CN216117118U

CN216117118U - Point load tester

Info

Publication number: CN216117118U
Application number: CN202121142853.0U
Authority: CN
Inventors: 王震东
Original assignee: Heilongjiang Tiesheng Engineering Testing Co ltd
Current assignee: Heilongjiang Tiesheng Engineering Testing Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-03-22
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a point load tester which comprises a bottom plate and a base, wherein two ends of a spring are respectively and fixedly connected with one side of a sliding sleeve and one side of the inner wall of a shell, a pressing block is fixedly connected to the top of the sliding sleeve, and the outer wall of the pressing block is in clearance fit with a through hole in the top of the shell. The utility model relates to the technical field of point load tests, through the cooperation among a round bar, a straight bar and bent bars, when a user fixes rocks, the user firstly presses a handle of the round bar, the round bar can drive a trapezoidal plate to move when moving, the trapezoidal plate can drive two bent bars to move outwards when moving, a spring is further compressed, two pressing blocks are opened at the moment, the user places the rocks between the two pressing blocks, then the handle of the round bar is loosened, the spring is elastically deformed due to the loss of external force support to drive the pressing blocks to fix the rocks, the whole process is simple and rapid, the problem that the device is inconvenient to fix the rocks when in work is solved, and the working efficiency is improved.

Description

Point load tester

Technical Field

The utility model relates to the technical field of point load tests, in particular to a point load tester.

Background

Point load tests are widely used in various engineering fields, for example: mine engineering, civil engineering and geological engineering, indoor rock mechanics test is compared in point load test, have characteristics such as portability, rapidity, cheap, in the point load test process, adopt the point load tester to accomplish the intensity survey of rock test block, mainly there are parts such as base, hand hydraulic pump, toper pressure head, dead lever, at the job site, select the rock test block that will survey, put between two upper and lower pressurization toper heads of point load tester, hand hydraulic jack top pressure pole is until rock test block destroys, stop the pressurization, a point load tester of application number "201822189617.9" for example, including the bearing box that is used for placing and fixed rock test block, make things convenient for the concatenation in the later stage of the small block body to recover.

But the device is inconvenient in the fixed rock of during operation, has reduced work efficiency to the device is not convenient for change the point load test position of rock when carrying out work, can't satisfy modern people's work demand.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a point load tester, which solves the problems that rocks are inconvenient to fix and the working efficiency is reduced when the device works.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a point load tester comprises a bottom plate and a base, wherein the base is fixedly connected to the bottom of the bottom plate, a shell is arranged above the bottom plate, and a fixing device is arranged inside the shell;

the fixing device comprises a round rod, a trapezoidal plate, a straight rod, a bent rod, a sliding sleeve, a sliding rod, a spring and a pressing block;

the utility model discloses a novel round bar, including shell, circle pole, inner wall, slide bar, outer wall, inner wall, outer wall and the bottom through-hole clearance fit of shell of circle pole, the top rigid coupling of circle pole has trapezoidal plate, the top groove clearance fit of trapezoidal plate has the straight-bar, the top of straight-bar and the inner wall top fixed connection of shell, one side laminating of trapezoidal plate has the knee, the top rigid coupling of knee has the sliding sleeve, the inner wall sliding clamping of sliding sleeve has the slide bar, the one end of slide bar and inner wall one side fixed connection of shell, the outer wall clearance fit of slide bar has the spring, the both ends of spring respectively with one side of sliding sleeve and inner wall one side fixed connection of shell, the top rigid coupling of sliding sleeve has the briquetting, the outer wall of briquetting and the top through-hole clearance fit of shell.

Preferably, the two bent rods are symmetrically distributed with the center of the shell as a reference.

Preferably, the inner sides of the two bending rods are provided with round wheels.

Preferably, a plurality of upright posts are fixedly connected to the top of the bottom plate, and a moving device is arranged above the bottom plate;

the moving device comprises a square shell, a vertical rod, a sleeve, a double-end stud and a sliding block;

the bottom of square shell is linked together with the top of bottom plate, the top through-hole clearance fit of square shell has the montant, the top rigid coupling of montant has the shell, the bottom rigid coupling of montant has the sleeve, telescopic inner wall screw thread links to each other has stud, one side of stud's outer wall and one side clearance fit of square shell, stud's outer wall passes through the bearing and rotates with the below of stand and link to each other, telescopic bottom rigid coupling has the slider, the outer wall of slider and the top recess slip joint of bottom plate.

Preferably, it is a plurality of the square slab is installed to the top of stand, pressure sensor is installed to the bottom of square slab, one side of pressure sensor links to each other through the wire electrical property has the pneumatic cylinder, the top of pneumatic cylinder and the below fixed connection of square slab, the below through-hole of pneumatic cylinder has the pressure head through the bolt rigid coupling.

The utility model provides a point load tester. The method has the following beneficial effects: the point load tester is characterized in that through the matching between the round rod, the straight rod and the bent rod, a user firstly presses the handle of the round rod when fixing rocks, the round rod can drive the trapezoidal plate to move when moving, the trapezoidal plate can drive the two bent rods to move towards the outside when moving, and further compress the spring, at the moment, the two pressing blocks are opened, the user places the rocks between the two pressing blocks, then loosens the handle of the round rod, the spring at the moment is elastically deformed due to the loss of external force support to drive the pressing blocks to fix the rocks, the whole process is simple and rapid, the problem that the device is inconvenient to fix the rocks when working is solved, the working efficiency is improved, through the matching between the sleeve, the sliding block and the vertical rod, when the user needs to change the test position, the handle of the stud can be rotated, the threads on two sides of the stud are the same, and the stud can drive the shell to move left and right when moving, the change of the test position is realized, the problem that the point load test position of rock is not convenient to change when the device works is solved, and the work requirement of modern people is met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the round bar, the straight bar and the bent bar in FIG. 2;

fig. 4 is a schematic view of the connection structure of the sleeve, the sliding block and the upright rod in fig. 2.

In the figure: 1. the device comprises a base plate, 2, a base, 3, a shell, 4, a fixing device, 401, a round rod, 402, a trapezoidal plate, 403, a straight rod, 404, a bent rod, 405, a sliding sleeve, 406, a sliding rod, 407, a spring, 408, a pressing block, 5, a moving device, 501, a square shell, 502, a vertical rod, 503, a sleeve, 504, a stud, 505, a sliding block, 6, a stand column, 7, a square plate, 8, a hydraulic cylinder, 9, a pressure sensor, 10, a pressure head, 11 and a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

The utility model provides a technical scheme that:

as shown in fig. 1-4, the point load tester in the present application includes a bottom plate 1 and a base 2, the bottom of the bottom plate 1 is fixedly connected with the base 2, a housing 3 is disposed above the bottom plate 1, a fixing device 4 is disposed inside the housing 3, the fixing device 4 includes a round bar 401, a trapezoidal plate 402, a straight bar 403, a curved bar 404, a sliding sleeve 405, a sliding bar 406, a spring 407, and a pressing block 408, an outer wall of the round bar 401 is in clearance fit with a bottom through hole of the housing 3, a trapezoidal plate 402 is fixedly connected to a top of the round bar 401, a straight bar 403 is in clearance fit with a top groove of the trapezoidal plate 402, a top of the straight bar 403 is fixedly connected to a top of an inner wall of the housing 3, the curved bar 404 is attached to one side of the trapezoidal plate 402, the sliding sleeve 405 is fixedly connected to a top of the curved bar 404, the sliding sleeve 405 is slidably engaged with the sliding bar 406, one end of the sliding bar 406 is fixedly connected to one side of the inner wall of the housing 3, the outer wall of the sliding bar 406 is in clearance fit with the spring 407, two ends of the spring 407 are fixedly connected with one side of the sliding sleeve 405 and one side of the inner wall of the shell 3 respectively, the top of the sliding sleeve 405 is fixedly connected with a pressing block 408, the outer wall of the pressing block 408 is in clearance fit with a through hole at the top of the shell 3, the two bent rods 404 are symmetrically distributed left and right with the center of the shell 3 as a reference, and the inner sides of the two bent rods 404 are provided with round wheels;

in the specific implementation process, be worth pointing out very much, the user is when fixed rock, press the handle of round bar 401 earlier, round bar 401 can drive trapezoidal plate 402 when the motion and take place the motion, trapezoidal plate 402 can drive two curved bars 404 to move to the outside when the motion, and then compress spring 407, two briquetting 408 open this moment, the user places the rock between two briquetting 408, then loosen the handle of round bar 401, spring 407 this moment takes place elastic deformation and drives briquetting 408 with the rock fixation owing to losing the external force support, whole process is simple swift, the device has been solved at the inconvenient problem of fixed rock of during operation, and work efficiency is improved.

The top of the bottom plate 1 is fixedly connected with a plurality of upright posts 6, a moving device 5 is arranged above the bottom plate 1, the moving device 5 comprises a square shell 501, a vertical rod 502, a sleeve 503, a stud 504 and a slide block 505, the bottom of the square shell 501 is communicated with the top of the bottom plate 1, the vertical rod 502 is in clearance fit with a through hole at the top of the square shell 501, the shell 3 is fixedly connected with the top of the vertical rod 502, the sleeve 503 is fixedly connected with the bottom of the vertical rod 502, the stud 504 is in threaded connection with the inner wall of the sleeve 503, one side of the outer wall of the stud 504 is in clearance fit with one side of the square shell 501, the outer wall of the stud 504 is rotatably connected with the lower part of the upright post 6 through a bearing, the slide block 505 is fixedly connected with the bottom of the sleeve 503, the outer wall of the slide block 505 is in sliding clamping connection with a groove at the top of the bottom plate 1, the square plates 7 are arranged above the upright posts 6, a pressure sensor 9 is arranged at the bottom of the square plate 7, the type HM29 of the pressure sensor 9, one side of the pressure sensor 9 is electrically connected with a hydraulic cylinder 8 through a lead, the type of the hydraulic cylinder 8 is MOB, the top of the hydraulic cylinder 8 is fixedly connected with the lower part of the square plate 7, and a pressure head 10 is fixedly connected with a through hole below the hydraulic cylinder 8 through a bolt 11;

in the specific implementation process, it is worth pointing out especially that, when a user needs to change the test position, the handle of the stud 504 can be rotated, the threads on the two sides of the stud 504 are the same, and the stud 504 can drive the shell 3 to move left and right during movement, so that the change of the test position is realized, the problem that the point load test position of rock is not convenient to change during working of the device is solved, and the work requirements of modern people are met.

According to the working principle of the device, when a user fixes rocks, the user firstly presses the handle of the round rod 401, the round rod 401 can drive the trapezoidal plate 402 to move when moving, the trapezoidal plate 402 can drive the two bent rods 404 to move outwards when moving, the spring 407 is compressed, the two pressing blocks 408 are opened at the moment, the user places the rocks between the two pressing blocks 408, then the handle of the round rod 401 is loosened, the spring 407 is elastically deformed due to loss of external force support to drive the pressing blocks 408 to fix the rocks, the whole process is simple and rapid, the problem that the device is inconvenient to fix the rocks when in work is solved, the working efficiency is improved, when the user needs to change the test position, the handle of the stud 504 can be rotated, the threads on the two sides of the stud 504 are the same, the stud 504 can drive the shell 3 to move left and right when moving, and the change of the test position is realized, the problem of the device is not convenient for change the point load test position of rock when carrying out the work, satisfies modern people's work demand, and wherein the display screen is installed in the front of square plate 7, and pneumatic cylinder 8 passes to the positive display screen of square plate 7 at last through pressure sensor 9 records in the pressure value when the motion, and convenient to use person takes notes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a point load test appearance, includes bottom plate (1) and base (2), the bottom rigid coupling of bottom plate (1) has base (2), its characterized in that: a shell (3) is arranged above the bottom plate (1), and a fixing device (4) is arranged inside the shell (3);

the fixing device (4) comprises a round rod (401), a trapezoidal plate (402), a straight rod (403), a bent rod (404), a sliding sleeve (405), a sliding rod (406), a spring (407) and a pressing block (408);

the outer wall of round bar (401) and the bottom through hole clearance fit of shell (3), the top rigid coupling of round bar (401) has trapezoidal plate (402), the top groove clearance fit of trapezoidal plate (402) has straight-bar (403), the top of straight-bar (403) and the inner wall top fixed connection of shell (3), curved bar (404) has been laminated to one side of trapezoidal plate (402), the top rigid coupling of curved bar (404) has sliding sleeve (405), the inner wall slip joint of sliding sleeve (405) has slide bar (406), the one end of slide bar (406) and the inner wall one side fixed connection of shell (3), the outer wall clearance fit of slide bar (406) has spring (407), the both ends of spring (407) respectively with one side of sliding sleeve (405) and inner wall one side fixed connection of shell (3), the top rigid coupling of sliding sleeve (405) has briquetting (408), the outer wall of the pressing block (408) is in clearance fit with the top through hole of the shell (3).

2. The point load tester according to claim 1, wherein: the two bent rods (404) are symmetrically distributed on the left and right by taking the center of the shell (3) as a reference.

3. The point load tester according to claim 1, wherein: and round wheels are arranged on the inner sides of the two bent rods (404).

4. The point load tester according to claim 1, wherein: the top of the bottom plate (1) is fixedly connected with a plurality of upright posts (6), and a moving device (5) is arranged above the bottom plate (1);

the moving device (5) comprises a square shell (501), a vertical rod (502), a sleeve (503), a double-end stud (504) and a sliding block (505);

the bottom of square shell (501) is linked together with the top of bottom plate (1), the top through-hole clearance fit of square shell (501) has montant (502), the top rigid coupling of montant (502) has shell (3), the bottom rigid coupling of montant (502) has sleeve (503), the inner wall screw thread of sleeve (503) links to each other stud (504), one side clearance fit of outer wall one side and square shell (501) of stud (504), the below rotation that stud (504)'s outer wall passes through bearing and stand (6) links to each other, the bottom rigid coupling of sleeve (503) has slider (505), the outer wall of slider (505) and the top recess slip joint of bottom plate (1).

5. The point load tester according to claim 4, wherein: it is a plurality of square plate (7) are installed to the top of stand (6), pressure sensor (9) are installed to the bottom of square plate (7), one side of pressure sensor (9) links to each other through the wire electrical property has pneumatic cylinder (8), the top of pneumatic cylinder (8) and the below fixed connection of square plate (7), the below through-hole of pneumatic cylinder (8) has pressure head (10) through bolt (11) rigid coupling.