CN217953744U

CN217953744U - Resistance testing device for quick ring connection pipeline

Info

Publication number: CN217953744U
Application number: CN202221873535.6U
Authority: CN
Inventors: 彭坚
Original assignee: Changsha Hejie Industry Ltd
Current assignee: Changsha Hejie Industry Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-02
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a with quick ring connecting line resistance testing arrangement belongs to mechanical parts and detects technical field, including power device, fixture and push down detection mechanism, power device includes base, two guide rail posts, fixed plate and holding down plate, and fixture includes cushion and pipeline anchor clamps, pushes down detection mechanism and includes briquetting and sensor down. And one end of the quick ring connecting pipeline is clamped on a fixed plate of the power device through a clamping mechanism, and a pressing detection mechanism on the lower pressing plate applies pressure to the other end of the quick ring connecting pipeline, particularly to the quick ring, and synchronously detects a pressure value so as to measure and calculate a resistance value connected between the quick ring and the pipeline. The whole device is simple in structure, convenient and fast to install the test piece, and the test piece is stabilized through the cushion blocks, the pipeline clamps, the lower pressing blocks and other auxiliary mechanisms, so that the influence of adverse factors in the detection process is eliminated, and the detection accuracy is improved.

Description

Resistance testing device for short and short ring connecting pipeline

Technical Field

The utility model belongs to the technical field of mechanical parts detects, specifically a with quick ring connecting line resistance testing arrangement.

Background

The Jiejie ring is a metal product used for connecting two metal circular tubes together on mechanical or electrical equipment, in particular on refrigeration equipment (such as refrigerators, air conditioners and the like). The resistance value in the connection process of the quick ring connecting pipeline is a very important parameter in the production process, and the resistance value can provide a basis for selecting a proper installation device for connection with the quick ring connecting pipeline and the connection force value by knowing the resistance value.

The original detection method is to directly carry out stretching or pressing experiments on the quick ring connection pipeline by adjusting the power values of different power devices (hydraulic or air pressure), and the resistance in the quick ring connection process is calculated according to the structure of the power devices and the power magnitude. However, in the method, an external auxiliary mechanism is not arranged between the power device and the connecting pipeline in the test process, and the short ring connecting pipeline is a long and thin rod piece and is easily influenced by deflection caused by the structure, so that the connecting pipeline is easy to deviate to generate large errors in the test process, and the calculated result is not high in accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a with quick ring connecting line resistance testing arrangement to solve the problem that is difficult to the resistance value among the accurate detection and the quick ring connecting line connection process among the prior art.

The utility model provides a quick ring connecting line resistance testing arrangement, includes:

the power device comprises a base, two guide rail columns, a fixed plate and a lower pressing plate, wherein the two guide rail columns are respectively arranged at two ends of the top of the base, and the two guide rail columns sequentially and fixedly penetrate through the fixed plate and movably penetrate through the lower pressing plate from bottom to top;

the clamping mechanism comprises a cushion block and a pipeline clamp, the clamping mechanism is arranged at one end, close to the lower pressing plate, of the fixing plate, and the pipeline clamp is arranged on the upper portion of the cushion block; and

and the pressing detection mechanism comprises a pressing block and a sensor, the pressing detection mechanism is arranged at one end of the pressing plate close to the fixed plate, and the sensor is clamped between the pressing plate and the pressing block.

Furthermore, a plurality of mounting holes are formed in the top of the cushion block along the length direction, and the aperture sizes of the mounting holes are sequentially reduced along the length direction.

Further, the pipeline clamp comprises a chuck and elastic clamping jaws, the chuck is arranged at one end, far away from the fixing plate, of the cushion block, and the elastic clamping jaws are sleeved with the chuck.

Furthermore, the elastic clamping jaw movably penetrates through the chuck, and a clamping hole penetrating through the middle part of the elastic clamping jaw is at least over against one of the mounting holes.

Further, the lower pressing block comprises a connecting block and a connecting sleeve, one end of the lower pressing plate is far away from the connecting block and is fixedly connected with the connecting sleeve, and the lower pressing block is connected with the sensor in a clamped mode through the connecting block.

Furthermore, one end of the connecting sleeve, which is far away from the connecting block, is provided with a through hole.

Furthermore, the through hole comprises a quick ring positioning hole and a pipeline positioning hole, the quick ring positioning hole is arranged at one end, far away from the connecting block, of the pipeline positioning hole, and the aperture size of the quick ring positioning hole is larger than that of the pipeline positioning hole.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a with quick ring connecting line resistance testing arrangement, with quick ring connecting line one end pass through the fixture centre gripping on power device's fixed plate, push down detection mechanism on the lower pressure plate to with quick ring connecting line other end especially to with quick ring apply pressure and through sensor synchronous detection pressure value to this is measured and calculated and is connected resistance value between quick ring and the pipeline. The pipeline clamp has good clamping capacity on the slender rod piece, the cushion blocks play roles in stabilizing the pipeline clamp and positioning the connecting pipeline, the shape of the joint of the lower pressing block and the connecting pipeline is matched, the connecting pipeline is stably connected in the pressing-down process, and the deflection influence of the connecting pipeline caused by the structure of the slender rod piece is reduced. The whole device is simple in structure, convenient and fast to install the test piece, and the test piece is stabilized through each auxiliary mechanism, so that the influence of adverse factors in the detection process is eliminated, and the detection accuracy is improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the overall structure of a resistance testing device for a Jie-ring connection pipeline;

fig. 2 is an exploded schematic view of a clamping mechanism according to an embodiment of the present invention;

fig. 3 is an assembly schematic diagram of the lower pressing block provided by the embodiment of the present invention.

In the figure: 1. a power plant; 11. a base; 12. a guide rail column; 13. a fixing plate; 14. a lower pressing plate; 2. a clamping mechanism; 21. cushion blocks; 211. mounting holes; 22. a pipeline clamp; 221. a chuck; 222. an elastic claw; 3. a press-down detection mechanism; 31. pressing the block; 311. connecting blocks; 312. connecting a sleeve; 313. perforating; 314. and a short ring positioning hole; 315. pipeline positioning holes; 32. a sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, in an embodiment of the present invention, a resistance testing apparatus for a quick-acting ring connection pipeline, including a power device 1, a clamping mechanism 2 and a pressing detection mechanism 3, the power device 1 includes a base 11, two guide rail columns 12, a fixing plate 13 and a pressing plate 14, the two guide rail columns 12 are respectively disposed at two ends of the top of the base 11, the two guide rail columns 12 are sequentially fixed from bottom to top to run through the fixing plate 13 and movably run through the pressing plate 14, the clamping mechanism 2 includes a cushion 21 and a pipeline clamp 22, the clamping mechanism 2 is disposed at one end of the fixing plate 13 close to the pressing plate 14, the pipeline clamp 22 is disposed at the upper portion of the cushion 21, the pressing detection mechanism 3 includes a pressing block 31 and a sensor 32, the pressing detection mechanism 3 is disposed at one end of the pressing plate 14 close to the fixing plate 13, and the sensor 32 is clamped between the pressing plate 14 and the pressing block 31.

The embodiment of the utility model provides a with quick ring connecting line resistance testing arrangement's theory of operation: one end of the quick ring connecting pipeline is clamped on a fixing plate 13 of the power device 1 through a clamping mechanism 2, a pressing detection mechanism 3 on a lower pressing plate 14 applies pressure to the other end of the quick ring connecting pipeline, particularly to the quick ring, and synchronously detects a pressure value through a sensor 32, so that a resistance value connected between the quick ring and the pipeline is measured and calculated. The pipeline clamp 22 has good clamping capacity on the slender rod piece, the cushion block 21 plays a role in stabilizing the pipeline clamp 22 and positioning the connecting pipeline, the shape of the joint of the lower pressing block 31 and the connecting pipeline is matched, the connecting pipeline is stabilized in the pressing process, and the deflection influence of the connecting pipeline caused by the structure of the slender rod piece is reduced.

In a concrete embodiment, power device 1 in the utility model selects for use electron pulling force machine to provide and pushes down power, and electron pulling force machine has pressure and tensile detection function simultaneously, and this operation method can carry out and the quick ring connection resistance test in addition, can also carry out and quick ring back pull-down power detection after the ring connection through the pulling force detection function of electron pulling force machine, realizes a tractor serves several purposes. Of course, the power unit 1 may be a hydraulic press, a pneumatic press, or the like, only for the detection method according to the present invention, and the present invention is not limited to this.

Further, the base 11 provides a basic platform for the whole testing mechanism, the guide rail column 12 provides a track for the lower pressing plate 14 to move directionally, and basic pressure kinetic energy is applied to the test piece through clamping of the fixing plate 13 and the lower pressing plate 14.

In one embodiment, referring to fig. 2, the pipe clamp 22 is small in size and mass, and has no matching mounting mechanism connected to the fixing plate 13, and is easy to shift during pressing, and a counterweight is required to be added and the pipe clamp 22 is stabilized by a positioning structure during testing, so that a spacer 21 is additionally arranged between the pipe clamp 22 and the fixing plate 13, the spacer 21 is integrally cast by using a metal material, and the spacer 21 has strong stability due to its large counterweight when placed on the fixing plate 13.

Furthermore, a plurality of mounting holes 211 have been seted up along length direction at cushion 21 top, and the aperture size of a plurality of mounting holes 211 reduces along length direction in proper order, and every mounting hole 211 all has rather than the matching with quick ring connecting line, but the connecting line of different diameter size of different aperture size's mounting hole 211 adaptation. The connecting pipeline passes through the pipeline clamp 22 and the corresponding mounting hole 211 in sequence, and after the pipeline clamp 22 is clamped and fixed, the positions of the connecting pipeline and the pipeline clamp 22 are limited through the mounting hole 211.

Furthermore, because the connecting pipeline is a slender rod, the clamping length of the connecting pipeline needs to be reduced during the press-down test so as to reduce the influence of deflection, but the pipeline clamp 22 only can play a role in clamping, and the height of the pipeline clamp is not enough to completely accommodate the length of the connecting pipeline, so that the mounting hole 211 can play a role in bearing the length of most of the connecting pipeline.

In one embodiment, referring to fig. 2, the pipe clamp 22 includes a chuck 221 and elastic jaws 222, the chuck 221 is disposed at one end of the cushion block 21 away from the fixing plate 13, the chuck 221 is sleeved on the periphery of the elastic jaws 222, and clamping holes for the elongated rods to pass through are formed in the middle of the elastic jaws 222. During the installation, select for use the elasticity jack catch 222 that the centre gripping hole aperture accords with connecting line diameter size, insert the outer tube one end of connecting line in the centre gripping hole to insert elasticity jack catch 222 in chuck 221, because the squeezing action shrink elasticity jack catch 222 of chuck 221 makes the centre gripping hole clamp connecting line.

Furthermore, the elastic claw 222 movably penetrates through the chuck 221, and a clamping hole penetrating through the middle of the elastic claw 222 at least faces one of the mounting holes 211, and after the connecting pipeline is clamped by the elastic claw 222, an insertion end needs to be inserted into the mounting hole 211 matched with the connecting pipeline, so that the connecting pipeline and the pipeline clamp 22 are positioned.

In one embodiment, referring to fig. 3, the lower pressing block 31 includes a connecting block 311 and a connecting sleeve 312, one end of the connecting block 311 away from the lower pressing plate 14 is fixedly connected to the connecting sleeve 312, the lower pressing block 31 is clamped to the sensor 32 through the connecting block 311, and a cylindrical connecting pipe having a diameter smaller than that of the connecting block 311 is used at a connection position of the connecting block 311 and the connecting sleeve 312, so that the connecting block 311 is conveniently clamped to the sensor 32.

Furthermore, a through hole 313 is formed at one end of the connecting sleeve 312, which is far away from the connecting block 311, and the connecting sleeve 312 is sleeved on the periphery of the connecting pipeline through the through hole 313, so that the pressure of the lower pressing plate 14 can be transmitted to the connecting pipeline through the connecting sleeve 312, and the connecting pipeline is prevented from being bent or even broken. The depth of the perforations 313 is determined by the length of the interposer and the travel of the compression ring.

Furthermore, the through hole 313 includes a quick ring positioning hole 314 and a pipeline positioning hole 315, the quick ring positioning hole 314 is disposed at one end of the pipeline positioning hole 315 far from the connecting block 311, the aperture size of the quick ring positioning hole 314 is larger than that of the pipeline positioning hole 315, after the connecting pipeline penetrates into the through hole 313, the pipeline positioning hole 315 is used for accommodating the inner inserting pipe, and the quick ring positioning hole 314 abuts against the quick ring on the connecting pipeline and applies pressure to the quick ring when the connecting sleeve 312 is pressed down so as to detect the friction force of the quick ring on the connecting pipeline.

The foregoing is illustrative and explanatory of the structure of the invention, and it is intended that those skilled in the art who have the structure described herein be able to make various modifications, additions or substitutions thereto, without departing from the scope of the invention as defined in the claims.

Claims

1. The utility model provides a with quick ring connecting line resistance testing arrangement which characterized in that includes:

the power device (1) comprises a base (11), two guide rail columns (12), a fixing plate (13) and a lower pressing plate (14), wherein the two guide rail columns (12) are respectively arranged at two ends of the top of the base (11), and the two guide rail columns (12) are sequentially and fixedly penetrated through the fixing plate (13) and movably penetrated through the lower pressing plate (14) from bottom to top;

the clamping mechanism (2) comprises a cushion block (21) and a pipeline clamp (22), the clamping mechanism (2) is arranged at one end, close to the lower pressing plate (14), of the fixing plate (13), and the pipeline clamp (22) is arranged at the upper part of the cushion block (21); and

the pressing detection mechanism (3) comprises a pressing block (31) and a sensor (32), the pressing detection mechanism (3) is arranged at one end, close to the fixing plate (13), of the pressing plate (14), and the sensor (32) is clamped between the pressing plate (14) and the pressing block (31).

2. The short ring connection pipeline resistance testing device according to claim 1, wherein a plurality of mounting holes (211) are formed in the top of the cushion block (21) along the length direction, and the hole diameters of the plurality of mounting holes (211) are sequentially reduced along the length direction.

3. The short ring connection pipeline resistance testing device according to claim 2, wherein the pipeline clamp (22) comprises a chuck (221) and elastic jaws (222), the chuck (221) is arranged at one end of the cushion block (21) far away from the fixed plate (13), and the chuck (221) is sleeved on the peripheries of the elastic jaws (222).

4. The quick ring connecting pipeline resistance testing device is characterized in that the elastic claw (222) movably penetrates through the chuck (221), and a clamping hole formed in the middle of the elastic claw (222) is opposite to at least one mounting hole (211).

5. The quick ring connection pipeline resistance testing device according to claim 1, wherein the lower pressing block (31) comprises a connecting block (311) and a connecting sleeve (312), one end of the connecting block (311) far away from the lower pressing plate (14) is fixedly connected with the connecting sleeve (312), and the lower pressing block (31) is clamped with the sensor (32) through the connecting block (311).

6. A resistance testing device for a Jie-Ring connection pipe according to claim 5, characterized in that the end of the connection sleeve (312) remote from the connection block (311) is provided with a through hole (313).

7. The resistance force testing device for the pipeline connected with the quick ring as claimed in claim 6, wherein the through hole (313) comprises a quick ring positioning hole (314) and a pipeline positioning hole (315), the quick ring positioning hole (314) is disposed at one end of the pipeline positioning hole (315) far from the connecting block (311), and the aperture size of the quick ring positioning hole (314) is larger than that of the pipeline positioning hole (315).