CN112096773A - Buffering energy absorption device, suspension cable type crossing frame and working method thereof - Google Patents
Buffering energy absorption device, suspension cable type crossing frame and working method thereof Download PDFInfo
- Publication number
- CN112096773A CN112096773A CN201910524734.2A CN201910524734A CN112096773A CN 112096773 A CN112096773 A CN 112096773A CN 201910524734 A CN201910524734 A CN 201910524734A CN 112096773 A CN112096773 A CN 112096773A
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- sleeve
- main rod
- energy
- absorbing device
- buffering
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010521 absorption reaction Methods 0.000 title claims description 16
- 239000000725 suspension Substances 0.000 title abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims 2
- 230000004913 activation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a buffering energy-absorbing device, a suspension cable type crossing frame and a working method thereof, wherein the buffering energy-absorbing device comprises a main rod, a sleeve and an elastic component; the main rod is a conical boss; the sleeve is with mobile jib complex hollow structure, includes: the outer diameter of the first part is smaller than that of the second part; the first part of the sleeve is sleeved at the narrow part of the main rod, and the circumference side of the sleeve is provided with an elastic tightening piece; the second part of the sleeve is sleeved with the wide part of the main rod through the elastic component, and the buffering energy-absorbing device and the suspension cable type crossing frame provided by the invention have the advantages of good impact resistance, simple structure and working method and reduced engineering cost.
Description
Technical Field
The invention relates to a buffering and energy-absorbing device of a power transmission line, in particular to a buffering and energy-absorbing device, a suspension cable type crossing frame and a working method of the suspension cable type crossing frame.
Background
In the construction of the power transmission line, the construction of the crossing stringing has the characteristics of multiple dangerous points, complex construction environment and the like. At present, the mode of erecting a spanning frame is generally adopted to protect the safety of the spanned object, wherein the use of the suspension spanning frame accounts for the maximum and the widest coverage in the spanning construction. The bearing cable is a key structure of the suspension cable type crossing frame, a braided fiber rope is generally adopted as the bearing cable, large-section wires (such as 1250mm2 and 1660mm2) are put into use successively along with the rapid development of extra-high voltage engineering construction, the impact load of the wires is also obviously increased under the accident working condition, aiming at the large-section wires, under the premise that the specification of the bearing cable rope is not improved, the impact resistance of the traditional suspension cable type crossing frame is obviously insufficient, and the prior art cannot meet the requirement of the impact resistance of the large-section wires.
Disclosure of Invention
In order to make up the deficiency of the impact resistance of the prior art, the invention discloses a buffering energy-absorbing device, a suspension cable type crossing frame and a working method thereof, and the invention is realized by adopting the following technical scheme:
a buffering energy-absorbing device comprises a main rod, a sleeve and an elastic component;
the main rod is a conical boss;
the sleeve be with mobile jib complex hollow structure includes: a first portion and a second portion, and the first portion has an outer diameter less than the second portion outer diameter;
the first part of the sleeve is sleeved at the narrow part of the main rod, and an elastic tightening piece is arranged on the circumference side of the sleeve;
the sleeve second portion is sleeved with the main rod wide portion through an elastic component.
Further, the elastic grip member includes: a clamp and a locking spring;
the clamp is formed by connecting 4 sections at least, and two adjacent sections are connected by a locking spring.
Further, be equipped with the recess that matches with the clamp on the sleeve first part, the clamp set up in the recess.
Further, the second part of the sleeve comprises an annular sleeve end cover, a support rod and a fixing plate;
the main rod comprises a main rod end cover which is positioned on the bottom surface of the wide part of the main rod;
the support rod penetrates through the main rod end cover around the main rod;
the sleeve end cover is arranged on the bottom surface of the first part and is connected with the fixing plate through the supporting rod.
Further, the elastic component is wound on the support rod.
Further, the number of elastic components is at least 4.
Further, the number of the elastic components is 8.
Furthermore, the outer end face of the fixed plate and the narrow end face of the main rod are respectively provided with a connecting lifting ring.
A suspended span comprising: at least two bearing ropes and the buffering energy-absorbing device;
the buffering energy absorption device is connected in series between the bearing ropes.
Further, the device also comprises a temporary cross beam and an insulating net;
the temporary cross beams are fixed on the power transmission iron tower, two ends of a bearing cable connected with the buffering energy-absorbing device in series are respectively hung on the two temporary cross beams, and the insulating net is laid on the bearing cable.
A method of operating a suspended span, comprising: the buffering energy absorption device is connected in series between the bearing ropes;
adjusting the tension of the elastic tightening part based on the anti-lock requirement;
when the tension of the bearing rope reaches the starting threshold of the buffering energy-absorbing device, the elastic assembly between the sleeve and the main rod is compressed, sliding friction occurs between the main rod and the sleeve, and the positive pressure of the elastic clamping piece on the sleeve is increased along with the increase of the friction force, so that energy absorption is realized; when the tension of the bearing rope is smaller than the starting threshold of the buffering energy-absorbing device, the buffering energy-absorbing device is equivalent to a rigid connecting rod piece and does not deform or absorb energy through friction.
Further, when the tension of the carrying cable reaches the starting threshold of the buffering energy-absorbing device, the elastic component between the sleeve and the main rod is compressed, and the method comprises the following steps: the sleeve lifting ring and the main rod lifting ring respectively drive the sleeve and the main rod to move in opposite directions under the tension action of the bearing rope, so that the elastic assembly between the sleeve end cover and the main rod end cover is compressed.
Further, sliding friction occurs between the main rod and the sleeve, and as the friction force increases, the increase of the positive pressure of the elastic clamping piece on the sleeve comprises: telescopic first part is in elastic component drives down to the wide part of mobile jib toper boss structure removes, along with the mobile jib internal diameter increases, the mobile jib surface with sleeve internal surface friction increases, locates the intraoral clamp pressure increase of sleeve opening connects the locking spring of clamp and is used for adjusting the tensile force.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
(1) the invention combines two mixed energy absorption methods, namely spring deformation energy absorption and friction energy absorption, has good energy absorption effect, can greatly reduce the peak tension applied to the bearing cable under the action of bearing the impact load of the lead, improves the impact resistance of the key structure of the suspension cable type crossing frame, and ensures the crossing construction safety.
(2) The invention adopts the rod sleeve structure, has simple structure, is easy to process and install and has simple working method.
(3) The invention effectively utilizes the fiber rope on the premise of not increasing the specifications of the bearing rope and the net sealing rope of the suspension type crossing frame, improves the shock resistance of the suspension type crossing frame and saves resources and cost.
Drawings
FIG. 1: the invention provides a schematic diagram of a suspension crossing frame;
FIG. 2: the invention provides a buffer energy-absorbing device for a suspension cable type crossing frame;
FIG. 3: the invention provides a front view of a buffering energy-absorbing device for a suspension cable type crossing frame;
FIG. 4: the invention provides a schematic diagram of a main rod of a buffering energy-absorbing device;
FIG. 5: the invention provides a schematic diagram of a sleeve of a buffering energy-absorbing device;
FIG. 6: the invention provides a schematic diagram of an elastic tightening piece of a buffering energy-absorbing device.
1, a main rod; 2, end covers of the main rod; 3, an energy absorbing spring; 4, a sleeve end cover; 5, clamping a hoop; 6 locking the spring; 7, a sleeve; 8, connecting a lifting ring; a, conducting wires; b, pulling a plate; c, pulling the rope; d, a power transmission iron tower; e, carrying a cable; f, insulating net; g, buffering and energy absorbing devices; h is spanned.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings.
Example 1
A buffering and energy-absorbing device for a suspension cable type crossing frame is shown in figures 2-3 and comprises a main rod 1, a sleeve and an elastic component; the main rod 1 is a conical boss as shown in fig. 4; the sleeve 7, as shown in fig. 5, is a hollow structure cooperating with the main rod 1, and comprises: a first portion and a second portion, the first portion having an outer diameter less than the outer diameter of the second portion; the first part of the sleeve 7 is sleeved at the narrow part of the main rod 1, and the circumference side is provided with an elastic tightening piece; the second part of the sleeve 7 is sleeved with the wide part of the main rod 1 through an elastic component. The elastic grip member is shown in figure 6 and comprises: a clamp 5 and a locking spring 6; the clamp 5 is formed by connecting at least 4 sections, and two adjacent sections are connected by a locking spring 6. The sleeve 7 is provided with a groove matched with the hoop 5 on the first part, and the hoop 5 is arranged in the groove. The second part of the sleeve 7 comprises an annular sleeve end cover 4, a support rod and a fixing plate; the main rod 1 comprises a main rod end cover 2, and the main rod end cover 2 is positioned on the bottom surface of the wide part of the main rod 1; the support rod is arranged around the main rod 1 and penetrates through the main rod end cover 2; the sleeve end cover 4 is arranged on the bottom surface of the first part and is connected with the fixing plate through a support rod. The elastic component is wound on the support rod. The elastic assembly comprises a number 8 of energy absorbing springs 3. The outer end face of the fixed plate and the narrow end face of the main rod 1 are respectively provided with a connecting lifting ring 8.
Example 2
A suspension type spanning frame shown in fig. 1, which is located on a spanned object h, comprises: the energy-absorbing device comprises at least two bearing cables e, a temporary cross beam, an insulating net f and a buffering energy-absorbing device g for a suspension cable type crossing frame; the temporary cross beams are fixed on a power transmission iron tower d, two ends of a bearing cable e are respectively suspended on the two temporary cross beams, an insulating net f is laid on the bearing cable e, and a buffering energy absorption device g is connected between the bearing cables e in series. The traction rope c is connected with the lead a through the traction plate b, and the traction rope c, the lead a and the lead are positioned above the suspension cable type crossing frame.
The buffering energy-absorbing device g is connected in series with a bearing cable e of the suspension cable type crossing frame, when an accident working condition occurs, the tension of the bearing cable e is increased, the process of the tension increase is a process changing along with time, and when the tension of the bearing cable e is smaller than a starting threshold value of the buffering energy-absorbing device g, the buffering energy-absorbing device g is equivalent to a rigid connecting rod piece and cannot deform or absorb energy through friction; when the tension of the bearing rope e reaches a starting threshold value, the bearing rope e acts on the two connecting lifting rings respectively, the main rod 1 and the sleeve 7 of the buffering energy absorption device g move relatively, the sleeve end cover 4 and the main rod end cover 2 compress the energy absorption spring 3 to deform, meanwhile, the main rod 1 and the sleeve 7 slide relatively, when the rod sleeve slides relatively, the outer surface of the main rod 1 and the inner surface of the sleeve 7 start to contact and extrude with each other, two surfaces slide relatively to rub, 4 openings are formed in the sleeve 7, the deformable hoop 5 is designed to be installed in the opening of the sleeve 7 independently, and the hoop 5 is formed by connecting 4 sections, as shown in fig. 6. Big when mobile jib 1 and sleeve 7 relative slip are big more, clamp 5 is big more to sleeve 7's normal pressure, and the frictional force of production is big more, and clamp 5 designs into deformable function, can prevent effectively that the chucking locking phenomenon from appearing with mobile jib 1 surface in clamp 5, and the locking spring 6 of clamp 5's tensile force accessible clamp 5 outer end is adjusted.
Example 3
This example provides an explanation of the operation method of examples 1 and 2, but the specific operation method of examples 1 and 2 is not limited to this example; the energy absorbing and buffering device of embodiment 1 between the load carrying cables; adjusting the tension of the elastic tightening part based on the anti-lock requirement; when the tension of the bearing rope reaches the starting threshold of the buffering energy-absorbing device, the elastic assembly between the sleeve and the main rod is compressed, sliding friction occurs between the main rod and the sleeve, and the positive pressure of the elastic clamping piece on the sleeve is increased along with the increase of the friction force, so that energy absorption is realized; when the tension of the bearing rope is smaller than the starting threshold of the buffering energy-absorbing device, the buffering energy-absorbing device is equivalent to a rigid connecting rod piece and does not deform or absorb energy through friction. When the tensile force of the bearing rope reaches the starting threshold value of the buffering energy-absorbing device, the elastic assembly between the sleeve and the main rod is compressed, and the method specifically comprises the following steps: the sleeve lifting ring and the main rod lifting ring respectively drive the sleeve and the main rod to move in opposite directions under the tension action of the bearing rope, so that the elastic assembly between the sleeve end cover and the main rod end cover is compressed. The mobile jib with take place sliding friction between the sleeve, along with frictional force increase, elasticity cramp spare is right telescopic normal pressure increase specifically includes: telescopic first part is in elastic component drives down to the wide portion of mobile jib toper boss structure removes, along with the mobile jib internal diameter increases, the mobile jib surface with sleeve internal surface friction increases, locates the intraoral clamp pressure increase of sleeve opening connects the locking spring of clamp and is used for adjusting the tensile force.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
Claims (13)
1. A buffering energy-absorbing device is characterized by comprising a main rod, a sleeve and an elastic component;
the main rod is a conical boss;
the sleeve be with mobile jib complex hollow structure includes: a first portion and a second portion, and the first portion has an outer diameter less than the second portion outer diameter;
the first part of the sleeve is sleeved at the narrow part of the main rod, and an elastic tightening piece is arranged on the circumference side of the sleeve;
the sleeve second portion is sleeved with the main rod wide portion through an elastic component.
2. The energy absorbing bumper of claim 1, wherein the elastic cuff member comprises: a clamp and a locking spring;
the clamp is formed by connecting 4 sections at least, and two adjacent sections are connected by a locking spring.
3. The energy absorber of claim 2, wherein the first portion of the sleeve has a recess therein for receiving the clip, the clip being disposed in the recess.
4. The energy absorber of claim 3, wherein the sleeve second portion includes an annular sleeve end cap, a support rod, and a mounting plate;
the main rod comprises a main rod end cover which is positioned on the bottom surface of the wide part of the main rod;
the support rod penetrates through the main rod end cover around the main rod;
the sleeve end cover is arranged on the bottom surface of the first part and is connected with the fixing plate through the supporting rod.
5. The device of claim 4, wherein the elastomeric member is disposed about the strut.
6. A device according to claim 5 wherein said elastomeric members are at least 4 in number.
7. A device according to claim 6 wherein the number of said elastomeric members is 8.
8. The energy absorbing and buffering device as claimed in claim 4, wherein the outer end face of the fixing plate and the narrow end face of the main rod are respectively provided with a connecting ring.
9. A suspended span structure, comprising: at least two load bearing ropes and the buffering and energy absorbing device of any one of the claims 1-8;
the buffering energy absorption device is connected in series between the bearing ropes.
10. The suspended span structure of claim 9, further comprising temporary cross members and insulating mesh;
the temporary cross beams are fixed on the power transmission iron tower, two ends of a bearing cable connected with the buffering energy-absorbing device in series are respectively hung on the two temporary cross beams, and the insulating net is laid on the bearing cable.
11. A method of operating a suspended span, comprising:
connecting the buffering energy absorbing device as described in any one of claims 1-8 in series between the load bearing ropes;
adjusting the tension of the elastic tightening part based on the anti-lock requirement;
when the tension of the bearing rope reaches the starting threshold of the buffering energy-absorbing device, the elastic assembly between the sleeve and the main rod is compressed, sliding friction occurs between the main rod and the sleeve, and the positive pressure of the elastic clamping piece on the sleeve is increased along with the increase of the friction force, so that energy absorption is realized; when the tension of the bearing rope is smaller than the starting threshold of the buffering energy-absorbing device, the buffering energy-absorbing device is equivalent to a rigid connecting rod piece and does not deform or absorb energy through friction.
12. The method of claim 11, wherein the compressing the resilient member between the sleeve and the primary shaft when the load cable tension reaches an activation threshold of the energy absorption bumper system comprises: the sleeve lifting ring and the main rod lifting ring respectively drive the sleeve and the main rod to move in opposite directions under the tension action of the bearing rope, so that the elastic assembly between the sleeve end cover and the main rod end cover is compressed.
13. The method of claim 11, wherein the friction between the rod and the sleeve is increased, and the increased positive pressure of the resilient tension member on the sleeve comprises: telescopic first part is in elastic component drives down to the wide part of mobile jib toper boss structure removes, along with the mobile jib internal diameter increases, the mobile jib surface with sleeve internal surface friction increases, locates the intraoral clamp pressure increase of sleeve opening connects the locking spring of clamp and is used for adjusting the tensile force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524734.2A CN112096773B (en) | 2019-06-18 | 2019-06-18 | Buffering and energy-absorbing device, suspension cable type crossing frame and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524734.2A CN112096773B (en) | 2019-06-18 | 2019-06-18 | Buffering and energy-absorbing device, suspension cable type crossing frame and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112096773A true CN112096773A (en) | 2020-12-18 |
| CN112096773B CN112096773B (en) | 2024-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910524734.2A Active CN112096773B (en) | 2019-06-18 | 2019-06-18 | Buffering and energy-absorbing device, suspension cable type crossing frame and working method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112096773B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2752149A (en) * | 1949-10-07 | 1956-06-26 | Gomma Antivibranti Applic | Shock absorber for motor vehicles with self regulating sliding friction |
| GB1437739A (en) * | 1974-02-27 | 1976-06-03 | Sherman Universal Corp | Shock absorbing bumper mount |
| GB2281114A (en) * | 1993-08-16 | 1995-02-22 | Urzadzen Mechanicznych Kamax S | Buffer |
| JP2002199569A (en) * | 2000-12-22 | 2002-07-12 | Tomoe Giken:Kk | Cable tension adjusting tool |
| CN102182478A (en) * | 2011-05-16 | 2011-09-14 | 辽宁工程技术大学 | Fast wave eliminating/energy dissipating/cushioning device for mining |
| CN202322132U (en) * | 2011-12-05 | 2012-07-11 | 中联重科股份有限公司 | Crane and arm support backward tilting prevention protection device thereof |
| CN206894144U (en) * | 2017-07-11 | 2018-01-16 | 郭若鹏 | A kind of across obstacle Poling Construction protection structure based on multiple-protection |
| CN206972817U (en) * | 2017-01-04 | 2018-02-06 | 西北工业大学 | A kind of spring air damper |
| CN210769988U (en) * | 2019-06-18 | 2020-06-16 | 中国电力科学研究院有限公司 | Buffering energy-absorbing device and suspension cable type crossing structure |
-
2019
- 2019-06-18 CN CN201910524734.2A patent/CN112096773B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2752149A (en) * | 1949-10-07 | 1956-06-26 | Gomma Antivibranti Applic | Shock absorber for motor vehicles with self regulating sliding friction |
| GB1437739A (en) * | 1974-02-27 | 1976-06-03 | Sherman Universal Corp | Shock absorbing bumper mount |
| GB2281114A (en) * | 1993-08-16 | 1995-02-22 | Urzadzen Mechanicznych Kamax S | Buffer |
| JP2002199569A (en) * | 2000-12-22 | 2002-07-12 | Tomoe Giken:Kk | Cable tension adjusting tool |
| CN102182478A (en) * | 2011-05-16 | 2011-09-14 | 辽宁工程技术大学 | Fast wave eliminating/energy dissipating/cushioning device for mining |
| CN202322132U (en) * | 2011-12-05 | 2012-07-11 | 中联重科股份有限公司 | Crane and arm support backward tilting prevention protection device thereof |
| CN206972817U (en) * | 2017-01-04 | 2018-02-06 | 西北工业大学 | A kind of spring air damper |
| CN206894144U (en) * | 2017-07-11 | 2018-01-16 | 郭若鹏 | A kind of across obstacle Poling Construction protection structure based on multiple-protection |
| CN210769988U (en) * | 2019-06-18 | 2020-06-16 | 中国电力科学研究院有限公司 | Buffering energy-absorbing device and suspension cable type crossing structure |
Non-Patent Citations (1)
| Title |
|---|
| 夏拥军，胡院生，万建成等: "导线冲击悬索式跨越架的动力学分析研究", 机械设计, vol. 35, 31 August 2018 (2018-08-31), pages 137 - 141 * |
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| Publication number | Publication date |
|---|---|
| CN112096773B (en) | 2024-09-03 |
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