CN220729854U - Pressure head of aggregate weak particle tester - Google Patents

Abstract

The utility model discloses a pressure head of an aggregate weak particle tester, which comprises a base, wherein a support rod is arranged on the base, a cross rod is arranged on the support rod, a screw is connected to the cross rod in a threaded manner, a handle is arranged on the screw, a pressure head is arranged under the screw in a rotating manner, a limit rod is arranged on the top wall of the pressure head, the limit rod penetrates through the cross rod to be fixed on the top wall of the pressure head, a bearing box is arranged under the pressure head on the base, and a limit assembly is further arranged on the cross rod. The utility model belongs to the technical field of weak particle detection, and particularly relates to a pressure head of an aggregate weak particle tester, which is provided with a bearing box, wherein a sample is arranged in the bearing box for extrusion test, the bearing box is detachable, broken stone is convenient to process, the workload of a tester is reduced, the test efficiency is improved, and meanwhile, a limiting rod is added, so that the pressure head always moves in the vertical direction, no rotation force is generated, and the measurement accuracy is ensured.

Description

Pressure head of aggregate weak particle tester

Technical Field

The utility model belongs to the technical field of weak particle detection, and particularly relates to a pressure head of an aggregate weak particle tester.

Background

At present, in order to ensure the quality requirement of engineering, an aggregate weak particle test is one of detection projects which are required to be performed in the project construction process. The device for measuring the content of the weak particles in the crushed stone, the gravel and the broken gravel is a weak particle tester. At present, no unified equipment exists for detecting the soft particles of the granules in China, and the equipment can be roughly divided into electric test equipment and manual test equipment, wherein the electric loading type test equipment is large in size, expensive and inconvenient to carry. During actual detection, the particles to be tested are extruded through downward movement of the screw rod, the bearing pressure is measured after the particles to be tested are broken, however, the device for testing through rotation can generate rotation force in the testing process, the particles to be tested are broken more easily due to the cooperation of the rotation force and the pressure, the problem of inaccurate measurement results is solved, the follow-up test is not affected, each group of test is completed, the test center plate is required to be cleaned by using the brush and the small shovel, the workload of a tester is increased, and the test efficiency is reduced.

Disclosure of Invention

In order to solve the problems, the utility model provides the pressure head of the aggregate weak particle tester, which is provided with the bearing box, so that a sample is positioned in the bearing box for extrusion test, the bearing box is detachable, broken stone is convenient to process, the work load of a tester is reduced, the test efficiency is improved, and meanwhile, the limit rod is added, so that the pressure head always moves in the vertical direction, no rotating force is generated, and the measurement accuracy is ensured.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: the utility model provides a weak granule apparatus pressure head gathers materials, includes the base, be equipped with the bracing piece on the base, be equipped with the horizontal pole on the bracing piece, threaded connection has the screw rod on the horizontal pole, be equipped with the handle on the screw rod, the screw rod rotates down and is equipped with the pressure head, be equipped with the gag lever post on the pressure head roof, the gag lever post runs through the horizontal pole and fixes on the pressure head roof, be located the pressure head on the base and be equipped with under and bear the box, still be equipped with spacing subassembly on the horizontal pole, will bear the box spacing fixedly.

Preferably, the spacing subassembly includes fastening bolt, connection riser, clamp plate, fixed block, spring, fixed plate, activity perforation one and spacing axle, the fixed plate is located on the horizontal pole upper and lower wall, spacing axle is fixed on the fixed plate lateral wall, activity perforation one is located on the horizontal pole, connection riser runs through activity perforation one and slides and cup joints on spacing epaxial, fastening bolt threaded connection is on the horizontal pole, the clamp plate runs through screw rod, gag lever post and connection riser rotation and locates under fastening bolt, the fixed block is fixed under connection riser, the spring housing is located spacing epaxial one end and is fixed on the fixed plate lateral wall other end and is fixed on connection riser lateral wall.

Preferably, the pressing plate and the close contact surface of the fixed block are obliquely arranged.

Preferably, a movable through hole II is arranged on the top wall of the pressing plate to provide space for the movement of the connecting vertical plate.

Preferably, a display table is arranged on the support rod.

The utility model adopts the structure to obtain the beneficial effects as follows: according to the pressure head of the aggregate weak particle tester, through the arrangement of the limiting assembly, the fastening bolt is rotated to drive the pressing plate to move downwards, the pressing plate drives the fixed block and the connecting vertical plate to move downwards, the connecting vertical plate moves in the first movable through hole and the second movable through hole and slides relative to the limiting shaft, the spring is compressed, the fixed block is close to the bearing box to clamp and fix the bearing box, the pressure head moves downwards through rotating the handle to squeeze broken stone, the pressure head always keeps vertical downwards under the action of the limiting rod, the broken stone is scattered in the bearing box after being crushed, the fastening bolt is screwed again, the bearing box is taken out, broken stone is processed, the work load of a tester is reduced, and the test efficiency is improved.

Drawings

FIG. 1 is an overall block diagram of an aggregate weak particle tester ram of the present utility model;

fig. 2 is a partial enlarged view at a in fig. 1.

Wherein, 1, a base, 2, a supporting rod, 3, a cross rod, 4, a screw rod, 5, a handle, 6, a pressure head, 7, a limit rod, 8, a bearing box, 9, a limit component, 10 and a fastening bolt, 11, connecting vertical plates, 12, pressing plates, 13, fixing blocks, 14, springs, 15, fixing plates, 16, first movable through holes, 17, limiting shafts, 18, second movable through holes, 19 and a display table.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the pressure head of the aggregate weak particle tester comprises a base 1, wherein a support rod 2 is arranged on the base 1, a display table 19 is arranged on the support rod 2, a cross rod 3 is arranged on the support rod 2, a screw 4 is connected with the cross rod 3 in a threaded manner, a handle 5 is arranged on the screw 4, a pressure head 6 is arranged under the screw 4 in a rotating manner, a limit rod 7 is arranged on the top wall of the pressure head 6, the limit rod 7 penetrates through the cross rod 3 and is fixed on the top wall of the pressure head 6, a bearing box 8 is arranged on the base 1 and is positioned under the pressure head 6, and a limit component 9 is also arranged on the cross rod 3; the limiting assembly 9 comprises a fastening bolt 10, a connecting vertical plate 11, a pressing plate 12, a fixed block 13, a spring 14, a fixed plate 15, a movable through hole 16 and a limiting shaft 17, wherein the fixed plate 15 is arranged on the upper wall and the lower wall of the cross rod 3, the limiting shaft 17 is fixed on the outer side wall of the fixed plate 15, the movable through hole 16 is arranged on the cross rod 3, the connecting vertical plate 11 penetrates through the movable through hole 16 to be sleeved on the limiting shaft 17 in a sliding manner, the fastening bolt 10 is in threaded connection with the cross rod 3, the pressing plate 12 penetrates through the screw 4, the limiting rod 7 and the connecting vertical plate 11 to be rotationally arranged under the fastening bolt 10, the fixed block 13 is fixed under the connecting vertical plate 11, and one end outside the limiting shaft 17 is sleeved on the outer side wall of the fixed plate 15 while the other end is fixed on the outer side wall of the connecting vertical plate 11.

The close facing surfaces of the pressing plate 12 and the fixed block 13 are obliquely arranged.

The top wall of the pressing plate 12 is provided with a movable through hole II 18.

When the device is specifically used, broken stone is placed on the base 1 below the pressure head 6 in the bearing box 8, the fastening bolt 10 is rotated to drive the pressure plate 12 to move downwards, the pressure plate 12 drives the fixed block 13 and the connecting vertical plate 11 to move downwards, the connecting vertical plate 11 moves in the first movable through hole 16 and the second movable through hole 18 and slides relative to the limiting shaft 17, the spring 14 is compressed, the fixed block 13 is close to the bearing box 8 to clamp and fix the bearing box 8, the handle 5 is rotated to enable the pressure head 6 to move downwards, the broken stone is extruded, the pressure head 6 always keeps vertically downwards under the action of the limiting rod 7, the broken stone is scattered in the bearing box 8 after being crushed, the pressure head 6 is internally provided with the pressure sensor, the pressure sensor is vertically displayed through the display screen on the display table 19, observation is facilitated, the fastening bolt 10 is screwed to drive the pressure plate 12 to ascend, the fixation of the bearing box 8 is released, the bearing box 8 is taken out, broken stone is processed, and the broken stone of the lower group is tested.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. An aggregate weak particle tester pressure head, its characterized in that: including base (1), be equipped with bracing piece (2) on base (1), be equipped with horizontal pole (3) on bracing piece (2), threaded connection has screw rod (4) on horizontal pole (3), be equipped with handle (5) on screw rod (4), screw rod (4) lower turn is equipped with pressure head (6), be equipped with gag lever post (7) on pressure head (6) roof, gag lever post (7) run through horizontal pole (3) and fix on pressure head (6) roof, be located pressure head (6) on base (1) and be equipped with under pressure head (6) and bear box (8), still be equipped with spacing subassembly (9) on horizontal pole (3).

2. An aggregate weakness granule meter head as claimed in claim 1, wherein: spacing subassembly (9) are including fastening bolt (10), connection riser (11), clamp plate (12), fixed block (13), spring (14), fixed plate (15), activity perforation one (16) and spacing axle (17), on the upper and lower wall of horizontal pole (3) is located to fixed plate (15), spacing axle (17) are fixed on fixed plate (15) lateral wall, activity perforation one (16) is located on horizontal pole (3), connect riser (11) run through activity perforation one (16) and slip cup joint on spacing axle (17), fastening bolt (10) threaded connection is on horizontal pole (3), clamp plate (12) run through screw rod (4), gag lever post (7) and connect riser (11) rotate locate under fastening bolt (10), fixed block (13) are fixed under connecting riser (11), spring (14) cover are located spacing axle (17) outer one end and are fixed on fixed plate (15) lateral wall other end on connecting riser (11) lateral wall.

3. An aggregate weakness granule meter head as claimed in claim 2, wherein: the close contact surfaces of the pressing plate (12) and the fixed block (13) are obliquely arranged.

4. An aggregate weakness granule meter head as claimed in claim 3, wherein: the top wall of the pressing plate (12) is provided with a movable perforation II (18).

5. An aggregate weakness granule meter head as claimed in claim 4, wherein: the support rod (2) is provided with a display table (19).