CN217180272U

CN217180272U - A anchor clamps for glass steel sand inclusion pipe fatigue test

Info

Publication number: CN217180272U
Application number: CN202123336688.5U
Authority: CN
Inventors: 郭孟报; 崔广新; 姜楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-12
Anticipated expiration: 2031-12-27

Abstract

The utility model provides an anchor clamps for glass steel sandpipe fatigue test, it includes two along the centre gripping unit of vertical direction centre gripping in the radial both sides of pipeline, the centre gripping unit includes backup pad and centre gripping in the fixture of pipeline, one of them the backup pad supports in ground, and another piece is connected external load and is applyed the device, fixture sets up respectively in the arc board of backup pad and two sets of drive assembly who is used for supporting and orders about the arc board towards the pipe movement including connecting in the supporting shoe of backup pad, two, one side that supporting shoe and arc board deviate from the contact pipeline is the cambered surface, drive assembly's drive end rotates and connects in the arc board. The utility model discloses it is lower to have the commonality that improves anchor clamps among the prior art, leads to the effect of the higher problem of anchor clamps cost of manufacture.

Description

Clamp for fatigue test of glass fiber reinforced plastic sand inclusion pipe

Technical Field

The utility model relates to a syringe needle technical field especially relates to an anchor clamps for glass steel sandpipe fatigue test.

Background

The glass fiber reinforced plastic sand inclusion pipe is a novel composite pipe which is made of resin as a base material and glass fiber and quartz sand as reinforcing materials, and is widely applied to the chemical industry and drainage engineering due to light weight, high strength and large conveying flow. Generally, when the pipeline is used for drainage, underground pipe arrangement is adopted; correspondingly, before pipe distribution, various tests such as fatigue and compression resistance need to be carried out on the pipeline, so that the pipeline can still be normally used when being stressed by soil bodies and vehicles for a long time.

The utility model discloses a fixture for a fatigue test of a glass fiber reinforced plastic sand inclusion pipe, which is published in the Chinese utility model with the publication number of CN213689179U, and comprises an upper limit frame, a lower limit frame, a cushion block, a bearing plate and a bottom plate; the upper end of the upper limiting frame is connected with the bearing plate, and the lower end of the upper limiting frame fixes the upper part of the test piece; a cushion block is arranged on the bottom plate, the test piece is vertically placed on the cushion block, and the lower part of the test piece is fixed through a lower limiting frame; the external load applying device is connected with the supporting plate, and the acting force is transmitted to the test piece through the supporting plate and the upper limiting frame.

In view of the above-mentioned related technologies, it can be known from the specification and the drawings of the specification that when pipes with different diameters are tested, the corresponding cushion blocks and the arc clamping plates need to be replaced, so that the clamp has low universality, and the clamp manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides an anchor clamps for glass steel presss from both sides sand pipe fatigue test, it can improve among the prior art anchor clamps the commonality lower, leads to the higher problem of anchor clamps cost of manufacture.

According to the utility model discloses an embodiment, an anchor clamps for glass steel sandpipe fatigue test, it includes two along the vertical direction centre gripping in the centre gripping unit of the radial both sides of pipeline, the centre gripping unit includes backup pad and centre gripping in the fixture of pipeline, one of them the backup pad supports in ground, and another piece is connected external load and is applyed the device, fixture sets up respectively in the arc board of backup pad and two sets of drive assembly who is used for supporting and orders about the arc board towards the pipe movement including connecting in the supporting shoe of backup pad, two, one side that supporting shoe and arc board deviate from the contact pipeline is the cambered surface, drive assembly's drive end rotates and connects in the arc board.

Preferably, two ends of the supporting block are provided with two lug plates, the two lug plates are respectively arranged on two sides of the supporting block, and the lug plates are provided with connecting shafts which are rotatably connected to the arc plates.

Preferably, drive assembly includes that a plurality of synchronous orders about the driving piece that the arc board removed towards the pipeline and a plurality of guides that are used for supporting the arc board, the driving piece base rotates to be connected in the backup pad, and the drive end rotates to be connected in the arc board, the base of guide is fixed in the backup pad, and direction end rotates and sliding connection in arc board, and is a plurality of driving piece and a plurality of the guide sets up along pipeline axial interval, and is a plurality of the driving piece radially supports in the arc board middle-end along the pipeline, and is a plurality of the guide radially supports in the both ends of arc board along the pipeline.

Preferably, the driving part comprises a base fixed on the supporting plate, a driving part with a cylinder body rotatably connected to the base, and a driving seat fixed at the middle end of the arc plate, and the driving end of the driving part is rotatably connected to the driving seat.

Preferably, the driving direction of the driving member is an oblique direction, and the direction passes through the axis of the pipe.

Preferably, the guide piece includes that loop bar, one end sliding connection that trepanning was seted up on vertical setting and top are in the downthehole slide bar of loop bar cover and rotate the guide holder of connecting in the slide bar other end, the bottom mounting of loop bar is in the backup pad, guide holder sliding connection is in the arc board.

Preferably, the arc-direction side of the arc plate is provided with a buffer layer.

Preferably, be close to ground the both ends of supporting shoe all are provided with auxiliary stay mechanism, auxiliary stay mechanism includes that one end is fixed in backup pad and the other end sets up the screw rod cover of screw, one end threaded connection in the screw rod of screw rod cover, rotate and connect in the auxiliary stay board of the screw rod other end and a plurality of steel balls of rotating connection in the auxiliary stay board, one side of auxiliary stay board is the cambered surface and supports in the tip of pipeline, just the steel ball rotates the cambered surface side of connecting in the auxiliary stay board.

To sum up, the utility model discloses a following at least one useful technological effect:

support the pipeline through setting up the supporting shoe, and all set up arc board and driver part in the both sides of supporting shoe, move with driving the arc board through driver part, thereby utilize the combined action of supporting shoe and two arc boards to support the pipeline, utilize the arc board can be for supporting shoe moving means, the diameter of enclosing the circle of establishing the formation between four arc boards and two supporting shoes changes relatively, and then support the pipeline of corresponding diameter, the centre gripping, thereby it is lower to improve the commonality of anchor clamps among the prior art, lead to the higher problem of anchor clamps cost of manufacture.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a view taken along the direction A in FIG. 1, which mainly shows the clamping state of two clamping units;

fig. 3 is a schematic view of the overall structure of the auxiliary supporting mechanism of the present invention.

In the above drawings: 1. a pipeline; 2. a support plate; 3. a support block; 31. an ear plate; 32. a connecting shaft; 4. an arc plate; 41. a buffer layer; 5. a drive assembly; 51. a drive member; 511. a base; 512. a drive member; 513. a driving seat; 52. a guide member; 521. a loop bar; 522. a slide bar; 523. a guide seat; 6. a screw sleeve; 7. a screw; 8. an auxiliary support plate; 9. and (5) steel balls.

Detailed Description

The present invention will be further described with reference to fig. 1-3.

Referring to fig. 1, the embodiment of the utility model provides a fixture for glass fiber reinforced plastic sand inclusion pipe fatigue test, including two clamping units, the clamping unit includes backup pad 2 and fixture, two backup pads 2 distribute in the vertical direction, and wherein a backup pad 2 supports in ground, two fixtures set up between two backup pads 2; during the use, with pipeline 1 centre gripping between two fixture to with external load applying device connect in the backup pad 2 of upside, can exert pressure through external load applying device circulation many times, accomplish the fatigue test experiment.

Referring to fig. 1 and 2, the clamping mechanism comprises a supporting block 3, two arc plates 4 and two sets of driving components 5; the supporting block 3 is connected to the supporting plate 2, and one side of the supporting block, which is far away from the supporting plate 2, is an arc surface so as to place the pipeline 1 and relatively prevent the pipeline 1 from moving; along the radial direction of the pipeline 1, two groups of driving components 5 are respectively arranged at two sides of the supporting block 3, and the driving components 5 are connected to the supporting plate 2; along pipeline 1 radially, two arc boards 4 set up respectively in the both sides of supporting shoe 3, and arc board 4 rotates to be connected in drive end of drive assembly 5, and its one side that deviates from drive assembly 5 is the cambered surface to driven and take place to remove by drive assembly 5, realize the support to pipeline 1 of different diameters, the commonality of anchor clamps is lower among the improvement prior art, leads to the higher problem of anchor clamps cost of manufacture.

Specifically, along pipeline 1 axial, the both ends of supporting shoe 3 all are provided with two otic placodes 31, and two otic placodes 31 are arranged in supporting shoe 3 both sides respectively, and otic placode 31 rotates and is connected with connecting axle 32.

Along pipeline 1 radially, the one end of arc board 4 is rotated and is connected in connecting axle 32 to realize the connectivity between supporting shoe 3 and the arc board 4 through connecting axle 32, thereby improve the security when supporting, the centre gripping pipeline 1. Be provided with buffer layer 41 in the arc of arc board 4 to the side, buffer layer 41 can adopt materials such as rubber to make to when carrying out the centre gripping to pipeline 1, receive reaction force and deformation, thereby increase area of contact, improve the support effect to the pipeline 1 of different diameters.

The drive assembly 5 comprises a plurality of drive members 51 and a plurality of guide members 52, each of which is axially spaced along the pipeline 1; and along pipeline 1 radially, driving piece 51 is connected in the middle-end of arc board 4, and a plurality of guides 52 support respectively in the both ends of arc board 4 to when driving piece 51 drive arc board 4 and remove, guarantee the support effect that forms to arc board 4 through a plurality of guides 52 best.

The driving member 51 comprises a base 511, a driving part 512 and a driving seat 513; the base 511 is fixed to the support plate 2; the driving member 512 may be a pneumatic or hydraulic cylinder, as known to those skilled in the art, and may be a plurality of pneumatic cylinders driven in synchronization by self-adjusting synchronization valves, hydraulic synchronization motors, or digital servo synchronization, as known to those skilled in the art, with the cylinders being rotationally coupled to the base 511. The driving seat 513 is fixed at the middle end of the arc plate 4 and is rotatably connected to the driving end of the driving part 512, so that when the driving part 512 drives the arc plate 4 to move, the driving part 512 and the driving seat 513 rotate relative to each other adaptively, and further the arc plate 4 can achieve the best supporting effect on the pipeline 1.

In the embodiment of the present invention, the driving direction of the driving component 512 is the inclined direction, and the axial lead of the pipeline 1 is passed through by this direction, i.e. the driving direction of the upper and lower driving components 512 on the same vertical plane forms the cross line of the "X" shape, so that the stability when the pipeline 1 is supported is the best.

The guide 52 comprises a loop bar 521, a slide bar 522 and a guide seat 523; the loop bar 521 is vertically arranged, the bottom end of the loop bar is fixed on the support plate 2, and the top end of the loop bar is provided with a loop hole; one end of the sliding rod 522 is slidably connected in the sleeve hole of the sleeve rod 521, and the other end thereof is rotatably connected to the guide seat 523; the guide holder 523 is slidably attached to the arc plate 4. When the arc plate 4 is driven to move by the driving member 512, the sliding rod 522 slides adaptively relative to the loop bar 521 and rotates relative to the guide holder 523, and the guide holder 523 slides adaptively in the sliding slot formed on the arc plate 4 to maintain the supporting effect on the arc plate 4.

Referring to fig. 1 and 3, along the axial direction of the pipeline 1, two ends of the supporting block 3 close to the ground are provided with auxiliary supporting mechanisms, and each auxiliary supporting mechanism comprises a screw rod sleeve 6, a screw rod 7, an auxiliary supporting plate 8 and a plurality of steel balls 9; the screw sleeve 6 is vertically arranged, and the top end of the screw sleeve is provided with a screw hole; one end of the screw 7 is in threaded connection with a screw hole of the screw sleeve 6, and the screw 7 can vertically move relative to the screw sleeve 6 by rotating the screw 7; one end of the auxiliary supporting plate 8 is fixed at the top end of the screw 7, and the other side of the auxiliary supporting plate is an arc surface; the steel ball 9 is rotatably connected to the arc surface side of the auxiliary support plate 8.

When the pipeline 1 is placed on the clamping unit close to the ground, the auxiliary supporting plate 8 can be higher than the supporting block 3 in a manner of rotating the screw 7, so that the pipeline 1 is supported by the auxiliary supporting mechanism, and at the moment, the steel balls 9 reduce friction, so that the pipeline 1 can be pushed and axially move along the pipeline 1, and the position of the pipeline 1 can be conveniently adjusted; in the process, the pipeline 1 can be guided in an auxiliary mode through the arc plates 4, and the pipeline 1 is prevented from sliding off the auxiliary supporting mechanism.

It should be noted that when the external load applying device is installed, the two support plates 2 may be connected by screws, cylinders, etc. known to those skilled in the art to ensure the vertical relative positions of the two clamping units and increase the stability.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a anchor clamps for glass steel sandpipe fatigue test, includes two along the vertical direction centre gripping in the radial clamping unit of both sides of pipeline (1), clamping unit includes backup pad (2) and centre gripping in the fixture of pipeline (1), one of them backup pad (2) support in ground, and another connects external load and applys device, its characterized in that: fixture sets up arc board (4) and two sets of drive assembly (5) that are used for supporting and order about arc board (4) towards pipeline (1) removal in the arc board (4) of supporting shoe (3) both sides respectively including connecting in supporting shoe (3) of backup pad (2), two, one side that supporting shoe (3) and arc board (4) deviate from contact pipeline (1) is the cambered surface, the drive end rotation of drive assembly (5) is connected in arc board (4).

2. The clamp for the fatigue test of the glass fiber reinforced plastic mortar pipe according to claim 1, wherein: two ends of the supporting block (3) are provided with two lug plates (31), the two lug plates (31) are respectively arranged on two sides of the supporting block (3), and the lug plates (31) are provided with connecting shafts (32) rotatably connected to the arc plates (4).

3. The clamp for the fatigue test of the glass fiber reinforced plastic mortar pipe according to claim 1, wherein: drive assembly (5) include a plurality of synchronous driving parts (51) that order about arc board (4) and a plurality of guide (52) that are used for supporting arc board (4) and remove towards pipeline (1), driving parts (51) base rotates to be connected in backup pad (2), and the drive end rotates to be connected in arc board (4), the base of guide (52) is fixed in backup pad (2), and the leading end rotates and sliding connection in arc board (4), and is a plurality of driving parts (51) and a plurality of guide (52) set up along pipeline (1) axial interval, and are a plurality of drive parts (51) radially support in arc board (4) middle-end along pipeline (1), and are a plurality of guide (52) radially support in the both ends of arc board (4) along pipeline (1).

4. The clamp for the fatigue test of the glass fiber reinforced plastic sand inclusion pipe according to claim 3, characterized in that: the driving piece (51) comprises a base (511) fixed on the supporting plate (2), a driving part (512) with a cylinder body rotatably connected to the base (511), and a driving seat (513) fixed at the middle end of the arc plate (4), wherein the driving end of the driving part (512) is rotatably connected to the driving seat (513).

5. The clamp for the fatigue test of the glass fiber reinforced plastic mortar pipe according to claim 4, wherein: the driving direction of the driving part (512) is an inclined direction, and the direction passes through the axial lead of the pipeline (1).

6. The clamp for the fatigue test of the glass fiber reinforced plastic mortar pipe according to claim 3, wherein: the guide piece (52) comprises a vertically arranged loop bar (521) with a loop hole formed in the top end, a sliding rod (522) with one end connected to the loop hole of the loop bar (521) in a sliding manner, and a guide seat (523) connected to the other end of the sliding rod (522) in a rotating manner, the bottom end of the loop bar (521) is fixed on the support plate (2), and the guide seat (523) is connected to the arc plate (4) in a sliding manner.

7. The clamp for the fatigue test of the glass fiber reinforced plastic mortar pipe according to claim 1, wherein: and a buffer layer (41) is arranged on the arc-direction side of the arc plate (4).

8. The clamp for the fatigue test of the glass fiber reinforced plastic mortar pipe according to claim 1, wherein: be close to ground the both ends of supporting shoe (3) all are provided with auxiliary stay mechanism, auxiliary stay mechanism includes that one end is fixed in backup pad (2) and the other end sets up screw rod cover (6) of screw, one end screw thread connection in screw rod (7) of screw rod cover (6), rotate and connect in auxiliary stay board (8) and a plurality of rotation of screw rod (7) the other end and connect in steel ball (9) of auxiliary stay board (8), one side of auxiliary stay board (8) is the cambered surface and supports in the tip of pipeline (1), just steel ball (9) rotate to be connected in the cambered surface side of auxiliary stay board (8).