CN218412017U

CN218412017U - Ball node detector

Info

Publication number: CN218412017U
Application number: CN202222928196.3U
Authority: CN
Inventors: 周瑶凯; 严栓; 崔柏森; 张培培; 宣宇
Original assignee: Lianyungang Construction Engineering Quality Testing Center Co ltd
Current assignee: Lianyungang Construction Engineering Quality Testing Center Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-31
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to an engineering testing technique field, concretely relates to ball node detector, including mounting fixture seat, removal anchor clamps seat, mounting fixture seat all is provided with tensile keeping silent with the relative one side of removal anchor clamps seat, tensile keeping silent's inner wall is provided with the spout relative with the screw rod that excels in, it sets up the slider to slide in the spout, the slider is provided with the constant head tank that corresponds with the screw rod that excels in towards one side of the screw rod that excels in, set up the spring along its length direction in the spout, spring length direction's one end and the diapire butt of spout, the other end and slider butt, the utility model discloses following beneficial effect has: the bolt ball joint does not need to be supported by an operator when the nut is screwed down, so that the labor is saved, and meanwhile, when the tensile test is carried out, the end part of the high-strength screw rod is kept in the positioning groove under the action of the spring by the sliding block, so that the high-strength screw rod is prevented from falling off from the tensile jaw due to the fact that the nut is not screwed down, and the safety of the test is improved.

Description

Ball node detector

Technical Field

The utility model relates to an engineering detection technical field, in particular to ball node detector.

Background

The steel structure grid structure is used for building a large-space building, and starts in the last century, is flourishing in the modern novel structural form, has the advantages of novel structure, reasonable stress, light dead weight, low steel consumption and the like, and is widely applied to large stadiums, exhibition centers, movie theaters, markets, airport buildings, waiting halls, factory workshops, warehouses, television towers and the like. The main components of the steel structure grid structure are bolt ball joints. The bolt-ball joint consists of bolt, steel ball, pin, sleeve, conic head or sealing plate and other parts, and is suitable for connecting steel pipe rod and is mainly used in truss structure.

Chinese patent application No. CN2021220053488 discloses a special tester for bearing capacity of welded hollow ball nodes, which is essentially a ball node detector. This detector includes frame, anchor clamps seat, hydraulic pressure mechanism and servo mechanism etc. has tensile space and compression space in the frame, and the anchor clamps seat includes the stationary fixture seat and removes the anchor clamps seat, all has tensile keeping silent on each anchor clamps seat, sets up screw rod and nut excel in tensile keeping silent. When the tensile limit bearing capacity test is carried out, the hydraulic mechanism is matched with the servo mechanism to drive the movable clamp seat to move towards the direction away from the fixed clamp seat, and the bolt ball joint is stretched.

Before the ball joint detector performs a tensile limit bearing capacity test, the bolt ball joint and related accessories are connected with the two high-strength screws, nuts are connected to the end portions of the high-strength screws, the high-strength screws and the bolt ball joint are placed in a stretching space, the two nuts are respectively located in the fixed stretching jaws, and then the nuts are tightened to lock and clamp the end portions of the high-strength screws in the stretching jaws. The stud ball joint is made of steel material, and its diameter is usually 100 mm to 300 mm, so its weight is large. When the nuts are screwed down, an operator needs to screw down the two nuts in sequence while supporting the bolt-ball joint, so that the bolt-ball joint is troublesome to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ball joint detector has the characteristics of the construction bolt ball joint of being convenient for.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a ball joint detector, includes the mounting fixture seat, removes the anchor clamps seat, the mounting fixture seat all is provided with tensile keeping silent with the relative one side of removal anchor clamps seat, tensile inner wall of keeping silent is provided with the spout relative with the screw rod that excels in, it sets up the slider to slide in the spout, the slider is provided with the constant head tank that corresponds with the screw rod that excels in towards the one side of the screw rod that excels in, set up the spring along its length direction in the spout, spring length direction's one end and the diapire butt of spout, the other end and slider butt.

Through adopting the above technical scheme, when the bolt ball node is installed, place the bolt ball node between mounting fixture seat and removal fixture seat, make the tip of the screw rod that excels in insert the constant head tank, the slider offsets with the screw rod that excels in under the effect of spring, fix the tip of the screw rod that excels in the constant head tank, fix in advance the bolt ball node, operating personnel needn't hold the bolt ball node when screwing up the nut, simultaneously when carrying out tensile test, the slider makes the tip of the screw rod that excels in keep in the constant head tank under the effect of spring, prevent to lead to the screw rod that excels in to drop from tensile keeping silent because of the nut does not screw up, so improved experimental security.

Preferably, the opening of the sliding groove is provided with a first clamping block for preventing the sliding block from falling off, and one end of the sliding block, which is close to the spring, is provided with a second clamping block corresponding to the first clamping block.

Through adopting above-mentioned technical scheme, through the restriction of first fixture block and second fixture block, prevent that the slider from dropping in the in-process that removes from the spout.

Preferably, the inner wall of the sliding groove, which is abutted against the spring, is provided with a rotating groove, one end of the rotating groove, which is far away from the spring, is perpendicular to the length direction of the rotating groove, and is provided with a clamping groove, the rotating groove and the clamping groove are opened upwards, a sliding rod is arranged in the rotating groove in a sliding manner, one end of the sliding rod is rotatably connected with the sliding block, the other end of the sliding rod is connected with a shifting block, and the shifting block upwards extends to the outer parts of the rotating groove and the clamping groove.

Through adopting above-mentioned technical scheme, when taking off bolt ball node, unscrew the nut earlier, stir the shifting block again and remove to draw-in groove department, the shifting block drives the slide bar and removes, and then drives the slider and to the inside removal of spout, make the screw rod that excels in shifted out the constant head tank, because the slide bar rotates with the slider to be connected, the slide bar can rotate in the spout, convenient to use person rotates the shifting block, go into the draw-in groove with the shifting block card, and then fix the slider, convenient to use person takes off bolt ball node.

To sum up, the utility model discloses following beneficial effect has: when the bolt ball node is installed, place the bolt ball node between the fixed clamp seat and the movable clamp seat, make the tip of the screw rod that excels in insert the constant head tank, the slider offsets with the screw rod that excels in under the effect of spring, the tip of the screw rod that excels in is fixed in the constant head tank, fix the bolt ball node in advance, operating personnel needn't hold the bolt ball node when screwing up the nut, therefore it is more laborsaving, it is more convenient when installing the bolt ball node, simultaneously when carrying out tensile test, the slider is under the effect of spring, make the tip of the screw rod that excels in keep in the constant head tank, prevent to lead to the screw rod that excels in to drop from tensile keeping silent because of the nut is not screwed up, the event improves experimental security.

Drawings

FIG. 1 is a top view of an exemplary ball node testing apparatus showing the positions of a stationary fixture mount and a movable fixture mount;

FIG. 2 is a sectional view of a fixing jig base for embodying the shapes of a rotation groove and a catching groove in the embodiment;

fig. 3 is a sectional view of another angle of the fixing jig base in the embodiment for embodying the position of the dial block.

In the figure, 11, a frame; 12. fixing a clamp seat; 13. moving the clamp seat; 14. stretching the jaw; 15. a high-strength screw; 16. a nut; 17. a bolt-ball joint; 21. a chute; 22. a slider; 23. positioning a groove; 24. a spring; 31. a first clamping block; 32. a second fixture block; 41. a rotating groove; 42. a card slot; 43. a slide bar; 44. and (5) shifting blocks.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b): a ball node detector is shown in figure 1, wherein a frame 11 is provided with a clamp seat, and the clamp seat is divided into a fixed clamp seat 12 and a movable clamp seat 13. The fixed clamp seat 12 and the movable clamp seat 13 are both provided with stretching jaws 14, and the fixed clamp seat 12 and the movable clamp seat 13 are symmetrically arranged. The two sides of the detected bolt ball joint 17 are respectively connected with a high-strength screw 15, the end part of the high-strength screw 15 is connected with a nut 16, and the high-strength screw 15 and the bolt ball joint 17 are fixed in the rack 11 in a fastening mode of the nut 16.

As shown in fig. 2 and 3, the side wall of the stretching jaw 14 is opened with a sliding slot 21 inward, and the sliding slot 21 faces to the end of the high-strength screw 15. The slide groove 21 is connected with a slide block 22 in a sliding way, and one side of the slide block 22 facing the high-strength screw 15 is provided with a positioning groove 23 inwards. The size of constant head tank 23 and the tip phase-match of high tensile screw rod 15 make the tip of high tensile screw rod 15 can insert in constant head tank 23. A first latch 31 is disposed at the opening of the sliding slot 21. One end of the slider 22 away from the positioning groove 23 is provided with a second latch 32 corresponding to the first latch 31. Through the cooperation of first fixture 31 and second fixture 32, play limiting displacement to slider 22, prevent that slider 22 from droing from spout 21. The slide groove 21 is connected with a spring 24 along the length direction thereof, one end of the spring 24 in the length direction is connected with the inner wall of the slide groove 21, the other end is connected with the side surface of the slider 22, and the slider 22 has a tendency to move to the outside of the opening of the slide groove 21 by the spring 24. The inner wall of the sliding groove 21 opposite to the opening is provided with a rotating groove 41. The end of the rotary slot 41 remote from the slider 22 is connected to a catch 42. The longitudinal direction of the rotation groove 41 and the longitudinal direction of the catching groove 42 are perpendicular to each other. The rotation groove 41 and the catching groove 42 are opened upward. A sliding rod 43 is arranged in the rotating groove 41, and one end of the sliding rod 43, which is close to the sliding block 22, is rotatably connected with the sliding block 22, so that the sliding rod 43 can rotate along the axis of the sliding rod 43. One end of the sliding rod 43 close to the clamping groove 42 is connected with a shifting block 44. The bottom of the shifting block 44 is connected with the sliding rod 43, and the top of the shifting block extends upwards to the outside of the rotating groove 41 and the clamping groove 42.

The using method comprises the following steps: when the bolt ball joint 17 is installed, the bolt ball joint 17 is placed between the fixed clamp seat 12 and the movable clamp seat 13, the end part of the high-strength screw rod 15 is inserted into the positioning groove 23, the sliding block 22 is propped against the high-strength screw rod 15 under the action of the spring 24, the end part of the high-strength screw rod 15 is fixed in the positioning groove 23, the bolt ball joint 17 is pre-fixed, and an operator does not need to support the bolt ball joint 17 when screwing the nut 16. When taking down the bolt ball node 17, unscrew the nut 16 earlier, stir shifting block 44 again and remove to draw-in groove 42 department, shifting block 44 drives slide bar 43 and removes, and then drives slider 22 and remove to spout 21 inside, makes high strength screw 15 shifted out constant head tank 23, because slide bar 43 and slider 22 rotate to be connected, slide bar 43 can rotate in spout 21, and the person of facilitating the use rotates shifting block 44, blocks shifting block 44 in draw-in groove 42, and then fixes slider 22, and the person of facilitating the use takes down bolt ball node 17.

Claims

1. The utility model provides a ball node detector, includes mounting fixture seat (12), removes anchor clamps seat (13), one side that mounting fixture seat (12) and removal anchor clamps seat (13) are relative all is provided with tensile vice jaw (14), its characterized in that: the inner wall of tensile jaw (14) is provided with spout (21) relative with high tensile screw rod (15), slide in spout (21) and set up slider (22), slider (22) are provided with constant head tank (23) that correspond with high tensile screw rod (15) towards one side of high tensile screw rod (15), set up spring (24) along its length direction in spout (21), spring (24) length direction's one end and the diapire butt of spout (21), the other end and slider (22) butt.

2. The ball joint detector according to claim 1, wherein a first block (31) for preventing the sliding block (22) from falling is disposed at the opening of the sliding groove (21), and a second block (32) corresponding to the first block (31) is disposed at one end of the sliding block (22) close to the spring (24).

3. The ball joint detector according to claim 2, wherein a rotating groove (41) is formed in an inner wall of the sliding groove (21) abutting against the spring (24), a clamping groove (42) is formed in one end, far away from the spring (24), of the rotating groove (41) and perpendicular to the length direction of the spring, the rotating groove (41) and the clamping groove (42) are upwardly open, a sliding rod (43) is slidably arranged in the rotating groove (41), one end of the sliding rod (43) is rotatably connected with the sliding block (22), the other end of the sliding rod is connected with a shifting block (44), and the shifting block (44) extends upwardly to the outside of the rotating groove (41) and the clamping groove (42).