CN213233807U

CN213233807U - Dragline anchorage device with spherical hinge structure

Info

Publication number: CN213233807U
Application number: CN202021850928.6U
Authority: CN
Inventors: 杨洪全; 任春敬
Original assignee: Tianjin Zhongheng Prestressed Machinery Co ltd
Current assignee: Tianjin Zhongheng Prestressed Machinery Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-18
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to the technical field of building structure, and a ball hinge structure cable anchorage device is disclosed, including anchor cup, pull rod, adapter sleeve and nut, the central axial of adapter sleeve has seted up the counter bore, and the bottom of counter bore is the setting of concave sphere, the pull rod passes the counter bore setting, and the head of pull rod is the setting of convex sphere, anchor cup is connected with the top end screw thread of counter bore, the nut screw thread cup joints and sets up on the pull rod, one side that the nut kept away from the adapter sleeve fixedly connected with first spring, and the first spring cover is established on the pull rod, one side that the nut was kept away from to first spring fixedly connected with the sliding sleeve that slides and cup joints with the pull rod, and the sliding sleeve is connected through the; the pressure regulating mechanism comprises a rectangular groove formed in the inner wall of the sliding sleeve, and a matched clamping block is connected in the rectangular groove in a sliding mode. The utility model discloses effectively avoid the nut on the spherical hinge structure cable ground tackle to take place not hard up to guarantee the stability of being connected between pull rod and the adapter sleeve.

Description

Dragline anchorage device with spherical hinge structure

Technical Field

The utility model relates to a building structure technical field especially relates to a ball hinge structure cable ground tackle.

Background

The connecting sleeve and the pull rod head of the traditional anchor for the membrane structure inhaul cables in venues and the like are in plane contact connection, and the connecting mode can only bear axial force in the using process. When the cable and the membrane structure connecting piece are connected, when the center of the cable is not coincident with the center of the membrane structure connecting point, namely a certain deflection angle exists, the pull rod generates certain bending after the cable is stressed, the pull rod of the anchor device is caused to bear certain additional bending stress in the long-term use process, the normal use of the pull rod is influenced, and the serious bending fracture of the anchor device pull rod can be caused

In the patent with the Chinese patent No. CN201024592Y, a spherical hinge structure guy cable anchorage is disclosed, when in use, the contact surface of a connecting sleeve and a pull rod is processed into a spherical surface which is mutually matched and hinged, the structure of plane connection between the connecting sleeve and the pull rod in the past is changed, and small-angle rotation between the connecting sleeve and the pull rod is realized, so that the generation of additional bending stress of the pull rod caused by the misalignment between the center of the guy cable and the center of the connection point of a membrane structure is avoided, and the normal use of the pull rod is ensured; however, the scheme still has the following defects:

carry out the position through the nut between pull rod and the adapter sleeve and prescribe a limit to, the nut is connected with pull rod threaded connection, but the nut does not possess the locking function of moving, and the nut easily influences the stability of being connected between pull rod and the adapter sleeve because of becoming flexible in the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the nut on the spherical hinge structure cable anchorage device does not have the locking effect of moving among the prior art, easily influences the stability of being connected between pull rod and the adapter sleeve, and the spherical hinge structure cable anchorage device that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ball hinge structure inhaul cable anchorage device comprises an anchor cup, a pull rod, a connecting sleeve and a nut, wherein a counter bore is axially formed in the center of the connecting sleeve, the bottom of the counter bore is arranged in a concave spherical surface mode, the pull rod penetrates through the counter bore, the head of the pull rod is arranged in a convex spherical surface mode, the anchor cup is in threaded connection with the top end of the counter bore, the nut is sleeved on the pull rod in a threaded mode, a first spring is fixedly connected to one side, away from the connecting sleeve, of the nut, the first spring is sleeved on the pull rod, a sliding sleeve in sliding sleeved connection with the pull rod is fixedly connected to one side, away from the nut, of the first spring, and the sliding sleeve;

the pressure regulation and control mechanism is including seting up the rectangle recess on the sliding sleeve inner wall, and sliding connection has the fixture block of matching in the rectangle recess, fixedly connected with second spring between fixture block and the rectangle recess, the fixture block is close to the slide bar that one side fixedly connected with of rectangle recess tank bottom passed the second spring setting, the slide bar runs through the tank bottom of rectangle recess and outwards extends, and the tank bottom sliding connection of slide bar and rectangle recess, set up a plurality of evenly distributed's draw-in groove on the outer rod wall of pull rod, the one end that the slide bar was kept away from to the fixture block sets up with one of them draw-in groove block that corresponds.

Preferably, the inner wall of the sliding sleeve, which is close to the bottom end, is fixedly connected with a guide block, the rod wall of the bottom of the pull rod is provided with a matched guide groove, and the guide block is slidably connected with the guide groove.

Preferably, a matched elastic cushion is fixedly arranged on the edge of one side, close to the connecting sleeve, of the nut.

Preferably, the outer side of the nut is symmetrically and fixedly connected with a rotating rod, and the rod wall of the rotating rod is provided with anti-skid grains.

Preferably, one end of the sliding rod, which is far away from the clamping block, is fixedly connected with a pull ring.

Compared with the prior art, the utility model provides a ball hinge structure cable ground tackle possesses following beneficial effect:

this ball pivot structure cable ground tackle, through setting up the pull rod, the adapter sleeve, the nut, the counter bore, first spring, sliding sleeve and pressure regulation and control mechanism, the nut that the screw thread cup jointed on the rotation pull rod, make things convenient for the adjusting nut position, it is spacing to make it contradict with one side that the adapter sleeve kept away from the counter bore, pressure regulation and control mechanism makes things convenient for the adjusting sliding sleeve position on the pull rod, thereby conveniently control the compression capacity of first spring, the tension of first spring need be overcome when the nut rotates, thereby effectively avoid the nut to take place not hard up, guarantee the stability of being connected between pull rod and the adapter sleeve.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses it is not hard up to effectively avoid the nut on the ball pivot structure cable ground tackle to take place to be connected stability between assurance pull rod and the adapter sleeve.

Drawings

Fig. 1 is a schematic structural view of a ball-and-socket joint structure cable anchor according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises an anchor cup 1, a pull rod 2, a connecting sleeve 3, a nut 4, a counter bore 5, a first spring 6, a sliding sleeve 7, a rectangular groove 8, a clamping block 9, a second spring 10, a sliding rod 11, a clamping groove 12, a guide block 13, a guide groove 14, an elastic pad 15, a rotating rod 16 and a pull ring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a ball-and-socket joint structure cable anchorage device comprises an anchor cup 1, a pull rod 2, a connecting sleeve 3 and a nut 4, wherein a counter bore 5 is axially formed in the center of the connecting sleeve 3, the bottom of the counter bore 5 is arranged in a concave spherical surface, the pull rod 2 penetrates through the counter bore 5, the head of the pull rod 2 is arranged in a convex spherical surface, the anchor cup 1 is in threaded connection with the top end of the counter bore 5, the nut 4 is sleeved on the pull rod 2 in a threaded manner, one side, away from the connecting sleeve 3, of the nut 4 is fixedly connected with a first spring 6, the first spring 6 is sleeved on the pull rod 2, one side, away from the nut 4, of the first spring 6 is fixedly connected with a sliding sleeve 7 in sliding sleeve connection with the pull;

the pressure regulating mechanism comprises a rectangular groove 8 arranged on the inner wall of the sliding sleeve 7, a matched clamping block 9 is connected in the rectangular groove 8 in a sliding manner, a second spring 10 is fixedly connected between the clamping block 9 and the rectangular groove 8, one side, close to the bottom of the rectangular groove 8, of the clamping block 9 is fixedly connected with a sliding rod 11 which penetrates through the second spring 10, the sliding rod 11 penetrates through the bottom of the rectangular groove 8 and extends outwards, the sliding rod 11 is connected with the bottom of the rectangular groove 8 in a sliding manner, a plurality of clamping grooves 12 which are uniformly distributed are formed in the outer rod wall of the pull rod 2, one end, far away from the sliding rod 11, of the clamping block 9 is clamped with one corresponding clamping groove 12, a nut 4 which is in threaded sleeve connection on the pull rod 2 is rotated, the position of the nut 4 is conveniently adjusted, the nut 4 is abutted and limited on one side, far away from the counter bore 5, of the connecting sleeve 3, after the proper position is adjusted, the sliding rod 11 is loosened, the second spring 10 drives the clamping block 9 to reset, the clamping block is clamped with the corresponding clamping groove 12, and the position of the sliding sleeve 7 can be locked, so that the compression amount of the first spring 6 is conveniently controlled, the tension of the first spring 6 needs to be overcome when the nut 4 rotates, the nut 4 is effectively prevented from being loosened, and the stability of connection between the pull rod 2 and the connecting sleeve 3 is ensured.

Fixedly connected with guide block 13 on the inner wall that sliding sleeve 7 is close to the bottom, set up the guide way 14 that matches on the pole wall of pull rod 2 bottom, and guide block 13 and guide way 14 sliding connection make things convenient for sliding sleeve 7 to remove about along pull rod 2 and can not rotate.

One side edge that nut 4 is close to adapter sleeve 3 is fixed mounting along the edge has the elastic cushion 15 of matching, makes things convenient for pull rod 2 to carry out the small-angle deflection.

The outer side of the nut 4 is symmetrically and fixedly connected with a rotating rod 16, and the rod wall of the rotating rod 16 is provided with anti-skid threads, so that the rotation of the nut 4 is conveniently controlled.

One end of the sliding rod 11, which is far away from the clamping block 9, is fixedly connected with a pull ring 17, so that the sliding rod 11 can be conveniently pulled to slide.

The utility model discloses in, the nut 4 that the screw thread cup jointed on the rotation pull rod 2, make things convenient for adjusting nut 4 position, it is spacing to make it contradict with adapter sleeve 3 one side of keeping away from counter bore 5, pulling slide bar 11 drives fixture block 9 and draw-in groove 12 separation, thereby make things convenient for adjusting the position of sliding sleeve 7 on pull rod 2, after adjusting suitable position, loosen slide bar 11, second spring 10 drives fixture block 9 and resets, make its draw-in groove 12 block with corresponding, can lock the position of sliding sleeve 7, thereby conveniently control the compression capacity of first spring 6, the tension of first spring 6 need be overcome when nut 4 rotates, thereby effectively avoid nut 4 to take place not hard up, guarantee the stability of being connected between pull rod 2 and the adapter sleeve 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A ball hinge structure inhaul cable anchorage device comprises an anchorage cup (1), a pull rod (2), a connecting sleeve (3) and a nut (4), it is characterized in that a counter bore (5) is axially arranged at the center of the connecting sleeve (3), the bottom of the counter bore (5) is arranged in a concave spherical surface, the pull rod (2) passes through the counter bore (5), the head of the pull rod (2) is arranged in a convex spherical surface, the anchor cup (1) is in threaded connection with the top end of the counter bore (5), the nut (4) is sleeved on the pull rod (2) in a threaded manner, one side of the nut (4) far away from the connecting sleeve (3) is fixedly connected with a first spring (6), and the first spring (6) is sleeved on the pull rod (2), one side of the first spring (6) far away from the nut (4) is fixedly connected with a sliding sleeve (7) which is sleeved with the pull rod (2) in a sliding way, the sliding sleeve (7) is connected with the pull rod (2) through a pressure regulating mechanism;

pressure regulation and control mechanism is including offering rectangle recess (8) on sliding sleeve (7) inner wall, and sliding connection has the fixture block (9) of matching in rectangle recess (8), fixedly connected with second spring (10) between fixture block (9) and rectangle recess (8), one side fixedly connected with that fixture block (9) are close to rectangle recess (8) tank bottom passes slide bar (11) that second spring (10) set up, slide bar (11) run through the tank bottom of rectangle recess (8) and outwards extend, and the tank bottom sliding connection of slide bar (11) and rectangle recess (8), set up a plurality of evenly distributed's draw-in groove (12) on the outer rod wall of pull rod (2), the one end that slide bar (11) were kept away from in fixture block (9) sets up with one of them draw-in groove (12) block that corresponds.

2. The ball-hinge structure cable anchorage device according to claim 1, wherein a guide block (13) is fixedly connected to the inner wall of the sliding sleeve (7) close to the bottom end, a matched guide groove (14) is formed in the rod wall of the bottom of the pull rod (2), and the guide block (13) is slidably connected with the guide groove (14).

3. A ball-and-socket joint structure cable anchorage as claimed in claim 1, wherein the nut (4) is provided with a matching elastic pad (15) along the edge of the side close to the connecting sleeve (3).

4. The ball-hinge structure cable anchorage device according to claim 1, wherein the outer side of the nut (4) is symmetrically and fixedly connected with a rotating rod (16), and the rod wall of the rotating rod (16) is provided with anti-skid grains.

5. A ball-and-socket joint structure cable anchorage as claimed in claim 1, wherein the end of the slide bar (11) remote from the block (9) is fixedly connected with a pull ring (17).