CN217878654U

CN217878654U - Machine-made sand compression testing machine

Info

Publication number: CN217878654U
Application number: CN202221229742.8U
Authority: CN
Inventors: 张伟
Original assignee: Shaanxi Xinyida Hengzhong Concrete Co ltd
Current assignee: Shaanxi Xinyida Hengzhong Concrete Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-22
Anticipated expiration: 2032-05-20

Abstract

The utility model relates to a machine-made sand compression testing machine relates to the field of building material testing technique, and it includes testing machine body and mould subassembly, be equipped with the bearing platform on the testing machine body, mould subassembly is located the bearing bench, mould subassembly includes tray and examination mould, the bearing bench has seted up spacing hole, the spacing post of tray bottom fixedly connected with, the tray peg graft through spacing post in spacing downthehole, the examination mould place in on the tray, the examination mould is used for liquid filling machine system sand sample. This application is convenient for portably quick through setting up tray and examination mould and carries out mechanism sand compression test, and the examination mould can avoid the problem that mechanism sand sample splashes in compression test process, consequently the inaccurate problem of result when having avoided the surplus quality of follow-up weighing machine mechanism sand, has effectively improved the accuracy of mechanism sand compression test result.

Description

Machine-made sand compression testing machine

Technical Field

The application relates to the field of building material detection test technology, in particular to a machine-made sand compression testing machine.

Background

The machine-made sand is sand processed by the sand making machine and other accessory equipment, the finished product is more regular, and the sand can be processed into sand with different rules and sizes according to different process requirements, so that the daily requirement can be better met. The compressive strength of the machine-made sand needs to be tested before use.

In the related technology, when the mechanical sand is subjected to the compression test, the initial weight of the mechanical sand test is generally weighed, then an electrohydraulic compression tester is used for directly applying a fixed pressure to the mechanical sand sample to be tested, then the crushed mechanical sand sample is screened, then the sifting weight of the mechanical sand sample is measured, and then the crushing index of the mechanical sand is calculated through the initial weight and the sifting weight, so that whether the compressive strength of the mechanical sand reaches the standard is judged.

Aiming at the related technologies, the inventor thinks that when the machine-made sand compression test is carried out in the related technologies, the machine-made sand is pressed and splashed around in the process of crushing the machine-made sand, so that the result is inaccurate when the screening residual mass of the machine-made sand is subsequently weighed, and the result of the machine-made sand compression test is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of mechanism sand compression test result, this application provides a mechanism sand compression test machine.

The application provides a mechanism sand compression testing machine adopts following technical scheme:

the utility model provides a machine-made sand compression testing machine, includes testing machine body and mould subassembly, be equipped with the pressure platform on the testing machine body, the mould subassembly is located on the pressure platform, the mould subassembly includes tray and examination mould, spacing hole has been seted up on the pressure platform, the spacing post of tray bottom fixedly connected with, the tray peg graft in through spacing post spacing downthehole, the examination mould place in on the tray, the examination mould is used for liquid filling machine system sand sample.

Through adopting above-mentioned technical scheme, when carrying out compression test to the mechanism sand, place the examination mould on the tray, then with mechanism sand sample filling in examination mould, peg graft the spacing post of tray in the spacing downthehole of bearing platform after that, then open the mechanism sand sample of testing machine body in to examination mould and pressurize, thereby accomplish the compression test sample, above-mentioned structure is convenient for portably quick through setting up tray and examination mould and carries out mechanism sand compression test, the problem that mechanism sand sample splashes in compression test process can be avoided to the examination mould, consequently, the inaccurate problem of result when having avoided the surplus quality of follow-up weighing machine mechanism sand, the accuracy of mechanism sand compression test result has effectively been improved.

Optionally, the test mold comprises a base, a cylinder and an end cover, the base is placed on the tray, the cylinder is detachably connected with the base, the end cover is located in the cylinder, and the diameter of the end cover is smaller than the inner diameter of the cylinder.

Through adopting above-mentioned technical scheme, when liquid filling machine system sand sample, place the base on the tray, then with barrel and pedestal mounting, to liquid filling machine system sand sample in the barrel after that, when system sand sample with the closely knit back of filling up of barrel, place the end cover on the barrel, then open testing machine body, testing machine body's pressure head drive end cover descends in the barrel, and then accomplish and pressurize the mechanism sand sample in the barrel, thereby accomplish the compression test, foretell test mould has simple structure, simple to operate's advantage, and can avoid mechanism sand sample to take place the problem of splashing in the compression test process, consequently the inaccurate problem of result when having avoided the surplus quality of follow-up weighing machine system sand, the accuracy of mechanism sand compression test result has effectively been improved.

Optionally, fixedly connected with round snap ring on the base, seted up on the end wall of barrel one end with snap ring matched with annular, the barrel passes through the annular joint on the snap ring.

Through adopting above-mentioned technical scheme, the back is accomplished in the pressurization of testing machine body, dismantles barrel and base to the mechanism sand sample that will crush falls on the tray, and then accomplishes subsequent screening and weigh work. The cooperation through snap ring and annular realizes dismantling the connection of barrel and base to realize the quick installation and the dismantlement of barrel and base, be favorable to improving experimental work efficiency, and can dismantle the connection and be convenient for clear up base and barrel, avoid the mechanism sand of crushing to glue on barrel or base, consequently be favorable to improving the accuracy of test result.

Optionally, be equipped with a plurality of fasteners on the barrel, the fastener includes locking lever, locking piece and spring, the annular is kept away from set up the chamber that holds that the level set up on the inner wall in barrel axle center, hold the chamber bottom and seted up the slide opening, locking lever sliding connection is in the slide opening, locking lever one end extends to hold the intracavity and with locking piece fixed connection, the spring housing is located on the locking lever, the spring makes the locking lever has the orientation and is close to the gliding trend of direction of snap ring, the snap ring seted up with locking piece complex locked groove, the locking piece joint is in the locked groove.

By adopting the technical scheme, when the barrel is installed, the lock rod is pulled to slide along the sliding hole, so that the lock rod drives the lock block to move into the containing groove, the spring is compressed at the moment, then the barrel is clamped on the clamping ring through the annular groove, then the lock rod is loosened, the spring resets to drive the lock rod and the lock block to move towards the direction close to the clamping ring, and further the lock block is clamped in the lock groove, and the barrel is installed; when the barrel is disassembled, the lock rod is pulled to slide along the sliding hole, the lock rod drives the lock block to slide when sliding, the lock block is further separated from the lock groove, and then the barrel is pulled out of the base. The barrel and the base are fixed through the fastening piece, so that the connection stability of the barrel and the base can be enhanced, and the problem of barrel shaking in the test process is reduced.

Optionally, one end of the lock block, which is far away from the lock rod, is provided with a guide surface, a direction from the snap ring to the end cover is marked as direction a, and the guide surface is obliquely arranged along the direction a toward the direction far away from the lock rod.

Through adopting above-mentioned technical scheme, during the installation barrel, align the annular of barrel with the snap ring, then press the barrel, press the guide face contact of in-process snap ring and locking piece and can compress the locking piece to holding the intracavity automatically, when the barrel slides to the bottom, spring return can drive the locking piece joint in the locked groove. Through setting up the guide face, the installation barrel in-process need not personnel and continuously manually pulls the slide bar and fix, has consequently further simplified the operating procedure of installation barrel, is convenient for realize the quick installation of barrel.

Optionally, one end of the lock rod, which is far away from the lock block, extends to the outside of the slide hole and is fixedly connected with a stop block, and the stop block is used for preventing the lock rod from falling off from the inside of the slide hole.

Through adopting above-mentioned technical scheme, set up the dog and can prevent that the locking lever from droing in the slide opening to the dog is convenient for operating personnel pulling slide bar and slides, has strengthened the convenience of fastener in the use.

Optionally, one side of the base, which is far away from the snap ring, is fixedly connected with a center column, a center hole is formed in the tray, and the base is inserted into the center hole through the center column.

Through adopting above-mentioned technical scheme, before the filling examination mould, peg graft in the central pillar of tray with the central pillar of base, can make base and tray keep being connected stably through the cooperation of central pillar and central hole on the one hand, on the other hand can make the base be located the center of tray through the location of central hole and central pillar to make the barrel be located the center of tray, make the mechanism sand sample in the barrel keep the pressure balance in the pressurization test process, guarantee good test effect when reinforcing examination mould stability.

Optionally, a handle is fixedly connected to the tray.

Through adopting above-mentioned technical scheme, set up the handle and be convenient for remove the tray, strengthened the convenience of tray in the use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the tray and the test mold are arranged, so that the compression test of the machine-made sand is conveniently, conveniently and rapidly carried out, and the test mold can avoid the problem that a machine-made sand sample splashes in the compression test process, so that the problem that the result is inaccurate when the screening residue quality of the machine-made sand is subsequently weighed is avoided, and the accuracy of the compression test result of the machine-made sand is effectively improved;

2. the detachable connection of the barrel and the base is realized through the matching of the clamping ring and the annular groove, so that the rapid installation and detachment of the barrel and the base are realized, the improvement of the working efficiency of the test is facilitated, the detachable connection is convenient for cleaning the base and the barrel, and the mechanism sand for crushing is prevented from being adhered to the barrel or the base, so that the improvement of the accuracy of the test result is facilitated;

3. this application is through setting up center post and center hole, can make base and tray keep connecting stably on the one hand, and the location through center hole and center post on the one hand can make the base be located the center of tray to make the barrel be located the center of tray, make the mechanism sand sample in the barrel keep the pressure balance in the pressurization test process, guarantee good experimental effect when reinforcing examination mould stability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a platen and die assembly of an embodiment of the present application;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a tester body; 11. a pressure bearing table; 111. a limiting hole; 12. a pressure head; 2. a mold assembly; 21. a tray; 211. a handle; 212. a limiting column; 213. a central bore; 22. a base; 221. a central column; 222. a snap ring; 2221. locking the groove; 23. a cylinder body; 231. a ring groove; 2311. an accommodating chamber; 2312. a slide hole; 24. an end cap; 25. a fastener; 251. a lock lever; 2512. a stopper; 252. a locking block; 2521. a guide surface; 253. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses mechanism sand compression testing machine. Referring to fig. 1, a machine-made sand compression tester includes a tester body 1 and a mold assembly 2.

Referring to fig. 1, the bottom of the testing machine body 1 is fixedly connected with a pressure bearing table 11, and the top of the testing machine body 1 is provided with a pressure head 12 for pressurizing.

Referring to fig. 1 and 2, the mold assembly 2 is located the bearing table 11, the mold assembly 2 includes a tray 21 and a test mold, two handles 211 are welded on the peripheral wall of the tray 21, four limiting columns 212 are welded on the bottom of the tray 21, the four limiting columns 212 are uniformly distributed along the circumferential direction of the tray 21 at intervals, the bearing table 11 is circular, four limiting holes 111 are formed in the upper surface of the bearing table 11, the four limiting holes 111 are uniformly distributed along the circumferential direction of the bearing table 11 at intervals, and the tray 21 is inserted into the limiting holes 111 through the limiting columns 212 in a one-to-one correspondence manner. When the limiting column 212 of the tray 21 is inserted into the limiting hole 111, the center of the pressure bearing table 11, the center of the tray 21, and the center of the pressure head 12 are located on the same straight line.

Referring to fig. 1 and 2, the test mold comprises a base 22, a cylinder 23 and an end cover 24, the base 22 is circular, a center column 221 is coaxially welded on one side of the base 22, a center hole 213 is coaxially formed in one side of the tray 21 away from the limiting column 212, the base 22 is inserted into the center hole 213 through the center column 221, a circle of snap ring 222 is welded on one end of the base 22 away from the center column 221, an annular groove 231 matched with the snap ring 222 is formed in the end wall of one end of the cylinder 23, and the cylinder 23 is clamped on the limiting ring through the annular groove 231. The end cap 24 is located within the barrel 23, the end cap 24 having a diameter less than the inner diameter of the barrel 23.

Referring to fig. 2 and 3, the cylinder 23 is provided with a plurality of fasteners 25 for fixing the cylinder 23 and the base 22, in this embodiment, two fasteners 25 are provided, and the two fasteners 25 are symmetrically distributed with the axis of the cylinder 23 as a symmetry axis. Fastener 25 includes locking lever 251, locking piece 252 and spring 253, offer the chamber 2311 that holds of horizontal setting on the inner wall that barrel 23 axle center was kept away from to annular groove 231, hold the chamber 2311 diapire and seted up slide opening 2312, locking lever 251 sliding connection is in slide opening 2312, locking lever 251 one end extends to and holds in the chamber 2311 and weld with locking piece 252, the locking lever 251 one end of keeping away from locking piece 252 extends to outside the slide opening 2312 and welds and have dog 2512, dog 2512 is circular, the diameter of dog 2512 is greater than the diameter of slide opening 2312.

Referring to fig. 2 and 3, the spring 253 is sleeved on the lock rod 251, one end of the spring 253 abuts against the lock block 252, the other end of the spring 253 abuts against the bottom wall of the accommodating cavity 2311, the spring 253 enables the lock rod 251 to have a tendency of sliding towards a direction close to the snap ring 222, the snap ring 222 is provided with a lock groove 2221 matched with the lock block 252, and the lock block 252 is clamped in the lock groove 2221. One end of the lock block 252 remote from the lock bar 251 is provided with a guide surface 2521, and the direction from the snap ring 222 to the end cap 24 is denoted as a direction, and the guide surface 2521 is provided obliquely in the direction a toward the direction away from the lock bar 251.

The embodiment of the application provides a mechanism sand compression testing machine's implementation principle does: when the compression test is performed on the machine-made sand, the central column 221 of the base 22 is inserted into the central hole 213 on the tray 21, then the annular groove 231 of the cylinder 23 is aligned with the snap ring 222, then the cylinder 23 is pressed until the locking block 252 is clamped in the locking groove 2221, that is, the installation of the base 22 and the cylinder 23 is completed, then the machine-made sand sample is filled in the cylinder 23, after the cylinder 23 is tightly filled with the machine-made sand sample, the end cover 24 is placed on the cylinder 23, then the testing machine body 1 is started, the pressure head 12 of the testing machine body 1 drives the end cover 24 to descend in the cylinder 23, and then the machine-made sand sample in the cylinder 23 is pressurized, so that the compression test of the machine-made sand is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mechanism sand compression testing machine which characterized in that: including testing machine body (1) and mould subassembly (2), be equipped with bearing platform (11) on testing machine body (1), mould subassembly (2) are located bearing platform (11) are last, mould subassembly (2) include tray (21) and examination mould, spacing hole (111) have been seted up on bearing platform (11), the spacing post (212) of tray (21) bottom fixedly connected with, tray (21) peg graft through spacing post (212) in spacing hole (111), the examination mould place in on tray (21), the examination mould is used for liquid filling machine system sand sample.

2. The machine-made sand compression tester according to claim 1, wherein: the test mold comprises a base (22), a cylinder body (23) and an end cover (24), wherein the base (22) is placed on the tray (21), the cylinder body (23) is detachably connected with the base (22), the end cover (24) is located in the cylinder body (23), and the diameter of the end cover (24) is smaller than the inner diameter of the cylinder body (23).

3. The machine-made sand compression tester according to claim 2, wherein: fixedly connected with round snap ring (222) on base (22), seted up on the end wall of barrel (23) one end with snap ring (222) matched with annular (231), barrel (23) pass through annular (231) joint on snap ring (222).

4. The machine-made sand compression tester according to claim 3, wherein: be equipped with a plurality of fasteners (25) on barrel (23), fastener (25) are including locking lever (251), locking piece (252) and spring (253), annular (231) are kept away from hold chamber (2311) of seting up the level setting on the inner wall of barrel (23) axle center, hold chamber (2311) bottom and seted up slide opening (2312), locking lever (251) sliding connection is in slide opening (2312), locking lever (251) one end extend to hold in chamber (2311) and with locking piece (252) fixed connection, spring (253) cover is located on locking lever (251), spring (253) make locking lever (251) have the orientation and are close to the gliding trend of direction of snap ring (222), snap ring (222) seted up with locking piece (252) complex locked groove (2221), locking piece (252) joint is in locked groove (2221).

5. The machine-made sand compression tester according to claim 4, wherein: one end of the lock block (252) far away from the lock rod (251) is provided with a guide surface (2521), the direction from the retainer ring (222) to the end cover (24) is marked as direction A, and the guide surface (2521) is arranged along the direction A and inclines towards the direction far away from the lock rod (251).

6. The machine-made sand compression tester according to claim 4, wherein: one end, far away from the locking piece (252), of the locking rod (251) extends out of the sliding hole (2312) and is fixedly connected with a stop block (2512), and the stop block (2512) is used for preventing the locking rod (251) from falling off from the inside of the sliding hole (2312).

7. The machine-made sand compression tester according to claim 3, wherein: one side of the base (22) far away from the clamping ring (222) is fixedly connected with a central column (221), a central hole (213) is formed in the tray (21), and the base (22) is inserted into the central hole (213) through the central column (221).

8. The machine-made sand compression tester according to claim 1, wherein: the tray (21) is fixedly connected with a handle (211).