CN101929156B - Guide rod type diesel pile hammer with vertical landing gear - Google Patents
Guide rod type diesel pile hammer with vertical landing gear Download PDFInfo
- Publication number
- CN101929156B CN101929156B CN2010102749810A CN201010274981A CN101929156B CN 101929156 B CN101929156 B CN 101929156B CN 2010102749810 A CN2010102749810 A CN 2010102749810A CN 201010274981 A CN201010274981 A CN 201010274981A CN 101929156 B CN101929156 B CN 101929156B
- Authority
- CN
- China
- Prior art keywords
- hammer
- guide rod
- hook
- undercarriage
- cylinder
- 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.)
- Active
Links
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a guide rod type diesel pile hammer with a vertical landing gear, which comprises a top transverse beam, a guide rod, a cylinder hammer and a piston, wherein the top transverse beam and the piston are respectively installed on the upper and the lower ends of the guide rod; the cylinder hammer can slide upwards and downwards along the guide rod; a landing gear is vertically arranged outside the cylinder hammer, and is provided with a lifting hook and a hammer lifting hook; the hammer lifting hook corresponds to a cylinder hammer hook groove on the cylinder hammer, and is connected with a link mechanism of the hammer lifting hook; and a decoupling stop block and a hammer hooking stop block are fixedly connected between the top transverse beam and the piston. The pile hammer has the advantages of completely preventing the landing gear from colliding with the cylinder hammer and the top transverse beam in a work process, automatically hooking and decoupling the landing gear and facilitating the operation.
Description
Technical field
The present invention relates to construction foundation working and use equipment, more particularly, relate to the undercarriage of guide rod type diesel pile hammer.
Background technology
Guide rod type diesel pile hammer (hereinafter to be referred as pile hammer) is a kind of building foundation engineering pile driving equipment since its to have impact force big, high efficiency, good reliability uses advantage such as easy to maintenance and is used widely.Existing pile hammer is by compositions such as head piece, undercarriage, cylinder hammer, piston, guide rod and oil piping systems; Head piece, piston are individually fixed in the upper and lower side of guide rod; Undercarriage, cylinder hammer are all between guide rod middle part, head piece and piston; And be that guiding moves up and down with the guide rod, undercarriage is on the cylinder hammer.
During the pile hammer starting, undercarriage falls along guide rod, goes up the plane with the cylinder hammer and collides; The hammer hook of undercarriage below hooks the bearing pin in the cylinder hammer simultaneously, through external force (hoist engine of pile driving frame) undercarriage and cylinder hammer is upwards mentioned simultaneously then, after reaching a certain height; Unhook lever on the external force pulling undercarriage makes the hammer hook of undercarriage below separate with bearing pin in the cylinder hammer, and the cylinder hammer freely falls; Cylinder escutcheon in the cylinder hammer is gone into the piston with piston ring, and the gas in the cylinder is by piston ring packing, and the cylinder hammer moves downward more; Gas pressure in the cylinder is big more, and the temperature of gas is just high more.When reaching certain pressure and temperature, high pressure fuel sprays in the cylinder after atomizing through atomizer, with Compressed Gas mixing after-explosion; Huge explosive force is thrown off piston and cylinder hammer; Piston moves downward, and stake is sent down, after cylinder hammer moves up to certain altitude and reaches certain potential energy; Freely fall again and move downward, and get into next operation cycle.When the needs pile hammer is shut down, only need close throttle; When needs promoted or fall pile hammer, external force (hoist engine on the pile driving frame) was upwards drawn undercarriage, and the last plane of undercarriage is contacted with the lower plane of head piece, then with pile hammer one lifting.The undercarriage major function: the one, be used for the starting of pile hammer, the 2nd, the whole pile hammer of going up and down.
Because undercarriage is between head piece and cylinder hammer in existing pile hammer, thereby has following defective in actual use: the one, the bad control of spacing between undercarriage and the spring cylinder hammer is owing to undercarriage and cylinder are hammered into shape and be in the same vertical working face; When the fuel feeding throttle operation not at that time, the spring straight up after blast of cylinder hammer can be bumped against with undercarriage again, causes " hanging the pin phenomenon "; Be after the cylinder hammer bumps against with undercarriage is unexpected; The hammer hook of undercarriage has hooked the bearing pin in the cylinder hammer again, very easily causes the undercarriage support body to damage, hammer hook axle fracture; Cause when serious that external force leads that to hang wire rope disrumpent feelings, cause whole pile hammer to throw and scrap from pile driving frame.The 2nd, the distance between undercarriage and the head piece is also wayward.Also, cause the pile penetration of squeezing into of stake to alter a great deal because undercarriage and head piece also are in the same vertical working face, and soft compaction rate is different when the stratum; The pile penetration of stake big and make pile hammer and on the undercarriage subsidence velocity accelerate, head piece just bumps against on the undercarriage, and the anti-undercarriage that draws; Like this; Very easily cause the external force wire rope disrumpent feelings, cause the pile driving frame deformed damaged when serious, even can cause that pile driving frame tumbles.The 3rd, pile hammer is reset at every turn, all is by manpower undercarriage and cylinder hammer bearing pin to be broken off relations, and labour cost is high, and labour intensity is big.
Summary of the invention
Technical problem to be solved by this invention is; A kind of guide rod type diesel pile hammer with vertical landing gear is provided; This pile hammer can avoid its undercarriage and cylinder hammer, head piece to bump against in the course of the work fully, and can realize automatically that undercarriage hooks and breaks off relations, and need not personnel operation.
In order to solve the problems of the technologies described above; Guide rod type diesel pile hammer with vertical landing gear of the present invention; Comprise head piece, guide rod, cylinder hammer and piston, this head piece and piston are installed on the two ends up and down of guide rod respectively, and the cylinder hammer can slide up and down along guide rod; The outside at said cylinder hammer is provided with undercarriage vertically, and this undercarriage is provided with lift hook and hammer hook; Hammer hook is corresponding with the cylinder hammer hook groove position on the cylinder hammer, and this hammer hook is connected with the hammer hook linkage; Between head piece and piston, be permanently connected unhook block and hook hammer block, hammer hook and hammer hook linkage are between unhook block and hook hammer block.
After adopting said structure; Because undercarriage is arranged at the cylinder hammer outside vertically; Undercarriage laterally is positioned at the form of structure above the cylinder hammer in the existing guide rod type diesel pile hammer thereby thoroughly changed; Make undercarriage be in all the time in two different vertical work planes with the cylinder hammer, this structure has fundamentally been avoided undercarriage and the cylinder hammer possibility of collision each other, makes and improves pile hammer cylinder hammer jumping height and strengthen the restriction that hitting power no longer receives pile hammer structural parameters such as guide rod length; Can under the situation that does not change the pile hammer structure, realize beating again, also very help pile hammer and develop to large-tonnage; Even when pile hammer fuel feeding throttle operation is improper, the cylinder hammer also can not collide with undercarriage, uses safer, more convenient to operate.Also because undercarriage is arranged at the cylinder hammer outside vertically; Make undercarriage be in different vertical working faces respectively again with head piece above being positioned at cylinder hammer, soft and when squeezing into pile penetration and sharply increasing, the phenomenon that head piece oppositely clashes into undercarriage also can not occur on the stratum; Both can on closely knit stratum, drive piles; Also can drive piles, expand the scope of application of pile hammer greatly, improve the piling efficient of pile hammer at broken ground.Also because the undercarriage that vertically is provided with is provided with lift hook and hammer hook, the lift hook on the undercarriage is the lifting whole pile hammer of going up and down easily, and the hammer hook on the undercarriage then can be realized the starting of pile hammer; And hammer hook is connected with the hammer hook linkage, the hammer hook linkage in the process that moves up and down with undercarriage, respectively and the unhook block between head piece and the piston and hook hammer block collide; Can make undercarriage hook the cylinder hammer automatically easily; And automatically break off relations with the cylinder hammer, the cylinder hammer in the pile hammer starting process promotes and falls all to be accomplished automatically, has avoided the manual operation intervention in the pile hammer starting process fully; Reduce the starting error; The enhancement apparatus safety in utilization has improved the automaticity of pile hammer, has reduced labour intensity.Adopt hammer hook and play the structure that the hammer linkage is connected, have deft design, proper, advantage of simple structure.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment guide rod type diesel pile hammer that the present invention has vertical landing gear is done further explain.
Fig. 1 is the topology view that the present invention has a kind of embodiment of guide rod type diesel pile hammer of vertical landing gear;
Fig. 2 is a K-K section zoomed-in view in the structure shown in Figure 1;
Fig. 3 is the topology view after structure shown in Figure 1 is removed undercarriage;
Fig. 4 is an A-A section zoomed-in view in the structure shown in Figure 3;
Fig. 5 is a B-B section zoomed-in view in the structure shown in Figure 3;
Fig. 6 is the structural front view of undercarriage in the structure shown in Figure 1;
Fig. 7 is the structure left view of undercarriage shown in Figure 6;
Fig. 8 is the structure diagram of a kind of hammer linkage;
Fig. 9 is the another kind of structure diagram that plays the hammer linkage;
Figure 10 is again the structure diagram of a kind of hammer linkage.
The specific embodiment
In Fig. 1, the guide rod type diesel pile hammer with vertical landing gear shown in Figure 2, this pile hammer includes head piece 1, guide rod 2, cylinder hammer 3 and 5, two guide rods 2 of piston and is arranged in parallel.Head piece 1 fixedly is equipped with in upper end at two guide rods 2; The lower end of guide rod 4 is fixedly installed on the piston 5; Pile cover is equipped with in bottom surface at piston 5; Cylinder hammer 3 is between head piece 1 and piston 5, and cylinder hammer 3 can hit along the spring that slide up and down of two guide rods 2, the same outside of head piece 1 and piston 5 be set with respectively lead pawl 10 and under lead pawl 18.Different with prior art is, undercarriage 7 is arranged at the outside of pile hammer cylinder hammer 3 vertically, and the position with on lead pawl 10 and under lead pawl 18 homonymies, undercarriage 7 is rod-like structure, and it is processed by channel-section steel; In undercarriage 7 epimere vallecular cavities, be provided with lift hook 12, lift hook 12 is hinged swingably on the wallboard of undercarriage 7 through lift hook bearing pin 11; Also be provided with actuating linkage 8 on hinged lift hook 12 tops, this actuating linkage 8 is also hinged on the wallboard of undercarriage 7.Actuating linkage 8 is in transmission connection with lift hook 12 through transmission mechanism mutually, and transmission mechanism is to comprise that the chain gear transmission of carrying hammer chain 9 and sprocket wheel 21 is secondary; Certainly this transmission mechanism also can be linkage or gear driving pair.Hinged in undercarriage 7 hypomere vallecular cavities have a hammer hook 14, hammer hook 14 with play a hammer linkage 15 and be connected, this hammer hook 14 is with to play hammer linkage 15 all hinged on the wallboard of undercarriage 7.Cylinder hammer 3 is provided with cylinder hammer hook groove 4, and hammer hook 14 is corresponding with hammer hook groove 4 positions on the cylinder hammer 3.The outside of cylinder hammer 3, on lead pawl 10 and under lead pawl 18 homonymies; Be provided with unhook block 13 and hook hammer block 16 between head piece 1 and the piston 5; Play hammer linkage 15 and move up and down with undercarriage 7 and collide with unhook block 13 and hook hammer block 16 respectively in the process, so that hammer hook 14 is realized hooking or break off relations cylinder hammer 3 through playing hammer linkage 15.Unhook block 13 and hook hammer block 16 are fixedly connected between head piece 1 and the piston 5 through block support 17; Be that block support 17 upper ends are fixedly connected with head piece 1, block support 17 lower ends are fixedly connected with piston 5, and unhook block 13 is fixedly installed on the block support 17 with 16 of hook hammer blocks.
Fig. 3, Fig. 4 and Fig. 5 show block support 17 and on unhook block 13 and the structural relation of hook hammer block 16.Block support 17 is made up of the bar steel plate of two equidistant parallel settings; Unhook block 13 is fixedly installed on two steel plates of block support 17 with hook hammer block 16; With hook hammer block 16 relative opposite sides rack connecting plate 20 is being housed fixedly, to improve the globality and the rigidity of block support 17; On two steel plates of block support 17, have lift hook symmetrically and stretch out hole 19, it is corresponding with lift hook 12 positions that this lift hook stretches out hole 19.In block support 17, be inserted with undercarriage 7 with a gap, this gap assurance undercarriage 7 can freely mention or fall in block support 17, and undercarriage 7 is limited in the shape of block support 17.
Fig. 6, Fig. 7 show undercarriage 7 and go up the accessory structure position.On the top of undercarriage 7 Hanging roller 6 has been housed, this plays Hanging roller 6 and is used for hoist engine up-down undercarriage 7 on the pile driving frame.Hinged respectively on undercarriage 7 tops have actuating linkage 8 and a lift hook 12, and lift hook 12 adopts beam structures, and lift hook 12 is connected with actuating linkage 8 through transmission mechanism, and this transmission mechanism comprises sprocket wheel 21 and the chain drive pair of carrying hammer chain 9.On the hinged bearing pin of actuating linkage 8, sprocket wheel 21 is housed also; This sprocket wheel 21 is fixedly connected with actuating linkage 8; One sprocket wheel 21 also is housed on the lifting hook pin 11 of lift hook 12, and this sprocket wheel 21 also is fixedly connected with lift hook 12, between above-mentioned two sprocket wheels 21, is connected with to carry hammer chain 9; Pulling actuating linkage 8 can make lift hook 12 swings and stretch out undercarriage 7 and block support 17, holds up whole pile hammer with hook.Hinged in undercarriage 7 bottoms have a hammer hook 14, hammer hook 14 with play a hammer linkage 15 and link to each other, this rise hammer linkage 15 can make hammer hook 14 stretch out and hook cylinder hammer 3 or withdrawal and with 3 unhook of cylinder hammer.
Shown in Figure 8 is the structure diagram of a kind of hammer linkage.Playing hammer linkage 15 is the double rocking lever quadric chain, and its rocking bar is a hammer hook 14, and this hammer hook 14 is hinged on undercarriage 7; A rocking bar 24 in addition is also hinged in undercarriage 7, and this rocking bar 24 is connected with touching lever 25 mutually, bumps touching lever 25 and can make rocking bar 24 swings, is hinged with connecting rod 23 between hammer hook 14 and the rocking bar 24.Touching lever 25 is bumped and when swinging clockwise, and hammer hook 14 is swing and lift to hook cylinder and hammer 3 into shape clockwise also; Otherwise 14 of hammer hooks are hammered 3 into shape with cylinder and are broken off relations.
Fig. 9 shows the another kind of structure diagram that plays the hammer linkage.This plays the hammer linkage also is a double rocking lever quadric chain, but hammer hook 14 is in the opposite direction with stretching out of touching lever 25.
Figure 10 illustrates another structure diagram that plays the hammer linkage.This plays the hammer linkage and is similarly a double rocking lever quadric chain, but hammer hook 14 is positioned at the below of rocking bar 24, and hammer hook 14 and touching lever 25 stretch out in the opposite direction.
When the present invention has the guide rod type diesel pile hammer work of vertical landing gear; At first undercarriage 7 moves downward along the inboard of block support 17; When the touching lever 25 that plays hammer linkage 15 is run into the hook hammer block 16 on the block support 17 and continued descending; Touching lever 25 drives hammer hooks 14 through rocking bar 24 with connecting rod 23 and together clockwise rotates, and arrives extreme lower positions until undercarriage 7, and hammer hook 14 was lifted and extended cylinder to horizontal level and hammer into shape in the cylinder hammer hook groove 4 of 3 sides this moment; Hoist engine has passed through Hanging roller 6 and has promoted undercarriage 7, and hammer hook 14 hook position cylinder hammers 3 drive cylinder hammer 3 and move upward in the lump with undercarriage 7.After being promoted to certain altitude; Touching lever 25 is collided with unhook block 13 again; Undercarriage 7 continues up; Touching lever 25 still drives hammer hooks 14 through rocking bar 14 with connecting rod 23 and together counterclockwise rotates, and deviates from the cylinder hammer hook groove 4 of cylinder hammer 3 until hammer hook 14, and cylinder hammer 3 freely falls under action of gravity and starts pile hammer.
When needs go up and down whole guide rod type pile hammer; Undercarriage 7 is reduced to extreme lower position; Pulling actuating linkage 8; Actuating linkage 8 drives lift hooks 12 synchronously through chain 9 and turns to horizontal level together, lift hook 12 is stretched out the hole 19 from the lift hook of block support 17 stretch out, and hook the lower plane of head piece 1; The whole pile hammer that promptly drives lifting undercarriage 7, undercarriage 7 rises together or reduces to correct position.When needs undercarriage 7 separated with head piece 1, undercarriage 7 was still reduced to extreme lower position, and actuating linkage 8 upwards lifts under the effect of back-moving spring 22 automatically, thereby lift hook 12 is rotated, and was retracted in the shape of undercarriage 7, and undercarriage 7 separates with pile hammer.
Above-mentioned embodiment has been enumerated preferred implementations more of the present invention, but the present invention is not limited thereto, under the situation of basic principle of the present invention, can also make many improvement and conversion.As: the guide rod number can also be three, four or more except that being two; Playing hammer linkage 15 except that being the four-bar mechanism, can also be other planar linkage mechanism or cam link mechanism etc.; Undercarriage 7 removes and is positioned at the upper and lower pawl homonymy of leading, and can also be the either side of cylinder hammer 3; The section form of undercarriage also is not limited to the slot type structure; Or the like.Therefore adopt vertical landing gear structure as long as hammer a side into shape, all fall into protection scope of the present invention at cylinder.
Claims (10)
1. guide rod type diesel pile hammer with vertical landing gear; Comprise head piece (1), guide rod (2), cylinder hammer (3) and piston (5); This head piece (1) and piston (5) are installed on the two ends up and down of guide rod (2) respectively; Cylinder hammer (3) can slide up and down along guide rod (2), it is characterized in that: the outside at said cylinder hammer (3) is provided with undercarriage (7) vertically, and this undercarriage (7) is provided with lift hook (12) and hammer hook (14); Hammer hook (14) is corresponding with cylinder hammer hook groove (4) position on the cylinder hammer (3), and this hammer hook (14) is connected with a hammer linkage (15); Between head piece (1) and piston (5), be permanently connected unhook block (13) and hook hammer block (16), hammer hook (14) and play a hammer linkage (15) and be positioned between unhook block (13) and the hook hammer block (16).
2. according to the said guide rod type diesel pile hammer of claim 1 with vertical landing gear; It is characterized in that: be installed with respectively on said head piece (1) and the piston (5) lead pawl (10) and under lead pawl (18), said undercarriage (7) be positioned at on lead pawl (10) and lead down cylinder hammer (3) outside of pawl (18) homonymy.
3. according to the said guide rod type diesel pile hammer with vertical landing gear of claim 1, it is characterized in that said hammer linkage (15) is the double rocking lever quadric chain, hammer hook (14) is a rocking bar of this double rocking lever quadric chain.
4. according to claim 1,2 or 3 said guide rod type diesel pile hammers with vertical landing gear; It is characterized in that: said hammer hook (14), a hammer linkage (15) and lift hook (12) are all hinged on undercarriage (7), and the apical position of this undercarriage (7) also has been provided with Hanging roller (6).
5. according to the said guide rod type diesel pile hammer with vertical landing gear of claim 1, it is characterized in that: said unhook block (13) and hook hammer block (16) are fixedly connected between head piece (1) and the piston (5) through block support (17).
6. according to the said guide rod type diesel pile hammer with vertical landing gear of claim 1, it is characterized in that: said lift hook (12) is in transmission connection through transmission mechanism and actuating linkage (8).
7. according to the said guide rod type diesel pile hammer with vertical landing gear of claim 6, it is characterized in that: said transmission mechanism is to comprise that the chain gear transmission of carrying hammer chain (9) and sprocket wheel (21) is secondary.
8. according to the said guide rod type diesel pile hammer with vertical landing gear of claim 1, it is characterized in that: said guide rod (2) has 2 at least, and each guide rod (2) is corresponding to the guide rod slide opening on the cylinder hammer (3).
9. the said according to Claim 8 guide rod type diesel pile hammer with vertical landing gear is characterized in that: said guide rod (2) has two, three or four, and is arranged in parallel between guide rod (2).
10. according to the said guide rod type diesel pile hammer of claim 1, it is characterized in that: said lift hook (12) and hammer hook (14) said undercarriage (7) the frame wall that all can stretch out or withdraw with vertical landing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102749810A CN101929156B (en) | 2010-09-06 | 2010-09-06 | Guide rod type diesel pile hammer with vertical landing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102749810A CN101929156B (en) | 2010-09-06 | 2010-09-06 | Guide rod type diesel pile hammer with vertical landing gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101929156A CN101929156A (en) | 2010-12-29 |
| CN101929156B true CN101929156B (en) | 2012-11-28 |
Family
ID=43368558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102749810A Active CN101929156B (en) | 2010-09-06 | 2010-09-06 | Guide rod type diesel pile hammer with vertical landing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101929156B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304921B (en) * | 2011-07-01 | 2013-09-18 | 上海朱翔建设工程有限公司 | Linked guide rod diesel oil pile driving hammer and pile driving method thereof |
| CN105544539B (en) * | 2016-01-29 | 2017-09-29 | 青岛科技大学 | A kind of double Automatic piling device of high-efficiency compact |
| CN113530692B (en) * | 2021-06-28 | 2023-12-12 | 上海翔晟科技有限公司 | Throttle synchronous control mechanism for linkage guide rod pile hammer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616775A (en) * | 2003-11-13 | 2005-05-18 | 江苏东达工程机械股份有限公司 | Guide rod type diesel pile hammer |
| CN2711240Y (en) * | 2004-07-01 | 2005-07-20 | 佛山市顺德区力源液压机械有限公司 | Structure-improved diesel hammer |
| CN2786201Y (en) * | 2005-01-28 | 2006-06-07 | 江苏东达工程机械股份有限公司 | Top beam of diesel pile hammer |
| WO2010068120A2 (en) * | 2008-12-10 | 2010-06-17 | Fairbrother Industries Limited | Post driver safety system |
| CN201826310U (en) * | 2010-09-06 | 2011-05-11 | 江苏巨威机械有限公司 | Guide bar type diesel pile hammer with vertical landing gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5880025A (en) * | 1981-11-04 | 1983-05-14 | Yukio Matsumoto | High-speed diesel pile hammer |
-
2010
- 2010-09-06 CN CN2010102749810A patent/CN101929156B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616775A (en) * | 2003-11-13 | 2005-05-18 | 江苏东达工程机械股份有限公司 | Guide rod type diesel pile hammer |
| CN2711240Y (en) * | 2004-07-01 | 2005-07-20 | 佛山市顺德区力源液压机械有限公司 | Structure-improved diesel hammer |
| CN2786201Y (en) * | 2005-01-28 | 2006-06-07 | 江苏东达工程机械股份有限公司 | Top beam of diesel pile hammer |
| WO2010068120A2 (en) * | 2008-12-10 | 2010-06-17 | Fairbrother Industries Limited | Post driver safety system |
| CN201826310U (en) * | 2010-09-06 | 2011-05-11 | 江苏巨威机械有限公司 | Guide bar type diesel pile hammer with vertical landing gear |
Non-Patent Citations (1)
| Title |
|---|
| 导杆式柴油打桩锤的缸锤失效分析与改进;洪敏;《工程机械》;20000930(第9期);50-51 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101929156A (en) | 2010-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107476303A (en) | A kind of construction site ringing engine | |
| CN101929156B (en) | Guide rod type diesel pile hammer with vertical landing gear | |
| CN201580816U (en) | Automatic brick stacking machine | |
| CN201826310U (en) | Guide bar type diesel pile hammer with vertical landing gear | |
| CN202880426U (en) | Brick stacking machine | |
| CN106542470A (en) | A kind of railway work high above the ground equipment with three job platforms | |
| CN109024595A (en) | A kind of quick sheet pile pile-sinking device and method | |
| CN206233600U (en) | Overlength super large beams of concrete installs the apparatus capable of fluctuating of reinforcing bar | |
| CN203452361U (en) | All-steel attaching type lifting scaffold | |
| CN110296902A (en) | A kind of piston type high strain monitoring device | |
| CN103882852A (en) | Rammer release device of dynamic compactor | |
| CN203922093U (en) | Lane stacker loading platform falling proof device | |
| CN102304921B (en) | Linked guide rod diesel oil pile driving hammer and pile driving method thereof | |
| CN105369780B (en) | A kind of hydraulic steel gate auto clawing beam device under water | |
| CN206841814U (en) | A kind of flush retaining device | |
| CN108787032B (en) | Hydraulic engineering stone crushing device | |
| CN105799729A (en) | Novel protective device for inclined lane car sliding and using method thereof | |
| CN108396742A (en) | A kind of piling machine with long service life | |
| CN105155832B (en) | A kind of hanging basket equipment and its moving method | |
| CN102425150B (en) | Dynamic compaction machinery balancing hook and balancing hook mechanism provided with same | |
| CN211110587U (en) | Car stopper in cage | |
| CN211573374U (en) | Novel hammering crushing equipment | |
| CN208763012U (en) | A kind of piling machine that stabilizing effect is good | |
| CN212175774U (en) | Hydraulic drop hammer device of barrel type diesel hammer | |
| CN202610787U (en) | Cordless high trigger type dynamic compaction automatic detacher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |