CN215659889U

CN215659889U - U-shaped pipeline clamp for air tightness detection

Info

Publication number: CN215659889U
Application number: CN202122233412.8U
Authority: CN
Inventors: 姚月进; 孙立全
Original assignee: Tianjin Oulu Measurement And Control Technology Co ltd
Current assignee: Tianjin Oulu Measurement And Control Technology Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-28
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a U-shaped pipeline clamp for air tightness detection, which belongs to the technical field of detection equipment and comprises the following components: the positioning machine frame is installed on the air tightness detection platform, and the closed end clamping mechanism, the open end clamping mechanism, the middle section clamping mechanism and the auxiliary clamping mechanism for fixing the U-shaped pipeline are installed on the positioning machine frame. The utility model provides a U-shaped pipeline clamp for air tightness detection, which effectively limits a U-shaped pipeline through seven limit points at four action positions, and a closed end clamping mechanism, an open end clamping mechanism, a middle section clamping mechanism and an auxiliary clamping mechanism can be finely adjusted to be suitable for clamping and fixing workpieces with similar sizes.

Description

U-shaped pipeline clamp for air tightness detection

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a U-shaped pipeline clamp for air tightness detection.

Background

When carrying out the gas tightness to the pipeline and examining, for convenient operation, the gas tightness examines and detects treating on the bench and need incline to place, and the anchor clamps that current gas tightness detected, fixed limit point is single, takes place the drunkenness easily in the testing process, and the unable effectual piece that detects of treating is fixed, especially U-shaped pipeline, because the shape is complicated, hardly carries out spacing fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that an existing clamp for air tightness detection is single in fixed limit point, easy to shift in the detection process and incapable of effectively fixing a to-be-detected piece, particularly a U-shaped pipeline, and is difficult to limit and fix due to complex shape.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a U-shaped pipeline clamp for airtightness detection, comprising: the positioning machine frame is installed on the air tightness detection platform, and the closed end clamping mechanism, the open end clamping mechanism, the middle section clamping mechanism and the auxiliary clamping mechanism for fixing the U-shaped pipeline are installed on the positioning machine frame.

Furthermore, a plurality of connecting plates are arranged on the positioning rack, through holes are formed in the connecting plates, and bolts penetrate through the through holes to install the positioning rack on the air tightness detection platform.

Further, the closed end clamping mechanism includes: the positioning device and the clamping device are arranged on the positioning frame, and the positioning device and the clamping device are matched for use to clamp and fix the closed end of the U-shaped pipeline.

Further, the positioning device includes: support column, L shape connecting plate, adjusting connection board, first end adjusting bolt, L shape loading board and second end adjusting bolt, the support column is installed perpendicularly in the locating rack, two L shape connecting plate end one ends are all articulated through pivot and support column upper end, two L shape connecting plates pass through adjusting connection board fixed connection, it has the screw thread to pass through to open on the adjusting connection board, first end adjusting bolt passes the screw thread and realizes adjusting through cooperating with the setting at support column upper end bellying, the L shape connecting plate other end is articulated with L shape loading board one end, be provided with bearing pipe body end recess on the L shape loading board, the recess is used with clamping device cooperation to press from both sides the fastening to the U-shaped pipeline blind end and is fixed, it has the screw thread to pass through to open on the support column, second end adjusting bolt passes support column upper end screw thread through-hole and L shape loading board contact support.

Further, the clamping device includes: first manual active grab, arc clamp plate and supporting baseplate, first manual active grab passes through the support mounting in the location frame, and first manual active grab's output is provided with the arc clamp plate, and the arc clamp plate lower extreme is provided with the opening, and the supporting baseplate is installed in the frame of location, and the supporting baseplate is arranged in arc clamp plate lower extreme end opening and is spacing to the arc clamp plate, and the arc clamp plate uses with L shape loading board upper end recess cooperation.

Further, the open-end clamping mechanism includes: the upper limiting column penetrates through the L-shaped open end support and the movable plate to limit the upper part of the open end of the U-shaped pipeline, a plurality of thread through holes are formed in the upper limiting column, and the open end positioning bolt penetrates through the L-shaped open end support and is matched with the thread through holes in the upper limiting column to be limited.

Further, the mid-section clamping mechanism comprises: the positioning machine frame is provided with a middle cross beam, the middle cross beam is provided with the second manual quick clamp, one ends of the two middle driving connecting rods are hinged to the middle cross beam, the other ends of the middle driving connecting rods are hinged to the middle pressing connecting rods, the other ends of the middle pressing connecting rods are provided with middle arc-shaped grooves, the middle arc-shaped grooves are used for pressing the pipe body, the two middle driving connecting rods are fixedly connected through the middle connecting pressing plate, and the second manual quick clamp is matched with the middle connecting pressing plate for use.

Further, the auxiliary clamping mechanism includes: the positioning machine frame is provided with a third manual quick clamp, one end of the auxiliary L-shaped support is hinged to the positioning machine frame, the other end of the auxiliary L-shaped support is provided with a sliding groove, the arc-shaped section limiting plate is arranged in the sliding groove and is compressed through the third manual quick clamp, and the lower end of the arc-shaped section limiting plate is provided with an arc-shaped face used for being matched with a limiting end.

The utility model has the advantages that: the utility model provides a U-shaped pipeline clamp for air tightness detection, which effectively limits a U-shaped pipeline through seven limit points at four action positions, and a closed end clamping mechanism, an open end clamping mechanism, a middle section clamping mechanism and an auxiliary clamping mechanism can be finely adjusted to be suitable for clamping and fixing workpieces with similar sizes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a closed end clamping mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;

in the figure: the clamping device comprises a positioning rack 1, a connecting plate 11, a through hole 12, a closed end clamping mechanism 2, a positioning device 21, a supporting column 211, an L-shaped connecting plate 212, an adjusting connecting plate 213, a first end adjusting bolt 214, an L-shaped bearing plate 215, a second end adjusting bolt 216, a clamping device 22, a first manual quick clamp 221, an arc-shaped pressing plate 222, a supporting bottom plate 223, an open end clamping mechanism 3, an L-shaped open end support 31, a moving plate 32, an L-shaped carriage 33, an upper limiting column 34, an open end threaded rod 35, an open end positioning bolt 36, an intermediate section clamping mechanism 4, a second manual quick clamp 41, an intermediate driving connecting rod 42, an intermediate pressing connecting rod 43, an intermediate connecting pressing plate 44, an intermediate cross beam 45, an auxiliary clamping mechanism 5, a third manual quick clamp 51, an auxiliary L-shaped support 52 and an arc-shaped section limiting plate 53.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the attached tables, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: a U-shaped pipeline clamp for airtightness detection, comprising: the positioning device comprises a positioning rack 1, a closed end clamping mechanism 2, an open end clamping mechanism 3, a middle section clamping mechanism 4 and an auxiliary clamping mechanism 5, wherein the positioning rack 1 is installed on an air tightness detection platform, the closed end clamping mechanism 2, the open end clamping mechanism 3, the middle section clamping mechanism 4 and the auxiliary clamping mechanism 5 are installed on the positioning rack 1 and used for fixing a U-shaped pipeline, and the positioning device is arranged in such a way that the U-shaped pipeline is effectively limited through seven limiting points at four action positions, and meanwhile, the closed end clamping mechanism 2, the open end clamping mechanism 3, the middle section clamping mechanism 4 and the auxiliary clamping mechanism 5 can be finely adjusted so as to be suitable for clamping and fixing workpieces with similar sizes.

Example two: be provided with a plurality of connecting plates 11 on the positioning frame 1, be provided with through-hole 12 on the connecting plate 11, the bolt passes through-hole 12 and installs positioning frame 1 on gas tightness testing platform, so sets up, and this application mainly solves the centre gripping of special-shaped work piece fixedly, and gas tightness testing platform is not the technical problem and the key that this application solved, and gas tightness testing platform belongs to prior art so does not disclose concrete structure simultaneously.

Example three: the closed end clamping mechanism 2 includes: positioner 21 and clamping device 22, install positioner 21 and clamping device 22 on the location frame 1, positioner 21 uses with clamping device 22 cooperation to press from both sides the fastening to the U-shaped pipeline blind end and fix, so sets up, realizes fixing a position to the work piece through positioner 21, fixes spacingly through clamping device 22 afterwards.

Example four: the positioning device 21 includes: the support column 211 is vertically arranged on the positioning frame 1, one end of each of two L-shaped connecting plates 212 is hinged with the upper end of the support column 211 through a rotating shaft, the two L-shaped connecting plates 212 are fixedly connected through the adjusting connecting plates 213, threads pass through the adjusting connecting plates 213, the first end adjusting bolt 214 penetrates through the threads to be matched with a bulge arranged at the upper end of the support column 211 to realize adjustment, the other end of each L-shaped connecting plate 212 is hinged with one end of each L-shaped bearing plate 215, a bearing pipe body end groove is arranged on each L-shaped bearing plate 215, the groove is matched with the clamping device 22 to clamp and fix the closed end of the U-shaped pipeline, threads pass through the support column 211, and the second end adjusting bolt 216 penetrates through the threaded through hole at the upper end of the support column 211 to be in contact with the L-shaped bearing plate 215 for supporting, so set up, promote L shape loading board 215 to rotate through adjusting second end adjusting bolt 216, drive L shape connecting plate 212 through adjusting first end adjusting bolt 214 and rotate, L shape connecting plate 212 is articulated with L shape loading board 215 and is realized rotating and then change the recess position on the L shape loading board 215 and then change the locating position, L shape loading board 215 and L shape connecting plate 212 through the round pin hub connection and then L shape loading board 215 can selectively change and then adapt to the work piece of similar size simultaneously.

Example five: the clamping device 22 comprises: first manual active grab 221, arc clamp 222 and supporting baseplate 223, first manual active grab 221 passes through the support mounting on location frame 1, the output of first manual active grab 221 is provided with arc clamp 222, arc clamp 222 lower extreme is provided with opening 224, supporting baseplate 223 installs on location frame 1, supporting baseplate 223 arranges in arc clamp 222 lower extreme end opening 224 and spacing arc clamp 222, arc clamp 222 uses with L shape loading board 215 upper end recess cooperation, so set up, L shape loading board 215 upper end recess is spacing arc clamp 222, arc clamp 222 carries out effectual compressing tightly to the work piece simultaneously, the realization is fixed spacing to the work piece, arc clamp 222 can better cooperate the transform of work piece position.

Example six: the open-end clamping mechanism 3 includes: an L-shaped open end bracket 31, a movable plate 32, an L-shaped carriage 33, an upper limit column 34, an open end threaded rod 35 and an open end positioning bolt 36, one end of the L-shaped open end bracket 31 is arranged on the positioning rack 1, one end of the open end threaded rod 35 passes through the L-shaped open end bracket 31 to be connected with a bearing at the upper end of the movable plate 32, the movable plate 32 is provided with an L-shaped carriage 33, the horizontal end of the L-shaped carriage 33 is used for bearing the open end of the U-shaped pipeline, the upper limiting column 34 passes through the L-shaped open end bracket 31 and the movable plate 32 to limit the upper part of the open end of the U-shaped pipeline, the upper limiting column 34 is provided with a plurality of threaded through holes, the open end positioning bolt 36 passes through the L-shaped open end bracket 31 to be matched and limited with the threaded through holes on the upper limiting column 34, with the arrangement, the L-shaped carriage 33 is matched with the upper limiting column 34 to limit the U-shaped pipeline, meanwhile, the movable plate 32 is driven to clamp the workpiece by adjusting the open-end threaded rod 35.

Example seven: the intermediate section clamping mechanism 4 includes: the positioning machine comprises a second manual quick clamp 41, a middle driving connecting rod 42, a middle pressing connecting rod 43, a middle connecting pressing plate 44 and a middle cross beam 45, wherein the middle cross beam 45 is installed on the positioning machine frame 1, the second manual quick clamp 41 is installed on the middle cross beam 45, one end of each of the two middle driving connecting rods 42 is hinged with the middle cross beam 45, the other end of each middle driving connecting rod 42 is hinged with the middle pressing connecting rod 43, the other end of each middle pressing connecting rod 43 is provided with a middle arc-shaped groove used for pressing a pipe body, the two middle driving connecting rods 42 are fixedly connected through the middle connecting pressing plate 44, the second manual quick clamp 41 is matched with the middle connecting pressing plate 44 for use, the middle section is a U-shaped pipeline straight pipe, the two ends of each middle cross beam 45 are provided with vertical rods, the vertical rods are matched with the middle pressing connecting rods 43 for pressing and limiting, and the middle part of a workpiece is effectively pressed, the overall stability is improved.

Example eight: the auxiliary clamping mechanism 5 includes: third manual active grab 51, supplementary L shape support 52 and segmental arc limiting plate 53, install third manual active grab 51 on the locating rack 1, supplementary L shape support 52 one end is articulated with locating rack 1, supplementary L shape support 52 other end is provided with spout 54, segmental arc limiting plate 53 is arranged in spout 54 and is compressed tightly through third manual active grab 51, segmental arc limiting plate 53 lower extreme is provided with and is used for the spacing end arcwall face of cooperation, so set up, wholly set up in arc and straight tube end department, a stability for consolidating the segmental arc, realize three simple cooperations with the cooperation of blind end clamping mechanism 2.

The working process is as follows:

firstly, rotating the open end threaded rod 35 to drive the L-shaped planker 33 to move outwards, then rotating the open end positioning bolt 36 to move the upper limiting column 34 outwards, driving the second manual quick clamp 41 to open the middle pressing connecting rod 43, taking out the arc section limiting plate 53, rotating the auxiliary L-shaped planker 52 to open the auxiliary L-shaped support 52, finally placing the auxiliary L-shaped planker into the U-shaped pipeline, placing the closed end of the U-shaped pipeline in the groove of the L-shaped bearing plate 215, placing the open end of the U-shaped pipeline on the L-shaped planker 33, then rotating the open end threaded rod 35 to drive the L-shaped planker 33 to move inwards to limit the end, then moving the upper limiting column 34 inwards to place the upper limiting column above the end of the U-shaped pipeline, rotating the open end positioning bolt 36 to limit and fix, driving the second manual quick clamp 41 to close the middle pressing connecting rod 43, further pressing the U-shaped workpiece, and rotating the auxiliary L-shaped support 52 to make the auxiliary L-shaped support in a closed state, in arc section limiting plate 53 inserted spout 54, the arcwall face of arc section limiting plate 53 compressed tightly the work piece, and then realized that comprehensive multiple spot compresses tightly spacingly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A U-shaped pipeline anchor clamps for gas tightness detects, its characterized in that includes: the air tightness detection device comprises a positioning rack (1), a closed end clamping mechanism (2), an open end clamping mechanism (3), an intermediate section clamping mechanism (4) and an auxiliary clamping mechanism (5), wherein the positioning rack (1) is installed on an air tightness detection platform, and the closed end clamping mechanism (2), the open end clamping mechanism (3), the intermediate section clamping mechanism (4) and the auxiliary clamping mechanism (5) of a fixed U-shaped pipeline are installed on the positioning rack (1).

2. The U-shaped pipeline clamp for airtightness detection according to claim 1, wherein a plurality of connecting plates (11) are provided on the positioning frame (1), through holes (12) are provided on the connecting plates (11), and bolts are passed through the through holes (12) to mount the positioning frame (1) on the airtightness detection platform.

3. The U-shaped pipe clamp for airtightness detection according to claim 1, wherein the closed-end clamping mechanism (2) comprises: the U-shaped pipeline sealing end clamping device comprises a positioning device (21) and a clamping device (22), wherein the positioning device (21) and the clamping device (22) are installed on the positioning rack (1), and the positioning device (21) and the clamping device (22) are matched for use to clamp and fix the U-shaped pipeline sealing end.

4. U-shaped pipe clamp for tightness detection according to claim 3, characterized in that said positioning means (21) comprise: the device comprises a supporting column (211), L-shaped connecting plates (212), adjusting connecting plates (213), first end adjusting bolts (214), an L-shaped bearing plate (215) and second end adjusting bolts (216), wherein the supporting column (211) is vertically installed on a positioning rack (1), one end of each of the two L-shaped connecting plates (212) is hinged to the upper end of the supporting column (211) through a rotating shaft, the two L-shaped connecting plates (212) are fixedly connected through the adjusting connecting plates (213), threads are formed in the adjusting connecting plates (213) and pass through the threads, the first end adjusting bolts (214) penetrate through the threads and are matched with a protruding part arranged at the upper end of the supporting column (211) to realize adjustment, the other end of each L-shaped connecting plate (212) is hinged to one end of the L-shaped bearing plate (215), a bearing pipe groove is formed in each L-shaped bearing plate (215), the groove is matched with an end clamping device (22) to clamp and fix the closed end of a U-shaped pipeline, the supporting column (211) is provided with a thread, and the second end adjusting bolt (216) penetrates through the thread through hole at the upper end of the supporting column (211) to be in contact with the L-shaped bearing plate (215) for supporting.

5. U-shaped pipe clamp for tightness detection according to claim 4, characterized in that said clamping means (22) comprise: first manual active grab (221), arc clamp plate (222) and supporting baseplate (223), first manual active grab (221) pass through the support mounting on location frame (1), the output of first manual active grab (221) is provided with arc clamp plate (222), arc clamp plate (222) lower extreme is provided with opening (224), supporting baseplate (223) are installed on location frame (1), supporting baseplate (223) are arranged in arc clamp plate (222) lower extreme end opening (224) and are spacing arc clamp plate (222), arc clamp plate (222) and L shape loading board (215) upper end recess cooperation are used.

6. The U-shaped pipe clamp for airtightness detection according to claim 1, wherein the open-end clamping mechanism (3) comprises: an L-shaped open end bracket (31), a moving plate (32), an L-shaped carriage (33), an upper limiting column (34), an open end threaded rod (35) and an open end positioning bolt (36), l shape open end support (31) one end is installed on location frame (1), open end threaded rod (35) one end is passed L shape open end support (31) and is linked to each other with movable plate (32) upper end bearing, install L shape planker (33) on movable plate (32), L shape planker (33) horizontal end is used for bearing U-shaped pipeline open end, it is spacing to U-shaped pipeline open end top to go up spacing post (34) to pass L shape open end support (31) and movable plate (32), it has a plurality of screw through-holes to open on spacing post (34) to go up, open end positioning bolt (36) pass L shape open end support (31) and go up spacing post (34) and go up to screw through-hole cooperation spacing.

7. The U-shaped pipe clamp for airtightness detection according to claim 1, wherein the intermediate section clamping mechanism (4) comprises: the automatic pipe clamping device comprises a second manual quick clamp (41), a middle driving connecting rod (42), a middle pressing connecting rod (43), a middle connecting pressing plate (44) and a middle cross beam (45), wherein the middle cross beam (45) is installed on the positioning rack (1), the second manual quick clamp (41) is installed on the middle cross beam (45), one ends of the two middle driving connecting rods (42) are hinged to the middle cross beam (45), the other ends of the middle driving connecting rods (42) are hinged to the middle pressing connecting rod (43), the other ends of the middle pressing connecting rods (43) are provided with middle arc-shaped grooves, the middle arc-shaped grooves are used for pressing a pipe body, the two middle driving connecting rods (42) are fixedly connected through the middle connecting pressing plate (44), and the second manual quick clamp (41) is matched with the middle connecting pressing plate (44).

8. U-shaped pipe clamp for tightness detection according to claim 1, characterized in that said auxiliary clamping mechanism (5) comprises: third manual active grab (51), supplementary L shape support (52) and segmental arc limiting plate (53), install third manual active grab (51) on positioning frame (1), supplementary L shape support (52) one end is articulated with positioning frame (1), supplementary L shape support (52) other end is provided with spout (54), segmental arc limiting plate (53) are arranged in spout (54) and are compressed tightly through third manual active grab (51), segmental arc limiting plate (53) lower extreme is provided with and is used for the spacing end arcwall face of cooperation.