achieved after the inclined face end of the plug of the fixture block 701 is crossed.

Referring to fig. 3 and 4, in this embodiment, the first fixing block 501 and the second fixing block 508 have the same structure and size, the first fixing block 501 and the second fixing block 508 are fixedly connected by screws, a clamping groove 507 is formed in one end surface of the second fixing block 508 corresponding to the clamping block 701, a cross section of the clamping groove 507 is matched with a plug end of the clamping block 701, the lifting rod 503, the first telescopic rod 504, the first spring 505, the connecting block 506 and the limiting block 509 can be installed inside the inner groove 502 by combining 501 and 508, and then the first fixing block 501 and the second fixing block 508 are fixedly connected by screws, so as to form a complete clamping mechanism 5.

In this embodiment, the bottom end of the first telescopic rod 504 is fixedly connected to the inner lower surface end of the inner groove 502 by welding, and the lifting rod 503 is lifted to drive the limiting rod 509 to move upwards, so that the fixture block 701 can be drawn out from the clamping groove 507, and the data collector 7 can be rapidly mounted and dismounted.

The utility model discloses a theory of operation is:

when the device is used, the fixture block 701 at one end of the data collector 7 is butted with the clamping groove 507, in the process that the fixture block 701 continuously moves forwards in the clamping groove 507, the inclined surface at the front end of the fixture block 701 firstly contacts with the limiting rod 509, then the limiting rod 509 drives the first telescopic rod 504 to extend upwards along with the continuous movement of the fixture block 701, after the inclined surface of the fixture block 701 crosses the limiting rod 509, under the influence of gravity, the limiting rod 509 drives the first telescopic rod 504 to retract downwards, so that the fixture block 701 can be limited, when the data collector 7 needs to be taken down, the first telescopic rod 504 extends upwards under the action of the lifting rod 503 through lifting the lifting rod 503, so that the limiting rod 509 is driven to move upwards, until the position of the limiting rod 509 is higher than the height of the inclined surface of the fixture block 701, then the fixture block 701 can be taken out from the clamping groove 507, and the rapid disassembly and installation of the data collector 7 can be realized, the sleeve 607 is pulled, the sleeve 607 moves to drive the second telescopic rod 605 and the pressing block 604 to move, and meanwhile, the pressure of the second spring 606 is applied, the connecting pipe 603 and the sleeve 601 can be butted at the moment, the positioning ring 602 inside the sleeve 601 enters the inner side of the connecting pipe 603 at the moment, and as the position of the connecting pipe 603, which is in contact with the positioning ring 602, is a rubber pipe, the pressing block 604 applies pressure to the connecting pipe 603 with the other pressing block 604 under the action of the second spring 606, so that the connecting pipe 603 is connected with the positioning ring 602, and the purpose of quickly connecting the connecting pipe 603 is achieved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The rock mass ground stress testing device comprises a main rod (1), a clamping mechanism (5) and a connecting mechanism (6), and is characterized in that a connecting ring (3) is sleeved on the outer wall of the middle lower end of the main rod (1), a sealing air bag (8) is arranged at a position, close to the connecting ring (3), of the outer wall of the lower end of the main rod (1), an air pipe (4) is connected to an air hole of the sealing air bag (8), the connecting mechanism (6) is connected to the other end of the air pipe (4) in a sealing mode, an air pump (2) is installed on one side of the upper end of the main rod (1), and a data collector (7) is arranged on one side of the connecting ring (3);

wherein, block mechanism (5) is including first fixed block (501) that is located go-between (3) outer wall one end, the corresponding end fixedly connected with second fixed block (508) of first fixed block (501), interior groove (502) have been seted up to a junction side end face of first fixed block (501) and second fixed block (508), the inside lower surface mounting of interior groove (502) has first telescopic link (504), the top of first telescopic link (504) is connected with connecting block (506), first spring (505) have been cup jointed to the flexible end of first telescopic link (504), one end fixedly connected with gag lever post (509) of connecting block (506), the other end fixedly connected with lifting rod (503) of connecting block (506).

2. A rock mass ground stress test device according to claim 1, characterized in that the connecting mechanism (6) comprises a sleeve (601) located on the outer wall of one side of the air pump (2), a positioning ring (602) is arranged inside the sleeve (601), a connecting pipe (603) penetrating through the outer wall of the sleeve (601) is arranged on the outer wall of the positioning ring (602), a pressing block (604) is arranged on the outer wall of one end, located on the connecting pipe (603), of the inner wall of the sleeve (601), a second telescopic rod (605) is connected to the outer wall of one side of the pressing block (604), a sleeve (607) penetrating through the outer wall of the sleeve (601) is arranged on the outer wall of one end of the second telescopic rod (605), and a second spring (606) is arranged on one side, located on the sleeve (607), of the outer wall of the second telescopic rod (605).

3. A rock mass ground stress test device according to claim 2, characterized in that the outer wall of one end of the connecting pipe (603) is fitted with the inner side of the pressing block (604), and the outer wall of the pressing block (604) is in a half arc shape.

4. A rock mass ground stress testing device according to claim 2, characterized in that the inner wall of the connecting pipe (603) is fitted with the outer wall of the positioning ring (602), and a sealing ring is arranged at the position where the connecting pipe (603) is contacted with the positioning ring (602).

5. A rock mass ground stress testing device according to claim 2, characterized in that the number of the pressing blocks (604) is two, the two pressing blocks (604) are symmetrically distributed on the inner wall of the sleeve (601), and the inner wall of the sleeve (607) is matched with the outer wall of the second telescopic rod (605).

6. A rock mass ground stress test device according to claim 1, characterized in that a fixture block (701) is fixedly connected to the middle of one end face of the data acquisition unit (7) corresponding to the second fixing block (508), and the plug end of the fixture block (701) is in an inclined plane structure.

7. A rock mass ground stress testing device according to claim 1, wherein the first fixing block (501) and the second fixing block (508) are the same in structural size, the first fixing block (501) and the second fixing block (508) are fixedly connected through screws, a clamping groove (507) is formed in one end face, corresponding to the clamping block (701), of the second fixing block (508), and the cross section of the clamping groove (507) is matched with the plug end of the clamping block (701).

8. A rock mass ground stress test device according to claim 1, characterized in that the bottom end of the first telescopic rod (504) is fixedly connected with the inner lower surface end of the inner groove (502) by welding.