CN211599902U

CN211599902U - Multifunctional damper

Info

Publication number: CN211599902U
Application number: CN201922054428.5U
Authority: CN
Inventors: 钱兵; 何伟明
Original assignee: Shanghai Mingting Architectural Design Co ltd
Current assignee: Shanghai Mingting Architectural Design Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-29
Anticipated expiration: 2029-11-25

Abstract

The utility model is suitable for a pipeline damping technical field, the utility model provides a multifunctional damper, including piston cylinder and support column, hydraulic pressure groove has been seted up in the piston cylinder, the hydraulic pressure inslot is equipped with hydraulic oil, the axis department fixed mounting of hydraulic pressure tank bottom has the vertical pole, the top movable mounting of hydraulic pressure groove has the piston rod, the one end fixed mounting that the piston rod is located hydraulic pressure inslot has the piston, the top fixed mounting of a piece has spring one, the one end fixed mounting that a piece was kept away from to spring one is in the bottom of piston, the spring hole has been seted up at the top of support column, the downthehole spring post that is equipped with of spring, the top fixed mounting of spring post has supporting shoe one, spring two has been cup jointed to the outer wall of spring. This practicality can carry out the secondary shock attenuation to the pipeline, reduces attenuator inner structure's wearing and tearing, avoids the wearing and tearing between piston and the piston cylinder to increase the life of device.

Description

Multifunctional damper

Technical Field

The utility model belongs to the technical field of the pipeline damping, especially, relate to a multifunctional damper.

Background

The hydraulic damper is a vibration damper which is developed in the last 70 th century and sensitive to speed response, controls a hydraulic cylinder piston to move by means of a valve with a special structure so as to inhibit the influence of periodic load and impact load of a pipeline or equipment, has a great function, mainly takes the effects of shock resistance and energy dissipation on the equipment or the pipeline, and is mainly used for preventing the pipeline or the equipment from being damaged due to earthquake, water hammer, steam hammer, wind load, safe steam exhaust and other impact loads.

The pipeline is laid underground for some enterprises, then petroleum or some high-pressure substances are transmitted, the stability of the pipeline is crucial, the stability of the pipeline directly influences the normal production and operation of the whole equipment, the severe vibration of the pipeline can seriously influence the quality of production and processing, the pipeline can be damaged when a large impact load is received, the generated inertia force can locally damage the pipeline, the pipeline is broken, the dangerous performance is increased, the safety production and the economic benefit of the enterprises are influenced, and even an accident can be caused when the pipeline is serious, so that the pipeline vibration reduction influences important factors of the safety of the whole pipeline, the hydraulic damper can carry out vibration reduction and energy dissipation on the pipeline, and the main tool for pipeline vibration reduction is good in vibration reduction response and vibration reduction performance.

However, the existing pipeline damper has the problems that the pipeline directly contacts with the damper, when severe vibration occurs, impact force generated by the pipeline directly transmits to the damper, and damping plays a role in damping, but the existing damper can only perform damping once, so that the damper can receive large impact force, the service life of the damper is shortened, and the damping principle inside the existing hydraulic damper is that hydraulic oil in a piston cylinder is pushed by a piston to rapidly flow and flows through a damping hole with a small diameter, so that large resistance is generated, damping is realized, the piston rod contacts with the piston cylinder, the piston rod and the piston cylinder are abraded, and the service lives of the piston rod and the piston cylinder are shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multifunctional damper aims at solving the attenuator and can only carry out a shock attenuation to can make the attenuator can receive great impact force, reduce the life of attenuator, piston rod and piston cylinder produce wearing and tearing, reduced the life's of piston rod and piston cylinder problem.

The utility model discloses a realize like this, a multi-functional attenuator includes:

a piston cylinder, a hydraulic groove is arranged in the piston cylinder, hydraulic oil is arranged in the hydraulic groove, a vertical rod is fixedly arranged at a middle shaft at the bottom of the hydraulic groove, the vertical rod can keep verticality when the piston and the piston rod move downwards, the stability of the device is improved, the piston rod is movably arranged at the top of the hydraulic groove, a piston is fixedly arranged at one end of the piston rod, which is positioned in the hydraulic groove, a damping gap is formed between the outer wall of the piston and the inner wall of the hydraulic groove, the damping gap is between 1mm and 1.5mm, the larger the damping gap, the smaller the damping force under the same condition, a conical block is fixedly arranged at the bottom of the piston, the conicity of the inclined plane of the conical block and the inclined plane of the supporting block is equal, the conical block is the position for limiting the piston to descend, and a rod groove is arranged at the bottom of, the vertical rod is positioned in the rod groove, the number of the support blocks is four, a first spring is fixedly mounted at the top of each of the four support blocks, the elastic force of the first spring can bounce the piston, the conical block, the piston rod and a second support block in a free state, the piston is in contact with the stop block due to the elastic force of the first spring, one end, far away from the support block, of the first spring is fixedly mounted at the bottom of the piston, and the piston cylinder is in contact with the piston;

the spring support comprises support columns, the number of the support columns is four, spring holes are formed in the tops of the support columns, spring columns are arranged in the spring holes, a first support block is fixedly mounted at the tops of the spring columns, a second spring is sleeved on the outer wall of each spring column, the upper ends of the second springs are fixedly mounted on the first support block, and the other ends of the second springs are fixedly mounted at the tops of the support columns.

Preferably, the material that is equipped with protection pad in the top recess of supporting shoe one specifically is PVC plastics, and the stable performance of PVC plastics is corrosion-resistant, is difficult for decomposing moreover, and non-deformable, consequently can reduce the wearing and tearing of device and pipeline.

Preferably, the piston rod penetrates through the piston cylinder and extends to one end outside the piston cylinder, and a second supporting block is fixedly installed at one end of the piston rod.

Preferably, the protection pad is arranged in the groove at the top of the second supporting block, and the PVC plastic is stable in performance, corrosion-resistant, not easy to decompose and not easy to deform, so that abrasion between the device and the pipeline can be reduced.

Preferably, the side wall of the bottom of the piston cylinder is fixedly provided with an installation block, the installation block is used for installing the device, and the device is installed around the pipeline through screws.

Preferably, the four support columns are fixedly arranged on the side wall of the piston cylinder.

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

1. the utility model provides a pair of multifunctional damper, through the outer wall erection bracing column at the piston cylinder, then set up on the support column and have elastic supporting shoe one, then contact with the pipeline, support the pipeline, thereby just played the support cushioning effect to the pipeline before the attenuator work, when taking place violent vibrations, the impact force of pipeline can be passed to and has elastic supporting shoe one, thereby carry out the shock attenuation of first time, then the pipeline can contact supporting shoe two, at this moment, the supporting shoe carries out the secondary shock attenuation to the pipeline, through twice shock attenuation, can not only carry out the shock attenuation to the pipeline, and can reduce the wearing and tearing of attenuator inner structure, thereby increase the life of device.

2. The utility model provides a pair of multi-functional attenuator, the diameter through utilizing hydraulic groove in piston and the piston cylinder differs, forms the damping clearance, replaces traditional damping hole to the piston does not contact with the inner wall of piston cylinder, has avoided the wearing and tearing between piston and the piston cylinder, thereby has just improved the life of piston cylinder and piston greatly, the life of improving the device.

3. The utility model provides a pair of multifunctional damper, inner structure is simple, simple to operate moreover.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;

fig. 5 is a schematic view of the structure of the middle part of the present invention.

In the figure: 1-spring column, 2-conical block, 3-spring I, 4-supporting block, 5-mounting block, 6-vertical rod, 7-piston cylinder, 8-stop block, 9-rod groove, 10-supporting column, 11-protective pad, 12-supporting block I, 13-supporting block II, 14-piston rod, 15-spring II, 16-spring hole, 17-hydraulic groove, 18-piston, 19-damping gap and 20-pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a technical solution: through the outer wall installation support column 10 at piston cylinder 7, then set up on support column 10 and have elastic supporting shoe one 12, then contact with pipeline 20, support pipeline 20, thereby just played the support cushioning effect to pipeline 20 before the attenuator work, when taking place violent vibrations, pipeline 20's impact force can reach to have elastic supporting shoe one 12, thereby carry out the shock attenuation for the first time, then pipeline 20 can contact supporting shoe two 13, at this moment, supporting shoe two 13 carries out the secondary shock attenuation to pipeline 20, through twice shock attenuation, can not only carry out the shock attenuation to pipeline 20, and can reduce the wearing and tearing of attenuator inner structure, thereby increase the life of device, the utility model provides a multi-functional attenuator, through utilizing piston 18 and the diameter of hydraulic groove 17 in the piston cylinder 7 to differ, form damping clearance 19, replace traditional damping hole, so that the piston 18 does not contact with the inner wall of the piston cylinder 7, the abrasion between the piston 18 and the piston cylinder 7 is avoided, thereby greatly prolonging the service life of the piston cylinder 7 and the piston 18, and prolonging the service life of the device, the utility model provides a multifunctional damper, which has simple internal structure, convenient installation and convenient maintenance, the utility model is shown in figure 3 in the free state, the piston 18 contacts with the stop block 8 under the action of the spring I3 in the free state, the utility model firstly installs the device on the outer wall of the pipeline 20, installs the installation blocks 5 on the device around the pipeline respectively, installs four devices one by one, the installation position is shown in figure 1, the groove of the supporting block I12 contacts with the outer wall of the pipeline 20, when the installation is finished, in the free state, the device below the pipeline 20 bears the main supporting force, the pipeline 20 is fixed by four devices, the sum of the elastic forces of the four second springs 15 is greater than the gravity of the bearing pipeline 20, so that the second springs 15 only slightly deform under the state of bearing the gravity of the pipeline 20, the deformation can be ignored, when the pipeline 20 is impacted, the sum of the gravity of the pipeline 20 and the impact force of the impact is less than the sum of the elastic forces of the four second springs 15, the second springs 15 only slightly deform, so that the second springs 15 still support the pipeline 20 and play a role in shock absorption, if the sum of the gravity of the pipeline 20 and the impact force of the impact is greater than the sum of the elastic forces of the four second springs 15, the first support blocks 12 rapidly move towards the support columns 10, the second springs 15 deform, the spring columns 1 pass through the spring holes, the device state is shown in figure 4, along with the rapid movement of the first support blocks 12, the pipeline 20 is in contact with the second support blocks 13, and the second support blocks 13 are, install piston 18 and conical block 2 on piston rod 14, because the damping clearance 19 of piston 18 outer wall is 1mm-1.5mm, so when two 13 quick downstream of supporting shoe, hydraulic oil can produce great reverse damping force, reverse damping force can hinder two 13 quick downstream of supporting shoe, consequently piston rod 14 moves down speed will be very slow, thereby throttle pipeline 20 produces great vibration because of violent collision, reduce the amplitude, thereby just reached secondary shock attenuation, the utility model provides a specific structure of multi-functional damper is as follows:

in the embodiment, a hydraulic groove 17 is formed in a piston cylinder 7, hydraulic oil is arranged in the hydraulic groove 17, a vertical rod 6 is fixedly installed at a middle shaft at the bottom of the hydraulic groove 17, the vertical rod 6 is used for keeping the verticality of the piston 18 and the piston rod 14 when the piston 18 and the piston rod 14 move downwards, the stability of the device is improved, the piston rod 17 is movably installed at the top of the hydraulic groove 17, the piston 18 is fixedly installed at one end of the piston rod 14, which is positioned in the hydraulic groove 17, a damping gap 19 is formed between the outer wall of the piston 18 and the inner wall of the hydraulic groove 17, the size of the damping gap 19 is between 1mm and 1.5mm, the larger the damping gap 19 is, the smaller the damping force under the same condition is, a conical block 2 is fixedly installed at the bottom of the piston 18, the conical block 2 has the same taper as that of the inclined surface of the support block 4, the setting of the conical block, the vertical rod 6 is located in the rod groove 9, the supporting blocks 4 are symmetrically installed on the inner wall of the piston cylinder 7, the number of the supporting blocks 4 is four, springs I3 are fixedly installed at the tops of the four supporting blocks 4, the pistons 18, the conical blocks 2, the piston rods 14 and the supporting blocks II 13 can be bounced by the elastic force of the springs I3 in a free state, the pistons 18 are in contact with the check blocks 8 due to the elastic force of the springs I3, one ends, far away from the supporting blocks 4, of the springs I3 are fixedly installed at the bottom of the pistons 18, the check blocks 8 are fixedly installed on the piston cylinder 7 symmetrically, and the check blocks 8 are in contact with.

Further, the quantity of support column 10 is four, the equal fixed mounting of four support columns 10 is on the lateral wall of piston cylinder 7, spring hole 16 has been seted up at the top of four support columns 10, be equipped with spring post 1 in the spring hole 16, the top fixed mounting of spring post 1 has supporting shoe one 12, spring post 1's outer wall has cup jointed spring two 15, spring two 15's upper end fixed mounting is on supporting shoe one 12, other end fixed mounting is at the top of support column 10, spring post 1 mainly used cup joints spring two 15, make spring two 15 when receiving pipeline 20's pressure, can not lean out or collapse, improve spring two 15's stability.

In this embodiment, the top groove of the first support block 12 is provided with a protection pad 11, the protection pad 11 is made of PVC plastic, and the PVC plastic is stable in performance, corrosion-resistant, not easy to decompose and not easy to deform, so that abrasion between the device and the pipeline 20 can be reduced.

Further, the piston rod 14 runs through in the piston cylinder 7 and extends to the one end fixed mounting in the piston cylinder 7 outside has two supporting shoe 13, is equipped with the protection pad 11 in the recess at two supporting shoe 13 tops, and the stable performance of PVC plastics is corrosion-resistant, and difficult decomposition moreover, non-deformable, consequently can reduce the wearing and tearing of device and pipeline 20.

In the present embodiment, the piston rod 14 penetrates the piston cylinder 7, and the second support block 13 is fixedly mounted on one end extending to the outside of the piston cylinder 7.

Further, the side wall of the bottom of the piston cylinder 7 is fixedly provided with a mounting block 5. The mounting block 5 is provided for mounting the device around the pipe 20 with screws.

The utility model discloses a theory of operation and use flow: the free state of the utility model is shown in figure 3, in the free state, the piston 18 contacts with the stop block 8 under the action of the first spring 3, the utility model firstly installs the device on the outer wall of the pipeline 20, the installation blocks 5 on the device are respectively installed around the pipeline, four devices are installed at one position, the installation position is shown in figure 1, the groove of the first support block 12 contacts with the outer wall of the pipeline 20, when the installation is finished, in the free state, the device below the pipeline 20 bears the main supporting force, the pipeline 20 is fixed by four devices, the total elastic force of the second four springs 15 is larger than the gravity bearing the pipeline 20, so the second spring 15 only generates small deformation under the gravity bearing state of the pipeline 20, the deformation can be ignored, when the pipeline 20 generates impact, the gravity of the pipeline 20 and the impact force of the impact force sum if being smaller than the total elastic force of the second four springs 15, the second spring 15 only slightly deforms, so that the second spring 15 still supports the pipeline 20 and plays a role in shock absorption, if the sum of the gravity of the pipeline 20 and the impact force of impact is greater than the sum of the elastic forces of the four second springs 15, the first support block 12 moves rapidly towards the direction of the support column 10, the second spring 15 deforms, the spring column 1 passes through a spring hole, the device state is as shown in fig. 4, along with the rapid movement of the first support block 12, the pipeline 20 is in contact with the second support block 13, the second support block 13 is connected with the piston rod 14, the piston 18 and the conical block 2 are installed on the piston rod 14, as the damping gap 19 of the outer wall of the piston 18 is 1mm-1.5mm, the hydraulic oil can generate a large reverse damping force while the second support block 13 moves rapidly downwards, the reverse damping force can prevent the second support block 13 from moving rapidly downwards, and therefore the piston rod 14 moves slowly downwards, therefore, the large vibration generated by the severe collision of the pipeline 20 is restrained, the amplitude is reduced, and the secondary shock absorption is achieved.

The utility model provides a pair of multi-functional attenuator, through the outer wall installation support column 10 at piston cylinder 7, then set up elastic supporting shoe one 12 on support column 10, then contact with pipeline 20, support pipeline 20, thereby just played the support cushioning effect to pipeline 20 before the attenuator work, when taking place violent vibrations, the impact force of pipeline 20 can pass to elastic supporting shoe one 12, thereby carry out the first shock attenuation, then pipeline 20 can contact supporting shoe two 13, at this moment, pipeline 20 is carried out the secondary shock attenuation to supporting shoe two 13, through twice shock attenuation, can not only carry out the shock attenuation to pipeline 20, and can reduce the wearing and tearing of attenuator inner structure, thereby increase the life of device, the utility model provides a pair of multi-functional attenuator, through utilizing piston 18 and the diameter difference of hydraulic pressure groove 17 in the piston cylinder 7, form damping clearance 19, replace traditional damping hole to piston 18 does not contact with the inner wall of piston cylinder 7, has avoided the wearing and tearing between piston 18 and the piston cylinder 7, thereby has just improved piston cylinder 7 and piston 18's life greatly, the life of improving device, the utility model provides a pair of multi-functional attenuator, inner structure is simple, simple to operate is convenient for maintain moreover.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multi-functional damper, comprising:

a piston cylinder (7), a hydraulic groove (17) is formed in the piston cylinder (7), hydraulic oil is arranged in the hydraulic groove (17), a vertical rod (6) is fixedly arranged at the middle shaft at the bottom of the hydraulic groove (17), a piston rod (14) is movably arranged at the top of the hydraulic groove (17), a piston (18) is fixedly arranged at one end of the piston rod (14) positioned in the hydraulic groove (17), a damping gap (19) is formed between the outer wall of the piston (18) and the inner wall of the hydraulic groove (17), a conical block (2) is fixedly arranged at the bottom of the piston (18), a rod groove (9) is formed at the bottom of the piston rod (14), the vertical rod (6) is positioned in the rod groove (9), supporting blocks (4) are symmetrically arranged on the inner wall of the piston cylinder (7), the number of the supporting blocks (4) is four, and first springs (3) are fixedly arranged at the tops of the supporting blocks (4), one end, far away from the support block (4), of the first spring (3) is fixedly installed at the bottom of the piston (18), stop blocks (8) are symmetrically and fixedly installed on the outer wall of the piston cylinder (7), and the stop blocks (8) are in contact with the piston (18);

the supporting column (10), the quantity of supporting column (10) is four, four spring hole (16) have been seted up at the top of supporting column (10), be equipped with spring post (1) in spring hole (16), the top fixed mounting of spring post (1) has supporting shoe (12), the outer wall of spring post (1) has cup jointed spring two (15), the upper end fixed mounting of spring two (15) is in on supporting shoe (12), other end fixed mounting be in the top of supporting column (10).

2. The multi-functional damper of claim 1, wherein: a protection pad (11) is arranged in a groove in the top of the first support block (12), and the protection pad (11) is made of PVC plastic.

3. The multi-functional damper of claim 1, wherein: and the piston rod (14) penetrates through the piston cylinder (7) and extends to one end of the outer side of the piston cylinder (7) to be fixedly provided with a second supporting block (13).

4. A multi-functional damper as recited in claim 3, wherein: a protection pad (11) is arranged in the groove at the top of the second support block (13), and the protection pad (11) is made of PVC plastic.

5. The multi-functional damper of claim 1, wherein: and the side wall of the bottom of the piston cylinder (7) is fixedly provided with an installation block (5).

6. The multi-functional damper of claim 1, wherein: the four support columns (10) are fixedly arranged on the side wall of the piston cylinder (7).