CN113184744B - Auxiliary device suitable for center-penetrating jack and application method thereof - Google Patents
Auxiliary device suitable for center-penetrating jack and application method thereof Download PDFInfo
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- CN113184744B CN113184744B CN202110413895.1A CN202110413895A CN113184744B CN 113184744 B CN113184744 B CN 113184744B CN 202110413895 A CN202110413895 A CN 202110413895A CN 113184744 B CN113184744 B CN 113184744B
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- jack
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- auxiliary device
- suspender
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The application relates to an auxiliary device suitable for a perforating jack and a using method thereof, wherein the auxiliary device comprises the following components: a cylinder structure for mounting on the box girder; a lower support member disposed within the barrel structure; the upper supporting piece is assembled on the cylinder structure and is positioned above the lower supporting piece; and in the cylinder structure, a containing space for containing the penetrating jack is formed between the upper supporting piece and the lower supporting piece; a locking structure for locking or unlocking the boom; when the suspender is lowered, the locking structure unlocks the suspender, and the penetrating jack is positioned in the accommodating space and is borne on the lower support; when the boom is lengthened, the locking structure locks the boom, and the penetrating jacks are borne on the upper supporting piece and lengthened in the accommodating space, so that connectors are avoided to penetrate through the penetrating jacks.
Description
Technical Field
The application relates to the field of bridge construction, in particular to an auxiliary device suitable for a penetrating jack and a using method thereof.
Background
With the gradual maturity of bridge construction technology, the combined support of the steel pipe and the bailey beam is widely applied to cast-in-place box girders, and compared with a full framing, the combined support has stronger adaptability to foundations with different bearing capacities.
In some related technologies, after the construction of the cast-in-situ box girder is completed, the combined bracket of the steel pipe and the bailey girder needs to be removed, generally, an integral removal mode is adopted, and the general principle is as follows: pre-burying a preformed hole in a cast-in-situ box beam, connecting a finish rolling screw suspender with a distribution beam at the bottom of a bailey beam in a combined bracket through the lower end of the preformed hole, and connecting the upper end of the finish rolling screw suspender with the top of a punching jack through the upper end of the punching jack, wherein the punching jack starts to bear force to drive the finish rolling screw suspender to move downwards; and dismantling the steel pipe bracket by using a crane; the whole process penetrating jack is used as a power device to gradually and separately lower the bailey beam, and the bailey beam is directly and integrally lowered to the ground.
However, when the combined support is lowered in a high pier area, the length of the finish rolling screw suspender is insufficient, and the finish rolling screw suspender needs to be lengthened, so that a connector at a position after lengthening cannot pass through the penetrating jack, and the integral lowering of the bailey beam in the combined support is affected.
Disclosure of Invention
The embodiment of the application provides an auxiliary device suitable for a penetrating jack and a using method thereof, which are used for solving the problem that a connector at a position after lengthening cannot penetrate through the penetrating jack in the related art, and the integral lowering of a bailey beam in a combined bracket is affected.
In a first aspect, there is provided an auxiliary device for a jack, comprising:
A cylinder structure for mounting on the box girder;
a lower support member disposed within the barrel structure;
The upper supporting piece is assembled on the cylinder structure and is positioned above the lower supporting piece; and in the cylinder structure, a containing space for containing the penetrating jack is formed between the upper supporting piece and the lower supporting piece; the upper support piece and the lower support piece are respectively provided with a first hole for the hanging rod to pass through;
a locking structure for locking or unlocking the boom;
When the suspender is lowered, the locking structure unlocks the suspender, and the penetrating jack is positioned in the accommodating space and is borne on the lower support; when the boom is lengthened, the locking structure locks the boom, and the penetrating jack is borne on the upper supporting piece and is lengthened in the accommodating space.
In some embodiments, the locking structure comprises:
A backing plate disposed within the barrel structure and below the lower support; the base plate is provided with a first channel and a second channel which are communicated with each other so that the suspender is switched between the first channel and the second channel; the caliber of the first channel is larger than the outer diameter of the suspender and smaller than the outer diameter of a connector for lengthening the suspender, and the caliber of the second channel is larger than the outer diameter of the connector.
In some embodiments, the locking structure further comprises: and the blocking pin is detachably arranged on the base plate so as to block the second channel.
In some embodiments, the top of the barrel structure is provided with a mounting groove for mounting the upper support.
In some embodiments, an operation window is provided at the bottom of the cylinder structure.
In some embodiments, a reinforcing bracket for supporting the upper supporting piece is vertically arranged on the cylinder wall of the cylinder structure.
In some embodiments, the device further comprises a bottom plate installed at the bottom of the cylinder structure, and a second hole for passing through the hanging rod is formed in the bottom plate.
In some embodiments, the lower support comprises:
The C-shaped support cushion block comprises a plurality of I-shaped steels, and the I-shaped steels are spliced in a C shape;
the double-layer support disc is arranged at the top of the C-shaped support cushion block, and the double-layer support disc is provided with the first hole.
In a second aspect, a method of using an auxiliary device for a jack is provided, comprising the steps of:
putting a penetrating jack into the accommodating space and installing the penetrating jack on the lower supporting piece;
connecting the penetrating jack with a boom, and unlocking the boom to drive the boom to be lowered until the boom is lowered to an lengthening position;
locking the suspender and releasing the connection between the center-through jack and the suspender;
Moving the penetrating jack and mounting on the upper support;
the boom to be lengthened passes through the top of the penetrating jack and is lengthened in the accommodating space.
In some embodiments, the locking structure includes a backing plate disposed within the barrel structure and below the lower support; the backing plate is provided with a first channel and a second channel which are communicated with each other; the caliber of the first channel is larger than the outer diameter of the suspender and smaller than the outer diameter of a connector for lengthening the suspender, and the caliber of the second channel is larger than the outer diameter of the connector;
moving the tie plate to pass the boom and/or connector through the second channel as the boom moves downward;
When the boom is locked, the pad is moved to switch the boom from the second channel to the first channel.
The technical scheme provided by the application has the beneficial effects that:
The embodiment of the application provides an auxiliary device suitable for a perforating jack, wherein a cylinder structure is used for being installed on a box girder, a lower supporting piece is arranged in the cylinder structure, an upper supporting piece is arranged on the cylinder structure, and the upper supporting piece is positioned above the lower supporting piece; and a containing space for containing the penetrating jack is formed between the upper supporting piece and the lower supporting piece in the cylinder structure; the locking structure is matched with the supporting piece, so that when the hanging rod is lowered, the locking structure unlocks the hanging rod, and the penetrating jack is positioned in the accommodating space and is borne on the lower supporting piece; when the length of the hanging rod is not enough, the locking structure locks the hanging rod, the penetrating jack is moved upwards from the containing space to the upper supporting piece, the hanging rod to be lengthened passes through the penetrating jack, so that the connection of the hanging rod to be lengthened is in the containing space, and therefore, the connector when the hanging rod is connected is prevented from passing through the inside of the penetrating jack, and the bailey beam is enabled to be continuously lowered.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a cylindrical base according to an embodiment of the present application;
fig. 2 is an exploded view of a cylindrical base according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a cylindrical base provided by an embodiment of the present application when locking a boom;
FIG. 4 is a schematic view of the locking structure of FIG. 3 according to an embodiment of the present application;
FIG. 5 is a schematic view of a suspension lowering system with the bracket integrally removed according to an embodiment of the present application;
Fig. 6 is a schematic structural view of a shoulder pole beam frame according to an embodiment of the present application.
In the figure: 1. a cylinder structure; 100. a mounting groove; 110. an operation window; 120. an accommodating space; 2. a box girder; 3. an upper support; 300. supporting the work steel; 310. profiling stiffening plates; 320. a first hole; 4. a lower support; 400. c-shaped support cushion blocks; 410. a double-layer support plate; 5. a center-penetrating jack; 6. a locking structure; 600. a backing plate; 610. a first channel; 620. a second channel; 630. plugging pins; 7. a boom; 8. a connector; 9. reinforcing the support; 10. a bottom plate; 11. a shoulder pole beam frame; 12. a force-bearing plate; 13. stiffening plates; 14. a lock nut; 15. a baffle; 16. and a second hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides an auxiliary device suitable for a penetrating jack and a using method thereof, which can solve the problem that a connector 8 at a position of a boom 7 after lengthening cannot penetrate through the penetrating jack 5 in the related art, and the integral lowering of a bailey beam in a combined bracket is affected.
Referring to fig. 1-4, an auxiliary device suitable for a jack comprises a cylinder structure 1, a lower support member 4, an upper support member 3 and a locking structure 6, wherein two ends of the cylinder structure 1 are opened and are used for being installed at the top of a box girder 2 and are positioned at the position of a reserved hole of the box girder 2;
The lower support 4 is arranged in the cylinder structure 1, the upper support 3 is arranged at the top of the cylinder structure 1, the lower support 4 is positioned at the bottom of the upper support 3, an accommodating space 120 for accommodating the penetrating jack 5 is formed between the upper support 3 and the lower support 4 in the cylinder structure 1, and the lower support 4 and the upper support 3 are respectively provided with a first hole 320 for the hanging rod 7 to penetrate; a locking structure 6 is provided in the barrel structure 1 for locking or unlocking the boom 7.
The device has the following two conditions when in use, and is specifically:
When the boom 7 is lowered, the locking structure 6 unlocks the boom 7, the penetrating jack 5 is located in the accommodating space 120 and is borne on the lower supporting piece 4, and the top of the penetrating jack 5 is connected with the boom 7 through the connecting nut, so that the penetrating jack 5 drives the boom 7 to be lowered.
When the boom 7 is lowered to the lengthening position, the lengthening position is a position where the length of the boom 7 is insufficient, and when the bailey beam connected with the boom 7 cannot be lowered to the ground continuously, the top end of the boom 7 is close to the top of the penetrating jack 5; at this time, the locking structure 6 locks the boom 7, so that the boom 7 is difficult to descend, the penetrating jack 5 is separated from the boom 7, the penetrating jack 5 is connected with the upper supporting member 3, the upper supporting member 3 bears the penetrating jack 5, the boom 7 to be lengthened is put in from the top of the penetrating jack 5, and the boom 7 to be locked is connected in the accommodating space 120 through the connector 8, so that lengthening is completed. The boom 7 is a finish-rolled threaded boom.
Through the above structure setting to make the connector 8 when jib 7 lengthening avoid the heart jack 5, make it can not follow the inside of heart jack 5 and pass through, can not influence the whole of bailey roof beam and descend.
As shown in fig. 4, in some preferred embodiments, for facilitating the passage of the locking boom 7 and the mating extension post connector 8, the following arrangements are provided for the locking structure 6, specifically:
The locking structure 6 comprises a backing plate 600, a first channel 610 and a second channel 620, wherein the backing plate 600 is arranged in the cylinder structure 1, is positioned below the lower support piece 4 and is contacted with the top of the box girder 2; the first passage 610 and the second passage 620 are provided on the pad 600 and communicate with each other so that the boom 7 can be switched between the first passage 610 and the second passage 620; the first passage 610 has a caliber larger than the outer diameter of the boom 7, smaller than the outer diameter of the connector 8 for lengthening the boom 7, and the second passage 620 has a caliber larger than the outer diameter of the connector 8.
With the arrangement of the above structure, when the boom 7 is lowered, the boom 7 and the connector 8 pass through the second passage 620, and when locked, the lock nut 14 on the boom 7 and the connector 8 do not pass through the first passage 610 due to the limitation of the size, thereby realizing the locking of the boom 7 and facilitating the passage of the boom 7 and the connector 8 after lengthening.
Further, the locking structure 6 further includes a blocking pin 630 detachably mounted on the pad 600, through two bolts penetrating through the pad 600, so as to detachably connect with the pad 600, and block the second channel 620, so that the pad 600 will not deviate during the lowering process when the boom 7 is not lengthened, and the switching from the first channel 610 to the second channel 620 is avoided.
As shown in fig. 1 and 2, in some preferred embodiments, a mounting groove 100 is provided on the barrel structure 1 in order to facilitate mounting of the upper support member 3 and to secure its stability for mounting on top of the barrel structure 1.
Further, the reinforcing brackets 9 for supporting the two ends of the upper supporting piece 3 are vertically arranged on the cylinder wall of the cylinder structure 1, the reinforcing brackets 9 are two pieces of H20 section steel with the length of 2m, and the whole stress and the structural stability of the auxiliary device are enhanced.
Further, the upper supporting piece 3 adopts a double-splicing tool 45b as a supporting tool steel 300, the length of the tool 45b is 80cm, and the center position is cutThe round hole of the plate is the first hole 320, 6 profiling stiffening plates 310 with the thickness of 20mm are added in the middle stress area, and profiling cutting is adopted for the profiling stiffening plates 310.
As shown in fig. 1 and 2, in some preferred embodiments, an operation window 110 is formed in the wall of the bottom of the barrel structure 1 to facilitate the operation of the locking structure 6.
As shown in fig. 1 and 2, in some preferred embodiments, the accommodating space 120 further includes a groove formed on the cylinder structure 1, where the groove is formed to facilitate the installation of the penetrating jack 5 and the placement of the oil line of the penetrating jack 5, and may also facilitate the lengthening and observation.
As shown in fig. 1 and 2, in some preferred embodiments, the bottom of the cylinder structure 1 is provided with a bottom plate 10, the bottom plate 10 is provided with a second hole 16 for passing through the hanging rod 7, the bottom plate 10 increases the contact area with the box girder 2 on one hand, so that the bottom plate is in uniform contact with dry sand uniformly paved around the reserved hole of the box girder 2, and on the other hand, the auxiliary device plays roles of supporting and stress conversion, so that the auxiliary device must bear corresponding load, and meanwhile, the integral performance is required to be strong, and the upper surface and the lower surface are required to be flat, so that the stress of the penetrating jack 5 is uniform and stable.
As shown in fig. 1 and 2, in some preferred embodiments, the lower support 4 includes a C-shaped support block 400 and a double-layered support plate 410;
The C-shaped supporting pad 400 comprises a plurality of i-beams, wherein the plurality of i-beams are spliced in a C-shape, and a space convenient for the movement of the pad 600 is formed by the spliced C-shape; the double-layer support plate 410 is welded on the top of the C-shaped support cushion block 400 and integrally welded with the cylinder structure 1, and the first hole 320 is arranged on the double-layer support plate 410
I-steel is I-steel 16, double-layer support disc 410 is two groups of discs, and the disc below adoptsThe steel plate of the steel plate is integrally welded with the cylinder structure 1, and the upper disc is/>The upper and lower disks are concentrically welded and the center positions are cut/>So that the connector 8 and the lock nut 14 can pass smoothly.
It should be appreciated that the diameters of the second hole 16 and the first hole 320 are larger than the outer diameters of the connector 8 and the lock nut 14, the diameter of the second passage 620 is larger than the outer diameters of the connector 8 and the lock nut 14, and the diameter of the first passage 610 is smaller than the outer diameter of the lock nut 14, so that the lock nut 14 cooperates with the backing plate 600 to lock the hanger rod 7 when locked, and the hanger rod 7 is prevented from moving downwards.
As shown in fig. 4-6, there is also provided a method of using an auxiliary device adapted for use with a jack, comprising the steps of:
The center jack 5 is placed in the accommodating space 120 and is arranged on the lower support piece 4;
The top of the penetrating jack 5 is connected with the suspender 7 through a connecting nut, and the locking of the suspender 7 is released, namely, a locking nut 14 on the suspender 7 is separated from a base plate 600, and the penetrating jack 5 drives the suspender 7 to descend until the suspender 7 descends to a lengthening position;
The boom 7 is locked by the locking structure 6, the connection between the penetrating jack 5 and the boom 7 is released, and the upper supporting piece 3 is removed, so that the penetrating jack 5 moves upwards;
Reinstalling the upper support 3 on the tubular structure 1 and connecting it with the perforating jack 5;
The boom 7 to be lengthened passes through the top of the penetrating jack 5, and the boom 7 to be lengthened is connected with the locked boom 7 by using the connector 8 in the accommodating space 120 to complete the lengthening.
Through the steps, the extension of the suspender 7 is prevented from passing through the center-through jack 5 and is carried out by matching with the locking structure 6, the extension operation step is simple, the construction efficiency is improved, the construction cost is relatively low, and the extension device is suitable for the integral lowering of the bailey beam in a high pier region.
Further, when the boom 7 is moved down, the blocking pin 630 is removed and the shim plate 600 is moved to pass the boom 7 and/or the connector 8 through the second channel 620.
When it is desired to lock the boom 7, the pallet 600 is moved, the boom 7 is switched from the second channel 620 to the first channel 610, and the blocking pin 630 is installed, and then the lock nut 14 on the boom 7 is tightened to contact the pallet 600.
Through the simple structure of locking structure 6, lock jib 7, guarantee stability and the safety of construction when having simplified the operation step.
As shown in fig. 4 to 6, a construction method for integrally dismantling a bracket is characterized by comprising the following steps:
Providing at least four auxiliary devices suitable for the perforating jacks, installing the auxiliary devices at the positions of the reserved holes at the top of the box girder 2, and paving dry sand at the top of the box girder 2, so that two auxiliary devices provided with the perforating jacks 5 are arranged at two ends of the box girder 2;
The lower end of the suspender 7 passes through the box girder 2 and the bailey girder and is connected with a shoulder pole girder frame 11 positioned at the bottom of the bailey girder; the upper end is penetrated with an auxiliary device and is connected with the penetrating jack 5 to form a suspension lowering system which ensures that the bailey beam is lowered synchronously;
after lifting the whole bailey beam by 10cm by utilizing a suspension lowering system, dismantling the steel pipe upright post, and then lowering the bailey beam;
When the bailey beam is lowered to the extension position of the suspender 7, the bailey beam bracket is continuously lowered as a whole until the top end of the suspender 7 is 25cm away from the top of the penetrating jack 5, and the 25cm is the height of two double nuts, which means that the suspender 7 cannot continuously move downwards; then, the boom 7 is locked by the locking structure 6, the center-penetrating jack 5 is lifted and moved upwards and is arranged on the upper supporting piece 3;
Lengthening the boom 7;
The locking of the boom 7 is released and the boom 7 is continuously lowered by the penetrating jack 5 until the bailey beam is lowered to the ground.
Through the steps, the problems that when the high pier area bailey beam bracket is integrally lowered, the bailey beam bracket is difficult to synchronously lower and the suspender is lengthened and cannot pass through the penetrating jack 5 are solved, so that the bracket dismantling time is greatly shortened, and the problem of finish rolling deformed steel bar butt joint caused by the high pier bracket dismantling work is reduced; the advantages of timeliness, economy, expansibility and the like of the application of the integral lowering device of the bailey beam bracket in the high pier area are more in line with the requirements of standardized construction.
Further, the bailey beam is lowered by using the suspension lowering system, comprising the following steps:
The oil cylinder of the center-penetrating jack 5 is lifted and then connected with the boom 7;
the cylinder of the penetrating jack 5 is utilized to move downwards so as to drive the bailey beam on the shoulder pole beam frame 11 connected with the suspender 7 to move downwards;
After the penetrating jack 5 is lowered for one oil cylinder stroke, the boom 7 is locked, and the connection between the penetrating jack 5 and the boom 7 is released:
The oil cylinder is lifted to the initial lifting position, and the center-through jack 5 is connected with the boom 7 again; then moving down the bailey beam again;
repeating the steps to finish the lowering of the bailey beam.
In some preferred embodiments, since the shoulder pole beam frame 11 is a main stress member, the shoulder pole beam frame 11 is reliable and stable to manufacture, and the connection between the bottom and the hanger rod 7 needs to be firmly connected, so that the stress plate 12 is added, and the stiffening plate 13 is vertically added. The length of the shoulder pole beam frame 11 is larger than the transverse bridge width of the Bailey beam, and baffle plates 15 are arranged on two sides of the shoulder pole beam frame 11 to prevent the Bailey beam system from slipping after instability.
In the above steps, it should be noted that: when the boom 7 is lengthened, the connector 8 is firstly marked on the boom 7 to be connected when being installed, so that the connector 8 is centered; because the soil is soft and is not enough to bear the weight of the bailey beam support, soft soil supporting the falling area of the bailey beam is replaced and filled so as to prevent the bailey beam from falling and turning on one's side after falling to the ground. The suspender 7 is kept concentric with the center-through jack 5, the simple beam preformed hole and the auxiliary device as much as possible, so as to avoid instability caused by eccentricity.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An auxiliary device suitable for a perforating jack, characterized in that it comprises:
a cylinder structure (1) for mounting on a box girder (2);
A lower support (4) provided within the cylinder structure (1);
An upper support (3) arranged on the cylinder structure (1), wherein the upper support (3) is positioned above the lower support (4); and a containing space (120) for containing the penetrating jack (5) is formed between the upper supporting piece (3) and the lower supporting piece (4) in the cylinder structure (1); the upper support (3) and the lower support (4) are respectively provided with a first hole (320) for the hanging rod (7) to pass through;
-a locking structure (6) for locking or unlocking the boom (7);
When the suspender (7) is lowered, the locking structure (6) unlocks the suspender (7), and the penetrating jack (5) is positioned in the accommodating space (120) and is borne on the lower support (4); when the boom (7) is lengthened, the locking structure (6) locks the boom (7), and the penetrating jack (5) is borne on the upper supporting piece (3) and lengthened in the accommodating space (120).
2. Auxiliary device for a jack-through according to claim 1, characterized in that said locking structure (6) comprises:
A backing plate (600) arranged inside the cylinder structure (1) and below the lower support (4); the base plate (600) is provided with a first channel (610) and a second channel (620) which are communicated with each other, so that the suspender (7) is switched between the first channel (610) and the second channel (620); the first channel (610) has a caliber greater than the outer diameter of the boom (7), less than the outer diameter of the connector (8) for lengthening the boom (7), and the second channel (620) has a caliber greater than the outer diameter of the connector (8).
3. Auxiliary device for a jack-through according to claim 2, characterized in that said locking structure (6) further comprises: -a blocking pin (630), said blocking pin (630) being removably mounted on said backing plate (600) to block said second channel (620).
4. Auxiliary device for a perforating jack as claimed in claim 1, characterized in that: the top of the cylinder structure (1) is provided with a mounting groove (100) for mounting the upper supporting piece (3).
5. Auxiliary device for a perforating jack as claimed in claim 1, characterized in that: an operation window (110) is arranged at the bottom of the cylinder structure (1).
6. Auxiliary device for a perforating jack as claimed in claim 1, characterized in that: the cylinder wall of the cylinder structure (1) is vertically provided with a reinforcing bracket (9) for supporting the upper supporting piece (3).
7. Auxiliary device for a jack-through according to any one of claims 1-6, characterized in that; the novel lifting device is characterized by further comprising a bottom plate (10) arranged at the bottom of the barrel structure (1), wherein a second hole (16) for passing through the lifting rod (7) is formed in the bottom plate (10).
8. Auxiliary device for a jack-through according to claim 1, characterized in that said lower support (4) comprises:
the C-shaped support cushion block (400) comprises a plurality of I-shaped steels, and the I-shaped steels are spliced in a C-shaped mode;
the double-layer support disc (410) is arranged at the top of the C-shaped support cushion block (400), and the first hole (320) is formed in the double-layer support disc (410).
9. A method of using an auxiliary device for a jack as claimed in claim 1, comprising the steps of:
putting a penetrating jack (5) into the accommodating space (120) and mounting the penetrating jack on the lower support (4);
connecting the penetrating jack (5) with the hanging rod (7) and unlocking the hanging rod (7) to drive the hanging rod (7) to be lowered until the hanging rod (7) is lowered to the lengthening position;
Locking the suspender (7) and releasing the connection between the penetrating jack (5) and the suspender (7);
moving the penetrating jack (5) and being mounted on the upper support (3);
The boom (7) to be lengthened passes through the top of the perforating jack (5) and is lengthened in the accommodating space (120).
10. A method of using an auxiliary device for a jack as claimed in claim 9, wherein:
The locking structure (6) comprises a backing plate (600) arranged in the cylinder structure (1) and below the lower support (4); the base plate (600) is provided with a first channel (610) and a second channel (620) which are communicated with each other; the caliber of the first channel (610) is larger than the outer diameter of the suspender (7), smaller than the outer diameter of a connector (8) for lengthening the suspender (7), and the caliber of the second channel (620) is larger than the outer diameter of the connector (8);
moving the shim plate (600) to pass the boom (7) and/or connector (8) through the second channel (620) when the boom (7) moves down;
when the boom (7) is locked, the pad (600) is moved, switching the boom (7) from the second channel (620) to the first channel (610).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110413895.1A CN113184744B (en) | 2021-04-16 | 2021-04-16 | Auxiliary device suitable for center-penetrating jack and application method thereof |
Applications Claiming Priority (1)
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