CN210239686U - Concrete distributor for tunnel secondary lining - Google Patents
Concrete distributor for tunnel secondary lining Download PDFInfo
- Publication number
- CN210239686U CN210239686U CN201920759643.2U CN201920759643U CN210239686U CN 210239686 U CN210239686 U CN 210239686U CN 201920759643 U CN201920759643 U CN 201920759643U CN 210239686 U CN210239686 U CN 210239686U
- Authority
- CN
- China
- Prior art keywords
- pipe
- port
- telescopic
- distributor
- elbow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a concrete distributor for tunnel secondary lining, which comprises a supporting base, a distributor chassis, a rotary pipeline system and a branch pipe assembly; the upper surface of the supporting base is provided with a distributor base plate, the distributor base plate is in a circular ring shape, a rotary pipeline system is arranged at a central hole of the distributor base plate and comprises a rotary mechanism and a pipeline mechanism, the pipeline mechanism comprises a straight pipe and a telescopic pipe assembly, and the branch pipe assembly consists of a branch pipe base and a funnel arranged at the upper end of the branch pipe base; the utility model discloses a distributor structural design is reasonable, operation convenient to use, realizes the free rotation of extension tube subassembly through rotary mechanism to can realize counterpointing with the funnel of each group's branch pipe subassembly.
Description
Technical Field
The utility model belongs to the technical field of two lining constructions in the tunnel, specific concrete distributor for two linings in tunnel that says so.
Background
With the continuous improvement of the standard and the level of tunnel construction, the construction quality requirement of the two-lining concrete is also continuously improved. Traditional tunnel is pour and is generally adopted main and auxiliary hopper cooperation chute, thereby utilizes the mode of concrete dead weight to realize the swift current material income window and realize pouring of two linings, from present, its main drawback is as follows:
firstly, the chute angle of the inlet window must be larger than 11 degrees, otherwise the flow of concrete is not facilitated, workers are required to assist the chute to finish the chute, and the construction of the chute can be influenced by the mixing proportion and the quality of the concrete;
secondly, a plurality of inserting plates are required to be arranged on the chute barrel to realize pouring of each window, the operation can be completed by observation and matching of at least 3-5 workers during pouring, and the difficulty of cleaning the chute by the workers is high due to the adoption of open chute materials;
thirdly, the top die window and the vault sprue gate can not be poured, and the pouring can be finished by manually replacing pipes, so that the construction efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a concrete distributor that is used for two linings in tunnel that workman intensity of labour who exists is big, complex operation, two lining qualities are difficult to the problem of guaranteeing for solving the chute in the current two lining construction.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a concrete distributor for a tunnel secondary lining comprises a supporting base, a distributor chassis, a rotary pipeline system and a branch pipe assembly; the upper surface of the supporting base is provided with a distributor chassis which is in a circular ring shape, a rotary pipeline system is arranged at a central hole of the distributor chassis and comprises a rotary mechanism and a pipeline mechanism, the rotary mechanism consists of an outer tooth type rotary support, an enveloping worm and a motor, the outer ring of the outer tooth type rotary support is in a gear ring structure, the enveloping worm is in meshing transmission with the outer ring of the outer tooth type rotary support, one end part of the enveloping worm is in transmission connection with the motor, the pipeline mechanism comprises a straight pipe and a telescopic pipe component, the straight pipe is assembled in the inner ring of the outer tooth type rotary support, the telescopic pipe component is pivoted at the upper end opening of the straight pipe and can rotate 360 degrees around the straight pipe, the upper end surface of the outer ring of the outer tooth type rotary support is connected with a rotary supporting seat, the upper end of the rotary supporting seat is fixedly connected with the telescopic pipe component, the branch pipe assembly is composed of a branch pipe base and a funnel arranged at the upper end of the branch pipe base, an annular pressure ring is arranged on the upper end face of all the branch pipe bases, the lower end face of the pressure ring is located on the upper end face of all the branch pipe bases, the funnel is located on the upper surface of the pressure ring, and a locking device for locking the funnel and the telescopic pipe assembly is arranged on the telescopic pipe assembly.
Furthermore, the telescopic pipe assembly comprises a connecting pipe, a telescopic pipe and telescopic oil cylinders, a rotary bearing is sleeved on the outer side wall of the lower port of the connecting pipe, a bearing bracket is arranged on the outer side wall of the upper port of the straight pipe, the outer ring of the rotary bearing is assembled in the bearing bracket, the connecting pipe can rotate 360 degrees in the horizontal plane around the straight pipe, the telescopic pipe is composed of an outer pipe and an inner pipe sleeved in the outer pipe, two telescopic oil cylinders are symmetrically arranged on the outer circular surface of the right end of the inner pipe, piston rods of the telescopic oil cylinders are connected to the outer circular surface of the outer pipe, the outer pipe slides on the inner pipe through the action of the telescopic oil cylinders, the right port of the outer pipe is hermetically connected with the upper port of the connecting pipe, and a locking device.
Furthermore, locking device includes first backup pad, second backup pad and locking screw, and first backup pad cover is established on the outer disc of outer tube, and it has two longitudinal symmetry's locking screw to articulate on first backup pad, and the second backup pad sets up on the outside arc surface of funnel, is provided with two longitudinal symmetry's U-shaped draw-in grooves in the second backup pad, and two locking screw are located the draw-in groove that corresponds the side respectively and realize the locking of outer tube and funnel through the nut fastening.
Furthermore, a rubber sealing ring is arranged on the outer circular surface of the left end of the outer pipe.
Further, the telescopic pipe assembly comprises two groups of elbow mechanisms, a transition pipe, an alignment pipe, a telescopic sleeve and an oil cylinder, one port of one group of elbow mechanisms is pivoted with the upper port of the straight pipe through a bearing, the other port of one group of elbow mechanisms is connected with one port of the transition pipe in a sealing manner, the other port of the transition pipe is connected with one port of the other group of elbow mechanisms in a sealing manner, the other port of the other group of elbow mechanisms is connected with one port of the alignment pipe in a sealing manner, the telescopic sleeve is composed of an outer sleeve and an inner sleeve sleeved in the outer sleeve, one end of the inner sleeve is fixedly connected onto the outer surface of the straight pipe, the cylinder body of the oil cylinder is connected onto the outer circular surface of one end of the inner sleeve, the piston rod of the oil cylinder is connected onto the outer circular surface.
Furthermore, the elbow mechanism comprises two 90-degree elbows, and the two 90-degree elbows are correspondingly connected to form a semicircular shape.
Further, flexible pipe assembly is including connecting elbow, rotating tube and hydro-cylinder, and the lower port of connecting the elbow passes through bearing and straight tube upper end mouth pin joint, and the last port of connecting the elbow is the level forward, and a port of rotating tube is with connecting the elbow and expect that the port pin joint on, and another port of rotating tube sets up down, and the cylinder body fixed connection of hydro-cylinder is on the outer disc of straight tube, and the piston rod handing-over of hydro-cylinder is on the downside of rotating tube.
Furthermore, in a plurality of groups of branch pipe assemblies on the upper end surface of the distributor chassis, a cleaning pipeline is connected to one group of branch pipe assemblies and comprises a high-pressure cleaning pipe with a valve, and the high-pressure cleaning pipe is fixedly connected with a discharge port of a funnel on one group of branch pipe assemblies.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the distributor of the utility model has reasonable structural design and convenient operation and use, realizes the free rotation of the telescopic pipe components through the rotating mechanism, and can realize the alignment with the funnel of each group of branch pipe components;
2. the automatic stretching can be realized through the telescopic pipe assembly, so that the funnel can be in relatively close alignment connection, and the locking is realized through the locking device, so that the material leakage in the material pumping process is prevented;
3. the pipeline mechanism in the utility model has strong connection sealing performance, reduces the contact time of the concrete and the air in the closed pipeline, and ensures the quality of the concrete; in addition, the distributor does not need manual operation of pipe connection, pipe replacement and the like, so that a large amount of labor and time are saved, and the construction efficiency can be effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view of c-c of FIG. 2;
FIG. 4 is a schematic structural view of the manifold assembly of FIG. 1;
FIG. 5 is a schematic view of an installation structure of the upper pressure ring;
FIG. 6 is a schematic view of the locking device;
fig. 7 is a schematic structural view of a telescopic tube assembly according to a second embodiment of the present invention;
FIG. 8 is a left side view of FIG. 6;
FIG. 9 is a schematic structural view of the third embodiment;
in the figure: 1. a support base; 2. a distributor base; 3. a telescoping tube assembly; 31. a straight pipe; 32. a connecting pipe; 33. an inner tube; 34. an oil cylinder A; 35. an outer tube; 36. rotating the supporting seat; 37. a rotation mechanism; 4. a branch pipe assembly; 41. a branch pipe base; 42. a funnel; 43. a fastener; 51. a first support plate; 52. a second support plate; 53. locking the screw rod; 54. a nut; 6. an elbow mechanism; 7. a transition duct; 8. aligning pipes; 9. an inner sleeve; 10. a jacket; 11. an oil cylinder B; 12. connecting the elbow; 13. rotating the tube; 14. an oil cylinder C; 15. and (5) pressing a ring.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Embodiment one, as shown in fig. 1-6, a concrete distributor for a tunnel secondary lining comprises a support base 1, a distributor chassis 2, a rotary piping system and a branch pipe assembly; the upper surface of the supporting base 1 is provided with a distributor base plate 2, the distributor base plate 2 is in a circular ring shape, a rotary pipeline system is arranged at a central hole of the distributor base plate 2 and comprises a rotary mechanism 37 and a pipeline mechanism, the rotary mechanism 37 comprises an outer tooth type rotary support, an enveloping worm and a motor, the outer ring of the outer tooth type rotary support is in a gear ring structure, the enveloping worm is in meshing transmission with the outer ring of the outer tooth type rotary support, one end part of the enveloping worm is in transmission connection with the motor, the pipeline mechanism comprises a straight pipe 31 and a telescopic pipe component 3, the straight pipe 31 is assembled in the inner ring of the outer tooth type rotary support, the telescopic pipe component 3 is pivoted at the upper port of the straight pipe 31, the telescopic pipe component 3 can rotate 360 degrees around the straight pipe 31, a rotary supporting seat 36 is connected on the upper end surface of the outer ring of, be provided with a plurality of groups of branch pipe assembly 4 along the circumferencial direction equipartition on the up end of distributor chassis 2, branch pipe assembly 4 comprises branch pipe base 41 and the funnel 42 of setting in branch pipe base 41 upper end, is provided with annular clamping ring 15 on the up end of all group's branch pipe base 41, and the lower terminal surface of clamping ring 15 is located all group's branch pipe base 41's up end, funnel 42 is located the clamping ring upper surface be provided with on the flexible pipe assembly 3 with the locking device who locks funnel 42 and flexible pipe assembly 3.
In this embodiment, the telescopic tube assembly 3 includes a connecting tube 32, a telescopic tube and an oil cylinder a34, a swivel bearing is sleeved on an outer side wall of a lower port of the connecting tube 32, a bearing holder is disposed on an outer side wall of an upper port of the straight tube 31, an outer ring of the swivel bearing is assembled in the bearing holder, the connecting tube 32 can rotate 360 degrees in a horizontal plane around the straight tube 31, the telescopic tube is composed of an outer tube 35 and an inner tube 33 sleeved in the outer tube 35, two oil cylinders a34 are symmetrically disposed on an outer circumferential surface of a right end of the inner tube 33, a piston rod of the oil cylinder a34 is connected to an outer circumferential surface of the outer tube 35, the outer tube 35 slides on the inner tube 33 by an action of the oil cylinder a34, the right port of the outer tube 35 is hermetically connected to an upper port of the connecting tube 32.
After outer tube 35 docks with funnel 42 in the slip casting process, in order to prevent leaking the material, locking device carries out the fastening connection with outer tube 35 and funnel 42, locking device includes first backup pad 51, second backup pad 52 and locking screw 53, first backup pad 51 cover is established on the outer disc of outer tube 35, it has two symmetrical locking screw 53 from top to bottom to articulate on first backup pad 51, second backup pad 52 sets up on the outside arc surface of funnel 42, be provided with two symmetrical U-shaped draw-in grooves from top to bottom on the second backup pad 52, two locking screw 53 are located the draw-in groove of corresponding side respectively and realize the locking of outer tube and funnel through the nut 54 fastening.
In practice, the locking screw 53 is snapped into a U-shaped slot in the funnel 42, and then the locking screw is tightened by the nut 54, so that the outer tube and the funnel are firmly connected together.
Be provided with rubber seal on the outer disc of outer tube 35 left end, further improve through rubber seal and make the leakproofness of outer tube and funnel inner wall, prevent to leak the material.
The utility model discloses in, outer tooth-like slewing bearing constitute by outer lane and inner circle, outer lane and inner circle are for can relative rotation to the outer lane is outer ring gear structure.
The utility model discloses a theory of operation does: the motor drives the enveloping worm, the enveloping worm is in meshing transmission with the outer ring of the outer tooth type slewing bearing, the rotating support seat is driven to rotate through the rotation of the outer ring of the outer tooth type slewing bearing, the rotating support seat drives the telescopic pipe assembly to rotate, the telescopic pipe and the connecting pipe rotate 360 degrees around the straight pipe due to the fact that the lower end of the connecting pipe is pivoted with the upper end of the straight pipe, when the telescopic pipe rotates to a position corresponding to a funnel in one of the branch pipe assemblies, the outer pipe extends into the funnel through the action of the oil cylinder A, and after the outer pipe is in place, the locking screw rod is turned and clamped into the U-shaped clamping groove in the second support plate and; then, externally connecting a lower port of the straight pipe with a pouring pipeline for grouting, loosening the nut after pouring, turning over the locking screw, driving the outer pipe to be conveyed into the funnel to retract through retraction of the oil cylinder A, then rotating to another funnel to be poured, and then carrying out the operation; after all pouring is finished, the telescopic pipe assembly and the straight pipe need to be cleaned, so that the utility model is also provided with a cleaning pipeline, particularly, in a plurality of groups of branch pipe assemblies on the upper end surface of the distributor chassis, one group of branch pipe assemblies is connected with the cleaning pipeline, the cleaning pipeline comprises a high-pressure cleaning pipe with a valve thereon, and the high-pressure cleaning pipe is fixedly connected with the discharge port of the funnel on one group of branch pipe assemblies; during cleaning, high-pressure water enters the funnel from the high-pressure cleaning pipe and sequentially enters the outer pipe, the connecting pipe and the straight pipe to perform reverse washing.
As shown in fig. 7 and 8, the second embodiment is different from the first embodiment in that the structure of the telescopic tube assembly is different, in this embodiment, the telescopic tube assembly 3 includes two sets of elbow mechanisms 6, a transition tube 7, an alignment tube 8, a telescopic sleeve and a cylinder B11, one port of one set of elbow mechanisms 6 is pivotally connected to the upper port of the straight tube 31 through a bearing, the other port of one set of elbow mechanisms 6 is hermetically connected to one port of the transition tube 7, the other port of the transition tube 7 is hermetically connected to one port of the other set of elbow mechanisms 6, the other port of the other set of elbow mechanisms 6 is hermetically connected to one port of the alignment tube 8, the telescopic sleeve is composed of an outer sleeve 10 and an inner sleeve 9 sleeved in the outer sleeve, one end of the inner sleeve 9 is fixedly connected to the outer surface of the straight tube 31, the cylinder body of the cylinder B11 is connected to the outer circumferential surface of one end of the inner sleeve 9, the piston rod of the cylinder B11, one end of the outer sleeve 10 is fixedly connected to the elbow mechanism 6 or the transition pipe 7.
The elbow mechanism 6 comprises two 90-degree elbows, and the two 90-degree elbows are correspondingly connected to form a semicircular shape.
The action process of the telescopic tube component of the embodiment is as follows: because a set of elbow mechanism and straight tube are the pin joint, consequently, can realize a set of elbow mechanism through the flexible of hydro-cylinder B and rotate, a set of elbow mechanism drives transition pipe and another set of elbow mechanism, the rotation to the registration pipe to realize carrying out the butt joint with the funnel of different positions department.
As shown in fig. 9, the third embodiment is different from the first embodiment in that the telescopic tube assembly has a different structure, in this embodiment, the telescopic tube assembly 3 includes a connecting elbow 12, a rotating tube 13 and an oil cylinder C14, a lower port of the connecting elbow 12 is pivotally connected to an upper port of the straight tube 31 through a bearing, an upper port of the connecting elbow 12 is horizontally forward, a port of the rotating tube 13 is pivotally connected to an upper port of the connecting elbow 12, another port of the rotating tube 13 is disposed downward, a cylinder body of the oil cylinder C14 is fixedly connected to an outer circumferential surface of the straight tube 31, and a piston rod of the oil cylinder C14 is pivotally connected to a lower side surface of the rotating tube 13.
Because the connecting elbow 12 and the rotary pipe 13 are pivoted, the rotary pipe 13 can rotate around the pivot point in a vertical plane, and the rotary pipe 13 rotates by the expansion and contraction of the oil cylinder C14, because in the structure of this embodiment, another port of the rotary pipe 13 is arranged downward, in this embodiment, the branch pipe assembly needs to be changed accordingly, that is: the funnel needs to be placed in a vertical shape, and the feed port of the funnel is arranged vertically upwards.
Claims (8)
1. A concrete distributor for a tunnel secondary lining comprises a supporting base, a distributor chassis, a rotary pipeline system and a branch pipe assembly; the upper surface of the supporting base is provided with a distributor chassis which is in a circular ring shape, a rotary pipeline system is arranged at a central hole of the distributor chassis and comprises a rotary mechanism and a pipeline mechanism, the rotary mechanism consists of an outer tooth type rotary support, an enveloping worm and a motor, the outer ring of the outer tooth type rotary support is in a gear ring structure, the enveloping worm is in meshing transmission with the outer ring of the outer tooth type rotary support, one end part of the enveloping worm is in transmission connection with the motor, the pipeline mechanism comprises a straight pipe and a telescopic pipe component, the straight pipe is assembled in the inner ring of the outer tooth type rotary support, the telescopic pipe component is pivoted at the upper end opening of the straight pipe and can rotate 360 degrees around the straight pipe, the upper end surface of the outer ring of the outer tooth type rotary support is connected with a rotary supporting seat, the upper end of the rotary supporting seat is fixedly connected with the telescopic pipe component, the branch pipe assembly is composed of a branch pipe base and a funnel arranged at the upper end of the branch pipe base, an annular pressure ring is arranged on the upper end face of all the branch pipe bases, the lower end face of the pressure ring is located on the upper end face of all the branch pipe bases, the funnel is located on the upper surface of the pressure ring, and a locking device for locking the funnel and the telescopic pipe assembly is arranged on the telescopic pipe assembly.
2. A concrete distributor for a tunnel secondary lining according to claim 1, characterized in that: the telescopic pipe assembly comprises a connecting pipe, a telescopic pipe and telescopic oil cylinders, wherein a rotary bearing is sleeved on the outer side wall of a lower port of the connecting pipe, a bearing bracket is arranged on the outer side wall of the upper port of the straight pipe, the outer ring of the rotary bearing is assembled in the bearing bracket, the connecting pipe can rotate 360 degrees in the horizontal plane around the straight pipe, the telescopic pipe is composed of an outer pipe and an inner pipe sleeved in the outer pipe, two telescopic oil cylinders are symmetrically arranged on the outer circular surface of the right end of the inner pipe, piston rods of the telescopic oil cylinders are connected to the outer circular surface of the outer pipe, the outer pipe slides on the inner pipe through the action of the telescopic oil cylinders, the right port of the outer pipe is connected with the upper port of the connecting pipe in a sealing.
3. A concrete distributor for a tunnel secondary lining according to claim 2, characterized in that: the locking device comprises a first supporting plate, a second supporting plate and locking screw rods, the first supporting plate is sleeved on the outer circular surface of the outer tube, the first supporting plate is hinged with two locking screw rods which are symmetrical up and down, the second supporting plate is arranged on the outer side arc surface of the funnel, two U-shaped clamping grooves which are symmetrical up and down are arranged on the second supporting plate, and the two locking screw rods are respectively positioned in the clamping grooves on the corresponding sides and are fastened through nuts to realize the locking of the outer tube and the funnel.
4. A concrete distributor for a tunnel secondary lining according to claim 2, characterized in that: and a rubber sealing ring is arranged on the outer circular surface of the left end of the outer pipe.
5. A concrete distributor for a tunnel secondary lining according to claim 1, characterized in that: the telescopic pipe assembly comprises a plurality of groups of elbow mechanisms, a transition pipe, an alignment pipe, a telescopic sleeve and an oil cylinder, one port of one group of elbow mechanisms is pivoted with the upper port of a straight pipe through a bearing, the other port of one group of elbow mechanisms is hermetically connected with one port of the transition pipe, the other port of the transition pipe is hermetically connected with one port of the other group of elbow mechanisms, the other port of the other group of elbow mechanisms is hermetically connected with one port of the alignment pipe, the telescopic sleeve is composed of an outer sleeve and an inner sleeve sleeved in the outer sleeve, one end of the inner sleeve is fixedly connected on the outer surface of the straight pipe, the cylinder body of the oil cylinder is connected on the outer circular surface of one end of the inner sleeve, the piston rod of the oil cylinder is connected on the outer circular surface of one end of the outer.
6. A concrete distributor for a tunnel secondary lining according to claim 5, wherein: the elbow mechanism comprises two 90-degree elbows, and the two 90-degree elbows are correspondingly connected to form a semicircular shape.
7. A concrete distributor for a tunnel secondary lining according to claim 1, characterized in that: the flexible pipe assembly is including connecting elbow, swivel stack and hydro-cylinder, and the lower port of connecting the elbow passes through bearing and straight tube upper end mouth pin joint, and the last port of connecting the elbow is the level forward, and a port of swivel stack is with the pin joint of connecting the elbow on the good end, and another port of swivel stack sets up down, and the cylinder body fixed connection of hydro-cylinder is on the outer disc of straight tube, and the piston rod handing-over of hydro-cylinder is on the downside of swivel stack.
8. A concrete distributor for a tunnel secondary lining according to claim 1, characterized in that: in a plurality of groups of branch pipe assemblies on the upper end surface of the distributor chassis, a cleaning pipeline is connected to one group of branch pipe assemblies and comprises a high-pressure cleaning pipe with a valve, and the high-pressure cleaning pipe is fixedly connected with a discharge port of a funnel on one group of branch pipe assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759643.2U CN210239686U (en) | 2019-05-24 | 2019-05-24 | Concrete distributor for tunnel secondary lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920759643.2U CN210239686U (en) | 2019-05-24 | 2019-05-24 | Concrete distributor for tunnel secondary lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239686U true CN210239686U (en) | 2020-04-03 |
Family
ID=69972518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920759643.2U Active CN210239686U (en) | 2019-05-24 | 2019-05-24 | Concrete distributor for tunnel secondary lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210239686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130935A (en) * | 2019-05-24 | 2019-08-16 | 洛阳中铁强力机械有限公司 | A kind of concrete dispenser for tunnel double-lining |
-
2019
- 2019-05-24 CN CN201920759643.2U patent/CN210239686U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130935A (en) * | 2019-05-24 | 2019-08-16 | 洛阳中铁强力机械有限公司 | A kind of concrete dispenser for tunnel double-lining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108104837B (en) | A method of tunnel-liner fast continuous placing is realized using automatic material distributing device | |
| CN209293809U (en) | A kind of be layered pours device by window | |
| CN210239686U (en) | Concrete distributor for tunnel secondary lining | |
| CN114778407A (en) | Concrete anti-leakage test device | |
| CN210774534U (en) | Petroleum pipeline sealing performance detection device | |
| CN212271629U (en) | Concrete layered pouring distributor | |
| CN110130935A (en) | A kind of concrete dispenser for tunnel double-lining | |
| CN213684416U (en) | Concrete delivery pump connecting device for coal mine | |
| CN213953621U (en) | Novel full-closed concrete rotary distributing system with pressing die | |
| CN115892758A (en) | Anti-blocking mechanism for cement discharging and construction process | |
| CN210134948U (en) | Rotary automatic pressure double-side distributing machine | |
| CN113756582A (en) | Concrete layered pouring distributor | |
| CN212670229U (en) | Road bridge cement mortar joint filling device | |
| CN212523230U (en) | Ready-package mud filter | |
| CN209920232U (en) | Concrete discharging device applied to mixing station | |
| CN219114355U (en) | Rotary concrete layering distributor | |
| CN201713112U (en) | Dismountable additional cleaning suction nozzle and hydraulic arm | |
| CN207647515U (en) | A kind of automatic material distributing device for tunnel-liner | |
| CN216041186U (en) | Grouting device for hydraulic engineering | |
| CN215549577U (en) | Cleaning device for concrete casting mold | |
| CN217272724U (en) | PVC pipe joint connecting device | |
| CN213574112U (en) | Automatic distributing device of tunnel lining trolley | |
| CN219967725U (en) | Inner buckle clamping mechanism | |
| CN219568849U (en) | Foundation pile shaping sleeve structure | |
| CN209671824U (en) | A kind of major diameter PE water supply and sewerage pipeline is interior to be flared flange connecting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |