CN209942852U - Shield constructs section of jurisdiction supporting trolley - Google Patents
Shield constructs section of jurisdiction supporting trolley Download PDFInfo
- Publication number
- CN209942852U CN209942852U CN201920695622.9U CN201920695622U CN209942852U CN 209942852 U CN209942852 U CN 209942852U CN 201920695622 U CN201920695622 U CN 201920695622U CN 209942852 U CN209942852 U CN 209942852U
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- screw rod
- jurisdiction
- section
- guide bar
- pneumatic cylinder
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Abstract
The utility model relates to a shield constructs section of jurisdiction supporting trolley, including running gear, section of jurisdiction supporting mechanism, install section of jurisdiction supporting mechanism on running gear, section of jurisdiction supporting mechanism including a supporting beam, a guide bar, the pneumatic cylinder, the hob, the one end of installing pneumatic cylinder and guide bar on a supporting beam, the piston rod of pneumatic cylinder is parallel with the guide bar, before the suit on the guide bar, two back support rings, the back support ring of the tailpiece of the piston rod portion connection of pneumatic cylinder, the one end of a plurality of bracing of radial symmetry hinge dress on the back support ring, the other end of every bracing all with the telescopic middle part hinge dress of a screw rod, the telescopic one end of screw rod and preceding support ring hinge dress, the radial symmetry setting of a plurality of screw rod sleeves all mesh in each screw rod and connect a hob, the hob is worn out the screw rod sleeve and is adorned a section of jurisdiction top cap admittedly in the outer. The utility model can quickly support the shield segment; a large amount of labor force and labor intensity of workers are saved; the transportation is convenient and fast; can be repeatedly used.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the construction, a section of jurisdiction is related to, especially a shield constructs section of jurisdiction support platform truck.
Background
At present, the development of underground space is concerned greatly, and the earth pressure balance shield machine technology is widely applied to tunnel engineering construction of municipal administration, mines, traffic, hydraulic engineering and the like. The shield construction technology is greatly improved in the practical process, and the aspects of minimum influence on the surroundings, quick construction, safe construction and the like are more important to consider in the modern society. The shield segment is a permanent lining structure of the shield tunnel and is also the innermost barrier of the tunnel. The segments are connected through bolts to form a shield lining ring, and then the segments are connected into a whole along the direction of the tunnel, and other forms of connecting structures also exist.
The load of the duct piece is released from the initial ground stress and the stress caused by construction disturbance surrounding rocks, and the stress of the duct piece is greatly influenced by the environment where the duct piece is located. It plays a role in resisting soil pressure, groundwater pressure and some special loads. The quality of the shield segment is directly related to the overall quality, safety, waterproof performance, durability and the like of the tunnel. The temporary support is arranged to reinforce the segment, so that the segment is prevented from being deformed, damaged and misplaced even cracked due to the change of surrounding rock pressure conditions when the soil body is reinforced by deep hole grouting. The destruction of the segments may result in the risk of road landslide.
The segment bolt completely depends on the mutual jacking force at the joint of each shield segment to achieve the supporting purpose of the shield segment, the fixing effect is unstable, and the interference capability is weak. Therefore, other auxiliary structure devices are needed to carry out quick temporary support when emergency situations such as segment deformation and damage occur.
The advantages and disadvantages of the current segment support structure device are shown in table 1.
TABLE 1 advantages and disadvantages of the segment support structure device
Through the contrast to above shield structure section of jurisdiction strutting arrangement, the utility model discloses shield structure section of jurisdiction supporting trolley is relatively more advanced shield structure section of jurisdiction strutting arrangement. Through the structural optimization to shield section of jurisdiction support platform truck to reach better shield section of jurisdiction support effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a shield that can support fast, save labour and be convenient for the transportation constructs section of jurisdiction and supports platform truck. The shield tunnel has the effects of supporting and stabilizing the duct piece in the shield propelling process, keeping the shape of the duct piece and effectively preventing the duct piece from being misplaced and the like. The problem of after the section of jurisdiction installation, because the soil body disturbance that various reasons caused causes the fashioned shield segment atress inhomogeneous, lead to the section of jurisdiction to warp or the safe quality of collapsing is solved.
The utility model provides a technical scheme that technical problem adopted is:
the utility model provides a shield constructs section of jurisdiction supporting trolley, includes running gear, section of jurisdiction supporting mechanism, installs section of jurisdiction supporting mechanism on running gear, section of jurisdiction supporting mechanism including a supporting beam, a guide bar, the pneumatic cylinder, bracing, screw rod sleeve and hob, the one end of installation pneumatic cylinder and guide bar on a supporting beam, the piston rod of pneumatic cylinder is parallel with the guide bar, before the suit on the guide bar, two back support rings, the back support ring is connected to the tailpiece of the piston rod portion of pneumatic cylinder, the one end of a plurality of braces of radial symmetry hinge dress on the back support ring, the other end of every bracing all with a telescopic middle part hinge dress of screw rod, telescopic one end of screw rod and preceding support ring hinge dress, the radial symmetry setting of a plurality of screw rod sleeves, all mesh in each screw rod sleeve and connect a hob, the hob is worn out the screw rod sleeve and is adorned a section of jurisdiction top cap admittedly.
Furthermore, a rotating handle is sleeved on each screw rod.
And the supporting beam comprises a cross beam, a vertical beam and a beam diagonal brace, the bottom of the vertical beam is fixedly installed with the traveling mechanism, one end of the cross beam is fixedly installed at the top of the vertical beam, a guide rod is fixedly installed at the other end of the cross beam, the vertical beam and the cross beam are reinforced through the beam diagonal brace, and a hydraulic cylinder is installed on the cross beam.
And the travelling mechanism comprises a motor, a vehicle bottom plate, wheels and a cab, wherein the wheels are symmetrically arranged on the bottom surface of the vehicle bottom plate, and the motor, the cab and a trolley control system are arranged on the top surface of the vehicle bottom plate.
Spring cushion mechanisms are symmetrically mounted between the wheels.
Moreover, a balancing weight is arranged on the top surface of the vehicle bottom plate.
The utility model has the advantages that:
1. the utility model discloses section of jurisdiction support platform truck adopts hydraulic system to realize the telescopic shrink of screw rod and extend the support, and reducible section of jurisdiction stabilizes the occupation space of platform truck out of work, and equidistant spiral hydraulic cylinder bracing piece extension line of arranging all through the centre of a circle of shield structure section of jurisdiction, utilizes the support that the shield structure section of jurisdiction can be realized fast to platform truck quick travel's characteristics.
2. The utility model discloses section of jurisdiction support platform truck has the support section of jurisdiction, keeps section of jurisdiction circularity, impels 2 essential function with the walking along with the shield constructs the machine together. The tunnel power supply is suitable for forming tunnels, tracks paved in the tunnels and power supplies in the tunnels for supplying power to hydraulic pump stations.
3. The utility model discloses section of jurisdiction support platform truck has own unique advantage: (1) the shield segment support (2) can be completed quickly, the labor intensity of a large amount of labor and workers is saved, and the shield segment support (3) is convenient to transport quickly and can be reused (4).
Drawings
Fig. 1 is a three-dimensional structure diagram (contracted state) of the present invention;
FIG. 2 is a perspective view of the present invention (expanded state);
fig. 3 is a usage effect diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A shield constructs section of jurisdiction supporting trolley, includes running gear, section of jurisdiction supporting mechanism, installs section of jurisdiction supporting mechanism on running gear, section of jurisdiction supporting mechanism include erect roof beam 17, crossbeam 9, guide bar 8, pneumatic cylinder 10, bracing 3, screw rod sleeve 5 and hob 20, erect the bottom of roof beam and the running gear is adorned admittedly, adorn one end of a crossbeam admittedly at the top of erecting the roof beam, through roof beam bracing 11 reinforcement between erect roof beam and the crossbeam, adorn one end of a guide bar admittedly at the other end of crossbeam, adorn a top cap 7 admittedly at the other end of guide bar, two back support rings of front and back on the guide bar suit, install a pneumatic cylinder on the crossbeam, the piston rod 19 tip of pneumatic cylinder connects back support ring 4, radially symmetrical on the back support ring adorns the one end of a plurality of braces, the other end of every brace all articulates with the middle part of a screw rod sleeve, the telescopic one end of screw rod and preceding support ring 6 articulate, A plurality of screw rod sleeves are radially and symmetrically arranged. All mesh in each screw rod sleeve and connect a hob, the hob wears out the screw rod sleeve and adorns a section of jurisdiction top cap 1 admittedly in the outer end of hob, all suits a rotatory handle 2 on each hob, adjusts the telescopic extension length of the relative screw rod of hob through rotatory handle.
The walking mechanism comprises a motor 12, a vehicle bottom plate 13, wheels 14, a spring buffer mechanism 15, a balance weight 18 and a cab 16, wherein the wheels are symmetrically arranged on the bottom surface of the vehicle bottom plate, the spring buffer mechanisms are symmetrically arranged among the wheels, and the motor, the balance weight, the cab and a trolley control system are arranged on the top surface of the vehicle bottom plate.
The integral duct piece supporting structure is driven by the traveling mechanism, the hydraulic cylinder and the inclined struts can realize the contraction and extension of the screw sleeve, the occupied space area of the duct piece supporting trolley is reduced, and the supporting of the target duct piece can be realized quickly.
The pipe piece top cover is in contact with the pipe piece, the pipe piece is directly supported, the inner wall of the pipe piece is supported tightly, the spiral rod is directly connected with the pipe piece top cover and is in threaded connection with the pipe piece top cover, a rotating handle is arranged on the spiral rod and can realize the rotating stretching and contraction of the spiral rod, the spiral rod is connected with a screw rod sleeve through rotating threads, the spiral rod is rotated by adjusting the rotating handle to achieve the effect of supporting the pipe piece, the six spiral rods are arranged on the front support ring at equal intervals according to the circumference and are hinged with each other, and the front support ring and the pipe piece are concentric; the front support ring is fixed through the top cover, the top cover is connected with the guide rod through threads, and the guide rod plays a role in supporting the contraction structure; the hydraulic cylinder is installed on the cross beam and fixed on the cross beam through bolts, the hydraulic cylinder realizes the contraction and extension of the screw rod sleeve through pushing and contracting the piston rod, the piston rod and the rear supporting ring are fixedly connected through bolts and nuts, and the rear supporting ring is hinged with the inclined strut.
The motor is installed on the vehicle bottom plate, through the bolt fastening, the effect of motor is for hydraulic cylinder provides power, the wheel plays the effect that drives whole device and remove on the shield track, the spring plays the stable effect of buffering in the platform truck walking, the platform truck counter weight plays the effect of counter weight to whole structure, prevent that whole emergence from turning on one's side, erect the roof beam and fix on the platform truck through bolted connection, the roof beam bracing passes through bolt and nut fixed connection with perpendicular roof beam and crossbeam, the roof beam bracing plays the effect of supporting the crossbeam.
The specific implementation is that the length of the spiral rod is adjusted to a proper position by rotating the handle when the pipe piece supporting trolley (in a fully contracted state) moves to the position of the pipe piece 21 to be supported. Then, a hydraulic cylinder is driven by a starting motor to push a piston rod forwards to a specified position, so that the segment top covers with six circumferences at equal intervals are in contact with the shield segment. The length of the spiral rod can be adjusted through rotating the handle at last, the distance from the center of the front support ring to the surface of the segment top cover is equal to the radial radius length of the shield segment, so that the segment top cover and the shield segment are in full contact, and the shield segment at the specified position is accurately supported.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a shield constructs section of jurisdiction support platform truck which characterized in that: including running gear, section of jurisdiction supporting mechanism, install section of jurisdiction supporting mechanism on running gear, section of jurisdiction supporting mechanism including a supporting beam, a guide bar, the pneumatic cylinder, bracing, screw rod sleeve and hob, the one end of installation pneumatic cylinder and guide bar on a supporting beam, the piston rod of pneumatic cylinder is parallel with the guide bar, before the suit on the guide bar, two back support rings, the back support ring is connected to the tailpiece of the piston rod portion of pneumatic cylinder, the one end of a plurality of braces of radial symmetry hinge dress on the back support ring, the other end of every bracing all with the telescopic middle part hinge dress of a screw rod, the telescopic one end of screw rod and preceding support ring hinge dress, the radial symmetry setting of a plurality of screw rod sleeves, all mesh in each screw rod sleeve and connect a hob, the hob is worn out the screw rod sleeve and is adorned a section of jurisdiction top cap admittedly in the outer.
2. The shield segment support trolley of claim 1, wherein: each screw rod is sleeved with a rotating handle.
3. The shield segment support trolley of claim 1, wherein: the supporting beam comprises a cross beam, a vertical beam and a beam diagonal brace, the bottom of the vertical beam is fixedly installed with the traveling mechanism, one end of the cross beam is fixedly installed at the top of the vertical beam, the guide rod is fixedly installed at the other end of the cross beam, the vertical beam and the cross beam are reinforced through the beam diagonal brace, and the hydraulic cylinder is installed on the cross beam.
4. The shield segment support trolley of claim 1, wherein: the running mechanism comprises a motor, a vehicle bottom plate, wheels and a cab, wherein the wheels are symmetrically arranged on the bottom surface of the vehicle bottom plate, and the motor, the cab and a trolley control system are arranged on the top surface of the vehicle bottom plate.
5. The shield segment support trolley of claim 4, wherein: spring buffer mechanisms are symmetrically arranged among the wheels.
6. The shield segment support trolley of claim 4, wherein: the top surface of the vehicle bottom plate is provided with a balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920695622.9U CN209942852U (en) | 2019-05-16 | 2019-05-16 | Shield constructs section of jurisdiction supporting trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920695622.9U CN209942852U (en) | 2019-05-16 | 2019-05-16 | Shield constructs section of jurisdiction supporting trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209942852U true CN209942852U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920695622.9U Expired - Fee Related CN209942852U (en) | 2019-05-16 | 2019-05-16 | Shield constructs section of jurisdiction supporting trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209942852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455945A (en) * | 2020-04-29 | 2020-07-28 | 中国水利水电第四工程局有限公司 | Special trolley suitable for diversion tunnel major diameter pipeline under pressure |
| CN113970290A (en) * | 2021-09-23 | 2022-01-25 | 上海市基础工程集团有限公司 | Tunnel detection device for shield construction |
| CN116950694A (en) * | 2023-09-18 | 2023-10-27 | 中交隧道工程局有限公司 | Grouting device for shield tunnel |
-
2019
- 2019-05-16 CN CN201920695622.9U patent/CN209942852U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455945A (en) * | 2020-04-29 | 2020-07-28 | 中国水利水电第四工程局有限公司 | Special trolley suitable for diversion tunnel major diameter pipeline under pressure |
| CN113970290A (en) * | 2021-09-23 | 2022-01-25 | 上海市基础工程集团有限公司 | Tunnel detection device for shield construction |
| CN116950694A (en) * | 2023-09-18 | 2023-10-27 | 中交隧道工程局有限公司 | Grouting device for shield tunnel |
| CN116950694B (en) * | 2023-09-18 | 2023-11-21 | 中交隧道工程局有限公司 | Grouting device for shield tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20200516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |