CN212202063U - Unit pipe joint pushing mechanism for pipe jacking machine - Google Patents
Unit pipe joint pushing mechanism for pipe jacking machine Download PDFInfo
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- CN212202063U CN212202063U CN202020681780.1U CN202020681780U CN212202063U CN 212202063 U CN212202063 U CN 212202063U CN 202020681780 U CN202020681780 U CN 202020681780U CN 212202063 U CN212202063 U CN 212202063U
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- push pedal
- unit pipe
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Abstract
The utility model relates to a push bench unit tube coupling push mechanism, including setting up the pre-buried steel sheet at the working well, be provided with the installation position that is used for fixed jack cylinder body on the pre-buried steel sheet, be provided with the push pedal of two at least promotion unit tube couplings on the pre-buried steel sheet, the face of push pedal is vertical to be arranged and the symmetry sets up on the pre-buried steel sheet, the hydro-cylinder of jack starts and interlock push pedal horizontal migration, the push pedal supports against and moves towards the entrance to a cave of working well with the one end of unit tube coupling; the cylinder body of jack is vertical arranges, the jack passes through the link gear and is connected with the push pedal, jack vertical movement and link push pedal horizontal migration turn into the horizontal migration of push pedal with vertical migration, thereby realize the jacking operation to unit tube coupling one end, carry out the jacking to the ejector sleeve gradually, accomplish the construction operation, jack vertical arrangement, make the horizontal occupation space of jack in the working well less, thereby reserve and have sufficient space to supply other equipment and personnel to use, with the convenience that improves the construction.
Description
Technical Field
The utility model belongs to the technical field of the engineering technique and specifically relates to a push bench is with unit tube coupling push mechanism.
Background
The push bench is often seen in the construction of conventional muddy water balance (earth pressure balance), among the above-mentioned muddy water balance construction process, the push bench roof pressure unit tube coupling single can only be to a direction jacking, this because be used for roof pressure unit tube coupling to need back support towards the jack cylinder body that the entrance to a cave removed, the back sets up the opposite direction at the jacking, and the cylinder body of jack among the prior art mostly arranges in the horizontal direction, and for the realization jacking to unit tube coupling, the piston length of jack is longer, and the jack makes whole plane region that just occupies most of working well with the back, especially when advancing the operation to great well hole jacking, the vertical regional area itself that the jack occupy is great, reserves the activity space for other equipment and personnel very limited to there is the inconvenience during messenger's whole construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a push bench unit tube coupling push mechanism can show and reduce the jack and occupy the longitudinal region of working well, improves the convenience of construction.
The utility model provides a solve technical problem and adopt following technical scheme:
a unit pipe joint pushing mechanism for a pipe jacking machine comprises a pre-buried steel plate arranged in a working well, wherein an installation position for fixing a jack cylinder body is arranged on the pre-buried steel plate, at least two pushing plates for pushing unit pipe joints are arranged on the pre-buried steel plate, the plate surfaces of the pushing plates are vertically arranged and symmetrically arranged on the pre-buried steel plate, an oil cylinder of the jack is started and is linked with the pushing plates to move horizontally, and the pushing plates abut against one ends of the unit pipe joints and move towards a hole of the working well; the cylinder body of the jack is vertically arranged, the jack is connected with the push plate through the linkage mechanism, and the jack vertically moves and links the push plate to horizontally move.
The utility model discloses still there is following technical characteristic:
the lower end of the push plate and the rail form sliding fit in the horizontal direction, and the rail is horizontally arranged in two rows at intervals in parallel.
The utility model discloses a receiving device, including orbital unit pipe section, connect the material balladeur train, the orbital front end is provided with the receipts material balladeur train that accepts the unit pipe section, it comprises many receipts material slide bar horizontal separation to connect the material balladeur train, many connect material slide bar and track parallel arrangement, many connect the material slide bar to enclose synthetic arc plate structure, connect the material balladeur train and the adjustable cooperation in track constitution length direction's position.
Many connect the both ends of material slide bar to be provided with installation branch, the vertical downwardly extending of installation branch just constitutes an organic whole.
The outer fringe of push pedal is whole to be convex platelike structure, the edge of push pedal is provided with dodges the breach, dodge the breach and run through along the length direction of push pedal and arrange, dodge the breach and be used for with connect the material slide bar formation to dodge.
The vertical stand that is provided with on the pre-buried steel sheet, be provided with the fixed flange dish that is used for fixed jack on the stand, the piston rod of jack is vertical downwards and articulated with the one end of push rod, the other end and the push pedal of push rod are articulated, the articulated shaft level at push rod both ends just is perpendicular with the moving direction of push pedal.
The included angle between the push rod and the normal is an acute angle.
The track side parallel arrangement has the slide bar, the push pedal sliding setting is on the slide bar.
Compared with the prior art, the beneficial effects of the utility model are embodied in: foretell jack vertical migration turns into the horizontal migration of push pedal with vertical migration to the realization advances the operation to the top of unit tube coupling one end, advances to the top pipe gradually, accomplishes the construction operation, foretell jack vertical arrangement makes the horizontal occupation space of jack in the working well less, thereby reserves sufficient space and supplies other equipment and personnel to use, with the convenience that improves the construction.
Drawings
FIGS. 1 and 2 are schematic structural views of two visual angles of pipe jacking construction equipment in a working well;
FIG. 3 is a schematic structural view of the pipe jacking construction equipment after being located in the working well and being moved out of the bottom plate;
FIG. 4 is a front view of the pipe jacking construction equipment in a work well;
FIG. 5 is a schematic structural view of the pipe jacking construction equipment;
FIG. 6 is a front view of the pipe jacking construction equipment;
FIGS. 7 and 8 are two view structure diagrams of a part of the structure of the pipe jacking construction equipment;
FIG. 9 is a schematic view of the structure of the push plate.
Detailed Description
Referring to fig. 1 to 9, the structural features of the present invention are detailed as follows:
the following whole push pipe construction equipment is combined, and the utility model discloses a push pipe machine unit tube section push mechanism does detailed explanation:
a pipe jacking construction device comprises an embedded steel plate 20 arranged in a working well 10, wherein the embedded steel plate 20 is provided with an installation position for fixing a cylinder body of a jack 30, the embedded steel plate 20 is provided with at least two push plates 40 for pushing unit pipe joints, the plate surfaces of the push plates 40 are vertically arranged and symmetrically arranged on the embedded steel plate 20, an oil cylinder of the jack 30 is started and is linked with the push plates 40 to horizontally move, and the push plates 40 abut against one ends of the unit pipe joints and move towards a hole of the working well 10;
referring to fig. 1 to 5, before the pipe jacking equipment is hoisted into a working well 10, the working well 10 needs to be excavated, the working well 10 is excavated at the middle section of a pipe jacking construction path, a mounting bolt is reserved in the working well 10 in advance for mounting an embedded steel plate 20, the embedded steel plate 20 is hoisted into a working rib 10 by using a truss crane and is fixed by the embedded bolt, then a cylinder body of a jack 30 is mounted on a mounting position of the embedded steel plate 20, the jack 30 is started, and a push plate 40 is linked to be jacked towards respective hole openings, so that the pipe jacking operation of the working well 10 is carried out at the same time in two directions, when a machine head on one side of a well bore of the working well fails, the other side of the working well can normally advance, and the serious problem of shutdown of the whole engineering caused by the machine head failure in the process of unidirectional jacking is reduced.
As a preferred scheme of the present invention, in order to reduce the lateral space of the working well 10 occupied by the jack 30 and leave sufficient lateral space for arranging other equipment in the working well 10, the cylinder of the jack 30 is vertically arranged, the jack 30 is connected with the push plate 40 through the linkage mechanism, the jack 30 vertically moves and the linkage push plate 40 horizontally moves;
the jack 30 vertically moves to convert the vertical movement into the horizontal movement of the push plate 40, so that the jacking operation of one end of the unit pipe joint is realized, the jacking pipe is gradually jacked, the construction operation is completed, the jack 30 is vertically arranged, the horizontal occupied space of the jack 30 in the working well 10 is small, and sufficient space is reserved for installing other equipment.
In order to realize stable and reliable installation of the embedded steel plate 20, support rods 50 are arranged at intervals in the circumferential direction of the embedded steel plate 20, and rod ends of the support rods 50 are abutted against the inner wall of the working well 10;
firstly, the embedded steel plate 20 is hung in the working well 10 by using the truss hanging equipment and is stably installed, and the rod end of the support rod 50 is abutted against and installed on the inner wall of the working well 10, so that the embedded steel plate 20 can be effectively fixedly installed, and the embedded steel plate 20 is prevented from being lifted under the reverse action of the jack 30 during working;
in order to realize effective abutting of the stay bar 50 and the inner wall of the working well 10 and ensure stable installation of the whole equipment, one end of the stay bar 50 is hinged with the embedded steel plate 20, the hinged shaft is horizontally arranged, the stay bar 50 is connected with a supporting structure, and the supporting mechanism is used for adjusting an included angle between the stay bar 50 and the embedded steel plate 20;
when the pre-buried steel sheet 20 is sent to the equipment that hangs of purlin, vaulting pole 50 extends to one side to pre-buried steel sheet 20 horizontality sinks into the shaft bottom position of working well 10, and then the rod end of vaulting pole 50 supports with the inner wall of working well 10 and leans on, adjusts supporting mechanism, reduces the contained angle between vaulting pole 50 and the pre-buried steel sheet 20, makes the contained angle diminish, and then can make the rod end of vaulting pole 50 and the inner wall of working well 10 stably support and lean on, in order to ensure the tight installation operation in top to whole equipment.
In order to realize the adjustment of the included angle between the support rod 50 and the embedded steel plate 20, the support mechanism comprises a support roller 51, the wheel core of the support roller 51 is horizontal and vertical to the length direction of the support rod 50, the wheel rim of the support roller 51 is abutted against the rod body of the support rod 50, the wheel carrier of the support roller 51 is fixed on an adjusting plate 52, an adjusting screw rod 53 is vertically arranged on the adjusting plate 52, the upper end of the adjusting screw rod 53 extends out of the upper plate surface of the embedded steel plate 20, and an adjusting nut 54 is arranged at the upper end of the adjusting screw rod 53;
during actual adjusting operation, after the embedded steel plate 20 is hung at the shaft bottom of the working well 10, the adjusting nut 54 is screwed by using a large wrench tool, so that the adjusting plate 52 is lifted upwards, the supporting roller 51 moves towards the rod end of the supporting rod 51, and an included angle between the supporting rod 51 and the embedded steel plate 20 is reduced, so that the embedded steel plate 20 can be effectively fixed in the working well 10, and effective fixing of equipment is realized.
More specifically, the stay bar 50 is of a telescopic rod structure, the front end of the stay bar 50 is hinged with an arc-shaped top plate 55, the outer edge of the arc-shaped top plate 55 abuts against the inner wall of the working well 10, and the hinged shaft of the arc-shaped top plate 55 is horizontal and is perpendicular to the stay bar 50;
In order to realize horizontal progressive pushing of the unit pipe joints, the lower end of the push plate 40 and the rail 60 form sliding fit in the horizontal direction, and the rail 60 is horizontally arranged in two rows at intervals in parallel.
More preferably, a material receiving carriage 61 for receiving a unit pipe joint is arranged at the front end of the rail 60, the material receiving carriage 61 is formed by a plurality of material receiving slide bars 611 at horizontal intervals, the plurality of material receiving slide bars 611 are arranged in parallel with the rail 60, the plurality of material receiving slide bars 611 surround to form an arc-shaped plate structure, and the material receiving carriage 61 and the rail 60 form position adjustable matching in the length direction;
the material receiving sliding frame 61 can effectively pocket a single unit pipe joint, so that the unit pipe joint is in a pipe core horizontal state and is abutted against the rod body of the material receiving sliding rod 611, the jack 30 is started, the push plate 40 moves horizontally and is parallel to the moving direction of the material receiving sliding rod 611, and the unit pipe joint can be effectively pushed into a well hole horizontally, so that the unit pipe joint can be pushed gradually.
More specifically, in order to effectively push the unit pipe joints into the well and separate the unit pipe joints from the carriage 61, mounting support rods 612 are arranged at two ends of the material receiving slide bars 611, the mounting support rods 612 extend vertically and downwardly and form a whole, the outer edge of the push plate 40 is integrally in a circular arc plate-shaped structure, an avoiding notch 41 is arranged at the edge of the push plate 40, the avoiding notch 41 penetrates through the push plate 40 along the length direction thereof, and the avoiding notch 41 is used for avoiding the material receiving slide bars 611;
after the jack 30 is started, the linkage push plate 40 moves horizontally, the push plate 40 moves horizontally and enables the avoidance gap 41 and the material receiving slide bar 611 to avoid when moving in the horizontal direction, so that the unit pipe joint on the material receiving slide bar 611 can be effectively and gradually jacked from one end of a well hole to complete pipe jacking operation, and the positions of the material receiving sliding frame 61 and the track 60 are adjusted to adapt to the positions of the material receiving sliding frame 61 and the well hole so as to ensure that the unit pipe joint can be effectively separated from the material receiving sliding frame 61 after being jacked into the well hole.
Finally, in order to horizontally drive the push plate 40, an upright column 71 is vertically arranged on the embedded steel plate 20, a fixing flange plate 72 for fixing the jack 30 is arranged at the upper end of the upright column 71, a piston rod of the jack 30 is vertically downward and hinged with one end of a push rod 73, the other end of the push rod 73 is hinged with the push plate 40, hinged shafts at two ends of the push rod 73 are horizontal and perpendicular to the moving direction of the push plate 40, a bottom plate 80 is prefabricated at the bottom of the working well 10, a reserved bolt 81 is vertically arranged on the bottom plate 80, and the upper end of the reserved bolt 81 extends out of the upper plate surface of the fixing flange plate 72 and is provided with a nut;
the piston of the jack 30 is vertically arranged, the cylinder body of the jack 30 can be effectively fixed through the fixing flange plate 72, and when the jack 30 vertically moves and drives the push rod 73, the linkage push plate 40 slides along the track 60, so that the horizontal jacking operation of one end of the unit pipe joint is realized, and the construction of a jacking pipe is completed;
in actual operation, according to the diameter of the working well 10, the number of pipe joints to be pushed, the diameter of the pipe joints and the pushing length, a proper selection is made for the size of the jack 30, when the jack 30 is used in the existing construction, the length of the jack 30 is mostly 1.5m, the diameter of the fixing flange plate 72 is mostly 2m, the diameter of the bottom plate 80 is 2-3 m, the reserved bolts 81 are arranged in 16-24 groups at equal angular intervals along the circumferential direction of the bottom plate 80, and the same number of through holes are arranged on the fixing flange plate 72;
when the jack 30 is installed, the lifting equipment is utilized to hang the jack 30 into the working well 10, then the through holes in the fixing flange plate 72 completely penetrate through the reserved bolts 81, the fixing flange plate 72 is attached to the bottom plate 80, and then the nuts are respectively arranged on the reserved bolts 81, so that the jack 30 can be effectively fixed, and the reliability of fixing the bottom of the working well 10 is ensured.
The above-mentioned stress analysis of the pushing rod 73 of the jack 30 can be concluded that the cylinder of the jack 30 bears the vertical upward reverse component force, and therefore, the prefabricated bottom plate 80 and the reserved bolt 81 are fastened through a plurality of mounting positions, and further, the stable mounting of the equipment is realized.
The pipe-jacking construction process is introduced below, the pipe-jacking construction process uses the above-mentioned equipment, and the pipe-jacking construction process comprises the following steps:
firstly, determining a jacking route, and digging a working well 10 at the middle section of the jacking route;
secondly, pouring concrete foundation embedded bolts at the bottom of the working well 10, and arranging the embedded bolts on the inner wall of the working well in the same way;
thirdly, digging a foundation pit at the bottom of the working well 10, pouring concrete in the foundation pit, placing the bottom plate 80 in the foundation pit after the concrete is solidified, so that the bottom plate 80 is placed flatly, pouring the concrete in the foundation pit again, covering the bottom plate 80 with the concrete, arranging reserved bolts 81 at intervals in the circumferential direction of the bottom plate 80, and arranging embedded bolts on the inner wall of the working well;
fourthly, adjusting a supporting mechanism to enable an included angle between the support rod 50 and the embedded steel plate 20 to be reduced, enabling the rod end of the support rod 50 to be abutted against the hole wall of the working rib 10, and fastening the rod end and the embedded bolt on the inner wall of the working well 10 through a nut;
fifthly, debugging a hydraulic station, namely hoisting and conveying the single unit pipe joint to the material receiving sliding frame 61, so that the pipe orifice of the unit pipe joint corresponds to the orifice of the well hole;
sixthly, starting the jack 30 to enable a piston rod of the jack 30 to extend, linking the push plate 40 to move horizontally, pushing the unit pipe joint into the well hole, and completing jacking of the single unit pipe joint;
and seventhly, repeating the fifth step and the sixth step until the unit pipe joints are distributed in the well hole.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a push bench unit tube coupling push mechanism which characterized in that: the device comprises an embedded steel plate (20) arranged in a working well (10), wherein the embedded steel plate (20) is provided with an installation position for fixing a cylinder body of a jack (30), the embedded steel plate (20) is provided with at least two push plates (40) for pushing unit pipe joints, the surfaces of the push plates (40) are vertically arranged and symmetrically arranged on the embedded steel plate (20), an oil cylinder of the jack (30) is started and is linked with the push plates (40) to horizontally move, and the push plates (40) are abutted against one ends of the unit pipe joints and move towards a hole of the working well (10); the cylinder body of the jack (30) is vertically arranged, the jack (30) is connected with the push plate (40) through the linkage mechanism, and the jack (30) vertically moves and is linked with the push plate (40) to horizontally move.
2. The push bench unit pipe joint pushing mechanism of claim 1, wherein: the lower end of the push plate (40) and the rail (60) form sliding fit in the horizontal direction, and the rail (60) is horizontally arranged in two rows at intervals in parallel.
3. The push bench unit pipe joint pushing mechanism of claim 2, wherein: the front end of track (60) is provided with connects material balladeur train (61) of accepting the unit tube section, connect material balladeur train (61) to constitute by many material receiving slide bars (611) horizontal interval, many material receiving slide bars (611) and track (60) parallel arrangement, many material receiving slide bars (611) enclose into the arc structure, connect material balladeur train (61) and track (60) to constitute the adjustable cooperation in length direction's position.
4. The push bench unit pipe joint pushing mechanism of claim 3, wherein: the two ends of the material receiving sliding rods (611) are provided with mounting support rods (612), and the mounting support rods (612) vertically extend downwards and form a whole.
5. The push bench unit pipe joint pushing mechanism of claim 4, wherein: the outer edge of push pedal (40) is whole to be convex platelike structure, the edge of push pedal (40) is provided with dodges breach (41), dodge breach (41) and run through along the length direction of push pedal (40) and arrange, dodge breach (41) be used for with connect material slide bar (611) to form dodge.
6. The push bench unit pipe joint pushing mechanism of claim 1, wherein: vertical stand (71) that is provided with on pre-buried steel sheet (20), be provided with fixed flange dish (72) that are used for fixed jack (30) on stand (71), the piston rod of jack (30) is vertical downwards and articulated with the one end of push rod (73), the other end and the push pedal (40) of push rod (73) are articulated, the articulated shaft level at push rod (73) both ends just is perpendicular with the moving direction of push pedal (40), the bottom prefabrication of working well (10) has bottom plate (80), vertically on bottom plate (80) be provided with reserve bolt (81), the last face that stretches out fixed flange dish (72) on reserve bolt (81) upper end just is provided with the nut.
7. The push bench unit pipe joint pushing mechanism of claim 6, wherein: the included angle between the push rod (73) and the normal line is an acute angle.
8. The push bench unit pipe joint pushing mechanism of claim 3, wherein: the side of the track (60) is provided with a sliding rod in parallel, and the push plate (40) is arranged on the sliding rod in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020681780.1U CN212202063U (en) | 2020-04-29 | 2020-04-29 | Unit pipe joint pushing mechanism for pipe jacking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020681780.1U CN212202063U (en) | 2020-04-29 | 2020-04-29 | Unit pipe joint pushing mechanism for pipe jacking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212202063U true CN212202063U (en) | 2020-12-22 |
Family
ID=73830987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020681780.1U Active CN212202063U (en) | 2020-04-29 | 2020-04-29 | Unit pipe joint pushing mechanism for pipe jacking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212202063U (en) |
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2020
- 2020-04-29 CN CN202020681780.1U patent/CN212202063U/en active Active
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