CN220434770U - Pipe sheet crane device of shield tunneling machine - Google Patents
Pipe sheet crane device of shield tunneling machine Download PDFInfo
- Publication number
- CN220434770U CN220434770U CN202321732096.1U CN202321732096U CN220434770U CN 220434770 U CN220434770 U CN 220434770U CN 202321732096 U CN202321732096 U CN 202321732096U CN 220434770 U CN220434770 U CN 220434770U
- Authority
- CN
- China
- Prior art keywords
- supporting
- splint
- fixedly connected
- unit
- arc
- 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
- 230000005641 tunneling Effects 0.000 title claims description 21
- 230000008093 supporting effect Effects 0.000 claims abstract description 97
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses a segment crane device of a shield machine, which relates to the technical field of tunnel construction equipment and comprises a crane beam, a rotating unit, an arc-shaped clamping plate inner supporting unit and a clamping plate unit; the bottom of the crane beam is connected with a rotating unit in a sliding manner, the bottom of the rotating unit is fixedly connected with the top center of the supporting top plate, and the two sides of the bottom of the supporting top plate are respectively and fixedly connected with the tops of two supporting vertical plates; the arc-shaped clamping plate inner supporting units are arranged at two ends of the bottom of the supporting top plate; the splint unit contains splint, protruding slide rail, lead screw and lead screw supporting shoe, and the vertical protruding slide rail of fixedly connected with between the bottom of two support risers, this section of jurisdiction loop wheel machine device props the unit through setting up splint unit and arc splint, opens and shuts about through the splint unit, and the section of jurisdiction of different specifications is got to clamp that can be better, simultaneously, utilizes the telescopic effect of arc splint can be better with the better firm of splint that presss from both sides to get, provides the effect that prevents the slip.
Description
Technical Field
The utility model relates to the technical field of tunnel construction equipment, in particular to a segment crane device of a shield tunneling machine.
Background
In the construction process of an underground tunnel, the shield tunneling machine pipe piece crane device is important transportation construction equipment in the shield tunneling machine, and the shield tunneling machine pipe piece crane device has the function of unloading the pipe piece from the pipe piece transport vehicle and transporting the pipe piece to the lower part of the grabbing range of the pipe piece splicing machine, so that the efficiency and the reliability of the shield tunneling machine pipe piece crane device can directly influence the construction progress.
The shield machine segment crane device provided by the prior art with the authorized bulletin number of CN209369839U comprises three segments of hanging beams, a hinging mechanism and a chain, wherein the hanging beams are connected through the hinging mechanism, the three segments of hanging beams form an S-shaped structure, and the bottom surface of each hanging beam is provided with a mounting block; the chain is fixed on the mounting block through bolts; the hinge mechanism comprises a bottom plate, a side plate, a first lug plate and a connecting plate, wherein the bottom plate is arranged on the top surface of the hanging beam and is positioned at the joint between two sections of hanging beams; the side plates are provided with two blocks which are respectively arranged at two ends of the top surface of the bottom plate; the first ear plates are provided with pin holes, are respectively arranged on the side plates and are mutually perpendicular; the connection plate connects the first ear panels together.
When the common shield tunneling machine pipe piece crane device is used, the flexible connection mode of the chain connection hoisting head is generally adopted to hoist pipe pieces, the pipe pieces are easy to shake or deflect in the hoisting process, the hoisting of the pipe pieces is not stable enough, the hoisting efficiency is low, the pipe pieces are easy to fall off and break or safety accidents occur, the hoisting is mostly designed and used for pipe pieces with specific sizes, the shield tunneling machine pipe piece crane device is not suitable for hoisting and fixing pipe pieces with different sizes, and the hoisting heads with different types are required to be replaced when the pipe pieces with different sizes are required to be hoisted, so that the shield tunneling machine pipe piece crane device is provided for solving the problems.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides a segment crane device for a shield tunneling machine, which can better clamp segments with different specifications by arranging a clamping plate unit and an arc-shaped clamping plate inner supporting unit and opening and closing the clamping plate unit left and right, and simultaneously, the clamping plates clamped by the arc-shaped clamping plate can be better and firmly provided by utilizing the telescopic effect of the arc-shaped clamping plate, so that the problem in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a shield tunneling machine pipe slice crane device comprises a crane beam, a rotating unit, an arc-shaped clamping plate inner supporting unit and a clamping plate unit;
crane beam: the bottom of the rotating unit is fixedly connected with the top center of the supporting top plate, and the two sides of the bottom of the supporting top plate are respectively and fixedly connected with the tops of the two supporting vertical plates;
arc splint internal stay unit: are arranged at two ends of the bottom of the supporting top plate;
splint unit: contain splint, protruding type slide rail, lead screw and lead screw supporting shoe, the vertical protruding type slide rail of fixedly connected with between the bottom of two support risers, the recess department sliding connection of protruding type slide rail has two splint tops of front and back distribution, the both ends of protruding type slide rail are fixedly connected with lead screw supporting shoe respectively, rotate between two lead screw supporting shoes and be connected with the lead screw, the both ends screw thread opposite direction of lead screw, and the both ends of lead screw respectively with the top threaded connection of two splint, the bottom of splint is V-arrangement structure, and the inside fixedly connected with lug respectively in bottom both ends of splint.
The crane beam is used for providing support for moving back and forth, the rotating unit is used for rotating the arc-shaped clamping plate unit and the clamping plate unit, the screw rod supporting block is used for fixing the screw rod, the screw rod keeps supporting and keeps steady operation in the rotating process of the screw rod, the screw rod rotates, the clamping plate is driven to open and close through the screw threads opposite to the screw rod, and the clamping plate keeps steady operation when the clamping plate is opened and closed smoothly through the limiting function of the convex sliding rail.
Further, the splint unit still includes axis of rotation, motor support, driving bevel gear and driven bevel gear, the middle part fixedly connected with driven bevel gear of lead screw, middle side fixed connection motor support between two support risers, fixed mounting has the motor on the motor support, the top of the output shaft fixed connection axis of rotation of motor bottom, the bottom fixed connection driving bevel gear of axis of rotation, driven bevel gear is connected with the driving bevel gear meshing.
The motor support is used for fixing the motor above the drive bevel gear, the motor outputs power to rotate to drive the rotation shaft to rotate, the rotation shaft rotates to drive the drive bevel gear, and the driven bevel gear is meshed to drive the rotation of the drive bevel gear.
Further, the rotating unit comprises a sliding seat, reinforcing rib plates, a supporting plate and sliding rails, wherein sliding grooves on two sides of the bottom of a crane beam are respectively connected with the two sliding rails in a sliding mode, the bottoms of the two sliding rails are respectively fixedly connected with two sides of the top of the supporting plate through the sliding seat, and the outer side of the sliding seat is fixedly connected with the top of the supporting plate through the reinforcing rib plates. The sliding seat is used for connecting the supporting beam, and simultaneously the supporting plate is connected, and the supporting plate provides supporting role for other parts, and the reinforcing rib plate is used for providing firm effect, and the slide rail is used for keeping steady when the sliding seat slides on the supporting beam.
Further, the rotating unit further comprises a steering shaft, a steering motor and a steering motor support, the two sliding seats are fixedly connected with the steering motor through the steering motor support, an output shaft at the bottom of the steering motor is fixedly connected with the top end of the steering shaft, the middle part of the steering shaft is rotationally connected with a through hole in the middle of the supporting plate, and the bottom end of the steering shaft is fixedly connected with the top center of the supporting top plate. The steering motor bracket is used for fixing a steering motor, and the steering motor rotates to drive the steering shaft to rotate, so that the clamping plate is driven to rotate.
Further, the arc splint internal stay unit contains hydraulic telescoping rod, supporting baseplate, arc, and the upside of two supporting baseplate of bottom respectively fixed connection of two supporting risers, the top of two hydraulic telescoping rods of bottom both sides respectively fixed connection of supporting roof, the top both ends of the top of two hydraulic telescoping rods of bottom respectively pass the logical groove on two supporting risers and fixed connection arc. The hydraulic telescopic rod is used for enabling the arc plate to move up and down, so that the duct piece is clamped up and down, the duct piece is kept stable, the supporting bottom plate is used for providing supporting effect for the hydraulic telescopic rod in the telescopic process, and the arc structure of the arc plate is more beneficial to clamping the duct piece and can be used for better clamping the duct piece.
Further, the arc-shaped clamping plate inner supporting unit further comprises a rubber pad, and the rubber pad is adhered to the bottom surface of the arc-shaped plate. The rubber pad is used for providing flexible support when the clamping plate clamps the duct piece, and the inner surface of the duct piece is prevented from being damaged.
Compared with the prior art, the utility model has the beneficial effects that:
1. this shield constructs quick-witted pipe piece loop wheel machine device has set up the arc splint, through the arc design, the arc structure of agreeing with the section of jurisdiction that can be better makes it can be at the handling in-process, prevents that it from taking place to rock and drop, can be at hoist and mount in-process safer.
2. The shield tunneling machine pipe piece crane device can control the left and right movement of the clamping plate by utilizing the principle that screw threads are rotated to be different, so that the crane device can hoist pipe pieces with the specification and the size, and the application range is wide.
3. The shield tunneling machine segment crane device can enable the motor to move back and forth at the space position and rotate through the design of the cross beam sliding rail and the motor steering design above, so that the use range of the crane device is improved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3 according to the present utility model.
In the figure: the hydraulic lifting device comprises a crane beam 1, a rotating unit 2, a sliding seat 21, a reinforcing rib plate 22, a supporting plate 23, a steering shaft 24, a steering motor 25, a steering motor bracket 26, a sliding rail 27, a supporting top plate 3, a supporting vertical plate 4, an arc-shaped clamping plate inner supporting unit 5, a hydraulic telescopic rod 51, a supporting bottom plate 52, a rubber pad 53, an arc-shaped plate 54, a clamping plate 6, a clamping plate 61, a convex sliding rail 62, a lead screw 63, a lead screw 64, a lead screw supporting block 65, a rotating shaft 66, a motor 67, a motor bracket 68, a driving bevel gear 69 and a driven bevel gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution: a shield tunneling machine pipe slice crane device comprises a crane beam 1, a rotating unit 2, an arc-shaped clamping plate inner supporting unit 5 and a clamping plate unit 6;
crane beam 1: the bottom is connected with a rotating unit 2 in a sliding manner, the bottom of the rotating unit 2 is fixedly connected with the top center of a supporting top plate 3, and two sides of the bottom of the supporting top plate 3 are respectively and fixedly connected with the tops of two supporting vertical plates 4; the rotating unit 2 comprises a sliding seat 21, a reinforcing rib plate 22, a supporting plate 23 and sliding rails 27, wherein sliding grooves on two sides of the bottom of the crane beam 1 are respectively and slidably connected with the two sliding rails 27, the bottoms of the two sliding rails 27 are respectively and fixedly connected with two sides of the top of the supporting plate 23 through the sliding seat 21, and the outer side of the sliding seat 21 is fixedly connected with the top of the supporting plate 23 through the reinforcing rib plate 22. The sliding seat 21 is used for connecting the supporting beam 1 and simultaneously connecting the supporting plate 23, the supporting plate 23 provides supporting function for other parts, the reinforcing rib plate 22 is used for providing stabilizing function, and the sliding rail 27 is used for keeping stable when the sliding seat 21 slides on the supporting beam 1.
The rotating unit 2 further comprises a steering shaft 24, a steering motor 25 and a steering motor bracket 26, the two sliding seats 21 are fixedly connected with the steering motor 25 through the steering motor bracket 26, an output shaft at the bottom of the steering motor 25 is fixedly connected with the top end of the steering shaft 24, the middle part of the steering shaft 24 is rotatably connected with a through hole in the middle part of the supporting plate 23, and the bottom end of the steering shaft 24 is fixedly connected with the top center of the supporting top plate 3. The steering motor bracket 26 is used for fixing the steering motor 25, and the steering motor 25 rotates to drive the steering shaft 24 to rotate, so as to drive the clamping plate to rotate.
Arc splint internal stay unit 5: are arranged at two ends of the bottom of the supporting top plate 3; the arc-shaped clamping plate internal supporting unit 5 comprises a hydraulic telescopic rod 51, a supporting bottom plate 52 and an arc-shaped plate 54, wherein the bottoms of the two supporting vertical plates 4 are respectively and fixedly connected with the upper sides of the two supporting bottom plates 52, the two sides of the bottom of the supporting top plate 3 are respectively and fixedly connected with the top ends of the two hydraulic telescopic rods 51, and the bottoms of the two hydraulic telescopic rods 51 respectively penetrate through grooves in the two supporting vertical plates 4 and are fixedly connected with the two ends of the top of the arc-shaped plate 54. The hydraulic telescopic rod 51 is used for enabling the arc plate 54 to move up and down, so that the pipe piece is clamped up and down, the pipe piece is kept stable, the supporting bottom plate 52 is used for supporting the hydraulic telescopic rod 51 in the telescopic process, and the arc structure of the arc plate 54 is more beneficial to clamping the pipe piece better.
The arc-shaped splint internal bracing unit 5 further comprises a rubber pad 53, and the rubber pad 53 is adhered to the bottom surface of the arc-shaped plate 54. The rubber pad 53 is used for providing flexible support when clamping the segment, and preventing damage to the inner surface of the segment.
Splint unit 6: contain splint 61, protruding type slide rail 62, lead screw 63 and lead screw supporting shoe 64, fixedly connected with fore-and-aft protruding type slide rail 62 between the bottom of two support risers 4, the recess of protruding type slide rail 62 department sliding connection has two splint 61 tops of front and back distribution, the both ends of protruding type slide rail 62 are fixedly connected with lead screw supporting shoe 64 respectively, rotate between two lead screw supporting shoes 64 and be connected with lead screw 63, the both ends screw thread opposite direction of lead screw 63, and the both ends of lead screw 63 respectively with the top threaded connection of two splint 61, the bottom of splint 61 is V-arrangement structure, and the bottom both ends inboard fixedly connected with lug respectively of splint 61.
The crane beam 1 is used for providing support for moving forwards and backwards, the rotating unit 2 is used for rotating the arc-shaped clamping plate unit 5 and the clamping plate unit 6, the screw rod supporting block 64 is used for fixing the screw rod 61, the screw rod 61 is rotated, the clamping plates 61 are driven to open and close through opposite threads on the screw rod 61, and the clamping plates 61 are limited by the convex sliding rail 62, so that the clamping plates 61 can be smoothly opened and closed and simultaneously keep stable operation.
The clamping plate unit 6 further comprises a rotating shaft 65, a motor 66, a motor support 67, a driving bevel gear 68 and a driven bevel gear 69, the middle part of the screw rod 63 is fixedly connected with the driven bevel gear 69, the middle side between the two supporting risers 4 is fixedly connected with the motor support 67, the motor 66 is fixedly installed on the motor support 67, an output shaft at the bottom of the motor 66 is fixedly connected with the top end of the rotating shaft 65, the bottom end of the rotating shaft 65 is fixedly connected with the driving bevel gear 68, and the driven bevel gear 69 is meshed and connected with the driving bevel gear 68.
The motor bracket 67 is used for fixing the motor 67 above the drive bevel gear 68, the motor 67 outputs power to rotate to drive the rotation shaft 65 to rotate, the rotation shaft 65 rotates to drive the drive bevel gear 68, and the driven bevel gear 69 is meshed to drive through the rotation of the drive bevel gear 65.
The working principle of the segment crane device of the shield tunneling machine provided by the utility model is as follows:
the crane beam 1 is used for providing support for moving forwards and backwards, the rotating unit 2 is used for rotating the arc-shaped clamping plate unit 5 and the clamping plate unit 6, the screw rod supporting block 64 is used for fixing the screw rod 61, the screw rod 61 is rotated, the clamping plates 61 are driven to open and close through opposite threads on the screw rod 61, and the clamping plates 61 are limited by the convex sliding rail 62, so that the clamping plates 61 can be smoothly opened and closed and simultaneously keep stable operation. The motor bracket 67 is used for fixing the motor 67 above the drive bevel gear 68, the motor 67 outputs power to rotate to drive the rotation shaft 65 to rotate, the rotation shaft 65 rotates to drive the drive bevel gear 68, and the driven bevel gear 69 is meshed to drive through the rotation of the drive bevel gear 65. The sliding seat 21 is used for connecting the supporting beam 1 and simultaneously connecting the supporting plate 23, the supporting plate 23 provides supporting function for other parts, the reinforcing rib plate 22 is used for providing stabilizing function, and the sliding rail 27 is used for keeping stable when the sliding seat 21 slides on the supporting beam 1. The steering motor bracket 26 is used for fixing the steering motor 25, and the steering motor 25 rotates to drive the steering shaft 24 to rotate, so as to drive the clamping plate to rotate. The hydraulic telescopic rod 51 is used for enabling the arc plate 54 to move up and down, so that the pipe piece is clamped up and down, the pipe piece is kept stable, the supporting bottom plate 52 is used for supporting the hydraulic telescopic rod 51 in the telescopic process, and the arc structure of the arc plate 54 is more beneficial to clamping the pipe piece better. The rubber pad 53 is used for providing flexible support when clamping the segment, and preventing damage to the inner surface of the segment.
It should be noted that the input ends of the steering motor 25 and the motor 66 disclosed in the above embodiments are electrically connected to the output end of the external power source through the external control switch set, and the steering motor 25 and the motor 66 are speed-adjustable motors, and the external control switch set controls the operation of the steering motor 25 and the motor 66 by a method commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a shield constructs quick-witted pipe piece loop wheel machine which characterized in that: comprises a crane beam (1), a rotating unit (2), an arc-shaped clamping plate inner supporting unit (5) and a clamping plate unit (6);
crane beam (1): the bottom of the rotating unit (2) is connected with the top center of the supporting top plate (3) in a sliding manner, and the two sides of the bottom of the supporting top plate (3) are respectively connected with the tops of the two supporting vertical plates (4) in a fixed manner;
arc splint internal stay unit (5): are arranged at two ends of the bottom of the supporting top plate (3);
splint unit (6): contain splint (61), protruding type slide rail (62), lead screw (63) and lead screw supporting shoe (64), fixedly connected with fore-and-aft protruding type slide rail (62) between the bottom of two support risers (4), the recess department sliding connection of protruding type slide rail (62) has two splint (61) tops of front and back distribution, the both ends of protruding type slide rail (62) are fixedly connected with lead screw supporting shoe (64) respectively, rotate between two lead screw supporting shoes (64) and are connected with lead screw (63), the both ends screw thread opposite direction of lead screw (63), and the both ends of lead screw (63) respectively with the top threaded connection of two splint (61), the bottom of splint (61) is V-arrangement structure, and the bottom both ends inboard of splint (61) are fixedly connected with lug respectively.
2. The shield tunneling machine pipe sheet crane device according to claim 1, wherein: the clamping plate unit (6) further comprises a rotating shaft (65), a motor (66), a motor support (67), a driving bevel gear (68) and a driven bevel gear (69), the middle part of the screw rod (63) is fixedly connected with the driven bevel gear (69), the middle side between the two supporting risers (4) is fixedly connected with the motor support (67), the motor support (67) is fixedly provided with the motor (66), the output shaft at the bottom of the motor (66) is fixedly connected with the top end of the rotating shaft (65), the bottom end of the rotating shaft (65) is fixedly connected with the driving bevel gear (68), and the driven bevel gear (69) is meshed with the driving bevel gear (68).
3. The shield tunneling machine pipe sheet crane device according to claim 1, wherein: the rotating unit (2) comprises a sliding seat (21), reinforcing rib plates (22), supporting plates (23) and sliding rails (27), wherein sliding grooves on two sides of the bottom of the crane beam (1) are respectively connected with the two sliding rails (27) in a sliding mode, the bottoms of the two sliding rails (27) are respectively fixedly connected with two sides of the top of the supporting plates (23) through the sliding seat (21), and the outer sides of the sliding seat (21) are fixedly connected with the tops of the supporting plates (23) through the reinforcing rib plates (22).
4. A shield tunneling machine pipe sheet crane apparatus according to claim 3, wherein: the rotating unit (2) further comprises a steering shaft (24), a steering motor (25) and a steering motor support (26), the steering motor (25) is fixedly connected between the two sliding seats (21) through the steering motor support (26), an output shaft at the bottom of the steering motor (25) is fixedly connected with the top end of the steering shaft (24), the middle part of the steering shaft (24) is rotationally connected with a through hole in the middle of the supporting plate (23), and the bottom end of the steering shaft (24) is fixedly connected with the top center of the supporting top plate (3).
5. The shield tunneling machine pipe sheet crane device according to claim 1, wherein: the arc splint internal stay unit (5) contains hydraulic telescoping rod (51), supporting baseplate (52), arc (54), and the bottom of two supporting risers (4) is the upside of two supporting baseplate (52) of fixed connection respectively, the bottom both sides of supporting roof (3) are the top of two hydraulic telescoping rod (51) of fixed connection respectively, and the top both ends of logical groove and fixed connection arc (54) on two supporting risers (4) are passed respectively to the bottom of two hydraulic telescoping rod (51).
6. The shield tunneling machine pipe sheet crane apparatus of claim 5, wherein: the arc-shaped splint internal bracing unit (5) further comprises a rubber pad (53), and the rubber pad (53) is adhered to the bottom surface of the arc-shaped plate (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732096.1U CN220434770U (en) | 2023-07-04 | 2023-07-04 | Pipe sheet crane device of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321732096.1U CN220434770U (en) | 2023-07-04 | 2023-07-04 | Pipe sheet crane device of shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434770U true CN220434770U (en) | 2024-02-02 |
Family
ID=89694837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321732096.1U Active CN220434770U (en) | 2023-07-04 | 2023-07-04 | Pipe sheet crane device of shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434770U (en) |
-
2023
- 2023-07-04 CN CN202321732096.1U patent/CN220434770U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110329903B (en) | Hardware pipe fitting gantry crane with switchable clamps | |
| US8496237B2 (en) | Apparatus for fabrication of structural members | |
| CN106337599B (en) | Electric system electric pole intelligence stringer | |
| CN114013975A (en) | Multi freedom goods upset transfer device | |
| CN104594944B (en) | Efficient safe mine hydraulic bracket mounting transport vehicle | |
| JP2023025677A (en) | Tool for automatically assembling, reversing and welding side-wall aluminum mold material of railway vehicle | |
| CN109869169A (en) | A kind of arch clamping cantilever crane | |
| CN220434770U (en) | Pipe sheet crane device of shield tunneling machine | |
| CN113217708B (en) | Positioning and supporting device for construction of large-diameter pipeline | |
| US4185158A (en) | Apparatus for electric furnace capable of effecting electrode connection and refractory lining repairs independently of each other | |
| CN210236252U (en) | All-round automatic flexible loader | |
| CN217976238U (en) | Steel frame rapid installation hinging device based on three-arm arch frame installation trolley | |
| US3074562A (en) | Rail handler | |
| CN106627312A (en) | Vehicle-mounted dual-sliding-block multipoint loading and unloading crane and logistic vehicle | |
| CN110668303A (en) | Tire type tunnel pipe rack conveying and erecting machine | |
| CN215159374U (en) | Connecting rod slider formula protection device for hydraulic pressure unloading machine | |
| CN220742832U (en) | Assembled door bridge carrying device | |
| CN210973112U (en) | Spliced boarding bridge | |
| KR960000606Y1 (en) | Device for unloading freight car | |
| CN202202883U (en) | Device for loading and unloading underground support | |
| CN219101376U (en) | Segment conveying device | |
| CN113668627B (en) | Telescopic crawler support carrier and support carrying method | |
| CN215393431U (en) | A upset weldment work station for hydraulic support structure base | |
| CN221500408U (en) | Lifting device | |
| CN215830427U (en) | Anchor rod crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |