Convenient joint measuring device for building construction

Abstract

The utility model discloses a portable seam measuring device for building construction, which relates to the technical field of building detection and comprises a telescopic rod, a fisheye bearing arranged at one end of the telescopic rod and a seam measuring mechanism connected with the fisheye bearing. The seam measuring mechanism is sent to a measuring position through the telescopic rod, the measuring device abuts against the two sides of the seam through the first measuring needle and the second measuring needle respectively, and the width between the first measuring needle and the second measuring needle, namely the width of the seam, is measured through capacitance change between the reference electrode and the movable electrode. Capacitance changes are processed by the overspeed chip and displayed on the display screen. In addition, the first measuring needle is arranged on a sliding block, the sliding block is driven by a motor lead screw mechanism to move, the first measuring needle is made to move, and the movable electrode moves along with the first measuring needle so that the gap width can be measured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building detection technical field, concretely relates to a portable joint measuring device for building construction. BACKGROUND

[0002] Building joint measurement refers to the process of measuring and monitoring cracks or reserved deformation joints in building structures. These cracks or deformation joints may be caused by temperature changes, uneven settlement of foundation, earthquake action, material aging, external force action and other factors. Through the measurement and monitoring of cracks and deformation joints, safety hazards in building structures can be found in time, such as crack expansion, uneven settlement, etc. These data can provide important basis for safety evaluation and maintenance of buildings. In the process of building construction, the measurement and monitoring of cracks and deformation joints are also important means of quality control. By comparing the design requirements with the actual measurement results, problems in construction can be found in time and corresponding measures can be taken for rectification. Through in-depth research and analysis of cracks and deformation joints, the deformation law and failure mechanism of building structures can be revealed, providing scientific basis for the optimization design and improvement of building structures.

[0003] The cracks on the wall sometimes appear at a high place, and the existing joint measuring tool needs the measuring personnel to approach for measurement, so that the high joint width is not only inconvenient to measure but also makes the measurement work have certain danger. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the problems in the background art, the utility model provides a portable joint measuring device for building construction.

[0005] In order to achieve the above object, the utility model is through the following technical scheme realizes: a building construction is with portable joint measuring device, include: telescopic link, the fish eye bearing of telescopic link one end is equipped with, with the joint measuring device of fish eye bearing, the measuring device includes: with the first long strip board of fish eye bearing connection, with the second long strip board of first long strip board parallel and alignment, the support block of first long strip board both ends is equipped with and second long strip board connection, the slide bar of support block between being equipped with, the sliding block of slide bar being equipped with, with the screw rod of support block between rotating and being equipped with, the screw hole of sliding block being equipped with and screw rod cooperation, the slot of second long strip board being equipped with, the first measuring needle of sliding block being equipped with and passing through the slot, with the fixed block of slide bar fixed connection and being passed through the screw rod, the second measuring needle of fixed block being equipped with and passing through the slot, the reference electrode of first long strip board being equipped with, the moving electrode of sliding block being equipped with and with reference electrode parallel, the ultrasonic chip of first long strip board being equipped with and respectively with reference electrode and moving electrode electric connection, the display screen of telescopic link being equipped with and through cable with ultrasonic chip connection, the motor of support block being equipped with and output shaft with screw rod connection.

[0006] Preferably, the telescopic link is a sleeve telescopic link, a battery for supplying power to the display screen, the ultrasonic chip and the motor is arranged in the first sleeve of the sleeve telescopic link.

[0007] Preferably, the display screen is arranged on the side wall of the first sleeve, a motor controller is arranged in the first sleeve, and a button for controlling the forward and reverse rotation of the motor is arranged on the side wall of the first sleeve and connected with the motor controller.

[0008] Preferably, a through hole is arranged on the side wall of the last sleeve of the sleeve telescopic link, and the cable is routed from the inside of the sleeve telescopic link and passes through the through hole to connect with the ultrasonic chip and the motor.

[0009] Compared with the prior art, the utility model has the advantages of:

[0010] The utility model discloses a telescopic link is sent to the measuring position with the joint measuring device, and the measuring device is respectively leaned on the both sides of the gap with the first measuring needle and the second measuring needle, and the width between the first measuring needle and the second measuring needle is measured with the capacitance change between the reference electrode and the moving electrode, that is, the width of the gap, and the capacitance change is handled by the ultrasonic chip and displayed on the display screen. In addition, the first measuring needle is arranged on the sliding block, the sliding block is driven to move by the motor screw mechanism, the first measuring needle moves, and the moving electrode moves with the first measuring needle to measure the width of the gap. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 A schematic diagram of a portable joint measuring device for building construction;

[0012] Fig. 2 This is a schematic diagram of the telescopic rod structure;

[0013] Fig. 3 This is a schematic diagram of the joint measuring mechanism.

[0014] In the diagram: 1. Telescopic rod; 2. Fisheye bearing; 3. First long strip plate; 4. Second long strip plate; 5. Support block; 6. Slide rod; 7. Slider; 8. Lead screw; 9. Groove; 10. First measuring needle; 11. Fixing block; 12. Second measuring needle; 13. Reference electrode; 14. Moving electrode; 15. Overspeed chip; 16. Motor; 17. Display screen; 18. First sleeve section; 19. Motor controller; 20. Button; 21. Through hole; 22. Cable; 23. Battery; 24. Last sleeve section. Detailed Implementation

[0015] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below to facilitate understanding by those skilled in the art.

[0016] Please see Figs. 1 to 3This utility model provides a convenient joint measuring device for building construction, comprising a telescopic rod 1, a fisheye bearing 2 at one end of the telescopic rod 1, and a joint measuring mechanism connected to the fisheye bearing 2; the joint measuring mechanism includes: a first elongated plate 3 connected to the fisheye bearing 2, a second elongated plate 4 parallel and aligned with the first elongated plate 3, support blocks 5 at both ends of the first elongated plate 3 connecting to the second elongated plate 4, a sliding rod 6 between the support blocks 5, a slider 7 on the sliding rod 6, a lead screw 8 parallel and rotatable between the support blocks 5, a threaded hole on the slider 7 and cooperating with the lead screw 8, a slot 9 on the second elongated plate 4, and a joint measuring mechanism on the slider 7. The first measuring needle 10 passes through the slot 9, a fixed block 11 is fixedly connected to the slide rod 6 and passed through by the lead screw 8, the fixed block 11 has a round hole to accommodate the rotation of the lead screw 8, a second measuring needle 12 is provided on the fixed block 11 and passes through the slot 9, a reference electrode 13 is provided on the first long strip plate 3, a moving electrode 14 is provided on the slider 7 and parallel to the reference electrode 13, an overspeed chip 15 is provided on the first long strip plate 3 and electrically connected to the reference electrode 13 and the moving electrode 14 respectively, a display screen 17 is provided on the telescopic rod 1 and connected to the overspeed chip 15 through a cable 22, and a motor 16 is provided on the support block 5 and whose output shaft is connected to the lead screw 8. The rotation of motor 16 drives the lead screw 8 to rotate, and the rotation of lead screw 8 drives the slider 7 to move on the slide bar 6. At the same time, the moving electrode 14 and the first measuring needle 10 move with the slider 7, causing a change in capacitance between the reference electrode 13 and the moving electrode 14. After processing by the high-speed chip 15, the data is displayed on the display screen 17.

[0017] The telescopic rod 1 is a sleeve-type telescopic rod 1, and the first sleeve 18 of the sleeve-type telescopic rod 1 is equipped with a battery 23 that supplies power to the display screen 17, the overspeed chip 15, and the motor 16.

[0018] The display screen 17 is mounted on the side wall of the first sleeve 18. A motor controller 19 is located inside the first sleeve 18. A button 20, connected to the motor controller 19 and controlling the forward and reverse rotation of the motor 16, is also mounted on the side wall of the first sleeve 18. The motor 16 is controlled via the button 20 and the motor controller 19, causing the first measuring needle 10 and the second measuring needle 12 to move closer or further apart. Multiple buttons 19 are used, with functions including power on / off, zeroing, forward rotation of the motor 16, and reverse rotation of the motor 16.

[0019] The last sleeve 24 of the telescopic rod 1 has a through hole 21 on its side wall. The cable 22 runs from the inside of the telescopic rod 1 and passes through the through hole 21 to connect with the overspeed chip 15 and the motor 16. The cable 22 is a composite cable.

[0020] The principle of this utility model for a convenient joint measuring device used in building construction is as follows:

[0021] The gap measuring mechanism is based on the principle of capacitive sensing. A fixed reference electrode 13 is set on the first long strip plate 3, and a movable electrode 14 is set on the slider 7. The motor 16 drives the slider 7 to move, and the movable electrode 14 also moves relative to the reference electrode 13. The capacitance value between the two electrode plates will change. The high-speed chip 15 processes this capacitance change value. Based on the capacitance change value, the distance between the two electrode plates can be accurately calculated through internal calculations, that is, the width between the first measuring needle 10 and the second measuring needle 12, which is the width of the gap. After a period of time, the measurement is taken at the same location, and the change in gap is obtained by the change in width.

[0022] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A portable joint measuring device for building construction, characterized in that, include: Telescopic rod (1), fisheye bearing (2) at one end of the telescopic rod (1), and seam measuring mechanism connected to the fisheye bearing (2); the seam measuring mechanism includes: a first long strip plate (3) connected to the fisheye bearing (2), a second long strip plate (4) parallel and aligned with the first long strip plate (3), support blocks (5) at both ends of the first long strip plate (3) connecting to the second long strip plate (4), a slide rod (6) between the support blocks (5), a slider (7) on the slide rod (6), a lead screw (8) parallel and rotatable between the support blocks (5), a threaded hole on the slider (7) and cooperating with the lead screw (8), a slot (9) on the second long strip plate (4), and a slot on the slider (7) and passing through the threaded hole. The first measuring needle (10) of the slot (9), the fixed block (11) fixedly connected to the slide bar (6) and passed through by the lead screw (8), the second measuring needle (12) set on the fixed block (11) and passing through the slot (9), the reference electrode (13) set on the first long strip plate (3), the moving electrode (14) set on the slider (7) and parallel to the reference electrode (13), the overspeed chip (15) set on the first long strip plate (3) and electrically connected to the reference electrode (13) and the moving electrode (14) respectively, the display screen (17) set on the telescopic rod (1) and connected to the overspeed chip (15) through the cable (22), and the motor (16) set on the support block (5) and whose output shaft is connected to the lead screw (8).

2. The portable joint measuring device for building construction according to claim 1, characterized in that: The telescopic rod (1) is a sleeve-type telescopic rod (1), and the first sleeve (18) of the sleeve-type telescopic rod (1) is provided with a battery (23) that supplies power to the display screen (17), the overspeed chip (15) and the motor (16).

3. A portable joint measuring device for building construction according to claim 2, characterized in that: The display screen (17) is provided on the side wall of the first sleeve (18), and a motor controller (19) is provided inside the first sleeve (18). A button (20) connected to the motor controller (19) and controlling the forward and reverse rotation of the motor (16) is provided on the side wall of the first sleeve (18).

4. A portable joint measuring device for building construction according to claim 3, characterized in that: The last sleeve (24) of the telescopic rod (1) has a through hole (21) on its side wall. The cable (22) runs from the inside of the telescopic rod (1) and passes through the through hole (21) to connect with the overspeed chip (15) and the motor (16).

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