CN217424991U

CN217424991U - Reinforcing steel bar tensile testing machine convenient to clamp

Info

Publication number: CN217424991U
Application number: CN202220614003.4U
Authority: CN
Inventors: 李谦
Original assignee: Henan Hengye Construction Engineering Quality Inspection Co ltd
Current assignee: Henan Hengye Construction Engineering Quality Inspection Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-09-13
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to a tensile test technical field specifically is reinforcing bar tensile test machine of centre gripping for convenient reason, which comprises an anchor clamps, anchor clamps include the mount pad to and be located the clamp plate of the inboard department of mount pad, each rotate between mount pad both sides and the clamp plate and be connected the connecting rod, and each the clamp plate encloses into parallelogram structure with mount pad, connecting rod, each the clamp plate is used for the grip block of centre gripping article that awaits measuring, each in its opposite side department installation the extensible member of distance between mount pad and each clamp plate is used for adjusting in the installation between mount pad and each clamp plate, the utility model discloses be convenient for install the article that awaits measuring on anchor clamps, also be convenient for take off the article that awaits measuring from anchor clamps.

Description

Reinforcing steel bar tensile testing machine convenient to clamp

Technical Field

The utility model relates to a tensile test technical field specifically is reinforcing bar tensile test machine of centre gripping for being convenient for.

Background

The tensile strength, elongation and yield strength of the steel bar are three basic mechanical property indexes of the steel bar, and the three indexes are obtained by a steel bar tensile test. Therefore, the accuracy of the steel bar tension detection is crucial. Tensile testing machine is used in reinforcing bar tensile test, but tensile testing machine in use at present, when installing the article that awaits measuring on the anchor clamps on tensile testing machine or will await measuring the article and take off from anchor clamps, need the rotatory bolt repeatedly, the process is very loaded down with trivial details, is not convenient for use.

SUMMERY OF THE UTILITY MODEL

To the above, in order to solve the problems existing in the prior art, the utility model provides a reinforcing bar tensile testing machine convenient to centre gripping.

The technical scheme is that the reinforcing steel bar tensile testing machine convenient to clamp comprises a clamp, wherein the clamp comprises a mounting seat and pressing plates located on the inner side of the mounting seat, connecting rods are rotatably connected between two sides of each mounting seat and the pressing plates, each pressing plate, the mounting seat and the connecting rods form a parallelogram structure in a surrounding mode, clamping plates used for clamping an object to be tested are installed on the opposite sides of each pressing plate, and telescopic pieces used for adjusting the distance between the mounting seat and each pressing plate are installed between each mounting seat and each pressing plate.

Preferably, each pressing plate and the connecting rod are symmetrically arranged, and each pressing plate is connected with a sliding rod for synchronous movement of each pressing plate in a sliding mode.

Preferably, the body of each telescopic member is fixedly connected with the mounting seat, and the extended end of each telescopic member is provided with a push plate for contacting with the surface of the pressure plate.

Preferably, the joint of the clamping plate and the pressing plate is provided with a clamping groove and a clamping block which are matched, and a magnetic part for fixing the clamping plate and the pressing plate is arranged in each clamping groove.

Preferably, the mounting seat comprises an upper support plate, the two sides of the upper support plate are fixedly connected with side plates, a connecting plate is fixedly connected between the bottom sides of the side plates, and a gap is reserved between the connecting plates.

Preferably, the fixing device further comprises a base, threaded rods are rotatably connected to the base, the thread directions at two ends of each threaded rod are opposite, the threaded rods are in threaded connection with fixing seats at two ends, and mounting seats are fixedly connected to the fixing seats.

The utility model provides a reinforcing bar tensile test machine convenient to centre gripping compares beneficial effect with prior art and is:

1. the distance between the mounting seat and each pressing plate is adjusted through the telescopic piece, so that the connecting rod rotates relative to the mounting seat, the distance between the pressing plates is adjusted, the object to be detected is clamped and fixed by each clamping plate, when the fixed object to be detected is to move downwards in the mounting seat at the upper side in the tensile testing machine, the two clamping plates are clamped more tightly by the parallelogram structure, so that the object to be detected is conveniently and stably fixed between the two clamping plates, when the object to be detected needs to be taken down, the length of the telescopic piece is reduced firstly, then the object to be detected is moved upwards, so that the distance between the two clamping plates is increased, the object to be detected is conveniently taken down from the clamp, in the mounting seat at the lower side in the tensile testing machine, the mounting and the dismounting of the object to be detected are the same due to the symmetrical arrangement of the two mounting seats, so that the object to be detected is conveniently mounted on the clamp, and the object to be measured can be conveniently taken down from the clamp.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a partial enlarged view of the position a of the present invention.

Fig. 3 is a schematic sectional view in the direction B-B of the present invention.

In the figure: the device comprises a base 1, a threaded rod 2, a fixed seat 3, a guide rod 4, a mounting seat 5, an upper support plate 5.1, a side plate 5.2, a connecting plate 5.3, a pressing plate 6, a clamping plate 7, a connecting rod 8, a telescopic part 9, a sliding rod 10, a push plate 11, a clamping block 12, a clamping groove 13 and a magnetic part 14.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

Referring to fig. 1-3, the present invention provides a technical solution: a reinforcing steel bar tensile testing machine convenient to clamp comprises a clamp, wherein the clamp comprises a mounting seat 5 and pressing plates 6 positioned on the inner side of the mounting seat 5, connecting rods 8 are rotatably connected between two sides of each mounting seat 5 and the pressing plates 6, each pressing plate 6, the mounting seat 5 and the connecting rods 8 form a parallelogram structure, clamping plates 7 used for clamping an object to be tested are installed on opposite sides of each pressing plate 6, telescopic pieces 9 used for adjusting the distance between the mounting seat 5 and each pressing plate 6 are installed between each mounting seat 5 and each pressing plate 6, the mounting seats 5 are provided with two pressing plates 6, two clamping plates 7 and four connecting rods 8, each telescopic piece 9 is an electric telescopic rod, when the reinforcing steel bar tensile testing machine is used, the distance between the mounting seat 5 and each pressing plate 6 is adjusted through the telescopic pieces 9, so that the connecting rods 8 rotate relative to the mounting seat 5, the distance between the pressing plates 6 is adjusted, and each clamping plate 7 clamps the object to be tested, in the mount pad 5 of upside department in tensile testing machine, when the object that awaits measuring after fixing wants to move down, make two grip blocks 7 tighter to the object centre gripping that awaits measuring through the parallelogram structure, thereby be convenient for make the object that awaits measuring stably fix between two grip blocks 7, when the object that awaits measuring needs to be taken off, reduce the length of extensible member 9 earlier, make the object that awaits measuring shift up again, thereby increase the distance between two grip blocks 7, the object that awaits measuring is convenient for take off from the anchor clamps, in the mount pad 5 of downside department in tensile testing machine, because two mount pads 5 symmetric arrangement, make the installation and the dismantlement of the object that awaits measuring equally so, thereby be convenient for install the object that awaits measuring on the anchor clamps, also be convenient for take off the object that awaits measuring from the anchor clamps.

In one embodiment, the pressing plates 6 and the connecting rods 8 are symmetrically arranged, the pressing plates 6 are slidably connected with sliding rods 10 for synchronously moving the pressing plates 6, wherein the axial direction of the sliding rods 10 is perpendicular to the symmetry plane of the pressing plates 6, two sliding rods 10 are arranged at each mounting seat 5, and the pressing plates 6 are synchronously moved through the sliding of the pressing plates 6 relative to the sliding rods 10.

In one embodiment, the body of each telescopic member 9 is bolted to the mounting base 5, the extended end of each telescopic member 9 is bolted to a push plate 11 for contacting the surface of the pressure plate 6, and the distance between the mounting base 5 and each pressure plate 6, and thus the distance between the two clamping plates 7, is adjusted by the movement of the push plate 11.

In an embodiment, the connecting part of the clamping plate 7 and the pressing plate 6 is provided with a clamping groove 13 and a clamping block 12 which are matched, a magnetic part 14 used for fixing the clamping plate 7 and the pressing plate 6 is installed in each clamping groove 13, the clamping groove 13 is formed in the pressing plate 6, the clamping block 12 is arranged on the clamping plate 7, and the magnetic part 14 is a magnet, so that the clamping plate 7 can be conveniently installed and detached relative to the pressing plate 6, and the clamping plate 7 can be conveniently replaced according to reinforcing steel bars with different sizes.

In one embodiment, the mounting base 5 comprises an upper support plate 5.1, two sides of the upper support plate 5.1 are fixedly connected with side plates 5.2, a connecting plate 5.3 is fixedly connected between the bottom sides of the side plates 5.2, gaps are reserved between the connecting plates 5.3, the upper support plate 5.1, the side plates 5.2 and the connecting plates 5.3 are of an integrated structure, two side plates 5.2 and two connecting plates 5.3 are arranged on each mounting base 5, and an object to be detected can be conveniently mounted between the clamping plates 7 through the gaps between the two connecting plates 5.3.

In an embodiment, still include base 1, rotation connecting threaded rod 2 on base 1, the screw thread opposite direction at 2 both ends departments of each threaded rod, each threaded rod 2 is at both ends department threaded connection fixing base 3, welding fixed mount pad 5 on each fixing base 3, fixing base 3 has two, through the rotation of threaded rod 2, adjust the distance between two fixing bases 3, thereby adjust the distance between two mount pads 5, wherein threaded rod 2 has two, the part that two threaded rod 2 lower extremes stretch into base 1 inside is connected with the transmission of motor output shaft tooth, motor bolt fixes in base 1, through the operation of motor, it is rotatory to drive the relative base 1 of threaded rod 2, wherein bolt fastening guide arm 4 on base 1, guide arm 4 has two, guide arm 4 and 3 sliding connection of fixing base, be convenient for make fixing base 3 reciprocate through guide arm 4.

The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.

Claims

1. Reinforcing bar tensile test machine convenient to centre gripping, including anchor clamps, anchor clamps include mount pad (5) to and be located clamp plate (6) of mount pad (5) inboard department, its characterized in that: connecting rods (8) are rotatably connected between two sides of each mounting seat (5) and the pressing plates (6), each pressing plate (6), the mounting seats (5) and the connecting rods (8) form a parallelogram structure in a surrounding mode, clamping plates (7) used for clamping objects to be tested are installed on the opposite sides of each pressing plate (6), and telescopic pieces (9) used for adjusting the distance between each mounting seat (5) and each pressing plate (6) are installed between each mounting seat (5) and each pressing plate (6).

2. The reinforcing bar tensile testing machine convenient to centre gripping of claim 1, characterized by: the pressing plates (6) and the connecting rods (8) are symmetrically arranged, and the pressing plates (6) are connected with sliding rods (10) used for synchronous movement of the pressing plates (6) in a sliding mode.

3. The reinforcing bar tensile testing machine convenient to centre gripping of claim 1, characterized by: the body of each telescopic piece (9) is fixedly connected with the mounting seat (5), and the extending end of each telescopic piece (9) is provided with a push plate (11) which is in surface contact with the pressure plate (6).

4. The reinforcing bar tensile testing machine convenient to centre gripping of claim 1, characterized by: and the joint of the clamping plate (7) and the pressing plate (6) is provided with a clamping groove (13) and a clamping block (12) which are matched, and a magnetic part (14) for fixing the clamping plate (7) and the pressing plate (6) is arranged in each clamping groove (13).

5. The reinforcing bar tensile testing machine convenient to centre gripping of claim 1, characterized by: the mounting seat (5) comprises an upper support plate (5.1), two sides of the upper support plate (5.1) are fixedly connected with side plates (5.2), connecting plates (5.3) are fixedly connected between the bottom sides of the side plates (5.2), and gaps are reserved between the connecting plates (5.3).

6. The reinforcing bar tensile testing machine convenient to centre gripping of claim 1, characterized by: the novel screw rod fixing device is characterized by further comprising a base (1), wherein the base (1) is rotatably connected with threaded rods (2), the thread directions of two ends of each threaded rod (2) are opposite, the threaded rods (2) are in threaded connection with fixing seats (3) at two ends, and the fixing seats (3) are fixedly connected with mounting seats (5).