Tester for on-site detection of compressive strength of cement mortar

Abstract

The utility model relates to the technical field of constructional engineering detection instruments, in particular to a tester for detecting the compressive strength of cement mortar on site, which comprises a mounting frame, a jacking piece, a detector, a display and a stop block, the detector is arranged on the inner side of the mounting frame and used for containing cement mortar in the using state and detecting the compressive strength of the cement mortar. The jacking piece is installed at the bottom end of the inner side of the installation frame, and an ejector rod is connected with the detector. According to the utility model, on-site cement mortar is contained in a surrounding blocking manner through the detector, so that when the ejector rod of the jacking piece drives the detector to be matched with the check block to extrude the cement mortar, the extruded body and disintegrating slag of the cement mortar are stored on the inner side of the detector, and the disintegrating slag is prevented from splashing and falling off; meanwhile, the display displays the cement mortar pressure detection value of the detector, so that the tester for the compressive strength of the cement mortar is simple in structure and convenient and rapid to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering detection instrument technical field, concretely relates to a kind of test instrument of field detection cement mortar compressive strength. BACKGROUND

[0002] In order to guarantee the quality and safety of engineering, the compressive strength of cement mortar specimen is detected, which is a way to improve the quality and safety of construction engineering.

[0003] In the prior art, the Chinese patent document with the authorization announcement number CN220322903U discloses a test instrument for field detection of cement mortar compressive strength, which includes a device main body and a detection mechanism. The bottom of the device main body is provided with a bottom plate. An auxiliary device is arranged on the outer side of the device main body. The detection mechanism is installed inside the device main body. The detection mechanism includes a stop plate, a base, and a support seat. A telescopic cylinder is installed above the stop plate. Limiting rods are arranged on the outside of the support seat. A cleaning groove is arranged inside the base.

[0004] However, the above-mentioned scheme still has the following disadvantages:

[0005] 1. The internal structure is complex, the number of parts is large, and the maintenance is inconvenient.

[0006] 2. The base with a cavity and a through hole is installed below the support seat, which may cause the support seat to be depressed and the base to be driven, reducing the detection data precision. UTILITY MODEL CONTENTS

[0007] The utility model aims at the problems in the background art and provides a test instrument for field detection of cement mortar compressive strength.

[0008] The technical solution of the utility model is a test instrument for field detection of cement mortar compressive strength, which includes a mounting frame, a jacking piece, a detector, a display, and a stop block.

[0009] The detector is arranged on the inner side of the mounting frame for containing and detecting the compressive strength of cement mortar in the use state.

[0010] The jacking piece is installed on the inner side bottom end of the mounting frame, and the ejector rod is connected with the detector for moving the detector from the inner side of the mounting frame to the inner side top end of the mounting frame in the use state.

[0011] The stop block is arranged on the inner side top end of the mounting frame for extruding the cement mortar inside the detector moving upward in the use state.

[0012] The display is placed on the inner side top end of the mounting frame and connected with the detector wire for displaying the detection data of the detector in the use state.

[0013] Preferably, the side of the detector is in contact with the inner side wall of the mounting frame and moves up and down along the inner side wall of the mounting frame.

[0014] Preferably, the mounting frame comprises a frame, a fixed plate, a placing groove and an upper cover.

[0015] The fixed plate is installed at the bottom end of the frame on both sides and avoids having a through hole.

[0016] The placing groove is arranged at the top end of the frame for containing the display in the use state.

[0017] The upper cover is hingedly connected to the top end of the frame and covers the placing groove for protecting the display inside the placing groove in the use state.

[0018] Preferably, the upper cover comprises a cover plate and a lock catch.

[0019] The hinge is installed on the frame and covers the opening of the placing groove.

[0020] The lock catch has two parts, respectively installed on the frame and the cover plate for limiting the position of the cover plate in the use state.

[0021] Preferably, the inner bottom end of the frame is provided with a limiting groove, and the bottom end of the jacking member is fitted and accommodated in the limiting groove in the cooperation and installation state of the mounting frame and the jacking member.

[0022] Preferably, the detector comprises a support plate, a sensor and a containing shell.

[0023] The support plate is installed on the ejection rod of the jacking member.

[0024] The sensor is installed on the upper end surface of the support plate for detecting the compressive strength of the cement mortar in the use state.

[0025] The containing shell is installed at the top end of the sensor and is in sliding connection with the inner side of the mounting frame for limiting the containing shell in the use state.

[0026] Preferably, the support plate comprises a sleeve, a rib plate and a sleeve.

[0027] The sleeve is sleeved on the ejection rod of the jacking member.

[0028] The support plate body is installed at the top end of the sleeve and connected with the sensor for supporting the sensor in the use state.

[0029] The number of rib plates is multiple, and multiple rib plates are installed at equal angles on the outer side of the sleeve and connected with the support plate body for connecting the edges of the support plate body and the sleeve in the use state.

[0030] Preferably, the containing shell comprises a supporting plate, a baffle and a protective plate.

[0031] The tray is installed at the top end of the sensor for containing the cement mortar in use;

[0032] The baffle is installed at the upper end face edge of the tray and extends upward for blocking the cement mortar on the tray in use;

[0033] The protection plate is installed at the outer side of the tray and extends downward and wraps the outer side of the sensor and the support plate for protecting the sensor in use.

[0034] Preferably, the top end of the mounting frame is provided with notches b on both sides, the side face of the protection plate is provided with notches a, and the sensor is connected with the display through the notches a and the notches b by the lead wire.

[0035] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0036] The utility model discloses a test instrument for cement mortar compressive strength, which comprises a mounting frame, a support plate, a detector, a display and a protection plate. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a perspective view of an embodiment of the utility model.

[0038] Figure 2 It is a structure diagram of the upper cover opening of an embodiment of the utility model.

[0039] Figure 3 It is an explosion diagram of the detector structure of an embodiment of the utility model.

[0040] Figure 4 It is a structure diagram of the support plate of an embodiment of the utility model.

[0041] Figure 5 It is a structure diagram of the containing shell of an embodiment of the utility model.

[0042] Figure numerals: 1. Mounting frame; 11. Frame; 12. Limiting groove; 13. Fixing plate; 14. Placement groove; 15. Cover plate; 16. Lock; 17. Notch b; 2. Lifting member; 3. Detector; 31. Support plate; 311. Support plate body; 312. Rib plate; 313. Sleeve; 32. Sensor; 33. Container shell; 331. Support plate; 332. Baffle; 333. Protective plate; 334. Notch a; 4. Display; 5. Block. DETAILED DESCRIPTION

[0043] Example 1

[0044] like Figures 1-5 As shown, the utility model proposes an on-site testing instrument for testing the compressive strength of cement mortar, comprising a mounting frame 1, a lifting member 2, a detector 3, a display 4 and a stopper 5;

[0045] The detector 3 is arranged on the inner side of the mounting frame 1 and is used to hold cement mortar and detect its compressive strength when in use; wherein, the side of the detector 3 contacts the inner wall of the mounting frame 1 and moves up and down along the inner wall of the mounting frame 1 to limit the position of the detector 3 when in use to avoid rotation during movement.

[0046] The lifting member 2 is installed at the inner bottom end of the mounting frame 1 and the ejector rod is connected to the detector 3 for moving the detector 3 from the inner side of the mounting frame 1 to the inner top end of the mounting frame 1 in the use state; wherein the lifting member 2 is a hydraulic rod, a jack or the like in the prior art.

[0047] The stopper 5 is provided at the inner top end of the mounting frame 1 and is used to block the cement mortar inside the detector 3 when it moves upward, so that the cement mortar in the detector 3 is squeezed by the lifting member 2 driving the detector 3 upward;

[0048] The display 4 is placed on the inner side of the top end of the mounting frame 1 and is connected to the detector 3 by a wire for displaying the detection data of the detector 3 when in use.

[0049] In an optional embodiment, the mounting frame 1 includes a frame 11, a fixing plate 13, a placement slot 14 and an upper cover;

[0050] The fixing plates 13 are installed on both sides of the bottom end of the frame 11 and avoid having through holes;

[0051] The placement slot 14 is provided at the top of the frame 11 for placing the display 4 in the use state;

[0052] The upper cover is hingedly connected to the top of the frame 11 and covers the placement groove 14 to protect the display 4 inside the placement groove 14 when in use.

[0053] In an optional embodiment, the upper cover includes a cover plate 15 and a lock 16;

[0054] The hinge is mounted on the frame 11 and covers the opening of the placement slot 14;

[0055] The lock 16 has two parts, which are respectively installed on the frame 11 and the cover 15 to limit the position of the cover 15 when in use. The lock 16 is only shown in the figure for reference, and can be selected according to existing technology when in use.

[0056] In an optional embodiment, a limiting groove 12 is provided at the inner bottom end of the frame 11 , and when the mounting frame 1 and the lifting member 2 are in a mating installation state, the bottom end of the lifting member 2 is accommodated in the limiting groove 12 .

[0057] After the mortar is put into the hopper 11, the hopper 13 is moved upwards to move the mortar into the hopper 12. In this embodiment, the mounting frame 1 is fixed by the fixing plate 13, the detector 3 is used to hold the on-site cement mortar, and the detector 3 drives the cement mortar to the inner side of the mounting frame 1, so that the edge of the detector 3 is slidably connected with the inner wall of the frame 11, and the detector 3 is moved downwards and sleeved on the ejection rod of the jacking member 2, and the upper cover is opened, so that the display 4 is placed in the placement groove 14 for use or directly taken out for use, and the ejection rod of the jacking member 2 is moved upwards, so that the detector 3 drives the cement mortar to move toward the stopper 5. During the movement, the bottom end of the stopper 5 is inserted into the inner side of the top end of the detector 3 and contacts the cement mortar, and the ejection rod of the jacking member 2 is continuously moved upwards, so that the stopper 5 generates resistance to it. The cement mortar inside the detector 3 is subjected to the pressure generated by the upward movement of the ejection rod of the jacking member 2, and the pressure detection value of the detector 3 is displayed on the display 4, so that the structure of the cement mortar compressive strength tester is simple and the detection is convenient and fast.

[0058] Example 2

[0059] like Figure 3 As shown, the present invention proposes an on-site testing instrument for testing the compressive strength of cement mortar. Compared with the first embodiment, in this embodiment, the detector 3 includes a support plate 31, a sensor 32 and a containing shell 33;

[0060] The support plate 31 is mounted on the ejector rod of the jacking member 2;

[0061] The sensor 32 is mounted on the upper end surface of the support plate 31 and is used to detect the compressive strength of the cement mortar when in use and transmit the pressure data to the display 4;

[0062] The receiving shell 33 is mounted on the top of the sensor 32 and the side surface is slidably connected to the inner side of the mounting frame 1 for limiting the receiving shell 33 in use.

[0063] In the embodiment, the support plate 31 is sleeved on the ejection rod of the jacking member 2, and the sensor 32 is installed and supported, so that the containing shell 33 is horizontally installed on the sensor 32, and when the containing shell 33 contains cement mortar and moves upward through the jacking member 2, the sensor 32 detects that the containing shell 33 encounters resistance of the stop block 5, and the pressure of the cement mortar inside the containing shell 33 is detected.

[0064] Embodiment three

[0065] As shown in Figure 4 the utility model discloses a kind of test instruments for detecting cement mortar compressive strength on site, compared with embodiment two, in the embodiment, support plate 31 includes sleeve 313, web 312 and sleeve 313;

[0066] Sleeve 313 is sleeved on the ejection rod of the jacking member 2, and the middle part is gap matched with the ejection rod of the jacking member 2, to avoid the situation of shaking in use process;

[0067] Support plate body 311 is installed at the top of sleeve 313 and connected with sensor 32 for supporting sensor 32 in use state;

[0068] The number of web 312 has multiple, multiple web 312 is installed at the outside of sleeve 313 at equal angle and is connected with support plate body 311, for connecting the edge of support plate body 311 with sleeve 313 in use state, so that the pressure on the upper end surface edge of support plate body 311 is borne by sleeve 313, improve the installation stability of support plate body 311 and the stability of sensor 32 and containing shell 33 installed on support plate body 311.

[0069] Embodiment four

[0070] As shown in Figure 5 the utility model discloses a kind of test instruments for detecting cement mortar compressive strength on site, compared with embodiment two, in the embodiment, containing shell 33 includes support plate 331, baffle 332 and protection plate 333;

[0071] Support plate 331 is installed at the top of sensor 32 for containing cement mortar in use state, and makes cement mortar be extruded on support plate 331 for compression detection;

[0072] Baffle 332 is installed at the upper end surface edge of support plate 331 and extends upward for blocking the splashing of the debris of cement mortar on support plate 331 under pressure in use state, and avoiding the situation that cement mortar falls off on support plate 331;Wherein, the outside dimension of stop block 5 is gap matched with the inside dimension of baffle 332, to avoid that stop block 5 moves to the inside of baffle 332 and appears larger gap.

[0073] The protective plate 333 is installed on the outside of the support plate 331 and extends downward, and is wrapped around the outside of the sensor 32 and the support plate 31 to protect the sensor 32 when in use to prevent the sensor 32 from being damaged.

[0074] In an optional embodiment, notches b17 are provided on both sides of the top of the mounting frame 1, and a notch a334 is provided on the side of the protective plate 333. The sensor 32 is connected to the display 4 through a wire passing through the notch a334 and the notch b17.

[0075] In summary, when the present invention is in use, the frame 11 is fixed by the fixing plate 13, the detector 3 is used to hold the on-site cement mortar, and the detector 3 drives the cement mortar to move to the inner side of the frame 11, so that the edge of the protective plate 333 is slidably connected with the inner wall of the frame 11, and the sleeve 313 is moved downward to be sleeved on the ejection rod of the jacking part 2, and the cement mortar is placed above the ejection rod of the jacking part 2. At the same time, the lock 16 is opened, and the cover 15 is flipped upward, so that the display 4 is placed in the placement groove 14 for use or directly taken out for use, and the ejection rod of the jacking part 2 is moved upward, so that the detector 3 drives the cement mortar to move toward the stopper 5. During the movement, the bottom end of the stopper 5 is inserted into the stopper 5. It is connected to the inner side of the baffle 332 and contacts with the cement mortar, so that the block 5 generates resistance to it, and the ejector rod of the jacking part 2 continues to move upward. The cement mortar inside the detector 3 and the sensor 32 are both subjected to the pressure generated by the upward movement of the ejector rod of the jacking part 2. At the same time, the baffle 332 blocks the splashing of the crushed debris of the cement mortar on the support plate 331, thereby preventing the cement mortar from falling off on the support plate 331, so that the cement mortar and debris after detection are stored on the inner side of the support plate 331, and the sensor 32 detects the pressure and displays the pressure detection value of the sensor 32 on the display 4, so that the structure of the cement mortar compressive strength tester is simple and the detection is convenient and fast.

[0076] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A tester for on-site testing of the compressive strength of cement mortar, characterized in that: It comprises a mounting frame (1), a lifting member (2), a detector (3), a display (4) and a stopper (5); The detector (3) is arranged on the inner side of the mounting frame (1) and is used to hold cement mortar and detect its compressive strength when in use; The lifting member (2) is installed at the inner bottom end of the mounting frame (1), and the ejection rod is connected to the detector (3) for moving the detector (3) from the inner side of the mounting frame (1) to the inner top end of the mounting frame (1) in a use state; A stopper (5) is provided at the inner top end of the mounting frame (1) and is used to squeeze the cement mortar on the inner side of the upwardly moving detector (3) when in use; The display (4) is placed on the inner side of the top end of the mounting frame (1) and is connected to the lead wire of the detector (3) for displaying the detection data of the detector (3) in a use state.

2. The tester for on-site detection of compressive strength of cement mortar according to claim 1, characterized in that: The side surface of the detector (3) contacts the inner side wall of the mounting frame (1) and moves up and down along the inner side wall of the mounting frame (1).

3. The tester for on-site detection of compressive strength of cement mortar according to claim 1, characterized in that: The mounting frame (1) comprises a frame (11), a fixing plate (13), a placement slot (14) and an upper cover; The fixing plate (13) is installed on both sides of the bottom end of the frame (11) and avoids having through holes; A placement slot (14) is provided at the top of the frame (11) for holding the display (4) when in use; The upper cover is hingedly connected to the top of the frame (11) and covers the placement groove (14) to protect the display (4) inside the placement groove (14) when in use.

4. The tester for on-site detection of compressive strength of cement mortar according to claim 3, characterized in that: The upper cover comprises a cover plate (15) and a lock catch (16); The hinge is mounted on the frame (11) and covers the opening of the placement slot (14); The lock catch (16) has two parts, which are respectively mounted on the frame (11) and the cover plate (15) for limiting the position of the cover plate (15) in a use state.

5. The tester for on-site detection of compressive strength of cement mortar according to claim 3, characterized in that: A limiting groove (12) is provided at the inner bottom end of the frame (11); when the mounting frame (1) and the lifting member (2) are in a cooperatively installed state, the bottom end of the lifting member (2) is accommodated in the limiting groove (12).

6. The tester for on-site detection of compressive strength of cement mortar according to claim 1, characterized in that: The detector (3) comprises a support plate (31), a sensor (32) and a containing shell (33); The support plate (31) is mounted on the ejector rod of the jacking member (2); The sensor (32) is mounted on the upper end surface of the support plate (31) and is used to detect the compressive strength of the cement mortar in use; The containing shell (33) is mounted on the top of the sensor (32) and its side is slidably connected to the inner side of the mounting frame (1) for limiting the position of the containing shell (33) in a use state.

7. The tester for on-site detection of compressive strength of cement mortar according to claim 6, characterized in that: The support plate (31) includes a sleeve (313), a rib plate (312) and a sleeve (313); The sleeve (313) is sleeved on the ejection rod of the jacking member (2); The support plate body (311) is installed on the top end of the sleeve (313) and is connected to the sensor (32) for supporting the sensor (32) in a use state; There are multiple ribs (312), which are installed at equal angles on the outside of the sleeve (313) and connected to the support plate body (311) for connecting the edge of the support plate body (311) and the sleeve (313) in use.

8. The tester for on-site detection of compressive strength of cement mortar according to claim 6, characterized in that: The containing shell (33) includes a supporting plate (331), a baffle (332) and a protective plate (333); The support plate (331) is mounted on the top of the sensor (32) and is used to hold cement mortar when in use; The baffle (332) is installed at the edge of the upper end surface of the supporting plate (331) and extends upward to block the cement mortar on the supporting plate (331) when in use; The protective plate (333) is installed on the outer side of the supporting plate (331) and extends downward, and is wrapped around the outer side of the sensor (32) and the supporting plate (31) to protect the sensor (32) when in use.

9. The tester for on-site detection of compressive strength of cement mortar according to claim 8, characterized in that: Notches b (17) are provided on both sides of the top of the mounting frame (1), and a notch a (334) is provided on the side of the protective plate (333). The sensor (32) is connected to the display (4) via a wire passing through the notch a (334) and the notch b (17).

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