Heat flow meter sheet positioning rod

Abstract

The utility model provides a heat flow meter sheet positioning rod, which belongs to the technical field of equipment for testing heat transfer coefficients of building envelope structures and comprises a sucker base movably connected with a first support rod, and the other end of the first support rod is movably connected with a second support rod. Relative movement in the axial direction can be achieved between the first supporting rod and the second supporting rod; the end portion of the second supporting rod is movably connected with a clamping foot seat, the two sides of the clamping foot seat are each movably connected with a clamping foot, and the two clamping feet can clamp the heat flow meter piece. The length of the positioning rod is adjusted through the two supporting rods so as to be matched with the installation position of the heat flow meter sheet, the clamping foot seat at the head of the positioning rod is provided with the two symmetrical clamping feet, and the heat flow meter sheet is tightly pressed on the inner surface of a wall body through the dead weight of the positioning rod and a proper balancing weight; the positioning rod is convenient to install, does not affect the heat flow testing process, does not damage the surface of the tested wall, and is beneficial to implementation of the heat transfer coefficient test of the building envelope.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of equipment for testing the heat transfer coefficient of building envelope structure, and particularly relates to a heat flow meter sheet positioning rod. BACKGROUND

[0002] Commonly used methods for testing the heat transfer coefficient of building envelope structure are the heat flow meter method and the hot box method, and the heat flow meter method is mainly used in field testing. The heat flow meter method measures the heat flow and temperature difference through the wall by installing a heat flow meter on the surface of the wall to be measured, and then calculates the heat transfer coefficient. The heat flow sensor used is generally a rectangular sheet with a side length of 3-10 centimeters, which is called a heat flow meter sheet, and needs to be attached to the inner surface of the wall to be measured during testing.

[0003] Due to the characteristics of the inner surface material of the wall, the heat flow meter sheet usually needs to be attached to the surface of the wall with transparent adhesive tape, or one side needs to be coated with an adhesive with good heat conduction performance, double-sided tape, etc. The above operation schemes will cause certain surface damage to the wall to be measured, such as leaving colored adhesive, residual double-sided tape, partial wall skin peeling, rectangular shadow, etc. on the inner wall surface, which significantly affects the appearance of the inner wall surface. Ordinary straight rods cannot be used to support the heat flow meter sheet, which will affect the heat transfer process on the surface of the heat flow meter sheet, and thus cause large testing errors. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a heat flow meter sheet positioning rod to solve at least one of the technical problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a heat flow meter sheet positioning rod, which comprises:

[0007] A suction cup base is movably connected with a first supporting rod;

[0008] The other end of the first supporting rod is movably connected with a second supporting rod, and the first supporting rod and the second supporting rod can move relative to each other in the axial direction;

[0009] The end of the second supporting rod is movably connected with a clamping leg base, and the two sides of the clamping leg base are movably connected with a clamping leg, and the two clamping legs can clamp the heat flow meter sheet.

[0010] Further, the suction cup base is rotatably connected with the first supporting rod through a first spherical universal joint.

[0011] Further, the end of the second supporting rod is rotatably connected with the clamping leg base through a second spherical universal joint.

[0012] Further, the ball head connecting rod of the second spherical universal joint is provided with external threads, one end of the clamping leg base is provided with a threaded blind hole with internal threads, and the ball head connecting rod is detachably connected with the clamping leg base through the external threads and the threaded blind hole.

[0013] Further, the outside of the ball head of the second spherical universal joint is provided with a ball head lock nut.

[0014] Further, one end of the clamping leg is rotatably connected to one side of the clamping leg base, and an elastic member is connected between the two clamping legs.

[0015] Further, both sides of the clamping leg base are provided with clamping leg grooves, and the end of the clamping leg is pivotally connected with the clamping leg groove.

[0016] Further, both ends of the first supporting rod are respectively provided with a first hook and a second hook, and the end of the second supporting rod is provided with a third hook.

[0017] Further, the end of the clamping leg is provided with an anti-skid sleeve.

[0018] Further, the elastic member is a spring.

[0019] The positioning rod with adjustable length is fixed to the ground through the suction cup base at the bottom, the heat flow meter sheet is clamped on the surface of the wall body through the two clamping legs with bosses at the head, the clamping force is provided through the spring between the two clamping legs, the pressure is indirectly provided through the dead weight of the positioning rod and the counterweight block, the heat flow meter sheet is tightly pressed on the surface of the measured wall body, and the requirement of non-destructive testing is met.

[0020] Additional aspects and advantages of the present application will be given in part in the following description, and these will become apparent from the description or will be understood through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0022] Fig. 1 The three-dimensional structure diagram of the heat flow meter sheet positioning rod is described in the embodiments of the present application.

[0023] Fig. 2 The use schematic diagram of the heat flow meter sheet positioning rod is described in the embodiments of the present application.

[0024] Fig. 3The heat flow meter sheet positioning rod clamping foot place overhead structure diagram is described in the embodiment of the utility model.

[0025] Wherein: 1 - suction pad base; 2 - first spherical universal head; 3 - first support rod; 4 - second support rod; 5 - screw sleeve; 6 - first hook; 7 - second hook; 8 - third hook; 9 - counterweight; 10 - second spherical universal head; 11 - ball head connecting rod; 12 - ball head lock nut; 13 - lock nut protrusion; 14 - clamping foot seat; 15 - clamping foot groove; 16 - clamping foot; 17 - anti-skid silica gel foot cover; 18 - spring; 19 - heat flow meter sheet. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by means of the drawings are exemplary and are only used to explain the utility model, and cannot be explained as the limitation of the utility model.

[0027] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as that generally understood by those skilled in the art to which the utility model belongs.

[0028] It should also be understood that terms such as those defined in general dictionaries should be understood as having meanings consistent with those in the prior art, and should not be interpreted with idealized or overly formal meanings unless defined as such.

[0029] Those skilled in the art can understand that, unless otherwise stated, the singular form "one", "a", "said" and "the" used herein can also include the plural form. It should be further understood that the phrase "comprising" used in the specification of the utility model means that the features, integers, steps, operations, elements and / or groups exist, but does not exclude the existence or addition of one or more other features, integers, steps, operations, elements and / or their groups.

[0030] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0031] In the description of the present application, the terms "first", "second" are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0032] In the description of the present application, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present technology and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present technology.

[0033] Unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "setting" should be broadly understood, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present technology can be understood according to the specific circumstances.

[0034] In order to facilitate the understanding of the present application, the present application will be further explained and described in detail with reference to the accompanying drawings and specific embodiments, and the specific embodiments do not constitute a limitation on the embodiments of the present application.

[0035] Those skilled in the art should understand that the drawings are only schematic diagrams of the embodiments, and the components in the drawings are not necessarily necessary for the implementation of the present application.

[0036] As Figs. 1 to 3 As shown in the present embodiment, a heat flow meter sheet positioning rod is provided, comprising: a suction cup base 1; the suction cup base 1 is movably connected with a first support rod 3; the other end of the first support rod 3 is movably connected with a second support rod 4, the first support rod 3 and the second support rod 4 can realize relative movement in the axial direction, so as to realize the length adjustable; the end of the second support rod 4 is movably connected with a clamping leg base 14, the two sides of the clamping leg base 14 are movably connected with a clamping leg 16, and the two clamping legs 16 can clamp the heat flow meter sheet 19.

[0037] Specifically, the suction cup base 1 is rotatably connected with the first supporting rod 3 through the first spherical universal joint 2. Further, the end of the second supporting rod 4 is rotatably connected with the clamping leg base 14 through the second spherical universal joint 10. Specifically, the ball head connecting rod 11 of the second spherical universal joint 10 is provided with external threads, and one end of the clamping leg base 14 is provided with a threaded blind hole with internal threads, and the ball head connecting rod 11 is detachably connected with the clamping leg base 14 through the external threads and the threaded blind hole.

[0038] The outer side of the ball head of the second spherical universal joint 10 is provided with a ball head lock nut 12. The ball head lock nut is also provided with a ball head protrusion 13 to facilitate the rotation of the ball head lock nut. One end of the clamping leg 16 is rotatably connected to one side of the clamping leg base 14, and the two clamping legs 16 are connected by an elastic member 18, which can realize the clamping of the heat flow meter sheet by the two clamping legs through the tensioning action of the elastic member 18. The end of the clamping leg 16 is provided with an anti-skid sleeve 17 to prevent the heat flow meter sheet from slipping off the clamping leg.

[0039] Specifically, in order to realize the rotatable connection between the clamping leg base and the clamping leg, both sides of the clamping leg base 14 are provided with clamping leg grooves 15, and the ends of the clamping legs 16 are pivotally connected with the clamping leg grooves 15.

[0040] As another specific embodiment of the present application, first and second hooks 6 and 7 are respectively arranged at the two ends of the first supporting rod 3, and a third hook 8 is arranged at the end of the second supporting rod 4.

[0041] Reference Fig. 1 、 Fig. 2 、 Fig. 3 The suction cup base 1 is connected with the first supporting rod 3 through the first spherical universal joint 2, and the second supporting rod 4 is connected with the clamping leg base 14 through the second spherical universal joint 10. The first supporting rod 3 and the second supporting rod 4 are provided with a screwing sleeve 5, the second supporting rod 4 can be inserted into the first supporting rod 3 and moved forward and backward, and fixed through the screwing sleeve 5. The positioning rod can realize the adjustment of the length and the inclination angle according to different use conditions, so that the clamping leg 16 always maintains the posture perpendicular to the heat flow meter sheet 19.

[0042] The first supporting rod 3 is provided with first and second hooks 6 and 7, and the second supporting rod 4 is provided with a third hook 8. A detachable counterweight 9 is arranged below the third hook 8, which is used to indirectly increase the pressure of the positioning rod on the heat flow meter sheet 19. The lead-out wire of the heat flow meter sheet 19 can also be led out to the ground through the first and second hooks 6 and 7 and the third hook 8, thereby reducing the influence of the self-weight of the lead-out wire on the heat flow meter sheet 19.

[0043] The second spherical ball head 10 is fixed in rotation angle by a ball head lock nut 12, and four lock nut lugs 13 are arranged outside the ball head lock nut 12, so as to facilitate the rotation of the ball head lock nut 12 by hand to keep the rotation angle of the second spherical ball head 10 fixed. The lower end of the ball head connecting rod 11 on the second spherical ball head 10 is a screw rod structure, and the ball head connecting rod 11 is screwed into the clamping leg seat 14 with internal threads.

[0044] The clamping leg seat 14 is an internal thread structure, and the distance between the clamping leg seat 14 and the second support rod 4 can be adjusted by rotating the clamping leg seat 14 to adapt to the on-site installation conditions. Two symmetrical clamping leg grooves 15 are arranged outside the clamping leg seat 14, and a rotatable clamping leg 16 is arranged in the clamping leg groove 15. The two clamping legs 16 can be appropriately rotated in the clamping leg groove 15 to open different clamping leg spacings, so as to adapt to heat flow meter sheets 19 of different widths.

[0045] The end of the clamping leg 16 is provided with an anti-skid silica gel sleeve (i.e. anti-skid sleeve 17) with a boss, and a spring (elastic member 18) is arranged between the clamping legs 16. By relying on the tension of the spring, the two clamping legs 16 can tightly clamp the object placed therebetween, specifically the clamping legs 16 are clamped at the two side edge positions of the heat flow meter sheet 19.

[0046] Based on the above heat flow meter sheet positioning rod, the heat flow meter sheet positioning process in the building envelope heat transfer coefficient test work includes the following steps: selecting a ground support point, adjusting the length of the positioning rod, fixing the base, clamping the heat flow meter sheet with the clamping leg, tightening the ball head lock nut, hanging the counterweight, and straightening the heat flow meter sheet lead to the hook, etc. Specifically:

[0047] Firstly, according to the installation height of the heat flow meter sheet on the inner surface of the wall and the ground condition, a suitable ground support point is selected. The ground support point should be as flat and smooth as possible to facilitate the suction cup base to grip the ground. The included angle between the line connecting the ground support point and the heat flow meter sheet installation position on the inner surface of the wall and the ground is preferably about 45°. Then, the length of the positioning rod is adjusted according to the distance between the ground support point and the heat flow meter sheet installation point on the wall. Specifically, the tightening sleeve between the first support rod and the second support rod is loosened, the depth of the second support rod inserted into the first support rod is adjusted by stretching, and the tightening sleeve is tightened after the adjustment is completed.

[0048] Then, the suction cup base is pressed down to grip the ground, and the first spherical ball head and the second spherical ball head are slightly loosened to allow the first support rod and the clamping leg seat to rotate freely.

[0049] According to the width of the heat flow meter sheet, the two clamping legs are spread apart, and the clamping legs are clamped at the middle position of the two side edges of the heat flow meter sheet. The boss part of the anti-skid silica gel sleeve with a boss on the clamping leg is just clamped at the edge position of the two sides of the heat flow meter sheet. The clamping legs tightly clamp the heat flow meter sheet by the spring in the middle of the clamping legs.

[0050] At this time, the hand-held card foot base slowly moves the heat flow meter sheet to the designated installation position of the heat flow meter sheet on the inner surface of the wall body, if the card foot cannot be perpendicular to the wall surface, the card foot base can be rotated, the card foot base moves along the ball head connecting rod forward and backward, the distance between the card foot base and the second supporting rod is finely adjusted to make the card foot perpendicular to the wall surface, and the ball head lock nut is tightened after positioning.

[0051] Finally, the counterweight is hung at the third hook, the pressure of the positioning rod on the heat flow meter sheet is indirectly increased, and the heat flow meter sheet is tightly attached to the inner surface of the wall body. The heat flow meter sheet lead is hung at the first hook, the second hook and the third hook in sequence, and the influence of the lead weight on the heat flow meter sheet is reduced.

[0052] At this time, the heat flow meter sheet positioning rod installation is completed, and the test process can be started.

[0053] In summary, the heat flow meter sheet positioning rod disclosed in the embodiment of the utility model is fixed to the ground through the suction cup base, the length of the positioning rod is adjusted through the two supporting rods to match the heat flow meter sheet installation position, the two symmetrical card feet are arranged on the card foot base of the head of the positioning rod, the anti-skid silica gel foot sleeve with a boss is arranged at the end of the card foot, the spring tension is clamped at the edge position of the heat flow meter sheet, and the heat flow meter sheet is tightly pressed on the inner surface of the wall body through the weight of the positioning rod and the appropriate counterweight. The positioning rod installation process is convenient, does not affect the heat flow test process, does not damage the measured wall surface, and is helpful to the implementation of the building envelope heat transfer coefficient test.

[0054] Although the specific embodiments of the utility model are described in combination with the drawings, the utility model is not limited to the scope of protection, and those skilled in the art should understand that various modifications or deformations made by those skilled in the art on the basis of the disclosed technical solutions of the utility model without creative labor should be covered in the protection scope of the utility model.

Claims

1. A positioning rod for a heat flux meter plate, characterized in that, include: Suction cup base (1); the suction cup base (1) is movably connected to a first support rod (3); The other end of the first support rod (3) is movably connected to a second support rod (4), and the first support rod (3) and the second support rod (4) can move relative to each other in the axial direction; The end of the second support rod (4) is movably connected to a clamping foot seat (14), and a clamping foot (16) is movably connected to both sides of the clamping foot seat (14). The two clamping feet (16) can clamp the heat flow meter plate (19).

2. The heat flux gauge positioning rod according to claim 1, characterized in that, The suction cup base (1) is rotatably connected to the first support rod (3) via the first spherical universal head (2).

3. The heat flow meter positioning rod according to claim 1, characterized in that, The end of the second support rod (4) is rotatably connected to the foot seat (14) via the second spherical universal joint (10).

4. The heat flow meter positioning rod according to claim 3, characterized in that, The ball joint (11) of the second spherical universal joint (10) is provided with external thread, and one end of the clamp seat (14) is provided with a threaded blind hole with internal thread. The ball joint (11) is detachably connected to the clamp seat (14) through the external thread and the threaded blind hole.

5. The heat flux gauge positioning rod according to claim 4, characterized in that, The second spherical universal joint (10) has a ball head lock nut (12) on the outside of the ball head.

6. The heat flux gauge positioning rod according to claim 1, characterized in that, One end of the locking foot (16) is rotatably connected to one side of the locking foot seat (14), and an elastic element (18) is connected between the two locking feet (16).

7. The heat flux gauge positioning rod according to claim 6, characterized in that, Both sides of the foot holder (14) are provided with foot grooves (15), and the end of the foot (16) is pivotally connected to the foot groove (15).

8. The heat flow meter positioning rod according to claim 1, characterized in that, The first support rod (3) is provided with a first hook (6) and a second hook (7) at both ends; the second support rod (4) is provided with a third hook (8) at its end.

9. The heat flow meter positioning rod according to any one of claims 1-8, characterized in that, The end of the locking foot (16) is provided with an anti-slip sleeve (17).

10. The heat flux gauge positioning rod according to claim 6, characterized in that, The elastic element (18) is a spring.

Images