CN113585102B - Hanging basket walking pushing device - Google Patents
Hanging basket walking pushing device Download PDFInfo
- Publication number
- CN113585102B CN113585102B CN202110868529.5A CN202110868529A CN113585102B CN 113585102 B CN113585102 B CN 113585102B CN 202110868529 A CN202110868529 A CN 202110868529A CN 113585102 B CN113585102 B CN 113585102B
- Authority
- CN
- China
- Prior art keywords
- track
- seat
- braking
- counter
- servo motor
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Frying-Pans Or Fryers (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a hanging basket running pushing device which comprises a track, two sliding seats connected with the track in a sliding manner, a construction support fixedly connected with the sliding seats, a moving mechanism and a counter-force seat capable of moving and locking on the track, wherein the moving mechanism comprises a connecting rod arranged in parallel with the track and a first servo motor, two ends of the connecting rod are respectively connected with the two sliding seats, the first servo motor is arranged on one side of one sliding seat, the counter-force seat is arranged on the track, a connecting hole matched with the connecting rod is formed in the counter-force seat, and the moving mechanism penetrates through the counter-force seat and is connected with the counter-force seat. The moving mechanism of the hanging basket running pushing device provided by the invention adopts a mode of matching the servo motor with the connecting rod, replaces a mode of connecting an oil cylinder and an oil pump in the prior art, is more stable and reliable, is easy to control, improves the safety coefficient, has high degree of automation, greatly reduces the difficulty of construction operation, improves the construction efficiency and reduces the labor cost.
Description
Technical Field
The invention belongs to the technical field of hanging basket construction equipment, and particularly relates to a hanging basket walking pushing device.
Background
The hanging basket is an important device for bridge cantilever construction, the hanging basket cantilever construction is sectional construction, after the construction of a certain section is completed, the hanging basket needs to walk to the Duan Qian end of the poured beam along the track, and the hanging casting construction of the next section is started. Most of the basket hanging moving devices in the prior art are low in moving speed and low in working efficiency, and have great potential safety hazards.
Patent CN 210888015U discloses a cradle walking thrustor, including the track and be located the construction support of track top, construction support downside rigid coupling has a plurality of sliders, slider sliding connection on the track, the rigid coupling has the counter-force seat on the track, is connected with the hydro-cylinder parallel with the track on the counter-force seat, and the hydro-cylinder is kept away from the one end of counter-force seat and is connected on the slider, and the hydro-cylinder is connected with the mobile oil pump. This patent has improved the efficiency of construction, but the counter-force seat of wherein is through fixed axle and fixed orifices's mode and track connection, and the operation is more complicated when removing, and the construction degree of difficulty is big to adopt hydro-cylinder and the mode of removing the oil pump, not stable enough, there is the potential safety hazard, therefore needs a safer more firm, and easy controllable hanging basket to walk a pushing device.
Disclosure of Invention
The invention aims to provide a hanging basket walking pushing device so as to solve the technical problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a cradle walk line thrustor, includes the track, with two sliders of track sliding connection, and with the construction support of slider fixed connection, the device still includes moving mechanism and can be in the counter-force seat of removal, locking on the track, moving mechanism include with track parallel arrangement's connecting rod and first servo motor, the both ends of connecting rod respectively with two the sliders are linked, first servo motor install in one of them one side of slider, the counter-force seat install in on the track, be equipped with on the counter-force seat with the connecting hole of connecting rod looks adaptation, moving mechanism run through in the counter-force seat and with the counter-force seat links.
Further, the connecting rod is a threaded rod, the connecting hole is a threaded hole matched with the threaded rod, and the connecting rod is in threaded connection with the connecting hole.
Further, the counterforce seat comprises an inverted U-shaped frame, a supporting mechanism, a running mechanism and a braking mechanism which are slidably arranged on the rail, and the connecting hole is formed in the inverted U-shaped frame;
the running mechanism comprises a second servo motor and a driving wheel, the second servo motor is fixedly arranged on one side of the inverted U-shaped frame, the driving wheel is fixedly connected with the second servo motor, and the driving wheel is matched with the track;
the braking mechanism comprises a braking telescopic cylinder, connecting rods and braking plates, wherein the braking telescopic cylinder is fixedly arranged on the other side of the inverted U-shaped frame, the braking telescopic cylinder is respectively fixedly connected with two groups of braking plates through two groups of connecting rods, and the two groups of braking plates are respectively matched with the track.
Further, the supporting mechanism comprises a top supporting ball and a side supporting ball, wherein the top supporting ball is arranged at the inner top of the inverted U-shaped frame and abuts against the top of the track, and the side supporting ball is arranged at the inner side of the inverted U-shaped frame and abuts against the side surface of the track.
Further, a groove is formed in the middle of the inner top of the inverted U-shaped frame, and the lower end face of the inverted U-shaped frame is flush with the lower surface of the rail.
Further, the driving wheel is of a round table-shaped structure, and an anti-slip coating matched with the track is arranged on the surface of the driving wheel.
Further, two groups of braking plates are provided with anti-slip layers on one surface close to the track.
Further, the sliding seat comprises a main body, sideslip grooves matched with the rails are formed in two sides of the main body, and anti-falling protruding portions matched with the rails are arranged at the lower ends of two sides of the main body.
Further, the sliding seat further comprises reinforcing rib plates arranged on the outer walls of the two sides of the main body, and the reinforcing rib plates are fixedly connected with the construction support.
Further, the track is of an I-shaped structure, the inner ends of the upper portion and the lower portion of the track are inclined towards the middle of the track, and a leveling cushion block is arranged on the lower side of the track.
The beneficial effects of the invention are as follows: the invention can drive the sliding seat and the construction bracket to integrally move forward by controlling the movement mechanism to work, and the next construction section is continuously poured; when the moving distance of the sliding seat and the construction support reaches the maximum range of the moving mechanism, the counterforce seat is driven to move relative to the track by controlling the running mechanism; after reaching the appointed position, the running mechanism stops, and then the braking mechanism is controlled to lock the counterforce seat on the track. The moving mechanism of the hanging basket running pushing device provided by the invention adopts a mode of matching the servo motor with the connecting rod, replaces a mode of connecting an oil cylinder and an oil pump in the prior art, is more stable and reliable, is easy to control, improves the safety coefficient, has high degree of automation, greatly reduces the difficulty of construction operation, improves the construction efficiency and reduces the labor cost.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the coupling of the reaction plate to the rail of the present invention;
FIG. 3 is a schematic structural view of a braking mechanism of the reaction seat of the present invention;
fig. 4 is a schematic side view of the coupling of the carriage to the rail of the present invention.
In the figure: 1. the track, 2, the slide, 21, the main part, 211, sideslip groove, 212, anti-drop protruding part, 22, reinforcing rib plate, 3, construction support, 4, moving mechanism, 41, connecting rod, 42, first servo motor, 5, counter-force seat, 51, inverted U-shaped frame, 511, connecting hole, 512, recess, 52, top support ball, 53, side support ball, 54, running mechanism 541, second servo motor, 542, drive wheel, 55, braking mechanism, 551, braking telescopic cylinder, 552, connecting rod, 553, braking plate, 554, anti-slip layer, 6, leveling cushion.
Detailed Description
Example 1
The hanging basket walking pushing device described in the embodiment, as shown in fig. 1, comprises a track 1, two sliding seats 2 slidingly connected with the track 1, and a construction support 3 fixedly connected with the sliding seats 2, wherein the two sliding seats 2 can slide on the track 1 in a matched manner, and the construction support 3 is arranged between the two sliding seats 2 in a straddling manner and can slide on the track 1 along with the sliding seats 2. The device also comprises a moving mechanism 4 and a counterforce seat 5 which can move and lock on the track 1, wherein the moving mechanism 4 comprises a connecting rod 41 which is arranged in parallel with the track 1 and a first servo motor 42, two ends of the connecting rod 41 are respectively connected with the two sliding seats 2, and the first servo motor 42 is arranged on one side of one sliding seat 2. The reaction seat 5 is installed on the track 1, the reaction seat 5 is provided with a connecting hole 511 matched with the connecting rod 41, the moving mechanism 4 penetrates through the reaction seat 5 and is connected with the reaction seat 5, the moving mechanism 4 is used for driving the whole formed by the sliding seat 2 and the construction support 3 to move relative to the reaction seat 5, namely, when the reaction seat 5 is locked on the track 1, the moving mechanism 4 can drive the sliding seat 2 and the construction support 3 to move forwards.
In this embodiment, the first servo motor 42 is used to drive the connecting rod 41 to rotate, the construction support 3 is used to set up construction devices such as a template and a support, then concrete is poured on the template, after the current construction section is poured, the connecting rod 41 is driven to rotate by the first servo motor 42, and the moving mechanism 4, the sliding seat 2 and the construction support 3 form a whole which moves forward relative to the counter-force seat 5 due to the cooperation connection of the connecting rod 41 and the counter-force seat 5, so that the next construction section is further poured. When the distance between the sliding seat 2 and the construction support 3 reaches the maximum range of the moving mechanism 4, the reaction seat 5 can be controlled to move forward on the track 1, and after reaching the specified position, the reaction seat 5 is locked on the track 1, namely, the reaction seat 5 cannot move relative to the track 1.
The cradle running pushing device described in this embodiment can make the slide seat 2 and the construction support 3 move on the track 1 through controlling the moving mechanism 4 and the counterforce seat 5, thereby meeting the requirement of pouring construction, the device has high degree of automation, greatly reduces the difficulty of construction operation, can effectively improve the construction efficiency, and the moving mechanism 4 of this embodiment adopts a mode of matching a servo motor and a connecting rod, replaces the mode of an oil cylinder and an oil pump in the prior art, and is safer and more stable, easy to control, and improves the safety factor.
Example two
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the connection rod 41 and the connection hole 511. As shown in fig. 1, in this embodiment, the connecting rod 41 is a threaded rod, which is parallel to the track 1, and two ends of the threaded rod are respectively rotatably connected to the two sliding bases 2, and the connecting hole 511 is a threaded hole, and the threaded rod is in threaded connection with the threaded hole in a matching manner.
In this embodiment, the first servomotor 42 drives the threaded rod to rotate, and the threaded rod is coupled with the reaction seat 5 in a threaded manner, so that the whole of the moving mechanism 4, the slide 2 and the construction support 3 can move in position relative to the reaction seat 5.
Example III
The present embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the reaction force seat 5. As shown in fig. 2 and 3, the reaction seat 5 includes an inverted U-shaped frame 51 slidably mounted on the track 1, a supporting mechanism, a running mechanism 54 and a braking mechanism 55, a groove 512 is formed in the middle of the inner top of the inverted U-shaped frame 51, the lower end faces of two branches of the inverted U-shaped frame 51 are flush with the lower surface of the track 1, and a connecting hole 511 which is in fit connection with the connecting rod 41 is formed in the upper portion of the inverted U-shaped frame 51.
The supporting mechanism comprises a plurality of top supporting balls 52 and side supporting balls 53, wherein the two sides of the inner top of the inverted U-shaped frame 51 are provided with a plurality of top supporting balls 52 which are abutted against the top of the track 1, and the inner side surfaces of two branches of the inverted U-shaped frame 51 are provided with a plurality of side supporting balls 53 which are abutted against the side surfaces of the track 1. By means of the structure, stability of the counter-force seat 5 relative to the track 1 can be improved, and overall structural reliability is improved.
The running mechanism 54 comprises a second servo motor 541 and a driving wheel 542, the second servo motor 541 is mounted and fixed on the other branch of the inverted U-shaped frame 51, the driving wheel 542 is mounted and fixed on the output shaft of the second servo motor 541, the driving wheel 542 is in a circular truncated cone structure, the driving wheel 542 is matched with the inner top or inner bottom of the track 1 to be abutted, and an anti-slip coating matched with the track 1 can also be arranged on the surface of the driving wheel 542, so that the friction force is increased.
When the reaction seat 5 is required to move forwards on the track 1, the second servo motor 541 works to drive the driving wheel 542 to rotate, and the driving wheel 542 abuts against the track 1, so that the whole reaction seat 5 can move relative to the track 1, and the whole reaction seat 5, the moving mechanism 4, the sliding seat 2 and the construction support 3 can move relative to the track 1.
The braking mechanism 55 comprises a braking telescopic cylinder 551, a connecting rod 552, a braking plate 553 and an anti-slip layer 554, wherein the braking telescopic cylinder 551 is fixedly arranged on the inner side of one branch of the inverted U-shaped frame 51, the end part of a telescopic mandrel of the braking telescopic cylinder 551 is respectively connected and fixedly provided with the braking plate 553 through the two connecting rods 552, the two braking plates 553 are respectively matched with the inner top and the inner bottom of the track 1, and the anti-slip layer 554 is arranged on one side surface of the two braking plates 553 close to the track 1.
By defining the brake plates 553 to be disposed in cooperation with the rail 1, and the brake plates 553 to be disposed in two, the overall braking effect of the brake mechanism 55 can be enhanced, and the reliability of braking can be further enhanced by the anti-slip layer 554. The reaction seat 5 can be locked in the corresponding position of the rail by controlling the braking mechanism 55, i.e. the reaction seat 5 cannot move in position relative to the rail 1.
Example IV
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the slider 2. As shown in fig. 4, the sliding base 2 includes a main body 21 and reinforcing rib plates 22, the main body 21 is slidably disposed on the upper portion of the track 1, side sliding grooves 211 slidably disposed on both sides of the main body 21 and cooperatively disposed on the track 1, anti-falling protruding portions 212 slidably disposed on the inner top of the track 1 are further disposed on the lower ends of both sides of the main body 21, the reinforcing rib plates 22 are further disposed on the outer walls of both sides of the main body 21, and the upper ends of the reinforcing rib plates 22 are fixedly connected with the construction support 3.
Through the structure setting of main part 21, can promote slide 2 and the gliding stability of track 1 cooperation, through the setting of strengthening the arris board 22, can promote the structural strength that slide 2 supported construction support 3.
Example five
This embodiment is a modification of the above embodiment, and is a refinement of the above embodiment with respect to the track 1. As shown in fig. 2 and 4, the track 1 has an i-shaped structure, and the inner ends of the upper and lower inner sides of the track 1 are inclined toward the middle of the track 1, so that the structural strength of the track 1 and the adaptability of the track 1 to other components can be improved by the structural design. The lower side of the track 1 is provided with a plurality of leveling cushion blocks 6, and the leveling cushion blocks 6 are I-steel.
In the above embodiments, the control of the first servomotor 42, the second servomotor 541, and the brake telescopic cylinder 551 may be performed by using PLC controllers in the prior art, and the specific model and circuit connection of the first servomotor 42, the second servomotor 541, the brake telescopic cylinder 551, and the PLC controllers are not specifically limited, and may be flexibly set in practical application.
Finally, it should be noted that the above only illustrates the technical solution of the present invention and is not limiting, and although the present invention has been described in detail with reference to the preferred arrangement, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. The hanging basket running pushing device comprises a track (1), two sliding seats (2) which are in sliding connection with the track (1) and a construction support (3) which is fixedly connected with the sliding seats (2), and is characterized by further comprising a moving mechanism (4) and a counter-force seat (5) which can move and be locked on the track (1), wherein the moving mechanism (4) comprises a connecting rod (41) which is arranged in parallel with the track (1) and a first servo motor (42), two ends of the connecting rod (41) are respectively connected with the two sliding seats (2), the first servo motor (42) is arranged on one side of one sliding seat (2), the counter-force seat (5) is arranged on the track (1), a connecting hole (511) which is matched with the connecting rod (41) is formed in the counter-force seat (5), the moving mechanism (4) penetrates through the counter-force seat (5) and is connected with the counter-force seat (5), and the counter-force seat (5) comprises a reverse-force mechanism (51) which is arranged on the track (1) and a support frame (51), and the reverse-force seat (51) is arranged on the reverse-force seat (51); the counterforce seat (5) is locked at the corresponding position of the track by controlling the braking mechanism (55), the connecting rod (41) is a threaded rod, the connecting hole (511) is a threaded hole matched with the threaded rod, the connecting rod (41) is in threaded connection with the connecting hole (511), the first servo motor (42) drives the threaded rod to rotate, and the construction support (3) fixedly connected with the sliding seat (2) is driven to move relative to the counterforce seat (5);
the running mechanism (54) comprises a second servo motor (541) and a driving wheel (542), the second servo motor (541) is fixedly arranged on one side of the inverted U-shaped frame (51), the driving wheel (542) is fixedly connected with the second servo motor (541), and the driving wheel (542) is matched with the track (1); when the counterforce seat (5) is required to move forwards on the track (1), the braking mechanism releases the braking, and the second servo motor (541) of the running mechanism (54) drives the driving wheel (542) to abut against the track (1) to rotate so as to drive the counterforce seat (5) to move, so that the whole movement of the sliding seat (2) and the construction support (3) relative to the track (1) is realized;
the braking mechanism comprises a braking telescopic cylinder (551), a connecting rod (552) and braking plates (553), wherein the braking telescopic cylinder (551) is fixedly arranged on the other side of the inverted U-shaped frame (51), the braking telescopic cylinder (551) is respectively fixedly connected with two groups of braking plates (553) through two groups of connecting rods (552), and the two groups of braking plates (553) are respectively matched with the track (1).
2. The hanging basket walking pushing device according to claim 1, wherein the supporting mechanism comprises a top supporting ball (52) and a side supporting ball (53), the top supporting ball (52) is arranged at the inner top of the inverted U-shaped frame (51) and abuts against the top of the track (1), and the side supporting ball (53) is arranged at the inner side of the inverted U-shaped frame (51) and abuts against the side surface of the track (1).
3. The hanging basket walking pushing device according to claim 1, wherein a groove (512) is formed in the middle of the inner top of the inverted U-shaped frame (51), and the lower end face of the inverted U-shaped frame (51) is flush with the lower surface of the track (1).
4. The hanging basket walking pushing device according to claim 1, wherein the driving wheel (542) has a truncated cone-shaped structure, and an anti-slip coating matched with the track (1) is arranged on the surface of the driving wheel.
5. The hanging basket walking pushing device according to claim 1, wherein the two groups of braking plates (553) are provided with an anti-slip layer (554) on one surface close to the track (1).
6. The hanging basket walking pushing device according to claim 1, wherein the sliding seat (2) comprises a main body (21), sideslip grooves (211) matched with the rails (1) are formed in two sides of the main body (21), and anti-falling protruding portions (212) matched with the rails (1) are formed in lower ends of two sides of the main body (21).
7. The hanging basket walking pushing device according to claim 6, wherein the sliding seat (2) further comprises reinforcing rib plates (22) arranged on the outer walls of the two sides of the main body (21), and the reinforcing rib plates (22) are fixedly connected with the construction support (3).
8. The hanging basket walking pushing device according to any one of claims 1 to 7, wherein the rail (1) is of an i-shaped structure, inner ends of the upper portion and the lower portion of the rail (1) are inclined towards the middle of the rail (1), and a leveling cushion block (6) is arranged on the lower side of the rail (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868529.5A CN113585102B (en) | 2021-07-30 | 2021-07-30 | Hanging basket walking pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110868529.5A CN113585102B (en) | 2021-07-30 | 2021-07-30 | Hanging basket walking pushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113585102A CN113585102A (en) | 2021-11-02 |
| CN113585102B true CN113585102B (en) | 2023-05-30 |
Family
ID=78252344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110868529.5A Active CN113585102B (en) | 2021-07-30 | 2021-07-30 | Hanging basket walking pushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113585102B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118958174A (en) * | 2024-10-15 | 2024-11-15 | 中铁五局集团第一工程有限责任公司 | A super-large segment front support hanging basket device for bridge construction |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204591305U (en) * | 2015-04-08 | 2015-08-26 | 湖南五新重型装备有限公司 | A kind of fully automatic hydraulic walking system of tunnel lining trolley |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5056608B2 (en) * | 2008-06-17 | 2012-10-24 | 鹿島建設株式会社 | Retraction removal method and retraction device for mobile work vehicle for cantilever installation |
| CN202323777U (en) * | 2011-11-16 | 2012-07-11 | 卢治国 | Continuous traveling device for bridge suspension casting hanging basket |
| CN107245958A (en) * | 2017-08-10 | 2017-10-13 | 山东博远重工有限公司 | A kind of self-locking Hanging Basket advancement mechanism |
| CN208167564U (en) * | 2018-05-02 | 2018-11-30 | 江苏省交通工程集团有限公司 | A kind of Hanging Basket equipped with propulsion device |
| CN210888015U (en) * | 2019-08-02 | 2020-06-30 | 中铁二十四局集团浙江工程有限公司 | Hanging basket walking pushing device |
| CN212670319U (en) * | 2020-05-26 | 2021-03-09 | 中交一公局集团有限公司 | A hanging basket device for box girder construction |
| CN112012500B (en) * | 2020-07-07 | 2023-01-13 | 上海建工集团股份有限公司 | Wedge-shaped locking self-propelled pushing device and method |
| CN111874842B (en) * | 2020-07-07 | 2022-08-09 | 上海建工集团股份有限公司 | Eccentric locking self-propelled pushing device and method |
| CN213476657U (en) * | 2020-08-31 | 2021-06-18 | 中电建路桥集团有限公司 | Automatic walking device for bridge hanging basket |
| CN213625275U (en) * | 2020-10-22 | 2021-07-06 | 蓝海建设集团有限公司 | Template for bridge hanging basket |
-
2021
- 2021-07-30 CN CN202110868529.5A patent/CN113585102B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204591305U (en) * | 2015-04-08 | 2015-08-26 | 湖南五新重型装备有限公司 | A kind of fully automatic hydraulic walking system of tunnel lining trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113585102A (en) | 2021-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113585102B (en) | Hanging basket walking pushing device | |
| CN111438811A (en) | Concrete prefabricated section upset shedder | |
| CN107165665B (en) | Self-braking type frame moving vehicle | |
| CN104773453A (en) | Heavy-load cross shunt transport vehicle | |
| CN205114760U (en) | Automatic leveling device for variable-slope running container | |
| CN107601268B (en) | Portal crane | |
| CN101943004B (en) | Hydraulic self-running inclined-hole ordinary-state concrete casting trolley | |
| CN201077720Y (en) | Tyre type doors hanging | |
| CN201546737U (en) | Built-out door frame type steel mould trolley | |
| CN202658527U (en) | Full-hydraulic linkage hole passing device for form traveler | |
| CN101104499B (en) | Tyre gantry crane | |
| CN200971290Y (en) | Steering wheel-track grantries crane | |
| CN211644359U (en) | Monorail hoist's sideslip system | |
| CN206416145U (en) | A kind of float support dolly | |
| CN205000257U (en) | Moving die carrier travelling car | |
| CN112026844A (en) | Opposite rail trolley gear train set and rail changing method thereof | |
| CN109594476B (en) | Beam section sliding device suitable for curved beam | |
| CN201802410U (en) | Hydraulic self-traveling normal concrete casting trolley for an inclined tunnel | |
| CN214648235U (en) | Mine tunnel slide rail motor car | |
| CN116462103A (en) | Comprehensive operation vehicle for dismounting and mounting tracks in medium-low speed magnetic levitation transportation station and working method | |
| CN214165179U (en) | Front supporting leg inserting machine | |
| CN212801248U (en) | Prefabricated segment beam displacement trolley device | |
| CN212289860U (en) | Opposite rail trolley wheel train set | |
| CN2634119Y (en) | Slidnig track type full cross section formwork car | |
| CN210856941U (en) | Bridge prestress tensioning trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |