CN208995938U - A kind of freely-supported bridge ruggedized construction - Google Patents
A kind of freely-supported bridge ruggedized construction Download PDFInfo
- Publication number
- CN208995938U CN208995938U CN201821636074.4U CN201821636074U CN208995938U CN 208995938 U CN208995938 U CN 208995938U CN 201821636074 U CN201821636074 U CN 201821636074U CN 208995938 U CN208995938 U CN 208995938U
- Authority
- CN
- China
- Prior art keywords
- groove
- welded
- freely
- hole
- crossbeam
- 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
Abstract
The utility model discloses a kind of freely-supported bridge ruggedized constructions, including the fixed block being fixedly mounted on two bridge piers, two fixed blocks are respectively at two bridge pier sides close to each other, the same crossbeam is fixedly installed at the top of two bridge piers, support rod is slidably fitted on two fixed blocks, one end of two support rods is hinged with the corresponding cross bar contacted with crossbeam basal sliding, cross bar and beam vertical are arranged, and the both ends of cross bar are fixedly welded with gag lever post, two gag lever posts respectively with the two sides sliding contact of crossbeam, two cross bars are equipped with the same fixed plate, the top of fixed plate and the bottom of crossbeam are mutually welded, the first groove is offered at the top of fixed block, towing plate is slidably fitted in first groove.The utility model structure is simple, easy to operate, by simple rotational action can the reinforcing scope quickly to freely-supported bridge be adjusted, fast and easy construction, brought very big convenience.
Description
Technical field
The utility model relates to bridge technology field more particularly to a kind of freely-supported bridge ruggedized constructions.
Background technique
With the continuous development of society, various infrastructure are constantly completed, and bridge is exactly one of very important
Infrastructure currently has many old freely-supported bridges to exceed service life, many security risks occurs, and bridge floor occurs
The problems such as various crackles and sinking, it is therefore desirable to crossbeam be reinforced, but existing reinforcement means is substantially using letter
Single strut is welded to reinforce, and design is relatively simple, is needed a large amount of time to carry out pre-production, cannot be adjusted, sternly
Ghost image rings engineering progress, thus it is proposed that a kind of freely-supported bridge ruggedized construction, is solved the above problems with this.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of freely-supported bridge proposed adds
Fixing structure.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of freely-supported bridge ruggedized construction, including the fixed block being fixedly mounted on two bridge piers, two fixed block difference
The side close to each other in two bridge piers, is fixedly installed with the same crossbeam at the top of two bridge piers, on two fixed blocks
It is slidably fitted with support rod, one end of two support rods is hinged with the corresponding cross bar contacted with crossbeam basal sliding, cross bar
Be arranged with beam vertical, and the both ends of cross bar are fixedly welded with gag lever post, two gag lever posts respectively with two Slideslips of crossbeam
Contact, two cross bars are equipped with the same fixed plate, and the top of fixed plate is mutually welded with the bottom of crossbeam, opened at the top of fixed block
Equipped with the first groove, towing plate is slidably fitted in the first groove, the other end of two support rods is hingedly connected to two tractions
Plate side close to each other, and the bottom of towing plate offers the second groove, and slide bar is slidably fitted in the second groove, slide bar
Bottom end extends in the first groove and is welded in the bottom interior wall of the first groove, and sliding sleeve is equipped with the first spring on slide bar, the
The top and bottom end of one spring are respectively welded on the bottom of towing plate and the bottom interior wall of the first groove, are offered in fixed plate
Chamber, and the two sides of fixed plate offer third groove, offers first through hole on the two sides inner wall of chamber, and two first
Through-hole is connected to two third grooves respectively, and mandril is slidably fitted in two third grooves, what two mandrils were located remotely from each other
One end extends respectively to outside corresponding third groove, and to be respectively welded at two cross bars mutual for one end for being located remotely from each other of two mandrils
Close side, two mandril one end close to each other offer thread groove, and screw thread is equipped in two thread grooves
Screw rod, two screw rod one end close to each other all extend in chamber and are welded with the first tapered gear, and two screw rod difference
It is rotatably installed in corresponding first through hole, the second through-hole, rotational installation in the second through-hole is offered in the bottom interior wall of chamber
There is shaft, the top of shaft extends in chamber and be welded with the second tapered gear, and two the first tapered gears are bored with second
The engagement of type gear.
Preferably, the bottom end of the shaft extends to outside fixed plate, and the bottom end of shaft is welded with handle, and handle is equipped with
Bolt, the bottom of fixed plate are based on annular centered on the second through-hole and offer multiple bolt slots, in bolt and multiple bolt slots
One bolt slot is screwed.
Preferably, second spring is slidably fitted in second groove, the top and bottom end of second spring are respectively welded
In the top inner wall of the second groove and the top of slide bar.
Preferably, fixing sleeve is equipped with the first ring-like fixture block in described and shaft, offers first on the inner wall of the second through-hole
Ring groove, the first ring-like fixture block are rotatably installed in the first ring groove.
Preferably, sliding slot is offered on the two sides inner wall of the third groove, is slidably fitted with cunning in two sliding slots
Block, two sliding block one end close to each other all extend in third groove and are welded on mandril.
Preferably, the second ring groove is offered on the inner wall of two first through hole, in two the second ring grooves
It is rotatably equipped with the second ring-like fixture block, fixation is set on corresponding screw rod two the second ring-like fixture blocks respectively.
Compared with prior art, the utility model has the beneficial effects that
By handle, the second through-hole, chamber, shaft, the second tapered gear, the first tapered gear, first through hole, screw rod,
Third groove, thread groove, cross bar, mandril and support rod match, and first swing handle, handle grip turn axis is in the second through-hole
Rotation, so that the second tapered gear is driven and rotates in chamber, dynamic two the first tapered teeth wheels rotation of the second tapered gear band,
Two the first tapered gears drive two screw rods to rotate in corresponding first through hole and thread groove respectively, while two screw rods
It drives two mandrils to slide in corresponding third groove respectively to be located remotely from each other, so that two cross bars are pushed and are located remotely from each other, two
A cross bar drives corresponding support rod to be located remotely from each other respectively, by support rod, fixed block, the first groove, the second groove, slide bar,
First spring and second spring match, and two support rods drive towing plate to be moved, so that towing plate is in the first groove
It is slided, sliding bar enters the second groove at this time, and the first spring and second spring are compressed, and freely-supported bridge strengthening finishes.
The utility model structure is simple, easy to operate, can be quickly to freely-supported bridge by simple rotational action
Reinforcing scope be adjusted, fast and easy construction, brought very big convenience.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of freely-supported bridge ruggedized construction structural schematic diagram；
Fig. 2 be the utility model proposes a kind of freely-supported bridge ruggedized construction part A structural schematic diagram；
Fig. 3 be the utility model proposes a kind of freely-supported bridge ruggedized construction part B structural schematic diagram.
In figure: Bridge 1 pier, 2 crossbeams, 3 fixed blocks, 4 support rods, 5 cross bars, 6 gag lever posts, 7 fixed plates, 8 first grooves, 9 chambers
Room, 10 third grooves, 11 first through hole, 12 mandrils, 13 thread grooves, 14 screw rods, 15 first tapered gears, 16 second through-holes,
17 shafts, 18 second tapered gears, 19 second grooves, 20 slide bars, 21 first springs, 22 second springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of freely-supported bridge ruggedized construction, including the fixed block 3 being fixedly mounted on two bridge piers 1, two
A fixed block 3 is respectively at two sides close to each other of bridge pier 1, and the top of two bridge piers 1 is fixedly installed with the same crossbeam
2, it is slidably fitted with support rod 4 on two fixed blocks 3, one end of two support rods 4 is hinged with corresponding with 2 bottom of crossbeam
The cross bar 5 of sliding contact, cross bar 5 are vertically arranged with crossbeam 2, and the both ends of cross bar 5 are fixedly welded with gag lever post 6, two limits
Position bar 6 is respectively with the two sides sliding contact of crossbeam 2, and two cross bars 5 are equipped with the same fixed plate 7, the top of fixed plate 7 and cross
The bottom of beam 2 is mutually welded, and the top of fixed block 3 offers the first groove 8, is slidably fitted with towing plate in the first groove 8, and two
The other end of support rod 4 is hingedly connected to two towing plate sides close to each other, and to offer second recessed for the bottom of towing plate
Slot 19, is slidably fitted with slide bar 20 in the second groove 19, and the bottom end of slide bar 20 extends in the first groove 8 and to be welded on first recessed
In the bottom interior wall of slot 8, sliding sleeve is equipped with the first spring 21 on slide bar 20, and the top and bottom end of the first spring 21 are respectively welded at
In the bottom interior wall of the bottom of towing plate and the first groove 8, chamber 9 is offered in fixed plate 7, and the two sides of fixed plate 7 are opened
Equipped with third groove 10, offer first through hole 11 on the two sides inner wall of chamber 9, two first through hole 11 respectively with two
Three grooves 10 are connected to, and are slidably fitted with mandril 12 in two third grooves 10, one end difference that two mandrils 12 are located remotely from each other
It extends to outside corresponding third groove 10, and one end for being located remotely from each other of two mandrils 12 is respectively welded at two cross bars 5 and mutually leans on
Close side, two mandrils 12 one end close to each other offer thread groove 13, and screw thread is pacified in two thread grooves 13
Equipped with screw rod 14, two one end close to each other of screw rod 14 all extend in chamber 9 and are welded with the first tapered gear 15, and two
A screw rod 14 is rotatably installed in respectively in corresponding first through hole 11, and the second through-hole 16 is offered in the bottom interior wall of chamber 9, the
It is rotatably equipped with shaft 17 in two through-holes 16, the top of shaft 17 extends in chamber 9 and is welded with the second tapered gear 18, and two
A first tapered gear 15 is engaged with the second tapered gear 18, passes through handle, the second through-hole 16, chamber 9, shaft 17, second
Tapered gear 18, the first tapered gear 15, first through hole 11, screw rod 14, third groove 10, thread groove 13, cross bar 5, mandril
12 and support rod 4 match, first swing handle, handle grip turn axis 17 rotates in the second through-hole 16, so that the second tapered teeth
Wheel 18 is driven and rotates in chamber 9, and the second tapered gear 18 drives two the first tapered gears 15 to rotate, and two first tapered
Gear 15 drives two screw rods 14 to rotate in corresponding first through hole 11 and thread groove 13 respectively, while two screw rods 14 divide
Not Dai Dong two mandrils 12 slide and be located remotely from each other in corresponding third groove 10 so that two cross bars 5 are located remotely from each other by promotion,
Two cross bars 5 drive corresponding support rod 4 to be located remotely from each other respectively, pass through support rod 4, fixed block 3, the first groove 8, the second groove
19, slide bar 20, the first spring 21 and second spring 22 match, and two support rods 4 drive towing plate to be moved, so that traction
Plate is slided in the first groove 8, and slide bar 20 slips into the second groove 19,22 quilt of the first spring 21 and second spring at this time
Compression, freely-supported bridge strengthening finish, and the utility model structure is simple, easy to operate, can be fast by simple rotational action
Speed is adjusted the reinforcing scope of freely-supported bridge, and fast and easy construction has brought very big convenience.
In the utility model, the bottom end of shaft 17 is extended to outside fixed plate 7, and the bottom end of shaft 17 is welded with handle,
Be equipped with bolt on hand, the bottom of fixed plate 7 is based on annular centered on the second through-hole 16 and offers multiple bolt slots, bolt with it is multiple
A bolt slot in bolt slot is screwed, and second spring 22, the top of second spring 22 are slidably fitted in the second groove 19
End and bottom end are respectively welded in the top inner wall of the second groove 19 and the top of slide bar 20, and fixing sleeve is equipped with the in shaft 17
One ring-like fixture block offers the first ring groove on the inner wall of the second through-hole 16, and the first ring-like fixture block is rotatably installed in the first ring
In type groove, sliding slot is offered on the two sides inner wall of third groove 10, and sliding block, two cunnings are slidably fitted in two sliding slots
Block one end close to each other all extends in third groove 10 and is welded on mandril 12, on the inner wall of two first through hole 11
The second ring groove is offered, the second ring-like fixture block, two the second ring-like cards are rotatably equipped in two the second ring grooves
Fixation is set on corresponding screw rod 14 block respectively, passes through handle, the second through-hole 16, chamber 9, shaft 17, the second tapered gear
18, the first tapered gear 15, first through hole 11, screw rod 14, third groove 10, thread groove 13, cross bar 5, mandril 12 and support
Bar 4 matches, first swing handle, and handle grip turn axis 17 rotates in the second through-hole 16, so that the second tapered gear 18 is by band
It moves and is rotated in chamber 9, the second tapered gear 18 drives two the first tapered gears 15 to rotate, and two the first tapered gears 15 divide
Not Dai Dong two screw rods 14 rotated in corresponding first through hole 11 and thread groove 13, while two screw rods 14 drive two respectively
A mandril 12 is slided in corresponding third groove 10 and is located remotely from each other, so that two cross bars 5 are located remotely from each other by promotion, two cross bars
5 drive corresponding support rod 4 to be located remotely from each other respectively, pass through support rod 4, fixed block 3, the first groove 8, the second groove 19, slide bar
20, the first spring 21 and second spring 22 match, and two support rods 4 drive towing plates to be moved, so that towing plate is the
It sliding in one groove 8, slide bar 20 slips into the second groove 19 at this time, and the first spring 21 and second spring 22 are compressed,
Freely-supported bridge strengthening finishes, and the utility model structure is simple, easy to operate, can be quickly right by simple rotational action
The reinforcing scope of freely-supported bridge is adjusted, and fast and easy construction has brought very big convenience.
Working principle: when needing to adjust the distance between two cross bars 5, first swing handle, handle grip turn axis 17 exists
Rotation in second through-hole 16, so that the second tapered gear 18 is driven and rotates in chamber 9, the second tapered gear 18 drives two
First tapered gear 15 rotates, and two the first tapered gears 15 drive two screw rods 14 in corresponding first through hole 11 and spiral shell respectively
Rotation in line groove 13, while to drive two mandrils 12 to slide in corresponding third groove 10 respectively mutual remote for two screw rods 14
From so that two cross bars 5 are located remotely from each other by promotion, two cross bars 5 drive corresponding support rod 4 to be located remotely from each other respectively, when two
When the distance between cross bar 5 is suitable, stop operating handle, and two support rods 4 drive towing plate to be moved, so that towing plate exists
It is slided in first groove 8, slide bar 20 slips into the second groove 19 at this time, and the first spring 21 and second spring 22 are pressed
Contracting, then bolt precession is located in the bolt slot on same vertical axis, freely-supported bridge strengthening finishes.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of freely-supported bridge ruggedized construction, including the fixed block (3) being fixedly mounted on two bridge piers (1), which is characterized in that
Two fixed blocks (3) are respectively at two bridge pier (1) sides close to each other, are fixedly installed at the top of two bridge piers (1) same
One crossbeam (2) is slidably fitted with support rod (4) on two fixed blocks (3), and one end of two support rods (4) is hinged with phase
The corresponding cross bar (5) contacted with crossbeam (2) basal sliding, cross bar (5) is vertically arranged with crossbeam (2), and the both ends of cross bar (5)
It is fixedly welded with gag lever post (6), the two sides sliding contact with crossbeam (2) respectively of two gag lever posts (6), on two cross bars (5)
Equipped with the same fixed plate (7), the top of fixed plate (7) and the bottom of crossbeam (2) are mutually welded, and fixed block opens up at the top of (3)
Have the first groove (8), is slidably fitted with towing plate in the first groove (8), the other end of two support rods (4) is hingedly connected to two
A towing plate side close to each other, and the bottom of towing plate offers the second groove (19), sliding peace in the second groove (19)
Equipped with slide bar (20), the bottom end of slide bar (20) extends in the first groove (8) and is welded on the bottom interior wall of the first groove (8)
On, sliding sleeve is equipped with the first spring (21) on slide bar (20), and the top and bottom end of the first spring (21) are respectively welded at towing plate
Bottom and the first groove (8) bottom interior wall on, offered in fixed plate (7) chamber (9), and the two sides of fixed plate (7) are equal
It offers third groove (10), is offered on the two sides inner wall of chamber (9) first through hole (11), two first through hole (11) point
It is not connected to, is slidably fitted with mandril (12) in two third grooves (10), two mandrils (12) with two third grooves (10)
The one end being located remotely from each other extends respectively to corresponding third groove (10) outside, and one end difference that two mandrils (12) are located remotely from each other
Two cross bar (5) sides close to each other are welded on, two mandril (12) one end close to each other offer thread groove
(13), equal screw thread is equipped with screw rod (14) in two thread grooves (13), and two screw rod (14) one end close to each other extend
In to chamber (9) and it is welded with the first tapered gear (15), and two screw rods (14) are rotatably installed in corresponding first respectively and lead to
It in hole (11), is offered in the bottom interior wall of chamber (9) the second through-hole (16), is rotatably equipped with shaft in the second through-hole (16)
(17), the top of shaft (17) extends in chamber (9) and is welded with the second tapered gear (18), two the first tapered gears
(15) it is engaged with the second tapered gear (18).
2. a kind of freely-supported bridge ruggedized construction according to claim 1, which is characterized in that prolong the bottom end of the shaft (17)
Extend to fixed plate (7) outside, and the bottom end of shaft (17) is welded with handle, handle is equipped with bolt, and the bottom of fixed plate (7) is based on
Annular offers multiple bolt slots centered on second through-hole (16), and a bolt slot screw thread in bolt and multiple bolt slots is solid
It is fixed.
3. a kind of freely-supported bridge ruggedized construction according to claim 1, which is characterized in that sliding in second groove (19)
Dynamic to be equipped with second spring (22), the top and bottom end of second spring (22) are respectively welded at the top inner wall of the second groove (19)
Upper and slide bar (20) top.
4. a kind of freely-supported bridge ruggedized construction according to claim 1, which is characterized in that fixing sleeve on the shaft (17)
Equipped with the first ring-like fixture block, the first ring groove, the first ring-like fixture block rotational installation are offered on the inner wall of the second through-hole (16)
In the first ring groove.
5. a kind of freely-supported bridge ruggedized construction according to claim 1, which is characterized in that the two of the third groove (10)
Sliding slot is offered on the inner wall of side, sliding block is slidably fitted in two sliding slots, and two sliding block one end close to each other extend
In to third groove (10) and it is welded on mandril (12).
6. a kind of freely-supported bridge ruggedized construction according to claim 1, which is characterized in that two first through hole (11) it is interior
The second ring groove is offered on wall, is rotatably equipped with the second ring-like fixture block in two the second ring grooves, two second
Fixation is set on corresponding screw rod (14) ring-like fixture block respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821636074.4U CN208995938U (en) | 2018-10-10 | 2018-10-10 | A kind of freely-supported bridge ruggedized construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821636074.4U CN208995938U (en) | 2018-10-10 | 2018-10-10 | A kind of freely-supported bridge ruggedized construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995938U true CN208995938U (en) | 2019-06-18 |
Family
ID=66803432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821636074.4U Active CN208995938U (en) | 2018-10-10 | 2018-10-10 | A kind of freely-supported bridge ruggedized construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208995938U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593679A (en) * | 2020-06-05 | 2020-08-28 | 湖南城市学院 | Bridge reinforcing device for municipal bridge engineering |
| CN111705615A (en) * | 2020-06-15 | 2020-09-25 | 赵德新 | Bridge reinforcing system capable of improving bearing capacity |
| CN111827146A (en) * | 2020-08-11 | 2020-10-27 | 沈徐彬 | Main longitudinal beam reinforced structure for bridge construction |
| CN111996925A (en) * | 2020-08-18 | 2020-11-27 | 赵德新 | Bridge reinforcing system capable of reducing bridge deck vibration |
| CN112252760A (en) * | 2020-10-22 | 2021-01-22 | 衢州市岳泰铝业有限公司 | High-strength high-toughness aluminum alloy section and extrusion forming method thereof |
| CN112538826A (en) * | 2020-12-02 | 2021-03-23 | 山东交通学院 | Temporary bridge reinforcing and supporting device |
-
2018
- 2018-10-10 CN CN201821636074.4U patent/CN208995938U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593679A (en) * | 2020-06-05 | 2020-08-28 | 湖南城市学院 | Bridge reinforcing device for municipal bridge engineering |
| CN111593679B (en) * | 2020-06-05 | 2021-10-01 | 湖南城市学院 | Bridge reinforcing device for municipal bridge engineering |
| CN111705615A (en) * | 2020-06-15 | 2020-09-25 | 赵德新 | Bridge reinforcing system capable of improving bearing capacity |
| CN111705615B (en) * | 2020-06-15 | 2021-11-30 | 深圳麦普工程咨询有限公司 | Bridge reinforcing system capable of improving bearing capacity |
| CN111827146A (en) * | 2020-08-11 | 2020-10-27 | 沈徐彬 | Main longitudinal beam reinforced structure for bridge construction |
| CN111996925A (en) * | 2020-08-18 | 2020-11-27 | 赵德新 | Bridge reinforcing system capable of reducing bridge deck vibration |
| CN112252760A (en) * | 2020-10-22 | 2021-01-22 | 衢州市岳泰铝业有限公司 | High-strength high-toughness aluminum alloy section and extrusion forming method thereof |
| CN112538826A (en) * | 2020-12-02 | 2021-03-23 | 山东交通学院 | Temporary bridge reinforcing and supporting device |
| CN112538826B (en) * | 2020-12-02 | 2022-04-26 | 山东交通学院 | Temporary bridge reinforcing and supporting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208995938U (en) | A kind of freely-supported bridge ruggedized construction | |
| CN109162744A (en) | A kind of constructing tunnel tunnel arched door support device | |
| CN107952560A (en) | A kind of joint ball head lapping device of artificial joint | |
| CN108487005A (en) | A kind of road surface tamping unit in the changeable compacting direction of Construction of Civil Engineering | |
| CN109537907A (en) | A kind of cylinder framework of steel reinforcement for building ties up frame | |
| CN209623686U (en) | A kind of tunnel vault settlement monitoring device | |
| CN106437505A (en) | All-dimensional deep hole drilling machine | |
| CN209413853U (en) | A kind of automobile-used drilling equipment of road drilling | |
| CN209621334U (en) | One kind being used for coal mine tunnel suspension device | |
| CN103395038A (en) | Engine cylinder sleeve pulling tool | |
| CN207295989U (en) | A kind of fire-type high-rise frame structure easy to assembling | |
| CN209066251U (en) | A kind of Urban Bridge beam falling prevention stopping block system | |
| CN207905331U (en) | A kind of novel architecture support device | |
| CN110042754A (en) | A kind of temporary bridge integral assembling formula steel bridge deck improving bridge durability | |
| CN108708271A (en) | A kind of the bridge equipment and its construction technology of steel-bonded reinforcement bridge pier | |
| CN206129149U (en) | All -round deep hole rig | |
| CN109736565A (en) | A kind of wear-resisting aluminum alloy pattern plate poured for concrete column | |
| CN108708270A (en) | A kind of bridge supporting structure bridge pier ruggedized equipment and its construction technology | |
| CN206129151U (en) | All -round deep hole rig | |
| CN201953356U (en) | Oil pumping machine | |
| CN208777756U (en) | A kind of permanent ruggedized construction of excessive fire building | |
| CN208023728U (en) | A kind of modular assembly formula building | |
| CN206053847U (en) | A kind of luffing rolling friction rig component | |
| CN206053846U (en) | A kind of luffing rolling friction rig component | |
| CN206053865U (en) | A kind of rig luffing bearing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |