CN111677529A - Lining cutting platform truck - Google Patents
Lining cutting platform truck Download PDFInfo
- Publication number
- CN111677529A CN111677529A CN202010495398.6A CN202010495398A CN111677529A CN 111677529 A CN111677529 A CN 111677529A CN 202010495398 A CN202010495398 A CN 202010495398A CN 111677529 A CN111677529 A CN 111677529A
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- fixedly connected
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- cross frame
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- 239000004568 cement Substances 0.000 claims description 23
- 241001669679 Eleotris Species 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a lining trolley which comprises a first cross frame and a rail, wherein pulley frames are fixedly connected to two ends of the lower surface of the first cross frame, the pulley frames are connected with the rail in a sliding mode, first hydraulic cylinders are fixedly connected to two sides of the upper surface of the first cross frame, a second cross frame is fixedly connected between the side surfaces of the first hydraulic cylinders, a third cross frame is fixedly connected between the top ends of the first hydraulic cylinders, and a second hydraulic cylinder is fixedly connected between the upper surface of the second cross frame and the lower surface of the third cross frame. The trolley in the lining trolley is driven by the motor to move, so that the driving device is not required to be adopted for traction, and compared with the prior art, the device is provided with the moving and fixing two groups of components, the stability of the device in working can be improved, and when the connecting cross frame in the device is separated from the device body, the influence on the device body can be avoided when the connecting cross frame touches the top end of the tunnel.
Description
Technical Field
The invention relates to the technical field of trolleys, in particular to a lining trolley.
Background
The tunnel lining trolley is special equipment which must be used in secondary lining in the tunnel construction process and is used for concrete lining construction of the inner wall of the tunnel. The concrete lining trolley is an indispensable nonstandard product for secondary lining in the tunnel construction process and mainly comprises a simple lining trolley, a full-hydraulic automatic walking lining trolley and a net frame type lining trolley. The full hydraulic lining trolley can be divided into a side top arch type, a full-circle needle beam type, a bottom mould needle beam type, a full-circle penetrating type and the like.
Chinese patent discloses a tunnel lining trolley (publication number: CN105736014B), which comprises an arc-shaped template unit, a framework unit and an adjusting and supporting unit; the template unit comprises a first side template group, a top template and a second side template group; the inner surface of the template unit between the first side template group and the top template is provided with a first notch, and one side of the framework unit is connected with a first supporting component; and a second notch is formed in the inner surface of the template unit between the second side template group and the top template, and the other side of the framework unit is connected with a second supporting component.
Current platform truck single structure, after concreting, need remove the device to next region, current platform truck needs to use extra drive arrangement, leads to the cost to increase to the operation is inconvenient, and the removal component can bring fixed unstable negative effects to it at the platform truck during operation simultaneously, and current cement pump is inconvenient when using to be controlled, and the top of platform truck takes place to touch with the tunnel easily.
Disclosure of Invention
Technical problem to be solved
The invention provides a lining trolley, which solves the problems that the existing trolley is single in structure, the device needs to be moved to the next area after pouring concrete, the existing trolley needs an additional driving device, the manufacturing cost is increased, the operation is inconvenient, meanwhile, the moving member can bring negative effects of unstable fixation to the trolley when the trolley works, meanwhile, the existing cement pump is inconvenient to operate and control when in use, and the top end of the trolley is easy to touch a tunnel.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a lining trolley comprises a first cross frame and a track, wherein pulley frames are fixedly connected to two ends of the lower surface of the first cross frame, the pulley frames are in sliding connection with the track, first hydraulic cylinders are fixedly connected to two sides of the upper surface of the first cross frame, a second cross frame is fixedly connected between the side surfaces of the first hydraulic cylinders, a third cross frame is fixedly connected between the top ends of the first hydraulic cylinders, a second hydraulic cylinder is fixedly connected between the upper surface of the second cross frame and the lower surface of the third cross frame, a support rod is fixedly connected between the second cross frame and the first hydraulic cylinder, a connecting cross frame is arranged on the upper side of the third cross frame, a plurality of connectors are fixedly connected between the third cross frame and the connecting cross frame, a sliding frame is fixedly connected to the upper surface of the connecting cross frame, a cement pump is slidably connected to the inside of the sliding frame, platforms are fixedly connected to the outer side of the first hydraulic cylinder and two ends of the connecting cross frame, the upper surface fixedly connected with guardrail of platform, and the lower fixed surface of platform is connected with the cat ladder, the platform lower surface is close to the outside fixedly connected with protective frame of cat ladder.
Preferably, the upper surface of the pulley frame at one end of the lower side of the first transverse frame is fixedly connected with a first motor, one side of the first motor is provided with a speed reducer, and the first motor, the speed reducer and the driving structure in the pulley frame are all driven through belt structures.
Preferably, the side surfaces of the upper surface of the rail are fixedly connected with side plates, the bottom end of the third hydraulic cylinder is fixedly connected with a sleeper structure, and the sleeper structure at the bottom end of the third hydraulic cylinder is located inside the side plates.
Preferably, the inside of skid is provided with the hold-in range, the inside meshing of hold-in range one end is connected with the fixed pulley, the both ends of fixed pulley all are connected with the inner wall rotation of skid, the inside other end fixedly connected with second motor that is close to the hold-in range of skid, the output and the hold-in range meshing of second motor are connected.
Preferably, one side of the cement pump is fixedly connected with a rotating wheel, the rotating wheel is meshed with the synchronous belt and connected with the synchronous belt, a plurality of hydraulic rods are fixedly connected to the upper side and the lower side of the inside of the skid, brake plates are fixedly connected between the output ends of the hydraulic rods on the same side, and the brake plates are located on two sides of the rotating shaft of the rotating wheel.
Preferably, the inside of the skid is fixedly connected with a limiting member parallel to the movement direction of the cement pump, and the cement pump is sleeved outside the limiting member.
Preferably, the groove has all been seted up to one side that third crossbearer upper surface and connection crossbearer lower surface are close to the connector and has been accomodate the groove, the connector includes the outer guard box of first outer guard box and second, the outer guard box of first outer guard box and second is located two insides of accomodating the groove respectively, and just first outer guard box rotates with the connection crossbearer to be connected, the outer guard box of second rotates with the third crossbearer to be connected.
Preferably, the equal fixedly connected with turning block in both sides on the inside top of first outer guard box and the inside bottom of second outer guard box, the turning block all rotates and is connected with the dwang, it is connected with the connecting block to rotate between the dwang on same vertical side, fixedly connected with reset spring between the connecting block.
(III) advantageous effects
The invention provides a lining trolley. The method has the following beneficial effects:
(1) this lining cutting platform truck, the equal fixedly connected with pulley yoke in both ends through first crossbearer lower surface, pulley yoke and track sliding connection, the first motor of last fixed surface of first crossbearer downside one end pulley yoke, one side of first motor is provided with the speed reducer, and first motor, all drive through the belt structure between speed reducer and the pulley yoke internal drive structure, the equal fixedly connected with curb plate in side of track upper surface, the bottom fixedly connected with sleeper structure of third pneumatic cylinder, and the sleeper structure of third pneumatic cylinder bottom is located the inside of curb plate, platform truck self among this device adopts motor drive to remove, thereby needn't adopt actuating device to pull, can reduce the construction cost, and compare in prior art, this device sets up and removes and fixes two sets of components, can improve the stability of device during operation.
(2) This lining cutting platform truck, upper surface fixedly connected with runner through connecting the crossbearer, the inside sliding connection of runner has the cement pump, one side fixedly connected with of cement pump rotates the wheel, it is connected with the hold-in range meshing to rotate the wheel, the inside upper and lower inside of runner, a plurality of hydraulic stem of the equal fixedly connected with in both sides, fixedly connected with braking vane between the hydraulic stem output with one side, the braking vane is located the both sides of rotating the wheel axis of rotation, the cement pump in this device is controlled through the hold-in range, moreover, the steam generator is simple in structure, conveniently control, and when needs are fixed, can carry out extra fixed to the connection position of cement pump and rotation wheel through hydraulic stem and braking vane, thereby can improve the stability when the device uses.
(3) The lining trolley is characterized in that a connecting cross frame is arranged on the upper side of a third cross frame, a plurality of connectors are fixedly connected between the third cross frame and the connecting cross frame, each connector comprises a first outer protection box and a second outer protection box, the first outer protection box and the second outer protection box are respectively positioned in two containing grooves, two sides of the top end of the inner part of the first outer protection box and two sides of the bottom end of the inner part of the second outer protection box are respectively and fixedly connected with a rotating block, the rotating blocks are respectively and rotatably connected with a rotating rod, connecting blocks are rotatably connected between the rotating rods in the same vertical direction, a reset spring is fixedly connected between the connecting blocks, when the connecting cross frame in the device is separated from the device body, can avoid causing the influence to the device body when connecting the crossbearer and taking place the touching with the tunnel top, connect the crossbearer simultaneously and pass through the connector and can weaken the touching influence to connecting the crossbearer.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a partial enlarged view of portion A of the present invention;
FIG. 3 is a partial cross-sectional view of the skid in the knot of the present invention;
FIG. 4 is a partial enlarged view of portion B of the present invention;
fig. 5 is a cross-sectional view of the connector of the present invention.
In the figure, 1, a first cross frame; 2. a track; 3. a pulley yoke; 4. a second cross frame; 5. a first hydraulic cylinder; 6. a third cross frame; 7. a second hydraulic cylinder; 8. connecting the transverse frame; 9. a connector; 10. a skid frame; 11. a cement pump; 12. a platform; 13. a guardrail; 14. climbing a ladder; 15. a protective frame; 16. a first motor; 17. a synchronous belt; 18. a fixed wheel; 19. a second motor; 20. a rotating wheel; 21. a hydraulic lever; 22. a brake plate; 23. a support bar; 24. a third hydraulic cylinder; 25. a receiving groove; 201. a side plate; 91. connecting blocks; 92. a first outer protective case; 93. a second outer protective case; 94. rotating the block; 95. rotating the rod; 96. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a lining trolley comprises a first cross frame 1 and a track 2, wherein both ends of the lower surface of the first cross frame 1 are fixedly connected with pulley frames 3, the pulley frames 3 are in sliding connection with the track 2, the upper surface of the pulley frame 3 at one end of the lower side of the first cross frame 1 is fixedly connected with a first motor 16, one side of the first motor 16 is provided with a speed reducer, the first motor 16, the speed reducer and an internal driving structure of the pulley frames 3 are driven by a belt structure, the side surface of the upper surface of the track 2 is fixedly connected with a side plate 201, the bottom end of a third hydraulic cylinder 24 is fixedly connected with a sleeper structure, the sleeper structure at the bottom end of the third hydraulic cylinder 24 is positioned inside the side plate 201, the trolley in the device is driven by a motor to move, so that driving equipment is not needed to be used for traction, the construction cost can be reduced, and compared with the prior art, the device is provided with two groups of, the stability of the device during operation can be improved, both sides of the upper surface of the first cross frame 1 are fixedly connected with first hydraulic cylinders 5, the sides of the first hydraulic cylinders 5 are fixedly connected with second cross frames 4, the top ends of the first hydraulic cylinders 5 are fixedly connected with third cross frames 6, the upper surface of the second cross frames 4 is fixedly connected with second hydraulic cylinders 7, the upper surface of the second cross frames 4 is fixedly connected with the lower surfaces of the third cross frames 6, supporting rods 23 are fixedly connected between the second cross frames 4 and the first hydraulic cylinders 5, the upper side of the third cross frames 6 is provided with connecting cross frames 8, a plurality of connectors 9 are fixedly connected between the third cross frames 6 and the connecting cross frames 8, the upper surface of the third cross frames 6 and the lower surface of the connecting cross frames 8 are respectively provided with accommodating grooves 25 at one side close to the connectors 9, each connector 9 comprises a first outer protection box 92 and a second outer protection box 93, the first outer protection box 92 and the second outer protection box 93 are respectively positioned inside the two accommodating grooves 25, the first outer protective box 92 is rotatably connected with the connecting cross frame 8, the second outer protective box 93 is rotatably connected with the third cross frame 6, the two sides of the top end in the first outer protective box 92 and the two sides of the bottom end in the second outer protective box 93 are both fixedly connected with the rotating blocks 94, the rotating blocks 94 are both rotatably connected with the rotating rods 95, the connecting blocks 91 are rotatably connected between the rotating rods 95 in the same vertical direction, the reset springs 96 are fixedly connected between the connecting blocks 91, when the connecting cross frame in the device is separated from the device body, the influence on the device body can be avoided when the connecting cross frame is contacted with the top end of the tunnel, meanwhile, the connecting cross frame can weaken the influence of the contact on the connecting cross frame through the connector, the sliding frame 10 is fixedly connected on the upper surface of the connecting cross frame 8, the cement pump 11 is slidably connected in the sliding frame 10, the synchronous belt 17 is arranged in the sliding frame 10, the inside meshing of one end of hold-in range 17 is connected with the fixed pulley 18, both ends of the fixed pulley 18 are all connected with the inner wall of the skid 10 in a rotating way, the other end of the inside of the skid 10 close to the hold-in range 17 is fixedly connected with the second motor 19, both motors are 40W-90 type motors and are provided with locking structures, the output end of the second motor 19 is connected with the hold-in range 17 in a meshing way, one side of the cement pump 11 is fixedly connected with the rotating pulley 20, the rotating pulley 20 is connected with the hold-in range 17 in a meshing way, the upper and lower sides of the inside of the skid 10 are both fixedly connected with a plurality of hydraulic rods 21, the brake plate 22 is fixedly connected between the output ends of the hydraulic rods 21 at the same side, the brake plate 22 is positioned at both sides of the rotating shaft of the rotating pulley 20, the cement pump in the device is controlled by the hold-in range, the structure is simple, thereby improving the stability of the device when in use, the inside of the sliding frame 10 is fixedly connected with a limit component which is parallel to the movement direction of the cement pump 11, the cement pump 11 is sleeved outside the limit component, the outside of the first hydraulic cylinder 5 and the two ends of the connecting cross frame 8 are both fixedly connected with a platform 12, the upper surface of the platform 12 is fixedly connected with a guardrail 13, the lower surface of the platform 12 is fixedly connected with a ladder 14, the outer side of the lower surface of the platform 12 close to the ladder 14 is fixedly connected with a protective frame 15, the inside of the hydraulic rod 21 is provided with a bidirectional gear, an oil circuit manifold block, an oil cylinder and a piston rod, the working principle of the hydraulic rod 21 is that the bidirectional gear pump outputs pressure oil which is controlled by the oil circuit manifold block to the oil cylinder to drive the piston rod to move, the first hydraulic cylinder 5, the second hydraulic cylinder 7 and the third hydraulic cylinder 24 are composed of a, the first hydraulic cylinder 5, the second hydraulic cylinder 7 and the third hydraulic cylinder 24 convert hydraulic energy into mechanical energy and perform linear reciprocating motion, and the details which are not described in detail in the present specification belong to the prior art which is well known to those skilled in the art.
When the device is used, the pulley frame 3 can be driven to work through the first motor 16 and the belt structure, so that the device can be driven to slide along the track 2, the first motor 16 is stopped after the device is moved to a required position, the third hydraulic cylinder 24 is started, the third hydraulic cylinder 24 can lift the whole device, when concrete needs to be poured, the second motor 19 can be started, the second motor 19 drives the synchronous belt 17 to rotate, the synchronous belt 17 drives the cement pump 11 in the sliding frame 10 through the rotating wheel 20, the second motor 19 is stopped after the device is moved to the required position, the hydraulic rod 21 is started at the same time, the hydraulic rod 21 drives the brake plate 22 to descend, the connecting position between the cement pump 11 and the rotating wheel 20 can be clamped, so that the cement pump 11 is fixed, when the device is moved, if the connecting transverse frame 8 collides with the top end of a tunnel, the connecting transverse frame 8 and the third transverse frame 6 can be dislocated through the connector 9, and the connecting cross frame 8 transmits the acting force to the first and second outer protection cases 92 and 93, and the first and second outer protection cases 92 and 93 compress the return spring 96 through the rotating block 94, the rotating rod 95 and the connecting block 91, thereby converting the acting force of the connecting cross frame 8 into the elastic potential energy of the return spring 96.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a lining cutting platform truck, includes first crossbearer (1) and track (2), the equal fixedly connected with pulley yoke (3) in both ends of first crossbearer (1) lower surface, pulley yoke (3) and track (2) sliding connection, its characterized in that: the two sides of the upper surface of the first transverse frame (1) are fixedly connected with first hydraulic cylinders (5), a second transverse frame (4) is fixedly connected between the side surfaces of the first hydraulic cylinders (5), a third transverse frame (6) is fixedly connected between the top ends of the first hydraulic cylinders (5), a second hydraulic cylinder (7) is fixedly connected between the upper surface of the second transverse frame (4) and the lower surface of the third transverse frame (6), a support rod (23) is fixedly connected between the second transverse frame (4) and the first hydraulic cylinders (5), a connecting transverse frame (8) is arranged on the upper side of the third transverse frame (6), a plurality of connectors (9) are fixedly connected between the third transverse frame (6) and the connecting transverse frame (8), a sliding frame (10) is fixedly connected to the upper surface of the connecting transverse frame (8), and a cement pump (11) is slidably connected inside the sliding frame (10), the outer side of the first hydraulic cylinder (5) and the two ends of the connecting cross frame (8) are fixedly connected with platforms (12), the upper surface of each platform (12) is fixedly connected with a guardrail (13), the lower surface of each platform (12) is fixedly connected with a ladder stand (14), and the lower surface of each platform (12) is close to the outer side fixedly connected with protection frames (15) of the corresponding ladder stand (14).
2. A lining trolley according to claim 1 wherein: the upper surface of the pulley frame (3) at one end of the lower side of the first transverse frame (1) is fixedly connected with a first motor (16), one side of the first motor (16) is provided with a speed reducer, and the first motor (16), the speed reducer and the internal driving structure of the pulley frame (3) are driven through belt structures.
3. A lining trolley according to claim 1 wherein: the side surface of the upper surface of the track (2) is fixedly connected with a side plate (201), the bottom end of the third hydraulic cylinder (24) is fixedly connected with a sleeper structure, and the sleeper structure at the bottom end of the third hydraulic cylinder (24) is located inside the side plate (201).
4. A lining trolley according to claim 1 wherein: the inside of skid (10) is provided with hold-in range (17), the inside meshing of hold-in range (17) one end is connected with tight pulley (18), the both ends of tight pulley (18) all rotate with the inner wall of skid (10) and be connected, inside other end fixedly connected with second motor (19) that is close to hold-in range (17) of skid (10), the output and the hold-in range (17) meshing of second motor (19) are connected.
5. A lining trolley according to claim 4 wherein: one side fixedly connected with of cement pump (11) rotates wheel (20), it is connected with hold-in range (17) meshing to rotate wheel (20), the equal fixedly connected with a plurality of hydraulic stems (21) of upper and lower both sides of inside of skid (10), fixedly connected with brake block (22) between hydraulic stem (21) output with one side, brake block (22) are located the both sides of rotating wheel (20) axis of rotation.
6. A lining trolley according to claim 5 wherein: the inside fixedly connected with of skid (10) is parallel with cement pump (11) direction of motion's stop component, cement pump (11) cover is established in the outside of stop component.
7. A lining trolley according to claim 1 wherein: third crossbearer (6) upper surface and the one side of connecting crossbearer (8) lower surface and being close to connector (9) have all been seted up and have been accomodate groove (25), connector (9) include first outer guard box (92) and the outer guard box (93) of second, first outer guard box (92) and the outer guard box (93) of second are located two insides of accomodating groove (25) respectively, and just first outer guard box (92) rotate with being connected crossbearer (8) and are connected, the outer guard box (93) of second rotates with third crossbearer (6) and is connected.
8. A lining trolley according to claim 7 wherein: the utility model discloses a protection device, including first outer guard box (92), the both sides on the inside top of first outer guard box (92) and the equal fixedly connected with turning block (94) in both sides of the inside bottom of second outer guard box (93), turning block (94) all rotate and are connected with dwang (95), it is connected with connecting block (91) to rotate between same ascending dwang (95) of vertical side, fixedly connected with reset spring (96) between connecting block (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495398.6A CN111677529A (en) | 2020-06-03 | 2020-06-03 | Lining cutting platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495398.6A CN111677529A (en) | 2020-06-03 | 2020-06-03 | Lining cutting platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677529A true CN111677529A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010495398.6A Pending CN111677529A (en) | 2020-06-03 | 2020-06-03 | Lining cutting platform truck |
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| CN (1) | CN111677529A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725701A (en) * | 2019-11-01 | 2020-01-24 | 中铁二十二局集团有限公司 | Efficient and safe over-bracing lining trolley for construction |
-
2020
- 2020-06-03 CN CN202010495398.6A patent/CN111677529A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725701A (en) * | 2019-11-01 | 2020-01-24 | 中铁二十二局集团有限公司 | Efficient and safe over-bracing lining trolley for construction |
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