Support for correcting bouncing angle of rebound apparatus

Abstract

The utility model discloses a support for correcting the striking angle of a rebound apparatus, relates to the field of rebound apparatuses, and solves the problems that lines need to be manually drawn one by one when a grid pattern is drawn, the drawing is relatively tedious, and the overall measurement efficiency is influenced, the support comprises four support rods, the support rods are provided with a rebound apparatus body through a positioning structure, and the four support rods are distributed in a rectangular shape; a drawing frame structure is installed between the two supporting rods on any side and comprises a pressing plate and a pressing box, the front side wall and the rear side wall of the bottom of the pressing box are rotationally connected with the side faces of the adjacent supporting rods through pin shafts, the adjacent side faces of the two pressing boxes are open, imprinting frames are arranged in the pressing boxes, and the pressing plate is arranged in the center of the outer side face of each pressing box. One end of the pressing rod penetrates through the pressing box in a sliding mode and is fixedly connected with the imprinting frame, and the other end of the pressing rod is provided with a spring in a surrounding mode, so that the complexity of manually drawing lines one by one is avoided, the operation is simpler and more convenient, and the overall efficiency of measurement work is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rebound hammer field, concretely is a kind of correcting rebound hammer angle of attack support. BACKGROUND

[0002] The basic principle of rebound hammer is to drive weight with spring, and the weight hits the impact rod directly contacting with concrete surface with constant kinetic energy, so that local concrete is deformed and absorbs part of energy, and the other part of energy is converted into rebounding kinetic energy of weight, when all rebounding kinetic energy is converted into potential energy, the weight rebounds to maximum distance, and the instrument displays the maximum rebounding distance of weight as rebound value (the ratio of maximum rebounding distance and initial length of spring).

[0003] To ensure that rebound hammer is vertically ground for measurement, positioning support is installed to support rebound hammer impact angle, before carrying out test procedure in multiple areas for strength test of concrete ground, grid pattern should be drawn so that rebound hammer can carry out multiple point measurement in each area, and grid pattern needs to be drawn by manually drawing line by line, which is more cumbersome, and affects overall measurement efficiency. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of correcting rebound hammer angle of attack support, which avoids the cumbersome manual drawing line by line, is more convenient to operate, improves the overall efficiency of measurement work, and can solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of correcting rebound hammer angle of attack support, including support rod, support rod is installed with rebound hammer body by positioning structure, four support rods are distributed in rectangle, and drawing frame structure is installed between any two support rods in position on one side, drawing frame structure includes pressing plate and pressure box, the bottom of pressure box is rotatably connected with the side surface of adjacent support rod through pin shaft on front side wall and rear side wall, the adjacent side of two pressure boxes is set to open inside and is provided with pressure frame, the center position of the outer side of pressure box is provided with pressing plate, the side surface of pressing plate close to pressure box is fixedly connected with pressing rod, one end of pressing rod is slidably penetrated through pressure box and is fixedly connected with pressure frame, and the other end is provided with spring around;Pressure box is also installed with smearing structure.

[0006] Preferably, the positioning structure includes a top frame and a slide rod, the top frame is fixedly connected with the top end of the support rod at the bottom, the two side walls inside the top frame are each provided with a sliding groove, the side wall at the top of the top frame is provided with a long cavity in communication with the sliding groove, the slide rod is slidably connected with the sliding groove at both ends, the screw rod is fixedly connected with the slide rod at the top of one end of the long cavity, the screw rod is threadedly connected with a nut, the slide frame is slidably sleeved with the outer side surface of the slide rod, the slide frame is threadedly connected with a compression bolt at the top, the slide frame is fixedly connected with an extension sleeve at the top, and the rebound hammer body is installed at the other end of the extension sleeve.

[0007] Preferably, the telescopic sleeve telescopic end outer side threaded connection mounting bolt.

[0008] Preferably, the smearing structure includes an inkpad box and a smearing roller, the inkpad box is fixedly connected to the top of the pressing box, the pressing box is provided with a push rod on each of the two inner side walls, one end of the push rod is fixedly connected to the bottom of the pressing box through a compression spring, the other end of the push rod is slidably penetrated through the pressing box, and the smearing roller is rotatably connected between the bottom ends of the two push rods through a shaft, and the limit curved rod is fixedly connected to the side surface of the support rod on the same side of the pressing box.

[0009] Preferably, the smearing roller is arranged directly below the inkpad box, the bottom of the inkpad box is provided with an opening matched with the outer diameter of the smearing roller, and the smearing roller is in contact with the outer side surface of the pressing frame.

[0010] Preferably, the limit curved rod is fixedly connected to the adjacent support rod through a plurality of reinforcing rods, and arc-shaped grooves are formed in the inner side walls of the two ends of the limit curved rod.

[0011] Compared with the prior art, the utility model has the beneficial effects that: two pressing boxes are pressed to be in contact with the concrete ground, and the pressing plate is manually pressed, so that the pressing frame is in contact with the ground, and the grid stripes are quickly drawn, after the pressing is finished, the pressing frame is returned to the inside of the pressing box under the action of the spring rebounding force, the method avoids the tediousness of manually drawing lines one by one, the operation is more simple, and the overall efficiency of the measurement work is remarkably improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is another angle three-dimensional structure schematic view of the utility model;

[0014] Figure 3 It is a three-dimensional structure schematic view of the drawing frame structure in the utility model;

[0015] Figure 4 It is Figure 1 It is a local enlarged structure schematic view of A in the utility model;

[0016] Figure 5 It is a local three-dimensional structure schematic view of the positioning structure in the utility model.

[0017] In the figure: 1, support rod; 2, positioning structure; 201, top frame; 202, sliding groove; 203, nut; 204, screw; 205, sliding frame; 206, compression bolt; 207, sliding rod; 208, long cavity; 209, mounting bolt; 2010, telescopic sleeve; 3, drawing frame structure; 301, spring; 302, pressing plate; 303, compression box; 304, pin shaft; 305, printing frame; 306, pressing rod; 4, rebound instrument body; 5, smearing structure; 501, limit curved rod; 502, reinforcing rod; 503, arc-shaped groove; 504, ink pad box; 505, smearing roller; 506, compression spring; 507, push rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3 , a kind of correction rebound instrument shot angle support in the figure, including support rod 1, four support rods 1 are distributed in rectangle, two support rods 1 between any side position are equipped with drawing frame structure 3, drawing frame structure 3 includes pressing plate 302 and compression box 303, the bottom of compression box 303 front side wall and rear side wall are all rotationally connected with the side of adjacent support rod 1 by pin shaft 304, two compression boxes 303 adjacent side are set to open inside and are provided with printing frame 305, the center position of the outside of compression box 303 is provided with pressing plate 302, pressing plate 302 is fixedly connected with pressing rod 306 close to the side of compression box 303, pressing rod 306 one end is slidably penetrated through compression box 303 and is fixedly connected with printing frame 305, and the other end is provided with spring 301.

[0020] It is worth noting that the strength of the concrete floor is tested, and the test process is executed in multiple areas, for this, a grid pattern should be drawn, so that the rebound instrument can be tested in each area multiple times, before drawing the grid, the test area should be wiped simply, and the dust is removed, by pressing two compression boxes 303 to make them contact with the concrete floor, and manually pressing pressing plate 302, printing frame 305 is contacted with the ground, so that the grid stripes are quickly drawn, after pressing, printing frame 305 is set back to the inside of compression box 303 under the action of spring 301 rebound force, this method avoids the tediousness of manually drawing lines one by one, and the operation is more simple, and the overall efficiency of the measurement work is significantly improved.

[0021] Please refer to Figure 1 ,Figure 4 And Figure 5 The support rod 1 is provided with the rebounder body 4 through the positioning structure 2, the positioning structure 2 comprises a top frame 201 and a sliding rod 207, the bottom of the top frame 201 is fixedly connected with the top end of the support rod 1, the two side walls in the top frame 201 are both provided with sliding grooves 202, one side wall of the top of the top frame 201 is provided with a long cavity 208 which is in communication with the sliding grooves 202, the sliding rod 207 is slidably connected with the sliding grooves 202 at two ends, the sliding rod 207 is fixedly connected with a screw rod 204 at one end of the top of the long cavity 208, the screw rod 204 is threadedly connected with a nut 203, a sliding frame 205 is slidably arranged on the outer side of the sliding rod 207, the sliding frame 205 is threadedly connected with a compression bolt 206 at the top, the sliding frame 205 is fixedly connected with an extension sleeve 2010 at the top, and the extension sleeve 2010 is provided with the rebounder body 4 at the other end.

[0022] It is worth noting that the extension sleeve 2010 can be moved in the horizontal direction by loosening the nut 203 and the compression bolt 206 when the support rod 1 is in contact with the ground and placed, after the extension sleeve 2010 is moved to a specified position, the nut 203 and the compression bolt 206 are tightened again to fix the horizontal position of the extension sleeve 2010, then the collision test with the ground can be completed by vertically moving the rebounder body 4, and the test process ensures that the position of the rebounder body 4 is accurately positioned and ensures that the rebounder body 4 is in contact with the ground vertically, thereby ensuring the accuracy of the measurement.

[0023] Referring to Figure 5 The outer side of the extension sleeve 2010 is threadedly connected with a mounting bolt 209, and it should be noted that the rebounder body 4 can be installed by screwing the mounting bolt 209, and the rebounder body 4 can be replaced when damaged, thereby ensuring the service life of the entire bracket.

[0024] Referring to Figure 2 And Figure 3 The pressing box 303 is further provided with an application structure 5, the application structure 5 comprises an ink pad box 504 and an application roller 505, the ink pad box 504 is fixedly connected to the top of the pressing box 303, the pressing box 303 is provided with a push rod 507 on each of the two inner side walls, one end of the push rod 507 is fixedly connected with the bottom of the pressing box 303 through a compression spring 506, and the other end of the push rod 507 is slidably penetrated through the pressing box 303, the application roller 505 is rotatably connected between the bottom ends of the two push rods 507 through a shaft, and the support rod 1 on the same side of the pressing box 303 is fixedly connected with a limiting curved rod 501 on the side surface.

[0025] It is worth noting that in the process of turning over the pressing box 303 and contacting with the ground, the push rod 507 is extruded by the limiting curved rod 501, moves to the inner bottom of the pressing box 303, and further pushes the inking roller 505 with the ink pad to move towards the bottom of the pressing box 303. This action enables the inking roller to ink the outer side of the impression frame 305, and through repeated pressing with the ground, a grid pattern is formed. Such design helps to support the multiple use of the impression frame 305, and in the use process, the pressing box 303 can be repeatedly rotated to make the inking roller 505 ink the impression frame 305 multiple times, so that the impression pattern is more obvious.

[0026] Referring to Figure 3 , the inking roller 505 is arranged directly below the ink pad box 504, the bottom of the ink pad box 504 is provided with an opening matched with the outer diameter of the inking roller 505, and in non-use, the inking roller 505 is in contact with the outer side of the impression frame 305 to close the bottom of the ink pad box 504, thereby reducing the opportunity for the ink stored in the ink pad box to dry quickly. In the use process, the inking roller 505 can repeatedly contact the ink in the ink pad box 504 to ink it onto the impression frame 305 to realize the grid pattern pressing process.

[0027] Referring to Figure 2 , the limiting curved rod 501 is fixedly connected with the adjacent support rod 1 through the reinforcing rods 502, the inner side walls at both ends of the limiting curved rod 501 are provided with arc-shaped grooves 503, the push rod 507 is inserted into the arc-shaped groove 503 at the top end position of the limiting curved rod 501 in the non-use process, and the push rod 507 is inserted into the arc-shaped groove 503 at the bottom end position of the limiting curved rod 501 in the use process. The arc-shaped groove 503 makes the push rod 507 not easy to fall off after being inserted, has a certain firmness, and ensures that the push rod 507 is not easy to fall off after being inserted.

[0028] Working principle: the supporting rod 1 is in contact with the ground and is placed, before drawing the grid, the test area should be wiped simply, remove dust, by pressing two pressure boxes 303 in turn to make them contact with the concrete floor, in order not to block the pressing process of the pressure box 303, during the process of turning over the pressure box 303 in contact with the ground, the push rod 507 is extruded by the limiting curved rod 501, moves to the inner bottom of the pressure box 303, and then pushes the smearing roller 505 with the ink pad towards the bottom of the pressure box 303, this action makes the smearing roller be able to smear the ink on the outer side of the pressure frame 305, manually press the pressing plate 302, make the pressure frame 305 contact with the ground, so as to quickly draw the grid stripes, after pressing, under the action of the spring 301 rebound force, the pressure frame 305 returns to the setting inside the pressure box 303, then, loosen the nut 203 and the compression bolt 206, the telescopic sleeve 2010 can be moved in the horizontal direction, after moving the telescopic sleeve 2010 to the specified position, tighten the nut 203 and the compression bolt 206 again, to fix the horizontal position of the telescopic sleeve 2010, then, through the vertical movement of the rebound instrument body 4, the collision test with the ground can be completed.

[0029] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply these entities or operations have any such actual relationship or order. Also, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process-method-article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process-method-article or equipment.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes-modifications-replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A correction stand for the angle of impact of a rebounder, comprising a support rod (1), characterized in that: The support rod (1) is provided with a rebound instrument body (4) through a positioning structure (2), four support rods (1) are distributed in a rectangular shape, two support rods (1) are arranged at any side position and are provided with a drawing frame structure (3), the drawing frame structure (3) comprises a pressing plate (302) and a pressing box (303), the bottom of the pressing box (303) is rotatably connected with the side of the adjacent support rod (1) through a pin shaft (304), the adjacent side of the two pressing boxes (303) is provided with an embossing frame (305), the pressing plate (302) is arranged at the center position of the outer side of the pressing box (303), the pressing plate (302) is fixedly connected with a pressing rod (306) close to the side of the pressing box (303), one end of the pressing rod (306) is slidably connected with the pressing box (303) and is fixedly connected with the embossing frame (305), and the other end is provided with a spring (301) around.

2. A backer for correcting the angle of impact of a rebound ball, according to claim 1, characterized in that: The positioning structure (2) comprises a top frame (201) and a sliding rod (207), the bottom of the top frame (201) is fixedly connected with the top end of the support rod (1), the two side walls in the top frame (201) are provided with a sliding groove (202), one side wall of the top frame (201) is provided with a long cavity (208) in communication with the sliding groove (202), the two ends of the sliding rod (207) are slidably connected with the sliding groove (202), the sliding rod (207) is fixedly connected with a screw rod (204) at one end of the long cavity (208), the screw rod (204) is threadedly connected with a nut (203), the sliding rod (207) is slidably sleeved with a sliding frame (205), the sliding frame (205) is threadedly connected with a pressing bolt (206) at the top, and the sliding frame (205) is fixedly connected with a telescopic sleeve (2010) at the top.

3. A backer for correcting the angle of impact of a rebound ball, according to claim 2, characterized in that: The telescopic sleeve (2010) is threadedly connected with a mounting bolt (209) at the outer side of the telescopic end.

4. A backer for correcting the angle of impact of a rebound ball, according to claim 1, characterized in that: The smearing structure (5) comprises an ink pad box (504) and a smearing roller (505), the ink pad box (504) is fixedly connected to the top of the pressing box (303), the two inner side walls of the pressing box (303) are provided with a push rod (507), one end of the push rod (507) is fixedly connected with the bottom of the pressing box (303) through a compression spring (506), the other end of the push rod (507) is slidably connected with the pressing box (303), the smearing roller (505) is rotatably connected between the bottom ends of the two push rods (507), and the side of the support rod (1) at the same side position of the pressing box (303) is fixedly connected with a limiting curved rod (501).

5. A backer for correcting the angle of impact of a rebound ball, according to claim 4, characterized in that: The smearing roller (505) is arranged directly below the ink pad box (504), the bottom of the ink pad box (504) is provided with an opening matched with the outer diameter of the smearing roller (505), and the smearing roller (505) is in contact with the outer side of the embossing frame (305).

6. A backer for correcting the angle of impact of a rebound ball, according to claim 4, characterized in that: The limiting curved rod (501) is fixedly connected with the adjacent support rod (1) through a plurality of reinforcing rods (502), and the inner side walls of the two ends of the limiting curved rod (501) are provided with arc-shaped grooves (503).

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