CN212203584U

CN212203584U - Hook type lead screw plugging fixture

Info

Publication number: CN212203584U
Application number: CN202020754020.9U
Authority: CN
Inventors: 洪啸虎; 李唐; 张亮
Original assignee: Army Military Transportation University of PLA Zhenjiang
Current assignee: Army Military Transportation University of PLA Zhenjiang
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-22
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a pipeline maintenance technical field, in particular to embrace hook formula lead screw leaking stoppage fixture. A clasp type lead screw leaking stoppage fixture comprises a transverse plate, a clasp, a compression lead screw, a pressure-bearing steel plate and a semicircular sealing plate; the two ends of the transverse plate are respectively connected with a holding hook through shafts, the holding hook comprises a connecting part connected with the transverse plate, and the tail end of the connecting part is connected with a holding hook part; the compression screw penetrates through the transverse plate and is rotationally connected with the pressure-bearing steel plate; a clamping hook is arranged at the opening at the upper end of the semicircular sealing plate and matched with the clasping hook part. The utility model discloses the beneficial effect who has as follows: the compressing screw rod is rotated, the clamping hook is clamped on the clamping hook at the opening at the upper end of the semicircular sealing plate, the semicircular sealing plate is pressed through the clamping hook, and the semicircular sealing plate clamping pipeline is driven to block leakage.

Description

Hook type lead screw plugging fixture

Technical Field

The utility model relates to a pipeline maintenance technical field, in particular to embrace hook formula lead screw leaking stoppage fixture.

Background

At present, a common holding clamp in the market is composed of two semicircular arcs, two ends of each semicircular arc are fixedly connected through two bolts respectively, and the bolts at the two ends need to be screwed down respectively during use. The clamp has two defects: firstly, the maintenance operation consumes much time; secondly, when the bolts at the two ends are screwed, the torque moment applied to the two ends of the bolts is difficult to be consistent, so that the stress generated by each bolt is uneven, the fixture is deformed, the fixture is not tightly attached to the pipeline, and the plugging quality is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the existing clamp has low installation speed and uneven stress at two ends of the clamp. To this technical problem, the utility model aims at designing a simple to operate, it is even to embrace the atress of card both ends, and the reliable hook formula lead screw leaking stoppage fixture of embracing of leaking stoppage. Based on this purpose, the utility model discloses a technical scheme as follows:

a clasp type lead screw leaking stoppage fixture comprises a transverse plate, a clasp, a compression lead screw, a pressure-bearing steel plate and a semicircular sealing plate; the two ends of the transverse plate are respectively connected with a holding hook through shafts, the holding hook comprises a connecting part connected with the transverse plate, and the tail end of the connecting part is connected with a holding hook part; the compression screw penetrates through the transverse plate and is rotatably connected with the pressure-bearing steel plate; and a clamping hook is arranged at an opening at the upper end of the semicircular sealing plate and matched with the clasping hook part.

Furthermore, the inner surface of the pressure-bearing steel plate is provided with a buffer rubber pad, and the inner surface of the bottom end of the semicircular sealing plate is provided with a sealing rubber pad.

Furthermore, the transverse plate and the holding hook are connected through a hinge.

Furthermore, a positioning pin is arranged at the position where the clamping hook is matched with the clasping hook part, and the positioning pin penetrates through the clasping hook part and the clamping hook.

Furthermore, a groove in a shape like a Chinese character 'tu' is formed in the pressure-bearing steel plate, and a jacking pin matched with the groove is arranged at the tail end of the compression screw rod.

Furthermore, a clamping groove is formed in the hook holding portion, a clamping column is arranged on the clamping hook, and the clamping column is clamped in the clamping groove.

Furthermore, the compressing screw rod is connected with a handrail, and the handrail and the compressing screw rod are movably connected.

Further, still include locking adjuster, locking adjuster is located the top of diaphragm is located the cover is located compress tightly on the lead screw.

Furthermore, the compressing screw rod is provided with a through hole, and the handrail is of a T-shaped structure and penetrates through the through hole.

Furthermore, a chamfer is arranged at the lower end of the clamping hook and an adjacent edge of the clamping hook part, and a chamfer is also arranged at the upper end of the clamping hook part and an adjacent edge of the clamping hook.

Compared with the prior art, the utility model discloses the beneficial effect who has as follows: the compressing screw is rotated to compress the screw, the hook is clamped on the clamping hook at the opening at the upper end of the semicircular sealing plate, the semicircular sealing plate is pressed through the hook, and the semicircular sealing plate clamping pipeline is driven to block leakage.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the present invention;

fig. 2 is a front view of a second embodiment of the present invention;

fig. 3 is a schematic structural view of a second embodiment of the present invention;

fig. 4 is a front view of a second embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a connection mode of a compression screw rod and a pressure-bearing steel plate;

in the figure, 1-transverse plate, 2-clasp hook, 21-connecting part, 22-clasp hook part, 23-clamp groove, 3-compression screw rod, 31-top pin, 32-handrail, 4-bearing steel plate, 41-cushion rubber pad, 42-groove, 5-semicircular sealing plate, 51-clasp hook, 52-seal rubber pad, 53-clamp column, 6-hinge, 7-positioning pin and 8-anti-loose adjuster.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Example 1

As shown in fig. 1 and 2, the clasp type lead screw plugging fixture comprises a transverse plate 1, a clasp 2, a compression lead screw 3, a pressure-bearing steel plate 4 and a semicircular sealing plate 5. The two ends of the transverse plate 1 are respectively connected with the clasping hook 2 through hinges 6, the clasping hook 2 comprises a connecting part 21 connected with the transverse plate, and the tail end of the connecting part 21 is connected with a clasping hook part 22. The compression screw rod 3 penetrates through the transverse plate 1 and the pressure-bearing steel plate 4 to be connected in a rotating mode; a clamping hook 51 is arranged at the opening at the upper end of the semicircular sealing plate 5, and the clamping hook 51 is matched with the clasping hook part 22. The hook 51 and the clasping portion 22 cooperate to form a closed clasp to clamp the pipeline.

Specifically, in order to increase the clamping effect, the inner surface of the pressure-bearing steel plate 4 is provided with a cushion rubber pad 41 for slowly releasing the collision force generated by the collision between the pipeline and the pressure-bearing steel plate, and the inner surface of the bottom end of the semicircular sealing plate 5 is provided with a sealing rubber pad 52 for blocking a leakage point.

In order to increase the matching degree of the hook 51 and the hook portion 22, the hook portion 22 is provided with a clamping groove 23, the hook 51 is provided with a clamping column 53, and the clamping column 53 is clamped in the clamping groove 23. The positioning pin 7 is arranged at the matched position of the hook 51 and the holding hook part 22, the positioning pin 7 is a claw bolt, and the positioning pin 7 penetrates through the holding hook part 22 and the hook 51 to prevent the hook 52 and the holding hook part 22 from being disengaged.

The locating pin 7 is detachably connected with the clasping portion 22 and the clamping hook 51, the clamping pin 7 is of a T-shaped structure, and when the clamping pin applies force to the compression screw below the pipeline during operation, the clamping pin 7 penetrates from the clasping portion 22 and penetrates out of the clamping hook 51. When the clasp screw rod plugging fixture is not used, the clamping pin 7 penetrates through the clamping hook 51 and penetrates out of the clasp part 22.

Specifically, the pressure-bearing steel plate 4 is provided with a groove 42 in a shape like a Chinese character 'tu', and the tail end of the compression screw rod 3 is provided with a knock pin 31 matched with the groove 42. When a force is applied to the hold-down screw 3, the pressure-bearing steel plate 4 remains stationary, and the knock pin 31 rotates in the groove 42.

Specifically, for the convenience of force application and the operability without any tool, the pressing screw rod 3 is connected with the handle 32, and the pressing screw rod 3 can be rotated by holding the handle 32 with hands. The handrail 32 is movably connected with the pressing screw rod 3.

Specifically, in order to prevent the pipelines from vibrating and the threads are disengaged, a locking adjuster 8 is arranged above the transverse plate 1, and the structure of the locking adjuster 8 is similar to or identical to that of the shared bicycle cushion height adjuster.

In order to facilitate the engagement between the hook 51 and the hook portion 22, a chamfer is provided at an edge of the lower end of the hook 51 adjacent to the hook portion 22, and a chamfer is also provided at an edge of the upper end of the hook portion 22 adjacent to the hook 51.

In order to adapt to pipelines with different diameters, the semicircular sealing plates with different diameters can be replaced to match the pipelines when in use. Compare the leaking stoppage instrument of traditional chain formula, the utility model discloses a steel sheet carries out application of force parcel pipeline, and the atress is more even.

The working process of the utility model is as follows:

when in use, the semicircular sealing plate 5 is sleeved outside the pipeline; the assembled transverse plate 1, the compression screw rod 3, the pressure-bearing steel plate 4 and the clasps 2 are sleeved from one side of the pipeline, the sealing rubber pad 52 is rotated to be opposite to the damaged position of the pipeline, then the opening and closing positions of the two clasps 2 are adjusted, finally the clasps 22 of the clasps 2 are clamped on the hooks 51 of the semicircular sealing plate 5, and the bayonet pins 7 penetrate through the hooks 51 and the clasps 22; the lead screw handrail 32 is held by hand to rotate the lead screw 3, so that the clasping portion 22 is clamped on the hook 51. When the operation is finished, firstly taking down the clamping pin 7, then reversely rotating and pressing the screw rod 4, and loosening the clasps and the clamping hooks 51; and finally, respectively taking down the assembly consisting of the sealing plate 5, the transverse plate 1, the compression screw rod 3, the pressure-bearing steel plate 4 and the clasping hook 2.

Example 2

Different from the embodiment 1, the handrail 32 in this embodiment is a "T" shaped structure, and is disposed to penetrate through the through hole of the hold-down screw. The present embodiment is abbreviated or not written in the same place as embodiment 1.

As shown in fig. 3 and 4, the clasp type lead screw plugging fixture comprises a transverse plate 1, a clasp 2, a compression lead screw 3, a pressure-bearing steel plate 4 and a semicircular sealing plate 5. The two ends of the transverse plate 1 are respectively connected with the clasping hook 2 through hinges 6, the clasping hook 2 comprises a connecting part 21 connected with the transverse plate, and the tail end of the connecting part 21 is connected with a clasping hook part 22. The compression screw rod 3 penetrates through the transverse plate 1 and is rotatably connected with the pressure-bearing steel plate 4, and a buffer rubber pad 41 is arranged on the inner surface of the pressure-bearing steel plate 4; the inner surface of the bottom end of the semicircular sealing plate 5 is provided with a sealing rubber pad, the opening at the upper end of the semicircular sealing plate 5 is provided with a clamping hook 51, and the clamping hook 51 is matched with the clasping hook part 22. The hook 51 and the clasping portion 22 cooperate to form a closed clasp to clamp the pipeline.

When the space where the pipeline is located is narrow and inconvenient for applying force, the T-shaped handrail 32 penetrates through the through hole in the pressing wire to be connected to the pressing screw rod 3, and the handrail 32 is rotated to apply force to the pressing screw rod 3.

The working process of the utility model is as follows:

when in use, the semicircular sealing plate 5 is sleeved outside the pipeline; the assembled transverse plate 1, the compression screw rod 3, the pressure-bearing steel plate 4 and the clasps 2 are sleeved from one side of the pipeline, the sealing rubber pad 52 is rotated to be opposite to the damaged position of the pipeline, then the opening and closing positions of the two clasps 2 are adjusted, finally the clasps 22 of the clasps 2 are clamped on the hooks 51 of the semicircular sealing plate 5, and the bayonet pins 7 penetrate through the hooks 51 and the clasps 22; the lead screw handrail 32 is held by hand to rotate the lead screw 3, so that the clasping portion 22 is clamped on the hook 51. After the use is finished, firstly taking down the clamping pin 7, then reversely rotating and pressing the screw rod 4, and loosening the clasps and the clamping hooks 51; the armrest 31 is removed in the direction of the arrow in fig. 4; and finally, respectively taking down the assembly consisting of the sealing plate 5, the transverse plate 1, the compression screw rod 3, the pressure-bearing steel plate 4 and the clasping hook 2.

The utility model is suitable for a leak source is at the pipeline in top, and operating personnel follows the condition of pipeline below application of force.

Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.

Claims

1. The utility model provides a hold hook formula lead screw leaking stoppage fixture which characterized in that: comprises a transverse plate (1), a clasp hook (2), a compression screw rod (3), a pressure-bearing steel plate (4) and a semicircular sealing plate (5); two ends of the transverse plate (1) are respectively connected with a holding hook (2) through shafts, the holding hook (2) comprises a connecting part (21) connected with the transverse plate, and the tail end of the connecting part (21) is connected with a holding hook part (22); the compression screw rod (3) penetrates through the transverse plate (1) and is rotatably connected with the pressure-bearing steel plate (4); a clamping hook (51) is arranged at an opening at the upper end of the semicircular sealing plate (5), and the clamping hook (51) is matched with the clasping portion (22).

2. The clasp lead screw plugging fixture according to claim 1, wherein: the inner surface of the pressure-bearing steel plate (4) is provided with a buffer rubber pad (41), and the inner surface of the bottom end of the semicircular sealing plate (5) is provided with a sealing rubber pad (52).

3. The clasp lead screw plugging fixture according to claim 1, wherein: the transverse plate (1) is connected with the holding hook (2) through a hinge (6).

4. The clasp lead screw plugging fixture according to claim 1, wherein: the hook (51) and the hook holding part (22) are matched with each other, a positioning pin (7) is arranged at the position, and the positioning pin (7) penetrates through the hook holding part (22) and the hook (51).

5. The clasp lead screw plugging fixture according to claim 1, wherein: the pressure-bearing steel plate (4) is provided with a convex groove (42), and the tail end of the compression screw rod (3) is provided with a knock pin (31) matched with the groove (42).

6. The clasp lead screw plugging fixture according to claim 1, wherein: the clamping groove (23) is formed in the hook holding portion (22), the clamping column (53) is arranged on the clamping hook (51), and the clamping column (53) is clamped in the clamping groove (23).

7. The clasp lead screw plugging fixture according to claim 1, wherein: the pressing screw rod (3) is connected with a handrail (32), and the handrail (32) is movably connected with the pressing screw rod (3).

8. The clasp lead screw plugging fixture according to claim 7, wherein: the pressing screw rod (3) is provided with a through hole, and the handrail (32) is of a T-shaped structure and penetrates through the through hole.

9. The clasp lead screw plugging fixture according to claim 1, wherein: still include locking adjuster (8), locking adjuster is located the top of diaphragm (1) is located the cover is located compress tightly on lead screw (3).

10. The clasp lead screw plugging fixture according to claim 1, wherein: the lower end of the clamping hook (51) and an adjacent ridge of the clamping hook part (22) are provided with chamfers, and the upper end of the clamping hook part (22) and an adjacent ridge of the clamping hook (51) are also provided with chamfers.