Surface roughness detector for concrete pouring object

Abstract

The utility model discloses a surface roughness detector for a concrete pouring object. The surface roughness detector comprises a detector body, the detector body is connected with a cable, the cable is connected with a detection end, the detection end is connected with a contact pin, and the detection end is provided with a contact pin pressure control assembly wrapping the contact pin. The contact pin pressure control assembly comprises a rear side square ring and a front side square ring, a damping rod piece is arranged between the rear side square ring and the front side square ring, four ferrules are embedded and fixed to the front side surface of the front side square ring, and balls are arranged in inner cavities of the ferrules in a rolling mode. According to the utility model, by virtue of four damping rod pieces inside the contact pin pressure control assembly, the pressing force of the contact pin in operation is buffered before the contact pin of the detector is in contact with the surface of concrete, so that the contact pin is prevented from being damaged due to too large and too fast pressing force of an operator, or the contact pin pressure cannot be moderate during measurement, and the detection accuracy is improved. Measurement errors are caused by overlarge pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to roughness detector equipment technical field, concretely relates to a surface roughness detector of concrete pouring. BACKGROUND

[0002] The surface roughness detector of concrete pouring is a kind of instrument specially used to measure the roughness of concrete surface, which usually adopts contact measurement principle, and is vertically contacted with the measured concrete surface by stylus and slides along the surface.The stylus moves up and down in the sliding process due to the peak and valley fluctuation of surface profile, and this movement is converted into electrical signal for processing, so as to obtain the roughness value of concrete surface.

[0003] When using roughness detector to measure, the measuring environment should be kept stable, and temperature, humidity and other factors should be avoided to affect the measurement result, and the stylus pressure during measurement should be moderate.However, in the actual use process, the operator holds the probe to contact the stylus with concrete, and it is difficult to grasp the force, too fast contact speed or too large contact force, which not only causes different degrees of damage to the stylus, but also too large or too small pressure may cause measurement error. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiencies of prior art, and provides a surface roughness detector of concrete pouring to solve the problems in the background art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A surface roughness detector of concrete pouring, comprising a detector body, a cable connected to the front end of the detector body, a detection end connected to the end of the cable, a stylus connected to the front end of the detection end, and a stylus pressure control assembly arranged on the front end surface of the detection end to wrap the stylus;

[0007] The stylus pressure control assembly comprises a rear square ring fixed on the front side position of the outer circle surface of the detection end, a front square ring arranged on the front side of the detection end and located outside the stylus, four damping rod members arranged on the four corners of the side of the rear square ring and the front square ring, four sleeve rings embedded and fixed on the front side surface of the front square ring, and rolling balls arranged in the inner cavity of the sleeve ring;

[0008] The damping rod member comprises a hollow tube, a movable rod inserted into the inner cavity of the hollow tube, and a cylindrical spring arranged in the inner cavity of the hollow tube, a rubber piston movably arranged in the inner cavity of the hollow tube, the front end of the rubber piston connected with one end of the movable rod in the inner cavity of the hollow tube, and an exhaust hole formed on the upper surface of the hollow tube.

[0009] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the front end face of the front side square ring is provided with four recesses for embedding and fixing the collar.

[0010] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the front end face of the collar is flush with the front end face of the front side square ring.

[0011] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the front end head of the ball is 2mm-3mm higher than the front end face of the front side square ring.

[0012] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the rear end of the hollow tube is fixedly connected with the front end of the rear side square ring, and the front end of the movable rod is fixedly connected with the rear end of the front side square ring.

[0013] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the front end of the cylindrical spring is connected with one end of the movable rod in the inner cavity of the hollow tube, and the rear end of the cylindrical spring is fixedly connected with the inner cavity rear side wall of the hollow tube.

[0014] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the outer circle surface of the rubber piston is in close contact with the inner cavity side wall of the hollow tube.

[0015] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the top surface front side of the detector body is provided with a display panel, and the top surface rear side of the detector body is installed with a plurality of control buttons.

[0016] As a kind of preferred scheme of the surface roughness detector of concrete pouring, the front end head of the detector body is fixedly provided with a wire harness connector, and the front end of the wire harness connector is connected with one end of the cable away from the detection head.

[0017] The surface roughness detector of concrete pouring has the following beneficial effects:

[0018] The surface roughness detector of concrete pouring has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings required to be used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0020] Figure 1 It is the overall structure schematic diagram of the surface roughness detector of the concrete pouring object of the present application.

[0021] Figure 2 It is the structure schematic diagram after the stylus pressure control assembly is removed of the surface roughness detector of the concrete pouring object of the present application.

[0022] Figure 3 It is the split structure schematic diagram of the stylus pressure control assembly of the present application.

[0023] Figure 4 It is the local part exploded schematic diagram of the stylus pressure control assembly of the present application.

[0024] In the drawings:

[0025] 1, detector body; 2, wire harness connector; 3, stylus pressure control assembly; 31, rear square ring; 32, damping rod; 321, hollow tube; 322, cylindrical spring; 323, exhaust hole; 324, rubber piston; 325, movable rod; 33, front square ring; 34, groove; 35, sleeve ring; 36, ball; 4, cable; 5, detection end; 6, stylus; 7, control button; 8, display panel. DETAILED DESCRIPTION

[0026] The technical scheme of the present application will be further illustrated by specific embodiments in combination with the drawings.

[0027] Among them, the drawings are only used for example explanation, and the representation is only a schematic diagram, not a real object diagram, and cannot be understood as a limitation of the present patent; in order to better illustrate the embodiments of the present application, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted.

[0028] The same or similar reference signs in the drawings of the embodiments of the present utility model correspond to the same or similar components; in the description of the present utility model, it is understood that, if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or position relationship shown in the drawings, they are only for the 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 particular orientation, be constructed in a particular orientation and be operated, therefore the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as limiting the present patent, for ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0029] In the description of the present utility model, unless explicitly specified and limited, if the terms "connection" and the like indicate the connection relationship between components, the terms should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or can be integrated; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium; can be the communication inside two components or the interaction relationship between two components. For ordinary skilled persons in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0030] As shown in Figure 1 and Figure 2 The present utility model provides a kind of surface roughness detector of concrete pouring, including detector machine body 1, the front end of detector machine body 1 is connected with cable 4, the end of cable 4 is connected with detection end 5, the front end of detection end 5 is connected with stylus 6, the front end surface of detection end 5 is provided with stylus pressure control assembly 3 that stylus 6 is wrapped;

[0031] As shown in Figure 3 Stylus pressure control assembly 3 specifically includes rear square ring 31 fixed in the front side position of the outer circle surface of detection end 5, front square ring 33 located at the outer circle of detection end 5 front side, rear square ring 31 and front square ring 33 are provided with a damping rod 32 in the four corners of one side, 4 sleeve rings 35 are embedded and fixed on the front surface of front square ring 33, and rolling balls 36 are arranged in the inner cavity of sleeve ring 35;

[0032] As shown in Figure 4 Damping rod 32 specifically includes hollow tube 321, movable rod 325 inserted into the inner cavity of hollow tube 321, and cylindrical spring 322 arranged in the inner cavity of hollow tube 321, rubber piston 324 is movably arranged in the inner cavity of hollow tube 321, the front end of rubber piston 324 is connected with one end of movable rod 325 in the inner cavity of hollow tube 321, and exhaust hole 323 is formed in the upper surface of hollow tube 321.

[0033] Specifically, the front side of the front square ring 33 is provided with four grooves 34 for embedding and fixing the sleeve ring 35, and the front end of the sleeve ring 35 is flush with the front end of the front square ring 33. The front end of the ball 36 is 2-3mm higher than the front end of the front square ring 33.

[0034] More specifically, the rear end of the hollow tube 321 is fixedly connected with the front end of the rear square ring 31, and the front end of the movable rod 325 is fixedly connected with the rear end of the front square ring 33. The front end of the cylindrical spring 322 is connected with one end of the movable rod 325 in the inner cavity of the hollow tube 321, the rear end of the cylindrical spring 322 is fixedly connected with the inner cavity rear side wall of the hollow tube 321, and the outer circle surface of the rubber piston 324 is in close contact with the inner cavity side wall of the hollow tube 321.

[0035] Preferably, the top surface of the detector body 1 is provided with a display panel 8 at the front side, and a plurality of control buttons 7 are installed at the rear side of the top surface of the detector body 1; the front end of the wire harness connector 2 is fixedly provided at the front end of the detector body 1, and the front end of the wire harness connector 2 is connected with one end of the cable 4 away from the detection head 5.

[0036] According to the above-mentioned preferred technical scheme, the working process of the technical scheme is described:

[0037] When the roughness of the concrete surface needs to be detected, the operator holds the detection head 5 and applies force to push the stylus 6 to the surface of the building, the front square ring 33 first contacts the surface of the building, and under the action of the pushing force, the front square ring 33 will move backward to extrude the movable rod 325, forcing the rubber piston 324 to move inside the hollow tube 321 and pushing the air inside the hollow tube 321 to be discharged from the exhaust hole 323, while compressing the cylindrical spring 322. Under the damping action of the spring force of the cylindrical spring 322 and the air discharge in the hollow tube 321, the pushing force can be effectively buffered, so that the tip of the stylus 6 stably contacts the surface of the building, preventing the operator from pressing the stylus 6 too hard and too fast, which may cause damage to the stylus 6 or result in an inappropriate pressure of the stylus 6 during measurement; at the same time, the ball 36 at the front side of the front square ring 33 can roll inside the sleeve ring 35, thereby assisting the stylus 6 to move on the surface of the building for detection.

[0038] It should be noted that the above specific embodiments are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art should understand that various modifications, equivalent replacements, changes, etc. can be made to the present application. However, as long as these changes do not deviate from the spirit of the present application, they should be within the protection scope of the present application. In addition, some terms used in the specification and claims of the present application are not limited, but only for convenience of description.

Claims

1. A surface roughness detector for a concrete pour, characterised in that, The utility model relates to a detection instrument body (1) is connected with the cable (4) at the front end, and the tail end of cable (4) is connected with detection end head (5), and the front end of detection end head (5) is connected with stylus (6), and the front end face of detection end head (5) is provided with the stylus pressure control assembly (3) that stylus (6) is wrapped up, The stylus pressure control assembly (3) includes a rear square ring (31) fixed on the front side of the outer surface of the detection end head (5), a front square ring (33) disposed on the front side of the detection end head (5) and located outside the stylus (6), and four damping rod members (32) are disposed on the four corners of the side of the rear square ring (31) and the front square ring (33) close to each other, and four sleeve rings (35) are embedded and fixed on the front surface of the front square ring (33), and the inner cavity of the sleeve ring (35) is provided with rolling balls (36). The damping rod member (32) includes a hollow tube (321), a movable rod (325) inserted into the inner cavity of the hollow tube (321), and a cylindrical spring (322) disposed in the inner cavity of the hollow tube (321), a rubber piston (324) movably disposed in the inner cavity of the hollow tube (321), the front end of the rubber piston (324) is connected to one end of the movable rod (325) located in the inner cavity of the hollow tube (321), and an exhaust hole (323) is formed in the upper surface of the hollow tube (321).

2. The apparatus according to claim 1, wherein Four grooves (34) for embedding and fixing the sleeve ring (35) are formed on the front end surface of the front square ring (33).

3. The apparatus according to claim 1, wherein The front end surface of the sleeve ring (35) is flush with the front end surface of the front square ring (33).

4. The apparatus according to claim 1, wherein The front end of the rolling ball (36) is 2mm-3mm higher than the front end surface of the front square ring (33).

5. The apparatus according to claim 1, wherein The rear end of the hollow tube (321) is fixedly connected to the front end of the rear square ring (31), and the front end of the movable rod (325) is fixedly connected to the rear end of the front square ring (33).

6. The apparatus according to claim 1, wherein The front end of the cylindrical spring (322) is connected to one end of the movable rod (325) located in the inner cavity of the hollow tube (321), and the rear end of the cylindrical spring (322) is fixedly connected to the inner cavity rear side wall of the hollow tube (321).

7. The apparatus according to claim 1, wherein The outer surface of the rubber piston (324) is in close contact with the inner cavity side wall of the hollow tube (321).

8. The apparatus according to claim 1, wherein A display panel (8) is disposed on the front side of the top surface of the detection instrument body (1), and a plurality of control buttons (7) are installed on the rear side of the top surface of the detection instrument body (1).

9. The apparatus according to claim 1, wherein A wire harness connector (2) is fixedly disposed on the front end of the detection instrument body (1), and the front end of the wire harness connector (2) is connected to one end of the cable (4) away from the detection end head (5).

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