Stud detection device

Abstract

The utility model discloses a toggle pin detection device, which belongs to the technical field of toggle pin detection equipment and comprises an upper loading head, a lower loading head and a steel plate, the upper loading head and the lower loading head are symmetrically distributed up and down, one end of each of the upper loading head and the lower loading head is fixedly provided with a draw bar, one end of the steel plate is welded with a toggle pin, and the other end of the toggle pin is positioned in the upper loading head. Movable square plates are installed at the inner end of the lower loading head through a driving assembly, a steel plate is installed between the square plates, movable limiting plates are installed on the two sides of the upper loading head through moving assemblies, a base plate is connected to the outer side of one end of each stud in a sleeving mode, and the studs of different sizes are detected by manually moving the limiting plates and adjusting the distance between the limiting plates; the device is simple in structure and high in practicability, studs and steel plates can be automatically moved into or out of the upper loading head and the lower loading head by moving the square plate, manual movement by personnel is not needed, convenience and rapidness are achieved, and the detection efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bolt detection device belongs to bolt detection equipment technical field. BACKGROUND

[0002] The bolt is a cylindrical head welding bolt for arc stud welding, and belongs to a high-strength rigid connection fastener, which is used in various steel structure projects and plays a role in rigid combined connection in different connecting pieces. The bolt is generally used as a connecting piece for the combined connection of a floor beam and a reinforced concrete floor. The bolt is welded by using a pull arc type bolt welding machine and a welding gun, and a deoxidized arc heat-resistant ceramic seat ring is used. The bolt is the main connecting piece, so it is necessary to use a bolt detection device to detect the tensile strength of the bolt during use to avoid poor tensile strength of the bolt and steel plate welding position, which cannot play a very stable connecting role.

[0003] According to the utility model discloses a bolt detection device, including clamp, steel sheet, the clamp includes upper loading head, lower loading head, steel pipe, the steel pipe is welded in the upper loading head and lower loading head face, the steel sheet is located in the upper loading head, the bolt is welded on the steel sheet one end, the other end of the bolt is located in the lower loading head, still include a wedge, the inclined surface of wedge is parallel with the steel sheet, the wedge is fixed in the upper loading head through bolt.

[0004] The common bolt detection device can detect the tensile strength of the bolt and the steel plate by moving the upper loading head and the lower loading head. However, the worker needs to manually move the bolt and the steel plate into or out of the upper loading head and the lower loading head, which is inconvenient and inefficient. Moreover, it is difficult to detect bolts of different sizes, and the upper loading head needs to be replaced, which has low practicality. UTILITY MODEL CONTENTS

[0005] The utility model discloses a bolt detection device to automatically move the bolt and the steel plate into or out of the upper loading head and the lower loading head and detect bolts of different sizes, aiming at the deficiencies of the prior art.

[0006] The utility model discloses a bolt detection device through the following technical scheme to realize above -mentioned purpose, a bolt detection device, including upper loading head, lower loading head and steel sheet, upper loading head with lower loading head is upside -down symmetry distribution, upper loading head with lower loading head one end is fixedly installed with the towbar, steel sheet one end is welded with bolt, bolt other end is located in upper loading head, lower loading head inner end is installed with movable square plate through drive assembly, steel sheet is installed between square plate, upper loading head both sides are installed with movable limit plate through moving assembly, bolt one end outside sleeve has the backing pad, the backing pad one end with limit plate contact, when using, the backing pad is used for preventing bolt and is separated from upper loading head, moving assembly is used for moving limit plate, and limit plate is used for limiting the position of bolt, and square plate is used for moving steel sheet, and drive assembly is used for moving square plate, and the towbar is used to move upper loading head and lower loading head to both sides.

[0007] Further, in order to prevent the square plate from deviating during movement, a sliding groove is formed in one end of the lower loading head, and the square plate is clamped in the sliding groove.

[0008] Further, in order to enable the square plate to move smoothly, the drive assembly comprises symmetrically arranged lead screws, mounting plates are fixedly installed at both ends of the lower loading head, the lead screws are rotatably installed between the mounting plates, the square plate is threadedly connected with the lead screws, one end of the lead screw is fixedly installed with a belt pulley having a belt attached to the outside, the lead screw is used to change the position of the square plate, and the belt pulley is used to drive the lead screw to rotate simultaneously.

[0009] Further, in order to enable the lead screws to rotate simultaneously, a servo motor is fixedly installed at one end of the mounting plate, the output end of the servo motor is fixedly connected with the belt pulley, and the servo motor is used to drive the belt pulley.

[0010] Further, in order to fix the steel plate, a magnet is fixedly installed inside one end of the square plate, and the magnet is attracted to the steel plate.

[0011] Further, in order to enable the limit plate to move, the moving assembly comprises a U-shaped plate, one end of the limit plate is in contact with the inner end of the U-shaped plate, a threaded rod is threadedly connected to one end of the U-shaped plate, one end of the threaded rod is rotatably connected with the limit plate, and a hand wheel is fixedly installed at the other end of the threaded rod, the threaded rod is used to change the position of the limit plate, and the hand wheel is used to facilitate the rotation of the threaded rod.

[0012] Further, in order to make the limiting plate move smoothly, guiding rods are fixedly installed on both sides of one end of the limiting plate, one end of the guiding rod is inserted into the U-shaped plate, and the guiding rod plays a limiting guiding role.

[0013] Further, in order to limit the base plate, a positioning plate in rectangular distribution is inserted into the upper loading head, one end of the positioning plate extends into the base plate, the positioning plates are fixedly connected through connecting plates, springs are sleeved outside the positioning plates, one end of the spring is fixedly connected with the upper loading head, the other end of the spring is fixedly connected with the connecting plate, and the deformation force of the spring is used to move the positioning plate.

[0014] The utility model discloses the technical effect and advantage: the utility model discloses when using, through moving square plate, the bolt and steel plate are automatically moved into or moved out in upper loading head and lower loading head, need not personnel to move manually, convenient and fast, and the detection efficiency is high, also can move the limiting plate manually, adjust the distance between the limiting plate, thereby the bolt of different sizes is detected, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the lower loading head and square block connecting structure schematic diagram of the utility model;

[0017] Figure 3 It is the driving assembly and square block connecting structure schematic diagram of the utility model;

[0018] Figure 4 It is the upper loading head connecting structure schematic diagram of the utility model;

[0019] Figure 5 It is the positioning plate and base plate connecting structure schematic diagram of the utility model;

[0020] Figure 6 It is the moving assembly and limiting plate connecting structure schematic diagram of the utility model.

[0021] In the drawing: 1, upper loading head;2, lower loading head;3, steel plate;4, traction rod;5, bolt;6, driving assembly;601, lead screw;602, pulley;603, servo motor;7, square plate;8, moving assembly;801, U-shaped plate;802, threaded rod;803, hand wheel;804, guiding rod;9, limiting plate;10, base plate;11, sliding groove;12, magnet;13, positioning plate;14, connecting plate;15, spring. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Please refer to Figures 1-6 As shown in the figure, a stud detection device, including the upper loading head 1, the lower loading head 2 and the steel plate 3, the upper loading head 1 and the lower loading head 2 are symmetrically distributed, the upper loading head 1 and the lower loading head 2 are fixedly installed with the traction rod 4 at one end, the steel plate 3 is welded with the stud 5 at one end, the other end of the stud 5 is located in the upper loading head 1, the inner end of the lower loading head 2 is installed with the movable square plate 7 through the driving assembly 6, the steel plate 3 is installed between the square plate 7, the movable limiting plate 9 is installed on both sides of the upper loading head 1 through the moving assembly 8, the stud 5 is sleeved with the pad 10 at one end of the outer side, the pad 10 is in contact with the limiting plate 9 at one end, the magnet 12 is fixedly installed in the inner end of the square plate 7, the magnet 12 is adsorbed with the steel plate 3, the positioning plate 13 is inserted into the upper end of the upper loading head 1 in a rectangular distribution, the positioning plate 13 extends to the inner part of the pad 10 at one end, the positioning plate 13 is fixedly connected through the connecting plate 14 between them, the spring 15 is sleeved with the outer side of the positioning plate 13, the spring 15 is fixedly connected with the upper loading head 1 at one end, the spring 15 is fixedly connected with the connecting plate 14 at the other end, when in use, first put the steel plate 3 and the stud 5 into the upper loading head 1 and the lower loading head 2 at one end, fix the steel plate 3 through the magnet 12 in the inner part of the square plate 7, then move the square plate 7 through the driving assembly 6 at the same time, the steel plate 3, the pad 10 and the stud 5 move accordingly, then manually move the positioning plate 13 upward through the connecting plate 14, at this time the spring 15 is stretched, when the steel plate 3 and the stud 5 move to the specified position, loosen the connecting plate 14, the positioning plate 13 limits the pad 10 under the action of the spring 15 deformation force, prevent the steel plate 3 and the stud 5 from moving left and right during the detection process, then move the upper loading head 1 and the lower loading head 2 to both sides through the traction rod 4 to detect the tensile resistance of the stud 5, after detection, move it out through the driving assembly 6, without manual movement of personnel, convenient and efficient, high detection efficiency, when it is necessary to detect the studs 5 of different sizes, move the limiting plate 9 through the moving assembly 8, adjust the distance between the limiting plate 9, strong practicability.

[0024] The lower loading head 2 is internally provided with a sliding groove 11 at one end, and one end of the square plate 7 is clamped in the sliding groove 11, the driving assembly 6 comprises symmetrically arranged lead screws 601, and the lower loading head 2 is fixedly provided with mounting plates at two ends, the lead screws 601 are rotatably installed between the mounting plates, the square plate 7 is threadedly connected with the lead screws 601, one end of the lead screw 601 is fixedly provided with a belt pulley 602 with a belt attached to the outer side, one end of the mounting plate is fixedly provided with a servo motor 603, and the output end of the servo motor 603 is fixedly connected with the belt pulley 602; in use, the servo motor 603 is started to drive the belt pulley 602 on one side to rotate, and then drive the belt pulley 602 on the other side to rotate through the belt, so that the lead screws 601 on both sides rotate at the same time, and the square plate 7 moves, so that the steel plate 3, the backing plate 10 and the dowel 5 are moved to the corresponding positions.

[0025] The moving assembly 8 comprises a U-shaped plate 801, one end of the limiting plate 9 is in contact with the inner end of the U-shaped plate 801, the U-shaped plate 801 is threadedly connected with a threaded rod 802 at one end, the threaded rod 802 is rotatably connected with the limiting plate 9 at one end, the threaded rod 802 is fixedly provided with a hand wheel 803 at the other end, the limiting plate 9 is fixedly provided with guide rods 804 at both sides of one end, and the guide rods 804 are inserted into the U-shaped plate 801 at one end; in use, when it is necessary to detect dowels 5 of different sizes, the hand wheel 803 is manually rotated first to drive the threaded rod 802 to rotate, so that the limiting plate 9 moves on both sides of the upper loading head 1, the distance between the limiting plates 9 is adjusted, so that the distance is adapted to the size of the dowel 5, thereby facilitating detection, and at this time, the guide rods 804 move in the U-shaped plate 801 to play a guiding and limiting role.

[0026] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A stud detection device, comprising an upper loading head (1), a lower loading head (2) and a steel plate (3), wherein the upper loading head (1) and the lower loading head (2) are symmetrically distributed in an upper and lower direction, a traction rod (4) is fixedly mounted on one end of each of the upper loading head (1) and the lower loading head (2), a stud (5) is welded to one end of the steel plate (3), and the other end of the stud (5) is located in the upper loading head (1), characterized in that: The inner end of the lower loading head (2) is installed with a movable square plate (7) through a driving component (6), the steel plate (3) is installed between the square plates (7), and movable limit plates (9) are installed on both sides of the upper loading head (1) through a moving component (8). A pad (10) is sleeved on the outer side of one end of the bolt (5), and one end of the pad (10) is in contact with the limit plate (9).

2. The stud detection device according to claim 1, wherein: A sliding groove (11) is provided at one end inside the lower loading head (2), and one end of the square plate (7) is clamped in the sliding groove (11).

3. The stud detection device according to claim 1, wherein: The driving assembly (6) includes a symmetrically arranged lead screw (601), mounting plates are fixedly mounted at both ends of the lower loading head (2), the lead screw (601) is rotatably mounted between the mounting plates, the square plate (7) is threadedly connected to the lead screw (601), and a pulley (602) with a belt attached to the outer side is fixedly mounted at one end of the lead screw (601).

4. The stud detection device according to claim 3, wherein: A servo motor (603) is fixedly mounted on one end of the mounting plate, and an output end of the servo motor (603) is fixedly connected to the pulley (602).

5. The stud detection device according to claim 1, wherein: A magnet (12) is fixedly installed inside one end of the square plate (7), and the magnet (12) is attracted to the steel plate (3).

6. The stud detection device according to claim 1, wherein: The moving assembly (8) comprises a U-shaped plate (801), one end of the limiting plate (9) contacts the inner end of the U-shaped plate (801), one end of the U-shaped plate (801) is threadedly connected to a threaded rod (802), one end of the threaded rod (802) is rotatably connected to the limiting plate (9), and the other end of the threaded rod (802) is fixedly mounted with a hand wheel (803).

7. The stud detection device according to claim 6, wherein: Guide rods (804) are fixedly mounted on both sides of one end of the limiting plate (9), and one end of the guide rod (804) is inserted into the U-shaped plate (801).

8. The stud detection device according to claim 1, wherein: A rectangularly distributed positioning plate (13) is inserted into the upper end of the upper loading head (1), one end of the positioning plate (13) extends into the interior of the pad (10), and the positioning plates (13) are fixedly connected to each other via a connecting plate (14). A spring (15) is sleeved on the outer side of the positioning plate (13), one end of the spring (15) is fixedly connected to the upper loading head (1), and the other end of the spring (15) is fixedly connected to the connecting plate (14).

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