CN213684157U - Telescopic counterforce device - Google Patents
Telescopic counterforce device Download PDFInfo
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- CN213684157U CN213684157U CN202022800959.7U CN202022800959U CN213684157U CN 213684157 U CN213684157 U CN 213684157U CN 202022800959 U CN202022800959 U CN 202022800959U CN 213684157 U CN213684157 U CN 213684157U
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Abstract
A telescopic counterforce device relates to the technical field of underground space pipe jacking construction equipment, and at least comprises a front supporting plate, a rear supporting plate and a supporting member connected between the front supporting plate and the rear supporting plate. At least one connecting plate is arranged between the front supporting plate and the rear supporting plate at intervals in parallel; the connecting plates are connected with the front supporting plate, the adjacent connecting plates and the rear supporting plate through supporting members. The supporting member comprises a supporting arm, a transverse connecting shaft and a longitudinal connecting shaft; the transverse connecting shaft is horizontally connected between the middle parts of the supporting arms in the same row in a penetrating manner; the longitudinal connecting shafts are vertically connected between the transverse connecting shafts in a penetrating mode. The support arms in odd-numbered rows are same in number, the support arms in even-numbered rows are same in number, the support arms in odd-numbered rows are more than those in even-numbered rows, and the support arms in odd-numbered rows and the support arms in even-numbered rows are staggered. The utility model provides a current counterforce device use waste time and energy, and the human cost is high, problem that labour operation intensity is high.
Description
Technical Field
The utility model relates to an underground space push pipe construction equipment technical field especially relates to a be applied to scalable counterforce device of pipe shed or pipe curtain push pipe construction.
Background
Pipe curtain and pipe shed construction are two common advanced supporting methods, and both relate to a pipe jacking construction process, and the process jacks steel pipes to a designed depth section by means of jacking oil cylinders. Therefore, the counterforce generated by pushing the steel pipe needs to be born and transmitted through the counterforce device in the jacking process. The steel buttress is a counterforce device commonly used in the prior art, but the device needs field operation personnel to move to the upper part of the rack from the operation platform when in use, thereby wasting time and labor. In addition, frame both sides top mound independent setting, both sides all need the operation personnel during the transport, additionally increase the human cost, are not conform to current equipment machines and tools mechanization, reduce labour's working strength and reduce labour's construction demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a scalable counterforce device solves current counterforce device and uses the problem that wastes time and energy, and the human cost is high, and labour's operation intensity is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a telescopic counterforce device at least comprises a front supporting plate, a rear supporting plate and a supporting member connected between the front supporting plate and the rear supporting plate.
At least one connecting plate is arranged between the front supporting plate and the rear supporting plate at intervals in parallel; the connecting plates are connected with the front supporting plate, the adjacent connecting plates and the rear supporting plate through supporting members.
The supporting member comprises a supporting arm, a transverse connecting shaft and a longitudinal connecting shaft; the transverse connecting shaft is horizontally connected between the middle parts of the supporting arms in the same row in a penetrating manner; the longitudinal connecting shafts are vertically connected between the transverse connecting shafts in a penetrating mode.
The support arms in odd-numbered rows are same in number, the support arms in even-numbered rows are same in number, the support arms in odd-numbered rows are more than those in even-numbered rows, and the support arms in odd-numbered rows and the support arms in even-numbered rows are staggered.
Further preferred technical solution: the support arm includes interior tip articulated a pair of armed lever, and the armed lever includes the shrouding between the end in a pair of riser, horizontal welding horizontal plate between a pair of riser and welding.
The outer ends of the vertical plates extend outwards to exceed the horizontal plate to form a connector, and the connector is provided with a through hole.
Further preferred technical solution: a pair of first hinged plates are welded on the outer sides of the inner ends of the pair of vertical plates of the arm rod, and connecting holes are formed in the hinged plates; the inner ends of a pair of vertical plates of the other arm rod extend outwards to exceed the horizontal plate to form a second hinged plate; the pair of second hinged plates are positioned between the pair of first hinged plates and are connected in a penetrating manner through a transverse connecting shaft.
Further preferred technical solution: the longitudinal connecting shaft is a strip plate body, round holes for the cross connection of the transverse connecting shaft are arranged on the longitudinal connecting shaft at intervals along the height direction, and hoisting holes are formed in the top of the longitudinal connecting shaft.
Further preferred technical solution: the plate body of the front supporting plate is in an inverted convex shape, connecting lugs arranged in rows are uniformly connected to the plate surface on one side of the front supporting plate at intervals, the connecting lugs in each row are arranged in pairs, the number of the connecting lugs in odd rows is the same, the number of the connecting lugs in even rows is the same, and a pair of connecting lugs is arranged in the odd rows more than the even rows; the connecting lugs arranged in pairs in the odd-numbered rows and the connecting lugs arranged in pairs in the even-numbered rows are arranged in a staggered manner; the number of the arranged pairs of the connecting lugs in each row is not less than three.
Further preferred technical solution: at least two connecting ports are arranged on two sides of the front supporting plate at intervals, and the connecting ports are U-shaped and arranged in a downward inclined mode.
Further preferred technical solution: and two lifting lugs are welded at two ends of the top edge of the front supporting plate respectively.
Further preferred technical solution: the structure and size of the rear support plate are the same as those of the front support plate.
Further preferred technical solution: the plate body of the connecting plate is in an inverted convex shape, the connecting plate is provided with hinge lugs which are symmetrically arranged on two sides of the connecting plate, and the arrangement mode of the hinge lugs is the same as that of the connecting lugs on the front supporting plate; the structure of the hinge lug is the same as that of the connecting lug.
The plate body shape and the size of the connecting plate are the same as those of the front supporting plate.
Further preferred technical solution: the front supporting plate, the rear supporting plate and the two sides of the connecting plate are fixedly connected in a penetrating way through threaded rods clamped in the connecting ports.
Compared with the prior art, the utility model has the following characteristics and beneficial effect:
1, the utility model discloses the setting is at the support arm of odd number row and the support arm staggered arrangement who sets up at even number row, and the support arm of being convenient for is discharged in order in limited space after the shrink, make full use of space, controlling means's volume.
2, the utility model discloses establish connection port in the both sides of plate body, the counter-force support element under the fixed contraction state of being convenient for, according to the quantity of counter-force support element under the contraction state, the threaded rod of selecting corresponding specification is connected fixedly.
3, the utility model discloses can expand and contract counter-force support element as required, and can set up counter-force support element's quantity as required, the suitability is strong.
4, the utility model is suitable for the pipe roof or the pipe shed pipe jacking construction, avoids repeatedly carrying the counter-force transfer device in the steel pipe jacking process, reduces the labor intensity of the operating personnel and the labor cost; mechanical contraction is adopted, auxiliary operation time in construction is reduced, time and labor are saved, and construction efficiency is improved.
Drawings
Fig. 1 is a front elevation view of the retractable reaction force device (in an extended state) of the present invention.
Fig. 2 is a plan view of the retractable reaction force device (in an extended state) of the present invention.
Fig. 3 is a side elevation view of the retractable reaction force device (retracted state) of the present invention.
Fig. 4 is a front view of the retractable reaction force flag (retracted state) of the present invention.
Fig. 5 is a front elevation view of the longitudinal connecting shaft of the present invention.
Fig. 6 is a plan view of the support arm of the present invention.
Fig. 7 is a perspective view of the support arm of the present invention.
Fig. 8 is a front elevation view of the connection between the front support plate and the pushing plate of the device of the present invention.
Fig. 9 is a side elevation view of the connection between the front support plate and the device pushing plate of the present invention. Reference numerals: the device comprises a supporting arm 1, a transverse connecting shaft 2, a longitudinal connecting shaft 3, a front supporting plate 4, a rear supporting plate 5, a connecting plate 6, a lifting lug 7, a penetrating rod 8, a penetrating hole 1.1, a first hinged plate 1.2, a vertical plate 1.3, a horizontal plate 1.4, a sealing plate 1.5, a second hinged plate 1.6, an arc-shaped bayonet 1.7, a hoisting hole 3.1, a U-shaped notch 4.1, a connecting port 4.2 and a connecting lug 4.3.
Detailed Description
Referring to fig. 1 to 4, a retractable reaction device is suitable for pipe roof or pipe shed top pipe construction, and at least comprises a front support plate 4, a rear support plate 5 and a support member connected between the front support plate 4 and the rear support plate 5.
At least one connecting plate 6 is arranged between the front supporting plate 4 and the rear supporting plate 5 at intervals in parallel; the connecting plates 6 and the front supporting plate 4, the adjacent connecting plates 6 and the rear supporting plate 5 are connected through supporting members.
Referring to fig. 8 and 9, in use, the front support plate 4 is connected with the equipment pushing disc, and the rear support plate is fixedly connected with the rear backrest.
The plate body of the front supporting plate 4 is in an inverted convex shape, connecting lugs 4.3 arranged in rows are uniformly connected to the plate surface on one side of the front supporting plate 4 at intervals, the connecting lugs 4.3 in each row are arranged in pairs, the arrangement number of the connecting lugs 4.3 in odd rows is the same, the arrangement number of the connecting lugs 4.3 in even rows is the same, and a pair of connecting lugs 4.3 is arranged in the odd rows more than the even rows; the connecting lugs 4.3 arranged in pairs in the odd rows and the connecting lugs 4.3 arranged in pairs in the even rows are staggered; the number of the connecting lugs 4.3 in each row is not less than three; the front supporting plate 4 is provided with a rectangular hole for the connection lug 4.3 to pass through.
At least four U-shaped gaps 4.1 are uniformly arranged at intervals on the top edge of the front support plate 4.
Two sides of the front support plate 4 are provided with at least two connecting ports 4.2 at intervals, and the connecting ports 4.2 are U-shaped and are arranged in a downward inclination manner; the connection ports are arranged to facilitate fixing of the reaction force units in the contracted state, and threaded rods of corresponding specifications are selected to be connected and fixed according to the number of the reaction force units in the contracted state.
The two sides of the front supporting plate 4, the rear supporting plate 5 and the connecting plate 6 are fixedly connected in a penetrating way through a threaded rod clamped in the connecting port 4.2.
Two lifting lugs 7 are welded at two ends of the top edge of the front support plate 4 respectively.
In the embodiment of the front support plate 4, four pairs of connecting lugs 4.3 are arranged in odd rows, and three pairs of connecting lugs 4.3 are arranged in even rows; four U-shaped notches 4.1 are arranged; two on each side of the connection port 4.2.
The front supporting plate 4 and the adjacent counter force units are connected through a threaded rod penetrating and connected in the connecting port 4.2.
A rear support plate 5, and the rear support plate 5 has the same structure and size as the front support plate 4.
The connecting plate 6 is characterized in that the plate body of the connecting plate 6 is in an inverted convex shape, hinge lugs are arranged on the connecting plate 6 and symmetrically arranged on two sides of the connecting plate 6, and the arrangement mode of the hinge lugs is the same as that of the connection lugs 4.3 on the front supporting plate 4; the structure of the hinge lug is the same as that of the connecting lug 4.3.
The connecting plate 6 has the same plate body shape and size as the front support plate 4.
A support member comprising a support arm 1, a transverse connecting shaft 2 and a longitudinal connecting shaft 3; the transverse connecting shaft 2 is horizontally connected between the middle parts of the supporting arms 1 in the same row in a penetrating manner; the longitudinal connecting shafts 3 are vertically connected between the transverse connecting shafts 2 in a penetrating mode.
The support arm sets up the quantity the same in odd-numbered row, and the support arm sets up the quantity the same in even-numbered row, and the odd-numbered row sets up a support arm more than the even row, and the support arm is arranged with the crisscross setting of even row support arm in odd-numbered row, and this setting is in order arranging in limited space after the support arm shrink for the convenience, make full use of space, control counterforce device's volume.
The number of the supporting arms 1 in each row is not less than three; the quantity of support arm depends on the size of preceding backup pad, back backup pad and connecting plate, can guarantee to provide sufficient counter-force according to the big or small increase quantity of preceding backup pad, back backup pad and connecting plate, guarantees that the steel pipe normally advances in top.
The support arm 1, support arm 1 connect between preceding backup pad 4 and back backup pad 5 or between preceding backup pad 4 and connecting plate 6 or between back backup pad 5 and connecting plate 6 or between two adjacent connecting plates 6.
Referring to fig. 6 and 7, in the support arm 1, the support arm 1 includes a pair of arm rods with inner ends hinged to each other, and each arm rod includes a pair of elongated vertical plates 1.3, a horizontal plate 1.4 horizontally welded between the pair of vertical plates, and a sealing plate 1.5 welded between the inner ends of the pair of vertical plates.
The outer ends of the pair of vertical plates 1.3 extend outwards beyond the horizontal plate to form a connector, and the connector is provided with a through hole 1.1.
Arc bayonets 1.7 are symmetrically formed in the bottom edges of the outer portions of the pair of vertical plates 1.3, and after a pair of arm rods of the supporting arm 1 is contracted upwards, the transverse connecting shaft 2 is correspondingly clamped in the arc bayonets 1.7, so that the occupied space after contraction is saved; specifically, the transverse connecting shafts 2 which are penetrated and connected on the supporting arms 1 in the even rows are correspondingly clamped in the arc-shaped bayonets 1.7 on the pair of vertical plates 1.3 of the arm rods of the supporting arms 1 in the odd rows.
When the support arm 1 is connected with the front support plate 4, the pair of vertical plates 1.3 of the arm rod of the support arm 1 are positioned between the pair of connecting lugs 4.3 of the front support plate 4 and are connected through the cross-connecting rod 8 which is connected between the cross-connecting hole 1.1 of the vertical plate 1.3 and the pair of connecting lugs 4.3 in a penetrating manner.
When support arm 1 is connected with back backup pad 5, a pair of riser 1.3 of the armed lever of support arm 1 is located between a pair of engaging lug of back backup pad 5 to through wearing the cross-under pole 8 connection between the cross-under hole 1.1 of riser 1.3 and a pair of engaging lug.
When the support arm 1 is connected with the connecting plate 6, the pair of vertical plates 1.3 of the arm rod of the support arm 1 are positioned between the pair of hinge lugs of the connecting plate 6 and are connected through the cross-connecting rod 8 which is connected between the cross-connecting hole 1.1 of the vertical plate 1.3 and the pair of hinge lugs in a penetrating manner.
A pair of first hinged plates 1.2 are welded on the outer sides of the inner ends of a pair of vertical plates 1.3 of an arm rod, and connecting holes are formed in the hinged plates 1.2; the inner ends of a pair of vertical plates 1.3 of a sealing plate 1.5 of the other arm rod extend outwards to exceed the horizontal plate to form a second hinged plate 1.6; the pair of second hinge plates 1.6 is positioned between the pair of first hinge plates 1.2 and is connected through a transverse connecting shaft 2.
Referring to fig. 5, the longitudinal connecting shaft 3 is a long plate body, round holes for penetrating the transverse connecting shaft 2 are formed in the longitudinal connecting shaft 3 at intervals along the height direction, and hoisting holes 3.1 are formed in the top of the longitudinal connecting shaft 3; when the reaction unit needs to be contracted, a crane is used for connecting the hoisting hole 3.1, so that all the supporting arms of the reaction unit are contracted; at least two longitudinal connecting shafts 3 are connected to each transverse connecting shaft 2 at intervals in a penetrating mode.
In this embodiment, three connection plates 6 are disposed between the front support plate 4 and the rear support plate 5, and the front support plate 4, the first connection plate 6 and the support member therebetween form a first counter-force unit; by analogy, the first connecting plate 6, the second connecting plate 6 and the supporting member between the two form a second counter-force unit; the second connecting plate 6, the third connecting plate 6 and the supporting member between the two form a third counter-force unit; the third connecting plate 6, the rear support plate 5 and the support member therebetween constitute a fourth reaction force unit.
The setting quantity of the counter force units depends on the length of a single jacking steel pipe and the length of the counter force units, the length of the counter force units mainly depends on the length of the supporting arms, and the length of the supporting arms mainly depends on the jacking stroke of the jacking oil cylinder.
The utility model discloses the working process:
the method comprises the following steps: the back plate of the equipment positioning equipment is tightly attached and fixed with the back wall, the cylinder barrel of the oil cylinder is retracted after the steel pipe is pushed forward by a stroke, and the counter-force device in a contraction state is hoisted to the construction platform.
Step two: and (3) carrying out second stroke steel pipe jacking: before the cylinder barrel of the oil cylinder is retracted, a front supporting plate and a pushing disc of the counterforce device are connected, and a threaded rod with a proper specification is selected to fix other counterforce units except the first counterforce unit through a connecting port; then the cylinder barrel of the oil cylinder is retracted, and the cylinder barrel is driven to gradually expand through the pushing disc in the advancing process.
Step three: and (5) performing subsequent jacking of the steel pipe according to the operation of the step two until the jacking of the section of steel pipe is finished.
Step four: retracting the power head, and retracting each counter-force unit: when the counter-force unit is contracted, the crane is firstly utilized to connect the hoisting hole 3.1 at the upper end of the longitudinal connecting shaft, the supporting arm begins to contract, the power head is retracted at the moment, the counter-force unit is driven to contract, and the process is repeated until the contraction of each counter-force unit is finished.
Step five: the front supporting plate and the pushing disc are detached.
Step six: and (5) hanging back for placement.
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 (10)
1. A scalable counterforce device, its characterized in that: at least comprises a front supporting plate (4), a rear supporting plate (5) and a supporting member connected between the front supporting plate (4) and the rear supporting plate (5);
at least one connecting plate (6) is arranged between the front supporting plate (4) and the rear supporting plate (5) at intervals in parallel; the connecting plates (6) are connected with the front supporting plate (4), the adjacent connecting plates (6) and the rear supporting plate (5) through supporting members;
the supporting component comprises a supporting arm (1), a transverse connecting shaft (2) and a longitudinal connecting shaft (3); the transverse connecting shaft (2) is horizontally connected between the middle parts of the supporting arms (1) in the same row in a penetrating manner; the longitudinal connecting shafts (3) are vertically connected between the transverse connecting shafts (2) in a penetrating manner;
the support arms in odd-numbered rows are same in number, the support arms in even-numbered rows are same in number, the support arms in odd-numbered rows are more than those in even-numbered rows, and the support arms in odd-numbered rows and the support arms in even-numbered rows are staggered.
2. The retractable reaction force device of claim 1, wherein: the supporting arm (1) comprises a pair of arm rods with hinged inner ends, each arm rod comprises a pair of long vertical plates (1.3), a horizontal plate (1.4) horizontally welded between the vertical plates and a sealing plate (1.5) welded between the inner ends of the vertical plates;
the outer ends of the pair of vertical plates (1.3) extend outwards beyond the horizontal plate to form a connector, and the connector is provided with a through hole (1.1).
3. The retractable reaction force device of claim 2, wherein: a pair of first hinged plates (1.2) are welded at the outer sides of the inner ends of a pair of vertical plates (1.3) of an arm rod, and connecting holes are formed in the hinged plates (1.2); the inner ends of a pair of vertical plates (1.3) of the other arm rod extend outwards to exceed the horizontal plate to form a second hinged plate (1.6); the pair of second hinged plates (1.6) is positioned between the pair of first hinged plates (1.2) and is connected in a penetrating way through the transverse connecting shaft (2).
4. The retractable reaction force device of claim 1, wherein: the longitudinal connecting shaft (3) is a strip plate body, round holes for the cross connection of the transverse connecting shaft (2) are formed in the longitudinal connecting shaft at intervals in the height direction, and hoisting holes (3.1) are formed in the top of the longitudinal connecting shaft (3).
5. The retractable reaction force device of any one of claims 1 to 4, wherein: the plate body of the front supporting plate (4) is in an inverted convex shape, connecting lugs (4.3) arranged in rows are uniformly connected to the plate surface on one side of the front supporting plate at intervals, the connecting lugs (4.3) in each row are arranged in pairs, the number of pairs of the connecting lugs (4.3) in odd rows is the same, the number of pairs of the connecting lugs (4.3) in even rows is the same, and a pair of connecting lugs (4.3) is arranged in the odd rows more than the even rows; the connecting lugs (4.3) arranged in pairs in the odd rows and the connecting lugs (4.3) arranged in pairs in the even rows are staggered; the number of the arranged pairs of the connecting lugs (4.3) in each row is not less than three.
6. The retractable reaction force device of claim 5, wherein: two sides of the front supporting plate (4) are provided with at least two connecting ports (4.2) at intervals, and the connecting ports (4.2) are U-shaped and arranged in a downward inclination mode.
7. The retractable reaction force device of claim 6, wherein: lifting lugs (7) are respectively welded at two ends of the top edge of the front supporting plate (4).
8. The retractable reaction force device of claim 7, wherein: the structure and the size of the rear supporting plate (5) are the same as those of the front supporting plate (4).
9. The retractable reaction force device of claim 8, wherein: the plate body of the connecting plate (6) is in an inverted convex shape, hinge lugs are arranged on the connecting plate (6), the hinge lugs are symmetrically arranged on two sides of the connecting plate (6), and the arrangement mode of the hinge lugs is the same as that of the connecting lugs (4.3) on the front supporting plate (4); the structure of the hinge lug is the same as that of the connecting lug (4.3);
the plate body shape and the size of the connecting plate (6) are the same as those of the front supporting plate (4).
10. The retractable reaction force device of claim 9, wherein: the two sides of the front supporting plate (4), the rear supporting plate (5) and the connecting plate (6) are fixed in a penetrating way through threaded rods clamped in the connecting ports (4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022800959.7U CN213684157U (en) | 2020-11-27 | 2020-11-27 | Telescopic counterforce device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022800959.7U CN213684157U (en) | 2020-11-27 | 2020-11-27 | Telescopic counterforce device |
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| Publication Number | Publication Date |
|---|---|
| CN213684157U true CN213684157U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022800959.7U Active CN213684157U (en) | 2020-11-27 | 2020-11-27 | Telescopic counterforce device |
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| CN (1) | CN213684157U (en) |
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- 2020-11-27 CN CN202022800959.7U patent/CN213684157U/en active Active
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