Cement compression-resistant clamp for compression testing machine

Abstract

The utility model discloses a cement compression-resistant clamp for a compression testing machine. Belongs to the technical field of cement compression-resistant clamps. According to the technical scheme, the device comprises a base, a cylindrical support is arranged on the base, a pressing groove used for containing a cement test piece is formed in the cylindrical support, and a downward pressing assembly is arranged at the position, at the upper end of the pressing groove, of the cylindrical support; a cylindrical support is arranged on the base, a splash-proof rotary drum is arranged outside the cylindrical support in a sleeving manner, two fixing holes are formed in the side wall of the base, the axial directions of the two fixing holes are perpendicular to each other, and elastic plug pins matched with the fixing holes are arranged on the splash-proof rotary drum; the utility model aims to provide the cement compression-resistant clamp for the compression testing machine, which is simple and stable in structure, and prevents splashing; the device is used for cement pressure test.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compression clamp, more specifically, especially relates to a cement compression clamp for pressure testing machine. BACKGROUND

[0002] The cement compression clamp is a detection device for detecting the performance of cement and is used for detecting the compressive strength of cement.

[0003] In the current cement compression clamp, a protective sleeve that slides up and down is arranged on the compression clamp to prevent splashing. SUMMARY

[0004] The utility model discloses a cement compression clamp for pressure testing machine that is simple in structure, prevents splashing and is stable in structure.

[0005] The utility model discloses a cement compression clamp for pressure testing machine, which comprises a base, a cylindrical support is arranged on the base, a pressing groove for placing a cement test piece is arranged on the cylindrical support, a lower pressing assembly is arranged on the cylindrical support at the upper end of the pressing groove, a splash-proof rotating drum is arranged on the cylindrical support, two fixing holes are arranged on the side wall of the base, the axial directions of the two fixing holes are perpendicular to each other, an elastic bolt that is matched with the fixing holes is arranged on the splash-proof rotating drum.

[0006] The cylindrical support comprises two vertical supports arranged on the base, a mounting seat for mounting the lower pressing assembly is arranged at the upper end of the vertical supports, a stepped hole is arranged on the mounting seat, a threaded hole that is matched with the stepped hole is arranged on the vertical support, and the stepped hole and the threaded hole are fixed through a screw.

[0007] The lower pressing assembly comprises a pressing rod arranged on the cylindrical support, a pressing head is arranged at the upper end of the pressing rod, a pressing plate is detachably arranged at the bottom of the pressing rod, at least two return springs are arranged at the lower end of the pressing head, and a mounting groove that is matched with the return springs is arranged on the cylindrical support.

[0008] The presser rod bottom is provided with an installation plug, and the pressing plate is provided with a limiting seat matched with the installation plug.

[0009] The anti-splashing rotating cylinder comprises a cylindrical baffle matched with the outer diameter of the cylindrical support, and discharge ports matched with the pressing grooves are symmetrically arranged on the cylindrical baffle; a positioning step cylinder matched with the base is arranged at the lower end of the cylindrical baffle, and the elastic latch is arranged on the positioning step cylinder; and an observation window matched with the pressing grooves is arranged on the cylindrical baffle.

[0010] The anti-splashing rotating cylinder is used for shielding the openings on both sides of the pressing grooves, so that the cement debris is prevented from splashing, the elastic latch is fixed in the fixing hole of the base, the elastic latch and the fixing hole are not easy to loosen, the structure is simple, the operation is convenient, and the efficiency can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model makes further detailed description in combination with the embodiment in the drawings, but does not constitute any limit to the utility model.

[0012] Figure 1 It is the structural schematic diagram of the utility model;

[0013] Figure 2 It is the structural schematic diagram of the cylindrical support of the utility model;

[0014] Figure 3 It is the structural schematic diagram of the anti-splashing rotating cylinder of the utility model;

[0015] Figure 4 It is the side view cross section structural schematic diagram of the utility model;

[0016] Figure 5 It is the front view cross section structural schematic diagram of the utility model.

[0017] In the drawing: 1, base; 2, cylindrical support; 2a, vertical support; 2b, mounting seat; 2c, step hole; 2d, screw hole; 3, pressing groove; 4, lower pressing assembly; 4a, presser rod; 4b, press head; 4c, pressing plate; 4d, return spring; 4e, installation slot; 4f, installation plug; 4g, limiting seat; 4h, fastening bolt; 5, anti-splashing rotating cylinder; 5a, cylindrical baffle; 5b, discharge port; 5c, positioning step cylinder; 5d, observation window; 6, fixing hole; 7, elastic latch. DETAILED DESCRIPTION

[0018] Refer to Figures 1-5 The utility model discloses a cement compression resistance clamp for pressure testing machine, including base 1, be equipped with the cylindrical support 2 on base 1, be equipped with the pressure groove 3 for placing cement test piece on the cylindrical support 2, be equipped with the lower pressure subassembly 4 on the cylindrical support 2 of pressure groove 3 upper end, be equipped with the splashproof rotating cylinder 5 of outer sleeve on the cylindrical support 2, be equipped with two fixed holes 6 on the lateral wall of base 1, the axial direction of two fixed holes 6 is perpendicular to each other, be equipped with the elastic bolt 7 of cooperation with fixed hole 6 on the splashproof rotating cylinder 5. By rotating the splashproof rotating cylinder and shielding the opening of the pressure groove on both sides, the cement debris is prevented from splashing, the elastic bolt is fixed in the fixed hole on the base, the elastic bolt and the fixed hole are not easy to loosen, and the structure is simple, easy to operate, and the efficiency can be effectively improved. Even if the elastic bolt is damaged or loosened, the splashproof rotating cylinder rotating in the circumferential direction is not easy to rotate automatically when not subjected to artificial external force, and will not block the pressure groove and affect the placement of the test piece.

[0019] In the embodiment, the cylindrical support 2 includes two vertical supports 2a arranged on the base 1, and a mounting seat 2b for mounting the lower pressure subassembly 4 is arranged at the upper end of the vertical support 2a; a stepped hole 2c is arranged on the mounting seat 2b, and a threaded hole 2d matched with the stepped hole 2c is arranged on the vertical support 2a, and the stepped hole 2c and the threaded hole 2d are fixed by a screw. After adopting this structure, the mounting seat can be detached, so that the upper end of the pressure groove is in an open state, and the cement debris left on the pressure groove is conveniently cleaned.

[0020] In the embodiment, preferably, the lower pressure subassembly 4 includes a pressing rod 4a arranged on the cylindrical support 2, a pressing head 4b is arranged at the upper end of the pressing rod 4a, and a pressing plate 4c is detachably arranged at the bottom of the pressing rod 4a; at least two return springs 4d are arranged at the lower end of the pressing head 4b, and a mounting groove 4e matched with the return springs 4d is arranged on the cylindrical support 2. The two sides of the pressing plate are in close contact with the inner wall of the cylindrical support, and are guided by the inner wall of the cylindrical support to avoid deviation of the pressing plate when being pressed down.

[0021] Further preferably, the bottom of the pressing rod 4a is provided with an installation plug 4f, a limiting seat 4g matched with the installation plug 4f is arranged on the pressing plate 4c, and the installation plug 4f and the limiting seat 4g are connected by a fastening bolt 4h. This structure facilitates the installation of the pressing plate.

[0022] In the embodiment, the splash-proof rotating drum 5 comprises a cylindrical baffle 5a which is adapted to the outer diameter of the cylindrical support 2, and on the cylindrical baffle 5a, discharge openings 5b which are adapted to the pressing grooves 3 are symmetrically arranged; a positioning step cylinder 5c which is adapted to the base 1 is arranged at the lower end of the cylindrical baffle 5a, and the elastic pin 7 is arranged on the positioning step cylinder 5c; and an observation window 5d which is matched with the pressing grooves 3 is arranged on the cylindrical baffle 5a. In the initial state, the discharge openings are adapted to the opening of the pressing grooves, and when the cement test piece is placed, the cylindrical baffle is rotated by 90° to shield the opening of the pressing grooves. After the structure is adopted, the positioning step cylinder is matched with the base, so that the cylindrical baffle is not easy to incline, and it is ensured that the cylindrical baffle can be smoothly rotated. The observation window is arranged for observing the pressure test condition of the internal test piece.

[0023] During work, the cement test piece is placed on the pressing groove, the elastic pin is pulled out, the cylindrical baffle is rotated by 90° to shield the opening of the pressing groove, the elastic pin is matched with another fixed hole, the pressing head is pressed, and the pressing plate presses the cement test piece to perform the pressure test.

[0024] The above-mentioned embodiments are the preferred embodiments of the utility model, which are only used to facilitate the description of the utility model and do not limit the utility model in any form. Any person skilled in the art can make equivalent embodiments by making partial changes or modifications within the range of the technical features of the utility model without departing from the technical features of the utility model, and the equivalent embodiments still belong to the range of the technical features of the utility model.

Claims

1. A cement compressive strength fixture for a pressure testing machine, comprising a base (1), characterized in that, The base (1) is provided with a cylindrical support (2), and a pressure groove (3) for placing cement specimens is provided on the cylindrical support (2). A pressing component (4) is provided on the cylindrical support (2) at the upper end of the pressure groove (3). A splash-proof rotating cylinder (5) is provided on the outer sleeve of the cylindrical support (2). Two fixing holes (6) are provided on the side wall of the base (1). The axes of the two fixing holes (6) are perpendicular to each other. An elastic pin (7) that cooperates with the fixing holes (6) is provided on the splash-proof rotating cylinder (5).

2. The cement compressive strength fixture for a pressure testing machine according to claim 1, characterized in that, The cylindrical support (2) includes two vertical supports (2a) disposed on the base (1). The upper end of the vertical support (2a) is provided with a mounting seat (2b) for installing the pressing component (4). The mounting seat (2b) is provided with a stepped hole (2c), and the vertical support (2a) is provided with a threaded hole (2d) that mates with the stepped hole (2c). The stepped hole (2c) and the threaded hole (2d) are fixed together by screws.

3. A cement compressive strength fixture for a pressure testing machine according to claim 1, characterized in that, The pressing assembly (4) includes a pressing rod (4a) disposed on a cylindrical support (2), a pressing head (4b) provided at the upper end of the pressing rod (4a), and a pressure plate (4c) detachably disposed at the bottom of the pressing rod (4a); at least two return springs (4d) are provided at the lower end of the pressing head (4b), and a mounting groove (4e) that cooperates with the return springs (4d) is provided on the cylindrical support (2).

4. A cement compressive strength fixture for a pressure testing machine according to claim 3, characterized in that, The bottom of the pressing rod (4a) is provided with a mounting block (4f), and the pressure plate (4c) is provided with a limiting seat (4g) that cooperates with the mounting block (4f). The mounting block (4f) and the limiting seat (4g) are connected by fastening bolts (4h).

5. A cement compression clamp for a pressure testing machine according to claim 1, characterized in that, The splash-proof rotating cylinder (5) includes a cylindrical baffle (5a) adapted to the outer diameter of the cylindrical support (2), and a discharge port (5b) adapted to the pressure groove (3) is symmetrically provided on the cylindrical baffle (5a); a positioning step cylinder (5c) adapted to the base (1) is provided at the lower end of the cylindrical baffle (5a), and the elastic pin (7) is provided on the positioning step cylinder (5c); an observation window (5d) that cooperates with the pressure groove (3) is provided on the cylindrical baffle (5a).

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