CN210889865U - Spring assembly with limiting device - Google Patents
Spring assembly with limiting device Download PDFInfo
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- CN210889865U CN210889865U CN201921606832.2U CN201921606832U CN210889865U CN 210889865 U CN210889865 U CN 210889865U CN 201921606832 U CN201921606832 U CN 201921606832U CN 210889865 U CN210889865 U CN 210889865U
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- spring
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- shell
- limiting device
- baffle
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Abstract
The utility model discloses a spring assembly with a limiting device, which comprises the limiting device, a spring, a bearing piece and a shell, wherein the spring is arranged in the shell, and the bottom end of the spring is fixedly connected with the bottom of the shell; the limiting device is arranged at the top end of the spring; the limiting device comprises a limiting baffle at the top end of the spring and a limiting structure fixed on the outer side of the shell, the limiting structure is arranged above the limiting baffle, and the distance from the lower surface of the limiting structure to the bottom of the spring is smaller than the free length of the spring; one end of the bearing piece is connected with the limiting baffle, and the other end of the bearing piece is connected with an object to be supported; in spacing within range, use as the spring, can regard as the rigid carrier to use when surpassing, ensure that the pipeline can not take place too big deformation when the load sudden change to solved the technology pipeline operating mode more, the load is discontinuous under the different operating modes, the big condition of change has satisfied the requirement of the discontinuous change of operating mode and thermal displacement, has guaranteed the stability and the security of whole piping operation under each operating mode.
Description
Technical Field
The utility model belongs to the technical field of the process line design, concretely relates to take stop device's spring unit.
Background
The selection of the spring is the main work content of the design of process pipeline supports and hangers of various types of steam, water, molten salt, heat conduction oil and the like in the industrial field, and is related to the stability and the safety of the installation and the operation of the whole piping system. However, for the pipelines with more operation working conditions and large load change under different working conditions, the existing springs are adopted, the actual requirements cannot be met, for the fused salt pipelines, the pipelines sink to a large extent under the full-load working condition, the springs deform greatly, but after the load is unloaded, the pipelines can recover to a free state rapidly, and meanwhile, the acting force of the springs is exerted, and the pipelines deform seriously and even break.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a take stop device's spring unit has solved the unable pipeline operating mode sudden change of current spring and has produced the problem that serious deformation and lead to.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a spring assembly with a limiting device comprises the limiting device, a spring, a bearing piece and a shell, wherein the spring is arranged in the shell, and the bottom end of the spring is fixedly connected with the bottom of the shell; the limiting device is arranged at the top end of the spring; the limiting device comprises a limiting baffle at the top end of the spring and a limiting structure fixed on the outer side of the shell, the limiting structure is arranged above the limiting baffle, and the distance from the lower surface of the limiting structure to the bottom of the spring is smaller than the free length of the spring; one end of the bearing piece is connected with the limiting baffle, and the other end of the bearing piece extends out of the shell to be connected with an object to be supported.
The limiting structure is a limiting ring or a limiting block arranged along the periphery of the outer side of the shell.
The limiting structure comprises a plurality of stop blocks and a stop ring, the stop ring is arranged along the periphery of the outer side of the shell, a threaded hole is formed in the stop block, an adjusting bolt is arranged in the threaded hole, and the lower end of the adjusting bolt is abutted to the upper surface of the stop ring.
The lower surface of the baffle ring is provided with a buffer layer.
The bearing part adopts a bolt and a threaded sleeve, the bolt penetrates through the limiting baffle, the head of the bolt is clamped above the limiting baffle, and the threaded sleeve is connected with a screw rod of the bolt; the top of the shell is provided with a connecting piece used for connecting a lifting appliance above, the connecting piece is in threaded connection with the lifting appliance above, the center of the bottom of the shell is provided with a through hole, and the threaded sleeve penetrates through the through hole to be connected with the lifting appliance below.
The connecting piece at the top of the shell is connected with a first lifting lug and a second lifting lug, and the axes of the first lifting lug and the second lifting lug are vertical to each other in the horizontal direction.
The bearing part adopts a cylindrical barrel, the lower part of the cylindrical barrel is fixedly connected with the limiting baffle, the upper part of the cylindrical barrel is provided with a supporting part, and the lower end of the cylindrical barrel extends into the central annular space of the spring.
The center of the limit baffle is provided with a boss facing the spring, and the diameter of the boss is smaller than the middle diameter of a spring ring of the spring.
The side of casing is seted up long straight hole, and one side in long straight hole is provided with the scale that is used for showing the spring displacement, is connected with the displacement indicator board on the limit baffle, and the side of casing still is provided with the data plate.
Compared with the prior art, the utility model discloses following beneficial effect has at least: as powerful supplement of a conventional continuous spring, the spring assembly with the limiting device can control the stroke of the spring through the limiting device; in spacing within range, use as the spring, can regard as the rigid carrier to use when surpassing, ensure that the pipeline can not take place too big deformation when the load sudden change to solved the technology pipeline operating mode more, the load is discontinuous under the different operating modes, the big condition of change has satisfied the requirement of the discontinuous change of operating mode and thermal displacement, has guaranteed the stability and the security of whole piping operation under each operating mode.
Furthermore, the limiting structure comprises a plurality of stop blocks and stop rings arranged along the periphery of the outer side of the shell, the stop rings are arranged below the stop blocks, threaded holes are formed in the stop blocks, adjusting bolts are arranged in the threaded holes, and the lower ends of the adjusting bolts abut against the upper surfaces of the stop rings; the adjustment of limiting position can be realized, and more suitable working conditions are provided.
Furthermore, the lower surface of the baffle ring is provided with a buffer layer, so that certain load can be buffered during unloading or loading, and the safety of the spring assembly is improved.
Furthermore, the connecting piece at the top of the shell is connected with a first lifting lug and a second lifting lug, when the lifting lugs which are mutually perpendicular to the lifting lugs of the trunnion are arranged to enable the pipeline to generate axial displacement and radial displacement, the lifting appliance can shift along with the lifting lug, the stress direction of the spring assembly is always parallel to the axis of the spring assembly, and the pipeline is prevented from generating extra stress.
Furthermore, limit baffle's center is provided with a boss towards the spring, and the inside range of rocking is too big when preventing to take place the vibration of spring unit, improves holistic stability.
Furthermore, a long straight hole is formed in the side face of the shell, a scale used for indicating the displacement of the spring is arranged on one side of the long straight hole, and a displacement indicating plate is connected to the limiting baffle plate, so that the deformation condition of the spring can be observed conveniently.
Drawings
FIG. 1 is a schematic view of a spring assembly hanger with a spacing device as taught in this patent;
FIG. 2 is a schematic view of a spring assembly holder with a retainer according to the teachings of this patent;
in the attached drawings, 1-a limiting device, 2-a spring, 3-a shell, 4-a locking pin and 5-a nameplate; 6-bolt, 7-thread sleeve, 8-connecting piece, 9-cylindrical barrel, 10-supporting piece, 11-limiting baffle and 12-limiting structure.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a spring assembly with a limiting device comprises a limiting device 1, a spring 2 and a shell 3, wherein the spring 2 is arranged inside the shell 3, and the bottom end of the spring 2 is fixedly connected with the bottom of the shell 3; the limiting device 1 is arranged at the top end of the spring 2; the limiting device 1 comprises a limiting baffle 11 at the top end of the spring and a limiting structure fixed on the outer side of the shell 3, the limiting structure 12 is arranged above the limiting baffle 11, and the distance from the lower surface of the limiting structure 12 to the bottom of the spring 2 is less than the free length of the spring 2; one end of the bearing piece is connected with the limiting baffle 11, and the other end of the bearing piece is connected with an object to be supported; the limiting structure 12 is a limiting ring or a limiting block arranged along the outer periphery of the shell 3.
As an embodiment of the present invention, the limiting structure 12 includes a plurality of stoppers and a stop ring disposed along a circumference outside the housing 3, the stop ring is disposed below the stopper, a threaded hole is formed in the stopper, an adjusting bolt is disposed in the threaded hole, a lower end of the adjusting bolt abuts against an upper surface of the stop ring, the upper surface of the stop ring is further provided with a limiting cylinder for limiting a horizontal position of the bolt, the limiting cylinder and the stop ring are fixed by welding, the limiting cylinder is perpendicular to the stop ring, a gap is formed between an inner diameter of the limiting cylinder and the adjusting bolt, the number of the limiting cylinders is equal to the number of the adjusting bolts, and along a circumferential direction, the position of the limiting cylinder matches the position of the adjusting bolt; preferably, the lower surface of the baffle ring is provided with a buffer layer.
The center of the limit baffle is provided with a boss facing the spring 2, and the diameter of the boss is smaller than the spring ring pitch diameter of the spring 2.
The side of casing 3 is seted up long straight hole, and one side in long straight hole is provided with the scale that is used for showing the spring displacement, is connected with the displacement indicator board on the limit baffle, and long straight hole is waist type hole.
The side of the shell 3 is provided with a nameplate 5.
As shown in fig. 1, in a hanger spring form with a limiting device, a bearing part adopts a bolt 6 and a threaded sleeve 7, the bolt 6 passes through a limiting baffle 11, the head part of the bolt 6 is clamped above the limiting baffle 11, and the threaded sleeve 7 is connected with a screw rod of the bolt 6; the top of the shell 3 is provided with a connecting piece 8 for connecting an upper lifting appliance, the connecting piece 8 is connected with the upper lifting appliance through threads, the center of the bottom of the shell 3 is provided with a through hole, and the threaded sleeve 7 penetrates through the through hole and is connected with a lower lifting appliance;
the limiting device adopts materials and dimensions and a connection mode of the limiting device and the shell 3 to ensure reliable structure and strength, the spring can be ensured to stretch out and draw back within a range limited by the limiting device 1, and the limiting device 1 and the locking pin are provided with marks for distinguishing the limiting device and the locking pin; when the load is large, the spring is pressed downwards, and when the load is small, the spring extends to the position of the limiting device to stop.
The connecting piece 8 at the top of the shell 3 is connected with a first lifting lug and a second lifting lug, and the axes of the first lifting lug and the second lifting lug are mutually vertical in the horizontal direction.
The side wall of the shell 3 is provided with at least two rectangular windows, the limiting baffle 11 extends out of the rectangular windows, the long sides of the rectangular windows are parallel to the axial direction of the spring 2, and the top ends of the rectangular windows are higher than or equal to the free height of the spring 2; the rectangular windows are uniformly arranged along the circumferential direction of the side wall of the shell 3.
The limiting baffle 11 is a rectangular steel plate or a disc-shaped steel plate, the disc-shaped steel plate is provided with at least two rectangular teeth along the circumferential direction, and the number of the rectangular teeth is consistent with that of the rectangular windows; the limit baffle 11 extends out of the rectangular window.
As an optional embodiment of the present invention, the connecting member 8 on the top end of the hanger spring is connected to a cross-shaped lug, and the connecting member 8 is provided with a screw thread or is connected to a lug.
In another alternative embodiment, the top of the housing 3 is provided with a connecting member 8 for connecting a lifting appliance, the connecting member is connected with the lifting appliance through threads, the threads are internal threads or external threads, and the lower end of the threaded sleeve 7 in the bearing part is provided with a lifting lug.
The center of the limit baffle is provided with a boss facing the spring 2, and the diameter of the boss is smaller than the spring ring pitch diameter of the spring 2.
As shown in fig. 2, in a bracket spring form with a limiting device, a bearing element adopts a cylindrical barrel 9, the lower part of the cylindrical barrel 9 is fixedly connected with a limiting baffle 11, and a support element 10 is arranged at the upper part of the cylindrical barrel 9; the lower end of the cylindrical barrel 9 extends into the central annular space of the spring 2; the limiting device ensures reliable structure and strength, can ensure that the spring stretches in the range below the limiting device, and is provided with a distinguishing mark; when the load is large, the spring is pressed downwards; when the load is smaller, the spring extends to the position of the limiting device and stops.
The locking pins 4 shown in fig. 1 and 2 secure the spring 2 in a transport and ready-to-mount state, the locking pins 4 being arranged in two symmetrically with respect to the spring assembly axis.
The examples shown in fig. 1 and 2 are two embodiments of the spring with a limiting device provided by the invention; the scope of protection of the present invention is not limited to the embodiments shown in fig. 1 and 2.
Claims (9)
1. A spring assembly with a limiting device is characterized by comprising the limiting device (1), a spring (2), a bearing piece and a shell (3), wherein the spring (2) is arranged inside the shell (3), and the bottom end of the spring (2) is fixedly connected with the bottom of the shell (3); the limiting device (1) is arranged at the top end of the spring (2); the limiting device (1) comprises a limiting baffle (11) at the top end of the spring and a limiting structure fixed on the outer side of the shell (3), the limiting structure (12) is arranged above the limiting baffle (11), and the distance from the lower surface of the limiting structure (12) to the bottom of the spring (2) is smaller than the free length of the spring (2); one end of the bearing piece is connected with the limit baffle (11), and the other end of the bearing piece is connected with an object to be supported.
2. The spring assembly with a limiting device according to claim 1, wherein the limiting structure (12) is a limiting ring or a limiting block arranged along one circle outside the shell (3).
3. The spring assembly with the limiting device according to claim 2, wherein the limiting structure (12) comprises a plurality of stopping blocks and a retaining ring, the stopping ring is arranged along the outer circumference of the shell (3), the retaining ring is arranged below the stopping blocks, threaded holes are formed in the stopping blocks, adjusting bolts are arranged in the threaded holes, and the lower ends of the adjusting bolts abut against the upper surfaces of the retaining rings.
4. The spring assembly with a retainer according to claim 3, wherein the lower surface of the retainer ring is provided with a cushioning layer.
5. The spring assembly with the limiting device according to claim 1, wherein the bearing part adopts a bolt (6) and a threaded sleeve (7), the bolt (6) passes through the limiting baffle (11), the head of the bolt is clamped above the limiting baffle (11), and the threaded sleeve (7) is connected with a screw rod of the bolt (6); the top of the shell (3) is provided with a connecting piece (8) used for being connected with an upper lifting appliance, the connecting piece (8) is in threaded connection with the upper lifting appliance, a through hole is formed in the center of the bottom of the shell (3), and the threaded sleeve (7) penetrates through the through hole to be connected with the lower lifting appliance.
6. A spring assembly with a limiting device according to claim 5, characterized in that the connecting piece (8) at the top of the housing (3) is connected with a first lifting lug and a second lifting lug, and the axes of the first lifting lug and the second lifting lug are mutually vertical in the horizontal direction.
7. The spring assembly with the limiting device according to claim 1, characterized in that the bearing member is a cylindrical barrel (9), the lower part of the cylindrical barrel (9) is fixedly connected with the limiting baffle (11), the upper part of the cylindrical barrel is provided with a support member (10), and the lower end of the cylindrical barrel (9) extends into the central annular space of the spring (2).
8. The spring assembly with a limiting device according to claim 1, characterized in that the center of the limiting baffle (11) is provided with a boss facing the spring (2), and the diameter of the boss is smaller than the spring ring pitch diameter of the spring (2).
9. The spring assembly with the limiting device according to any one of claims 1 to 8, wherein a long straight hole is formed in the side surface of the shell (3), a scale for indicating the displacement of the spring is arranged on one side of the long straight hole, a displacement indicating plate is connected to the limiting baffle (11), and a nameplate (5) is further arranged on the side surface of the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606832.2U CN210889865U (en) | 2019-09-25 | 2019-09-25 | Spring assembly with limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606832.2U CN210889865U (en) | 2019-09-25 | 2019-09-25 | Spring assembly with limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889865U true CN210889865U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606832.2U Active CN210889865U (en) | 2019-09-25 | 2019-09-25 | Spring assembly with limiting device |
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| Country | Link |
|---|---|
| CN (1) | CN210889865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594326A (en) * | 2019-09-25 | 2019-12-20 | 中国电力工程顾问集团西北电力设计院有限公司 | Spring assembly with limiting device |
-
2019
- 2019-09-25 CN CN201921606832.2U patent/CN210889865U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594326A (en) * | 2019-09-25 | 2019-12-20 | 中国电力工程顾问集团西北电力设计院有限公司 | Spring assembly with limiting device |
| CN110594326B (en) * | 2019-09-25 | 2023-12-26 | 中国电力工程顾问集团西北电力设计院有限公司 | Spring assembly with limiting device |
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