CN212248236U - Hydraulic hammer with protective structure - Google Patents
Hydraulic hammer with protective structure Download PDFInfo
- Publication number
- CN212248236U CN212248236U CN202020731204.3U CN202020731204U CN212248236U CN 212248236 U CN212248236 U CN 212248236U CN 202020731204 U CN202020731204 U CN 202020731204U CN 212248236 U CN212248236 U CN 212248236U
- Authority
- CN
- China
- Prior art keywords
- hydraulic hammer
- drill rod
- hydraulic
- main body
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a hydraulic hammer with a protective structure, a drill rod of the hydraulic hammer is connected on a main body of the hydraulic hammer in a sliding way, the upper end of the drill rod of the hydraulic hammer extends into the main body of the hydraulic hammer, the main hydraulic oil cylinder is vertically and downwards fixedly arranged in the main body of the hydraulic hammer, the main hydraulic cylinder is provided with a main cylinder telescopic rod, the lower end of the main cylinder telescopic rod is fixedly connected with the upper end of a hydraulic hammer drill rod, the protective sleeve piece is connected to the periphery of the hydraulic hammer drill rod in a sliding manner, the periphery of the protective sleeve piece is connected with the hydraulic hammer main body in a sliding manner, the upper end of the protective sleeve piece extends into the main body of the hydraulic hammer, the mounting seat is fixedly connected in the main body of the hydraulic hammer, the utility model compresses the periphery of the drill rod of the hydraulic hammer by arranging the pressing plate, therefore, the hydraulic hammer drill rod is protected, and the hydraulic hammer drill rod is prevented from being broken due to overlong hydraulic hammer drill rod in the working process.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic hammer, concretely relates to hydraulic hammer with protective structure.
Background
The hydraulic hammer belongs to an impact pile hammer and can be divided into a single-acting type and a double-acting type according to the structure and the working principle. The single-acting type means that the impact hammer core is lifted to a preset height through a hydraulic device and then is released quickly, and the impact hammer core strikes a pile body in a free-falling mode; the double-acting type means that after the impact hammer core is lifted to a preset height through a hydraulic device, acceleration energy is obtained from a hydraulic system to increase impact speed so as to strike a pile body. The existing hydraulic hammer does not generally have a protection structure, and the hydraulic hammer impacts and reversely shakes at high strength during working, so that on one hand, the damage of a drill rod of the hydraulic hammer is easily caused to influence the working, and on the other hand, the damage of the internal structure of the hydraulic hammer is easily caused under the action of impact force, so that the service life of the hydraulic hammer is shortened.
Patent publication No. CN207143949U discloses a hydraulic hammer protection device, which, compared with the present application, cannot solve the problems proposed in the present application: the existing hydraulic hammer does not generally have a protection structure, and the hydraulic hammer impacts and reversely shakes at high strength during working, so that on one hand, the damage of a drill rod of the hydraulic hammer is easily caused to influence the working, and on the other hand, the damage of the internal structure of the hydraulic hammer is easily caused under the action of impact force, so that the service life of the hydraulic hammer is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic hammer with protective structure compresses tightly hydraulic hammer drill rod periphery through setting up the clamp plate, and the clamp plate can not influence normal removal at the elastic action of first spring and connecting rod when hydraulic hammer drill rod reciprocates, ensures the normal work of hydraulic hammer drill rod, compresses tightly hydraulic hammer drill rod periphery through setting up the clamp plate to ensure to play the effect of protection to hydraulic hammer drill rod, prevent to take place the rupture because of hydraulic hammer drill rod overlength in the course of the work.
The purpose of the utility model can be realized by the following technical scheme:
a hydraulic hammer with a protection structure comprises a hydraulic hammer main body, a hydraulic hammer drill rod, a main hydraulic cylinder, a protective sleeve piece, a mounting seat, a connecting block, a fixing plate and a connecting ring plate; the hydraulic hammer drill rod is slidably connected to a hydraulic hammer main body, the upper end of the hydraulic hammer drill rod extends into the hydraulic hammer main body, the main hydraulic cylinder is vertically and downwards fixedly installed inside the hydraulic hammer main body, a main cylinder telescopic rod is arranged on the main hydraulic cylinder, the lower end of the main cylinder telescopic rod is fixedly connected with the upper end of the hydraulic hammer drill rod, the protective sleeve piece is slidably connected to the periphery of the hydraulic hammer drill rod, the periphery of the protective sleeve piece is slidably connected with the hydraulic hammer main body, the upper end of the protective sleeve piece extends into the hydraulic hammer main body, the mounting seat is fixedly connected into the hydraulic hammer main body, an auxiliary hydraulic cylinder is fixedly installed at the lower end of the mounting seat, an auxiliary cylinder telescopic rod is arranged on the auxiliary hydraulic cylinder, the lower end of the auxiliary cylinder telescopic rod is fixedly connected with a connecting block, and the connecting block is fixedly connected to the protective sleeve piece; the utility model discloses a hydraulic hammer drill rod protection device, including lag spare, guide bar lower extreme fixedly connected with guide bar, be provided with the cavity in the lag spare, the fixed link inboard diameter of being provided with connects the ring board in the cavity, connect the ring board internal diameter and be greater than the diameter of hydraulic hammer drill rod, fixed plate fixed connection is in hydraulic hammer drill rod periphery, fixed plate lower extreme fixedly connected with guide bar, the guide bar slides through connection on connecting the ring board, guide bar lower extreme fixedly connected with limit baffle, the guide bar periphery cover is equipped with the second spring, second spring one end links to each other with the fixed plate, the second spring.
Preferably, the lower end of the protective sleeve piece is provided with a pressing groove, the side wall of the pressing groove is provided with a blind hole, the blind hole is connected with a connecting rod in a sliding mode, one end, far away from the blind hole, of the connecting rod is fixedly connected with a pressing plate, a first spring is sleeved on the periphery of the connecting rod, one end of the first spring is connected to the side wall of the pressing groove, and the other end of the first spring is connected with the pressing plate.
Preferably, the pressing plates are arranged in a circumferential array by taking the hydraulic hammer drill rod as a center, the pressing plates are of arc plate structures, and the inner diameter of each pressing plate is equal to the outer diameter of the hydraulic hammer drill rod.
Preferably, the guide rod array is distributed with a plurality of groups, and the effective moving distance of the limit baffle is smaller than the allowable length of the second spring.
The utility model has the advantages that: the main hydraulic cylinder drives the telescopic rod of the main oil cylinder to move up and down, the telescopic rod of the main oil cylinder drives the drill rod of the hydraulic hammer to move up and down to perform hydraulic crushing, when the drill rod of the hydraulic hammer moves up and down, the telescopic rod of the auxiliary oil cylinder drives the telescopic rod of the auxiliary oil cylinder to move up and down, the protective sleeve piece moves along with the drill rod of the hydraulic hammer, the periphery of the drill rod of the hydraulic hammer is compressed by arranging the pressure plate, the pressure plate has the elastic effect on the first spring and the connecting rod, the pressure plate does not influence normal movement when the drill rod of the hydraulic hammer moves up and down, the normal operation of the drill rod of the hydraulic hammer is ensured, the periphery of the drill rod of the hydraulic hammer is compressed by arranging the pressure plate, the drill rod of the hydraulic hammer is protected, the drill rod of the hydraulic hammer is prevented from being broken in the working process due to overlong, when the drill rod of the hydraulic hammer moves down under the action, simultaneously the elastic action of second spring plays the effect of slowing down the impact force to hydraulic hammer drill rod work to effectively play the effect of protection to the hydraulic hammer, limit baffle's displacement is less than the allowable length of second spring, prevents to exceed the allowable length of spring because of displacement is too big, thereby leads to the spring to take place unrecoverable permanent deformation, causes the unable use of spring.
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 view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic view of the position structure of the pressing plate of the present invention;
in the figure: 1. a hydraulic hammer body; 2. a hydraulic hammer drill rod; 3. a main hydraulic cylinder; 4. a main oil cylinder telescopic rod; 5. a protective sheathing member; 51. a cavity; 52. a compaction groove; 53. blind holes; 6. a mounting seat; 7. an auxiliary hydraulic cylinder; 8. the telescopic rod of the auxiliary oil cylinder; 9. connecting blocks; 10. pressing a plate; 11. a connecting rod; 12. a first spring; 13. a fixing plate; 14. a connecting ring plate; 15. a guide bar; 16. a second spring; 17. and a limiting baffle.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a hydraulic hammer with a protective structure includes a hydraulic hammer main body 1, a hydraulic hammer drill rod 2, a main hydraulic cylinder 3, a protective sleeve 5, a mounting seat 6, a connecting block 9, a fixing plate 13 and a connecting ring plate 14; the hydraulic hammer drill rod 2 is connected onto a hydraulic hammer main body 1 in a sliding mode, the upper end of the hydraulic hammer drill rod 2 extends into the hydraulic hammer main body 1, a main hydraulic cylinder 3 is vertically and downwards fixedly installed inside the hydraulic hammer main body 1, a main cylinder telescopic rod 4 is arranged on the main hydraulic cylinder 3, the lower end of the main cylinder telescopic rod 4 is fixedly connected with the upper end of the hydraulic hammer drill rod 2, a protective sleeve piece 5 is connected to the periphery of the hydraulic hammer drill rod 2 in a sliding mode, the periphery of the protective sleeve piece 5 is connected with the hydraulic hammer main body 1 in a sliding mode, the upper end of the protective sleeve piece 5 extends into the hydraulic hammer main body 1, a mounting seat 6 is fixedly connected into the hydraulic hammer main body 1, an auxiliary hydraulic cylinder 7 is fixedly installed at the lower end of the mounting seat 6, an auxiliary cylinder telescopic rod 8 is arranged on the auxiliary hydraulic cylinder 7, the lower end of the auxiliary cylinder telescopic rod 8; the protective sleeve piece 5 is internally provided with a cavity 51, a connecting ring plate 14 is fixedly arranged in the cavity 51, the inner diameter of the connecting ring plate 14 is larger than the diameter of the hydraulic hammer drill rod 2, a fixing plate 13 is fixedly connected to the periphery of the hydraulic hammer drill rod 2, a guide rod 15 is fixedly connected to the lower end of the fixing plate 13, the guide rod 15 is connected to the connecting ring plate 14 in a sliding and penetrating manner, a limit baffle 17 is fixedly connected to the lower end of the guide rod 15, a second spring 16 is sleeved on the periphery of the guide rod 15, one end of the second spring 16 is connected with the fixing plate 13, and the other end of the second spring 16 is.
The lower end of the protective sleeve piece 5 is provided with a pressing groove 52, a blind hole 53 is formed in the side wall of the pressing groove 52, a connecting rod 11 is connected to the blind hole 53 in a sliding mode, one end of the connecting rod 11, which is far away from the blind hole 53, is fixedly connected with a pressing plate 10, a first spring 12 is sleeved on the periphery of the connecting rod 11, one end of the first spring 12 is connected to the side wall of the pressing groove 52, the other end of the first spring 12 is connected with the pressing plate 10, the periphery of the hydraulic hammer drill rod 2 is pressed through the pressing plate 10, the pressing plate 10 plays a role in elasticity of the first spring 12 and the connecting rod 11, the pressing plate 10 cannot influence normal movement when the hydraulic hammer drill rod 2 moves up and down, normal work of the hydraulic hammer drill rod 2 is ensured, the periphery of the hydraulic hammer drill rod 2 is pressed through the pressing plate 10, accordingly, the hydraulic hammer drill rod.
The pressing plate 10 is provided with a plurality of groups by taking the hydraulic hammer drill rod 2 as a central circumferential array, the pressing plate 10 is of an arc plate structure, the inner diameter of the pressing plate 10 is equal to the outer diameter of the hydraulic hammer drill rod 2, the pressing plate 10 plays a role in protecting the hydraulic hammer drill rod 2, the inner diameter of the pressing plate 10 is equal to the outer diameter of the hydraulic hammer drill rod 2, and the pressing plate 10 is ensured to be tightly attached to the periphery of the hydraulic hammer drill rod 2, so that the protection effect is improved.
The guide rods 15 are distributed in multiple groups in an array mode, the effective moving distance of the limit baffle 17 is smaller than the allowable length of the second spring 16, the guide rods 15 play a role in guiding and positioning the hydraulic hammer drill rod 2 in an up-down moving mode, the moving distance of the limit baffle 17 is smaller than the allowable length of the second spring 16, and the situation that the moving distance exceeds the allowable length of the spring due to the fact that the moving distance is too large, and therefore the spring cannot be used due to the fact that the spring cannot be restored to be permanently deformed is avoided.
When the utility model is used, the main hydraulic cylinder 3 works to drive the main cylinder telescopic rod 4 to move up and down, the hydraulic hammer drill rod 2 is driven to move up and down through the main cylinder telescopic rod 4 to perform hydraulic crushing work, when the hydraulic hammer drill rod 2 moves up and down, the auxiliary hydraulic cylinder 7 drives the auxiliary cylinder telescopic rod 8 to move up and down, the protective sleeve part 5 moves along with the hydraulic hammer drill rod 2, the periphery of the hydraulic hammer drill rod 2 is compressed through the pressing plate 10, the pressing plate 10 has the elastic action of the first spring 12 and the connecting rod 11, the pressing plate 10 can not influence the normal movement when the hydraulic hammer drill rod 2 moves up and down, the normal work of the hydraulic hammer drill rod 2 is ensured, the periphery of the hydraulic hammer drill rod 2 is compressed through the pressing plate 10, thereby the hydraulic hammer drill rod 2 is ensured to be protected, the hydraulic hammer drill rod 2 is prevented from being broken in the overlong working process due to the hydraulic hammer drill rod 2, when the hydraulic hammer drill rod 2 moves downwards under the action of the, the guide rod 15 reciprocates to hydraulic hammer drill rod 2 and plays guiding orientation's effect, and the elastic action of second spring 16 plays the effect of slowing down the impact force to hydraulic hammer drill rod 2 work simultaneously to effectively play the effect of protection to the hydraulic hammer, limit baffle 17's displacement is less than the allowable length of second spring 16, prevent to exceed the allowable length of spring because of the displacement is too big, thereby lead to the spring to take place unrecoverable permanent deformation, cause the unable use of spring.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A hydraulic hammer with a protection structure is characterized by comprising a hydraulic hammer main body (1), a hydraulic hammer drill rod (2), a main hydraulic cylinder (3), a protection sleeve piece (5), a mounting seat (6), a connecting block (9), a fixing plate (13) and a connecting ring plate (14); the hydraulic hammer drill rod (2) is connected to the hydraulic hammer main body (1) in a sliding mode, the upper end of the hydraulic hammer drill rod (2) extends into the hydraulic hammer main body (1), the main hydraulic cylinder (3) is vertically and downwards fixedly installed inside the hydraulic hammer main body (1), a main cylinder telescopic rod (4) is arranged on the main hydraulic cylinder (3), the lower end of the main cylinder telescopic rod (4) is fixedly connected with the upper end of the hydraulic hammer drill rod (2), the protective sleeve piece (5) is connected to the periphery of the hydraulic hammer drill rod (2) in a sliding mode, the periphery of the protective sleeve piece (5) is connected to the hydraulic hammer main body (1) in a sliding mode, the upper end of the protective sleeve piece (5) extends into the hydraulic hammer main body (1), the mounting seat (6) is fixedly connected to the hydraulic hammer main body (1), an auxiliary hydraulic cylinder (7) is fixedly installed at the lower end of the mounting seat (6), and an auxiliary cylinder telescopic rod (8) is arranged on the auxiliary hydraulic cylinder (7), the lower end of the telescopic rod (8) of the auxiliary oil cylinder is fixedly connected with a connecting block (9), and the connecting block (9) is fixedly connected to the protective sleeve (5); be provided with cavity (51) in the protection cover spare (5), cavity (51) internal fixation is provided with connecting ring board (14), connecting ring board (14) internal diameter is greater than the diameter of hydraulic hammer drill rod (2), fixed plate (13) fixed connection is in hydraulic hammer drill rod (2) periphery, fixed plate (13) lower extreme fixedly connected with guide bar (15), guide bar (15) slip through connection is on connecting ring board (14), guide bar (15) lower extreme fixedly connected with limit baffle (17), guide bar (15) periphery cover is equipped with second spring (16), second spring (16) one end links to each other with fixed plate (13), the second spring (16) other end links to each other with connecting ring board (14).
2. The hydraulic hammer with the protection structure is characterized in that a pressing groove (52) is formed in the lower end of the protection sleeve member (5), a blind hole (53) is formed in the side wall of the pressing groove (52), a connecting rod (11) is connected onto the blind hole (53) in a sliding mode, a pressing plate (10) is fixedly connected to one end, away from the blind hole (53), of the connecting rod (11), a first spring (12) is sleeved on the periphery of the connecting rod (11), one end of the first spring (12) is connected onto the side wall of the pressing groove (52), and the other end of the first spring (12) is connected with the pressing plate (10).
3. The hydraulic hammer with the protection structure is characterized in that the pressure plates (10) are arranged in a plurality of groups in a circumferential array by taking the hydraulic hammer drill rod (2) as a center, the pressure plates (10) are in an arc plate structure, and the inner diameter of each pressure plate (10) is equal to the outer diameter of the hydraulic hammer drill rod (2).
4. A hydraulic hammer with a shelter structure as claimed in claim 1, characterized in that said guide rods (15) are distributed in an array of groups, the effective travel distance of said limit stop (17) being less than the allowed length of the second spring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731204.3U CN212248236U (en) | 2020-05-06 | 2020-05-06 | Hydraulic hammer with protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020731204.3U CN212248236U (en) | 2020-05-06 | 2020-05-06 | Hydraulic hammer with protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212248236U true CN212248236U (en) | 2020-12-29 |
Family
ID=73998557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020731204.3U Expired - Fee Related CN212248236U (en) | 2020-05-06 | 2020-05-06 | Hydraulic hammer with protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212248236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977548A (en) * | 2021-10-27 | 2022-01-28 | 杭州宏德智能装备科技有限公司 | Multifunctional environment-friendly dismantling robot |
-
2020
- 2020-05-06 CN CN202020731204.3U patent/CN212248236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977548A (en) * | 2021-10-27 | 2022-01-28 | 杭州宏德智能装备科技有限公司 | Multifunctional environment-friendly dismantling robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106930267A (en) | Hydraulic pressure tamping unit and hydraulic pressure beater | |
| CA2823796C (en) | Post driver with limited movement floating post anvil | |
| CN212248236U (en) | Hydraulic hammer with protective structure | |
| CN212248237U (en) | Hydraulic hammer with protective structure | |
| CN210949367U (en) | Oil cylinder with protection device | |
| CN210178684U (en) | Buffer mechanism of hydraulic cylinder | |
| CN210710466U (en) | Construction crane with anticollision function | |
| CN210031800U (en) | Buffer gear of pile driver | |
| CN213926256U (en) | Pile driver for construction | |
| CN213410270U (en) | Mould is used in preparation of disc cutter ring | |
| CN102635106A (en) | Dynamic compaction buffer damping method of crawler crane | |
| CN202730762U (en) | Pile gripper special for concrete pre-cast pile | |
| CN211202481U (en) | Damage-proof hydraulic oil cylinder | |
| CN201907106U (en) | Portable manual impact pickax | |
| CN210289379U (en) | Protective guard for engineering safety | |
| CN107724390B (en) | Hydraulic pile driving hammer | |
| CN107500079A (en) | A kind of buffer of elevator | |
| CN213947505U (en) | Frame hydraulic press suitable for interior fabric | |
| CN111958641A (en) | Anti-collision protection device of end effector | |
| CN219279316U (en) | Stop buffer structure of crane | |
| CN221064278U (en) | Hydraulic hammer anti-impact device | |
| CN213645888U (en) | Outer protection sheet metal component of numerical control lathe | |
| CN212441330U (en) | Hydraulic hammer anti-impact device | |
| CN202100640U (en) | X-shaped steel wire isolator | |
| CN219592519U (en) | Anti-damage structure of monitoring probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |