CN215677947U

CN215677947U - Concrete strength detects uses resiliometer convenient to vertical positioning

Info

Publication number: CN215677947U
Application number: CN202121634738.5U
Authority: CN
Inventors: 屈建民; 谭玮; 刘方亮; 阳旭; 洪平
Original assignee: Hunan Bolian Engineering Testing Co ltd
Current assignee: Hunan Bolian Testing Group Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-01-28
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a rebound tester for concrete strength detection, which is convenient for vertical positioning and comprises a bracket, an installation guide mechanism and an adjusting mechanism; the installation guiding mechanism comprises a positioning pad and a positioning frame, a protection pad is arranged at the bottom end of an inner cavity of the positioning frame, an adjusting screw rod is arranged at the top end of the positioning frame, the bottom end of the adjusting screw rod penetrates through the positioning frame to be connected with an extrusion pad, the bottom of the positioning frame is fixedly connected to the top of a movable sleeve, one side of the movable sleeve is fixedly connected with a first telescopic rod, one side of the first telescopic rod is fixedly connected with the positioning pad, the movable sleeve is sleeved on the surface of the movable frame, and one side of the movable frame is connected with a connecting shaft. The utility model has simple operation, is convenient to install the resiliometer for detecting the concrete through the positioning frame, the adjusting screw rod, the extrusion pad and the protection pad, avoids the situation of shaking caused by long-time holding, can be contacted with the wall surface through the positioning pad, the spring and the first telescopic rod, is convenient for controlling the angle through the connecting shaft, the second telescopic rod and the connecting block, and ensures that the resiliometer is vertical to the wall surface.

Description

Concrete strength detects uses resiliometer convenient to vertical positioning

Technical Field

The utility model relates to the field of concrete, in particular to a rebound tester for concrete strength detection, which is convenient for vertical positioning.

Background

The basic principle of the rebound tester is that a spring drives a heavy hammer, the heavy hammer impacts an impact rod which is vertically contacted with the surface of concrete with constant kinetic energy, so that the local concrete deforms and absorbs a part of energy, the other part of energy is converted into rebound kinetic energy of the heavy hammer, when the rebound kinetic energy is completely converted into potential energy, the rebound of the heavy hammer reaches the maximum distance, and the maximum rebound distance of the heavy hammer is displayed by the tester in the name of the rebound value (the ratio of the maximum rebound distance to the initial length of the spring).

Present building wall concrete strength resiliometer is all that handheld resiliometer implements the survey to the wall, and when the handheld resiliometer of present manpower implements the operation, because present resiliometer lacks the vertical location structure, lead to wall intensity to detect time measuring, its vertical operation relies on the operator judgement entirely, the accuracy that leads to the final test data of resiliometer is relatively poor, should design one kind on the resiliometer and can conveniently assist the structure of vertical location here, with the accuracy nature that improves the final test data of resiliometer. Therefore, a resiliometer for concrete strength detection that facilitates vertical positioning is proposed in view of the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a concrete strength detection resiliometer convenient for vertical positioning, which is used for solving the problem of inaccurate measurement in the prior art.

The utility model provides a concrete strength detects uses resiliometer convenient to vertical location, includes support and installation guiding mechanism, installation guiding mechanism includes location pad and locating rack, locating rack inner chamber bottom is equipped with the protection pad, the locating rack top is equipped with adjusting screw, the adjusting screw bottom runs through the locating rack and connects the extrusion pad, locating rack bottom rigid coupling is at the movable sleeve top, the first telescopic link of movable sleeve one side rigid coupling, first telescopic link one side rigid coupling locating pad, the movable sleeve cover is on the movable frame surface, the connecting axle is connected to movable frame one side, connecting axle one side rigid coupling removes the cover, support one side is equipped with the second telescopic link, movable sleeve and support are connected respectively through the connecting block in second telescopic link top and bottom.

Further, still include adjustment mechanism, adjustment mechanism includes the lead screw, removes frame and push rod, the support inner chamber is equipped with the lead screw, lead screw surface cover has the sliding sleeve, sliding sleeve one end runs through the support rigid coupling and removes the cover, the equal rigid coupling slide rail in support both sides, it is on the slide rail surface to remove the cover, the adjustable shelf inner chamber is equipped with and removes the frame, it is equipped with engaged with drive gear to remove the frame inboard, drive gear one side central authorities rigid coupling push rod, push rod one end runs through adjustable shelf rigid coupling movable sleeve inner wall.

Further, adjusting screw passes through the threaded connection locating rack, the adjusting screw bottom is rotated and is connected the extrusion pad, the extrusion pad is the arc structure, first telescopic link and second telescopic link are cup jointed each other by the body of two pipe diameters and are constituteed, connecting axle one side is equipped with the regulation turning block, the equal swing joint connecting block in second telescopic link top and bottom.

Further, the top and the bottom of the movable frame are fixedly connected with limit wheels, the limit wheels are attached to the inner wall of the movable frame, the movable sleeve is connected with the sliding rail in a sliding mode, the top of the screw rod rotates to be connected with the top of the inner cavity of the support, and the screw rod is connected with the sliding sleeve through threads.

Furthermore, a second bevel gear is fixedly connected to the bottom of the screw rod, the bottom of the second bevel gear is rotatably connected to the bottom of the inner cavity of the support, an adjusting rocker is arranged on one side of the support, one end of the adjusting rocker penetrates through the support and is fixedly connected with a first bevel gear, and the first bevel gear is meshed with the second bevel gear.

By adopting the installation guide mechanism, the utility model solves the problem of inaccurate measurement and ensures that the verticality effect of the resiliometer is good during detection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of one embodiment of the present invention;

FIG. 2 is an overall schematic view of one embodiment of the present invention;

FIG. 3 is a schematic view of a bracket according to an embodiment of the utility model;

FIG. 4 is a schematic view of a positioning frame according to an embodiment of the present invention;

fig. 5 is a partially enlarged view of a portion a of fig. 2 according to an embodiment of the utility model.

In the figure: 1. adjusting rocker, 2, remove the cover, 3, the support, 4, the slide rail, 5, the connecting axle, 6, adjusting screw, 7, the locating rack, 8, the spring, 9, the locating pad, 10, first telescopic link, 11, the movable sleeve, 12, the second telescopic link, 13, the connecting block, 14, the extrusion pad, 15, the protection pad, 16, first bevel gear, 17, the sliding sleeve, 18, the lead screw, 19, second bevel gear, 20, the push rod, 21, remove the frame, 22, drive gear, 23, the adjustable shelf.

Detailed Description

In order to make the technical solutions of the present invention better understood, 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.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The installation guide mechanism in this embodiment may be applicable to various concrete resiliometers, for example, the following concrete resiliometers are provided in this embodiment, and the installation guide mechanism in this embodiment may be used to install the following concrete resiliometers.

The concrete resiliometer comprises a cylinder body and a spring ink hammer, wherein the spring ink hammer is connected with the inner side wall of the cylinder body in a sliding mode; the two ends of the cylinder body are respectively provided with a front port and a rear port, the cylinder body comprises a straight cylinder body and a conical cylinder body, the straight cylinder body and the conical cylinder body are integrally formed, the front port is positioned at the small port of the conical cylinder body, and the rear port is positioned at one end of the straight cylinder body, which is far away from the conical cylinder body; the spring hammer may slide out through the rear port.

The elastic hammer is provided with a through hole in the axial direction, an elastic rod is arranged on the inner side wall of the through hole in a sliding mode in the axial direction, one end, close to a rear port, of the elastic rod is coaxially connected with a connecting rod, the outer side wall of the connecting rod is attached to the inner side wall of the through hole, the diameter of the elastic rod is larger than that of the connecting rod, when the elastic hammer slides on the connecting rod, the elastic rod can be impacted, and the elastic rod extends towards the direction of a front port and extends to the outside of the front port; the end wall of the connecting rod at the rear port is provided with a push plate, and the diameter of the push plate is larger than that of the through hole.

One end of the straight cylinder body, which is positioned at the rear port, is in threaded connection with a rear end cover so as to be used for plugging the rear port; one end of the conical cylinder body, which is positioned at the front port, is in threaded connection with a front end ring cover; the middle part of the front end ring cover is penetrated by the striking rod. The elastic-percussion bar is sleeved with a bolthole tension spring which comprises a plurality of screw pitch gaps, and the screw pitch gaps are gaps of the bolthole tension spring in the axial direction.

The mounting ring groove is formed in the end wall of the bolete tension spring, facing the bolete, and is used for being inserted into the end portion of the bolete tension spring; the outer wall of the spring body and the inner side wall of the straight cylinder body are attached is provided with a sliding hole, the sliding hole is communicated with the mounting ring groove, a fixing rod is arranged on the inner side wall of the sliding hole in a sliding mode, and one end of the fixing rod can be inserted into a screw pitch gap so as to fix one end of the spring body on the spring body.

Be connected with the elastic component between downthehole lateral wall of sliding and the dead lever lateral wall, the preferable compression spring of elastic component to make the dead lever evenly receive compression spring's motive force in the circumference, compression spring can release the dead lever from the pitch clearance.

Two inner side walls opposite to the mounting ring groove are respectively attached to the inner side wall and the outer side wall of the bolete tension spring, so that the shake of the bolete tension spring in the inner end portion of the mounting ring groove is reduced; the inner side wall of the mounting ring groove is provided with a rubber sheet which is positioned at one side of the sliding hole; the rubber sheet abuts against the outer side wall of the bolthole tension spring so as to further improve the stability of the end portion of the bolthole tension spring located in the mounting ring groove.

The fixing rod outer side wall and the end far away from the mounting ring groove are obliquely provided with guide surfaces, the guide surfaces can be abutted to the inner side wall of the rear port, and when the spring hammer is pushed into the straight cylinder body, the inner side wall of the rear port is abutted to the guide surfaces so that the fixing rod is inserted into a pitch gap.

The guide surface is embedded with a plurality of balls to reduce the friction between the guide surface and the inner side wall of the rear port.

The inner side wall of the sliding hole is provided with an anti-rotation groove along the axial direction, the outer side wall of the fixed rod is provided with an anti-rotation lug, and the anti-rotation lug is in convex-concave fit with the anti-rotation groove so as to effectively prevent the fixed rod from rotating.

An oil storage cavity is arranged inside the fixed rod and used for storing oil; the lateral wall of dead lever is provided with a plurality of all with the communicating oil filling hole of oil storage cavity, and the oil filling hole all is located compression spring department to be used for adding fluid for compression spring. The compression spring inside wall is provided with the sponge layer, and when the in-process of compression spring compression, the sponge layer can be cleaned the dead lever lateral wall.

The connecting pipe is arranged on the inner side wall of the front end ring cover, the screw is arranged on the outer side wall of the front end ring cover, and the screw abuts against the connecting pipe so as to fix the connecting pipe on the front end ring cover; the outer side wall of the connecting pipe is provided with a fixing hole, and a buckle rod is arranged at the end, located at the fixing hole, of the bolete spring in a bent mode to be inserted into the fixing hole to fix the bolete spring on the connecting pipe.

Of course, the embodiment can also be used for installing concrete resiliometers with other structures. Here, a description will not be repeated, and the following describes the installation guide mechanism according to the embodiment of the present invention.

Referring to fig. 1-5, a concrete strength testing resiliometer convenient for vertical positioning comprises a support 3 and a mounting guide mechanism, wherein the mounting guide mechanism comprises a positioning pad 9 and a positioning frame 7, a protection pad 15 is arranged at the bottom end of an inner cavity of the positioning frame 7, an adjusting screw 6 is arranged at the top end of the positioning frame 7, the bottom end of the adjusting screw 6 penetrates through the positioning frame 7 and is connected with an extrusion pad 14, the bottom of the positioning frame 7 is fixedly connected with the top of a movable sleeve 11, one side of the movable sleeve 11 is fixedly connected with a first telescopic rod 10, one side of the first telescopic rod 10 is fixedly connected with the positioning pad 9, the movable sleeve 11 is sleeved on the surface of a movable frame 23, one side of the movable frame 23 is connected with a connecting shaft 5, one side of the connecting shaft 5 is fixedly connected with a movable sleeve 2, one side of the support 3 is provided with a second telescopic rod 12, the top and the bottom of the second telescopic rod 12 are respectively connected with the movable sleeve 11 and the support 3 through a connecting block 13, the accuracy of detection can be improved.

The device is characterized by further comprising an adjusting mechanism, the adjusting mechanism comprises a lead screw 18, a moving frame 21 and a push rod 20, the lead screw 18 is arranged in an inner cavity of the support 3, a sliding sleeve 17 is sleeved on the surface of the lead screw 18, one end of the sliding sleeve 17 penetrates through the support 3 and is fixedly connected with a moving sleeve 2, sliding rails 4 are fixedly connected to two sides of the support 3, the moving sleeve 2 is sleeved on the surface of the sliding rail 4, the moving frame 21 is arranged in an inner cavity of the moving frame 23, a meshed driving gear 22 is arranged on the inner side of the moving frame 21, the push rod 20 is fixedly connected to the center of one side of the driving gear 22, one end of the push rod 20 penetrates through the moving frame 23 and is fixedly connected with the inner wall of the moving sleeve 11, and the position of the resiliometer can be adjusted for detection; the adjusting screw 6 is connected with the positioning frame 7 through threads, the bottom of the adjusting screw 6 is rotatably connected with the extrusion pad 14, the extrusion pad 14 is of an arc-shaped structure, the first telescopic rod 10 and the second telescopic rod 12 are formed by mutually sleeving pipe bodies with two pipe diameters, an adjusting rotating block is arranged on one side of the connecting shaft 5, the top and the bottom of the second telescopic rod 12 are movably connected with the connecting blocks 13, the installation of the resiliometer is facilitated, and time and labor are saved; the top and the bottom of the moving frame 21 are fixedly connected with limiting wheels, the limiting wheels are attached to the inner wall of the moving frame 23, the moving sleeve 2 is connected with the sliding rail 4 in a sliding mode, the top of the lead screw 18 is rotatably connected with the top of the inner cavity of the support 3, the lead screw 18 is connected with the sliding sleeve 17 through threads, the distance between the resiliometer and the wall surface can be controlled, and the position of the resiliometer can be controlled conveniently according to actual conditions; the bottom of the screw 18 is fixedly connected with a second bevel gear 19, the bottom of the second bevel gear 19 is rotatably connected with the bottom of an inner cavity of the support 3, one side of the support 3 is provided with an adjusting rocker 1, one end of the adjusting rocker 1 penetrates through the support 3 and is fixedly connected with a first bevel gear 16, and the first bevel gear 16 is meshed with the second bevel gear 19, so that the height can be controlled and detected.

When the device is used, electrical elements appearing in the device are externally connected with a power supply and a control switch when the device is used, when concrete strength is detected, a resiliometer is firstly placed inside a positioning frame 7, a supporting and protecting effect can be achieved through a protection pad 15, then an adjusting screw 6 is screwed to push an extrusion pad 14 to clamp the resiliometer, when the detection is performed, a knob on one side of a movable frame 23 is firstly screwed to drive a driving gear 22 to rotate, the driving gear 22 can control the movable frame 21 to move, a push rod 20 is conveniently controlled to push a movable sleeve 11 to move, the positioning pad 9 is enabled to be in contact with a wall through a spring 8 and a first telescopic rod 10, the resiliometer is guaranteed to perform vertical detection, the angle of the positioning pad 9 can be controlled through a connecting shaft 5, and the situation that the positioning pad 9 is in contact with the wall and cannot be skewed is guaranteed; in the control process, the rocking rod 1 can be adjusted in a shaking mode to drive the first bevel gear 16 to rotate, the second bevel gear 19 can be controlled to drive the screw rod 18 to rotate, the sliding sleeve 17 can be made to drive the movable sleeve 2 to move, the movable sleeve 2 can be used for controlling the rebound tester to move when the surface of the support 3 slides, the measurement of the rebound tester is not needed to be carried out in a handheld mode, shaking during measurement can be avoided, and the accuracy of measurement is improved.

The utility model has the advantages that:

1. the concrete detecting device is simple to operate, when the resiliometer is conveniently installed for detecting concrete through the positioning frame, the adjusting screw rod, the extrusion pad and the protection pad, the situation that the resiliometer shakes when being held by a hand for a long time is avoided, the locating pad, the spring and the first telescopic rod can be contacted with a wall surface, the connecting shaft, the second telescopic rod and the connecting block are convenient for controlling the angle, and the condition that the resiliometer is perpendicular to the wall surface is ensured;

2. the utility model has reasonable structure, can control the detection height through the bracket, the screw rod, the sliding sleeve, the moving sleeve, the second bevel gear, the sliding rail, the adjusting rocker and the first bevel gear, and can control the contact of the resiliometer and the wall surface through the driving gear, the movable frame, the push rod and the movable frame.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a concrete strength detects uses resiliometer convenient to vertical location which characterized in that: including support (3) and installation guiding mechanism, installation guiding mechanism includes locating pad (9) and locating rack (7), locating rack (7) inner chamber bottom is equipped with protection pad (15), locating rack (7) top is equipped with adjusting screw (6), adjusting screw (6) bottom runs through locating rack (7) and connects extrusion pad (14), locating rack (7) bottom rigid coupling is at activity cover (11) top, the first telescopic link (10) of activity cover (11) one side rigid coupling, first telescopic link (10) one side rigid coupling locating pad (9), movable sleeve (11) cover is on activity frame (23) surface, connecting axle (5) is connected to activity frame (23) one side, connecting axle (5) one side rigid coupling removes cover (2), support (3) one side is equipped with second telescopic link (12), activity cover (11) and support (3) are connected respectively through connecting block (13) in second telescopic link (12) top and bottom.

2. The rebound apparatus for testing concrete strength, which is convenient for vertical positioning, according to claim 1, wherein: still include adjustment mechanism, adjustment mechanism includes lead screw (18), removes frame (21) and push rod (20), support (3) inner chamber is equipped with lead screw (18), lead screw (18) surface cover has sliding sleeve (17), sliding sleeve (17) one end runs through support (3) rigid coupling and removes cover (2), the equal rigid coupling slide rail (4) in support (3) both sides, it overlaps on slide rail (4) surface to remove cover (2), adjustable shelf (23) inner chamber is equipped with removes frame (21), it is equipped with engaged with drive gear (22) to remove frame (21) inboard, drive gear (22) one side central authorities rigid coupling push rod (20), push rod (20) one end runs through adjustable shelf (23) rigid coupling movable sleeve (11) inner wall.

3. The rebound apparatus for testing concrete strength, which is convenient for vertical positioning, according to claim 1, wherein: adjusting screw (6) are through threaded connection locating rack (7), adjusting screw (6) bottom is rotated and is connected extrusion pad (14), extrusion pad (14) are the arc structure, first telescopic link (10) and second telescopic link (12) are cup jointed each other by the body of two pipe diameters and are constituteed, connecting axle (5) one side is equipped with the regulation turning block, equal swing joint connecting block (13) in second telescopic link (12) top and bottom.

4. The rebound apparatus for testing concrete strength, which is convenient for vertical positioning, according to claim 2, wherein: remove the equal rigid coupling spacing wheel in frame (21) top and bottom, spacing wheel and adjustable shelf (23) inner wall laminating, remove cover (2) sliding connection slide rail (4), connecting bracket (3) inner chamber top is rotated at lead screw (18) top, lead screw (18) are through threaded connection sliding sleeve (17).

5. The rebound apparatus for testing concrete strength, which is convenient for vertical positioning, according to claim 2, wherein: the bottom of the screw rod (18) is fixedly connected with a second bevel gear (19), the bottom of the second bevel gear (19) is rotatably connected with the bottom of an inner cavity of the support (3), an adjusting rocker (1) is arranged on one side of the support (3), one end of the adjusting rocker (1) penetrates through the support (3) and is fixedly connected with a first bevel gear (16), and the first bevel gear (16) is meshed with the second bevel gear (19).