CN218031750U - Push pipe folded cascade ejector beam device - Google Patents
Push pipe folded cascade ejector beam device Download PDFInfo
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- CN218031750U CN218031750U CN202222501045.XU CN202222501045U CN218031750U CN 218031750 U CN218031750 U CN 218031750U CN 202222501045 U CN202222501045 U CN 202222501045U CN 218031750 U CN218031750 U CN 218031750U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 336
- 229910052742 iron Inorganic materials 0.000 claims abstract description 166
- 238000010276 construction Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 235000000396 iron Nutrition 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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Abstract
The utility model discloses a pipe-jacking foldable iron jacking device, which comprises an arc-shaped iron jacking, a first U-shaped iron jacking top plate and at least one group of telescopic mechanisms, wherein the arc-shaped iron jacking, the first U-shaped iron jacking top plate and the at least one group of telescopic mechanisms are arranged on a pipe-jacking guide rail and are sequentially connected along the horizontal direction; each group of telescopic mechanisms consists of a top iron rotating plate group and a second U-shaped top iron top plate; the arc top iron is an arc body with a downward opening; the top iron rotating plate group comprises four rotating plates which are divided into two groups, and the two rotating plates in each group are vertically arranged and spliced into a combined flat plate; the two combined flat plates are symmetrically and parallelly arranged; the outer side plate surface of the combined flat plate is provided with a rotating plate fixing component and a handle group; two track grooves are symmetrically arranged on two sides of the top of the groove arranged in the middle of the pipe jacking guide rail, so that the arc-shaped jacking iron and the U-shaped jacking iron top plate are arranged in the track grooves in a sliding manner through the bottom sliding wheels; the device is scalable in length and adjustable in telescopic length, does not influence the lifting of the jacking pipe, provides enough jacking distance after expansion, improves the jacking pipe construction efficiency, and is low in cost, high in safety and easy to operate.
Description
Technical Field
The utility model relates to a municipal construction technical field, in particular to top pipe folded cascade pushes up indisputable device.
Background
The pipe jacking technology is a trenchless tunneling type pipeline laying construction technology used for municipal construction. The method has the advantages of strong adaptability, direct deep underground operation without excavating the ground, small influence on the surrounding environment and the like, and is widely applied to municipal engineering in recent years. With the continuous updating and upgrading of pipe jacking equipment and the continuous maturity of construction technology, the pipe jacking technology plays an important role in crossing urban roads, buildings, railways, rivers and lakes.
On the other hand, the diameter of the pipeline used by the jacking pipe is larger and larger, the length of a single pipeline is longer and longer, the stroke of a hydraulic oil cylinder serving as a main jacking device is limited, the pipeline cannot be jacked to a required position at a time, and a jacking iron device needs to be additionally arranged between the hydraulic oil cylinder and the pipeline to transfer jacking force and increase jacking stroke. And because the space between the hydraulic oil cylinder and the pipeline is limited, the jacking iron needs to be lifted away when the jacking pipe pipeline is lifted, and after the hydraulic oil cylinder reaches the maximum stroke, the jacking iron is lifted back to the track to increase the stroke, so that the repeated lifting away and lifting back of the jacking iron greatly wastes equipment resources, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have concurrently that the top iron is in fold condition in order to practice thrift the space when the pipeline is hung and is put to and the top iron is in the push pipe folded cascade top iron device of open mode in order to increase the stroke when the pipeline carries out the process into.
Therefore, the utility model discloses technical scheme as follows:
a push pipe foldable iron jacking device comprises arc-shaped jacking irons, a first U-shaped jacking iron top plate and at least one group of telescopic mechanisms, wherein the arc-shaped jacking irons, the first U-shaped jacking iron top plate and the at least one group of telescopic mechanisms are coaxially arranged on a push pipe guide rail along the horizontal direction; each group of telescopic mechanisms consists of a top iron rotating plate group and a second U-shaped top iron top plate; wherein,
the arc-shaped jacking iron is an arc-shaped body with a downward opening, and the outer diameter and the inner diameter of the arc-shaped jacking iron are respectively matched with the outer diameter and the inner diameter of the jacking pipe, so that the front end face of the arc-shaped jacking iron can be abutted against the rear end face of the jacking pipe;
the first U-shaped top iron top plate is a U-shaped plate body formed by sequentially connecting and fixing a first vertical plate, a transverse plate and a second vertical plate, and is fixed with the arc-shaped top iron into a whole;
the top iron rotating plate group comprises four rotating plates; the four rotating plates are divided into two groups, and the two rotating plates in each group are vertically arranged and are spliced into a combined flat plate along the horizontal direction; the two combined flat plates are symmetrically and parallelly arranged; at least two rotating plate fixing assemblies and at least one handle group are respectively arranged on the outer side plate surface of each combined flat plate and close to the splicing position of the two rotating plates at intervals; the rotating plate fixing assembly consists of a fixing steel bar and two groove bodies capable of being internally provided with the fixing steel bar; the two groove bodies are symmetrically arranged on the two rotating plates, the fixed steel bar is arranged in a groove which is formed by enclosing the two groove bodies and the combined flat plate and provided with an opening at the top end, so that the two rotating plates are temporarily connected and fixed into a whole by arranging the fixed steel bar in the groove; the handle group consists of two U-shaped handles which are symmetrically fixed on the two rotating plates in a horizontal arrangement mode;
the second U-shaped top iron top plate and the first U-shaped top iron top plate have the same structure and are symmetrically arranged at two sides of the top iron rotating plate group in a mutually parallel mode; the front ends and the rear ends of the two combined flat plates are respectively hinged on the first U-shaped top iron top plate and the second U-shaped top iron top plate through rotary connecting pieces;
the pipe jacking guide rail is of a frame body structure, the middle part of the pipe jacking guide rail is provided with a groove along the axis direction, and two rail grooves extending along the length direction of the frame body are symmetrically arranged at the positions of two sides of the top of the frame body; correspondingly, at least one sliding wheel is arranged at the edge of the two sides of the bottoms of the arc-shaped top iron, the first U-shaped top iron top plate and the second U-shaped top iron top plate, so that the three can slide in the two track grooves respectively through the sliding wheels at the bottoms of the two sides, and the three can slide in the two track grooves in a reciprocating manner along the length direction of the top pipe guide rail.
Furthermore, the arc top iron is of an arc structure formed by an arc top plate and arc side plates symmetrically fixed on two sides of the arc top plate, a plurality of rectangular short plates are fixed on the bottom surface of the arc top plate at intervals, each rectangular short plate is welded and fixed on the arc top plate in a mode perpendicular to the bottom surface of the arc top plate, and two side edges of each rectangular short plate are welded and fixed on the inner side plate surface of the arc side plate.
Furthermore, two symmetrical positions on the two sides of the top of the arc-shaped top iron are respectively provided with a top iron lifting lug; a first lifting lug is arranged in the middle of the end surfaces of the top ends of a first vertical plate and a second vertical plate of the first U-shaped top iron top plate; and second lifting lugs are arranged in the middle of the end faces of the top ends of the first vertical plate and the second vertical plate of the second U-shaped top iron top plate, and the axis direction of each second lifting lug is perpendicular to the surface of the second U-shaped top iron top plate.
Further, the length of each rotating plate in the horizontal direction is 0.5 to 1m.
Furthermore, a plurality of reinforcing rib plate groups are uniformly distributed and fixed on the whole inner side plate surface of each combined flat plate.
Furthermore, two vertex angles at the front ends of the two combined flat plates are respectively provided with a rotary connecting piece so as to be respectively in hinged connection with two vertical plates in the first U-shaped top iron top plate, and two vertex angles at the rear ends of the two combined flat plates are respectively provided with a rotary connecting piece so as to be respectively in hinged connection with two vertical plates in the second U-shaped top iron top plate; the rotary connecting piece is composed of a rotary shaft and a fixed block, the fixed block is fixed on the vertical plate, a rotary shaft inserting hole is formed in the fixed block along the axial direction, the rotary shaft is inserted in the rotary shaft inserting hole, and the bottom end of the rotary shaft is fixed on the top surface of the combined flat plate.
Further, the length of the push pipe guide rail is slightly greater than the sum of the lengths of the push pipe and the push pipe foldable iron jacking device in the minimum length state; the size of the groove is matched with that of the jacking pipe, so that the jacking pipe can be uniformly distributed in the groove in a horizontal arrangement mode.
Furthermore, the top pipe guide rail is composed of a strip-shaped bottom plate, a plurality of top pipe supporting frames and two rail grooves; the strip-shaped bottom plate is horizontally arranged on the pipe jacking construction ground, and the length direction of the strip-shaped bottom plate is consistent with the movement direction of the pipe jacking oil cylinder; the plurality of top pipe supporting frames are uniformly distributed along the length direction of the strip-shaped bottom plate and are fixed on the strip-shaped bottom plate at intervals; the pipe jacking support frame consists of a horizontal rod and two V-shaped folding rods, the two V-shaped folding rods are arranged in an inverted manner and are symmetrically arranged at two ends of the horizontal rod, the end part of one rod body forming the V-shaped folding rod is welded and fixed at the rod end of the horizontal rod, and the other rod body is supported on a pipe jacking construction ground; the two track grooves are two grooves with the groove width matched with the size of the sliding wheel, and the two track grooves are respectively horizontally arranged and fixed on the end surfaces of the top ends of the two inverted V-shaped folding rods along the length direction of the strip-shaped bottom plate.
Compared with the prior art, the push pipe foldable iron jacking device has the structural characteristics of telescopic length and adjustable length, the occupied space is small in folded state, the lifting and placing of a push pipe pipeline are not influenced, the jacking distance can be increased adjustably after the push pipe is unfolded so as to meet the requirement of jacking the push pipe to any appropriate position, the push pipe jacking device does not need to be repeatedly lifted away and lifted back in the whole push pipe construction process, the push pipe efficiency is greatly improved, and the push pipe foldable iron jacking device is low in cost, high in safety and easy to operate.
Drawings
Fig. 1 is a schematic structural view of the pipe-jacking foldable iron jacking device of the utility model;
FIG. 2 is a schematic diagram of a state before a new section of pipe jacking construction is carried out by adopting the pipe jacking foldable iron jacking device of the utility model;
FIG. 3 is a schematic diagram showing a state of lifting a second pipe during construction by using the foldable iron jacking device of the utility model;
FIG. 4 is a schematic diagram of a first jacking state when the pipe jacking foldable iron jacking device of the utility model is used for construction;
FIG. 5 is a schematic diagram showing the opened state of the pipe after the pipe is pushed by the foldable top iron device for pipe pushing of the present invention;
FIG. 6 is a schematic diagram of a second jacking state when the pipe jacking foldable iron jacking device of the utility model is used for construction;
figure 7 is the state schematic diagram of third jacking during the construction of the jacking pipe foldable iron jacking device of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the following embodiments are by no means limiting to the present invention.
As shown in fig. 1, the pipe-jacking foldable iron jacking device comprises an arc-shaped iron jacking 1, a first U-shaped iron jacking top plate 3, an iron jacking rotating plate group 5 and a second U-shaped iron jacking top plate 2 which are coaxially arranged on a pipe-jacking guide rail 14 along the horizontal direction in sequence; wherein,
the arc-shaped top iron 1 is an arc-shaped body with a downward opening, and the outer diameter and the inner diameter of the arc-shaped top iron are respectively matched with the outer diameter and the inner diameter of the top pipe, so that when the arc-shaped top iron is used, the front end face of the arc-shaped top iron 1 is abutted against the rear end face of the top pipe, and the top pipe is pushed to move towards the front top end; in this embodiment, the arc-shaped top iron 1 has an arc-shaped structure formed by an arc-shaped top plate and arc-shaped side plates symmetrically fixed on both sides of the arc-shaped top plate, and a plurality of rectangular short plates are fixed on the bottom surface of the arc-shaped top plate at intervals, each rectangular short plate is welded and fixed on the arc-shaped top plate in a manner of being perpendicular to the bottom surface of the arc-shaped top plate, and both side edges of the rectangular short plate are welded and fixed on the inner side plate surfaces of the arc-shaped side plates; in order to facilitate the integral hoisting and transportation of the device, two symmetrical positions on two sides of the top of the arc-shaped top iron 1 are respectively provided with a top iron lifting lug;
the first U-shaped top iron top plate 3 and the second U-shaped top iron top plate 2 are both U-shaped plate bodies formed by sequentially connecting and fixing a first vertical plate, a transverse plate and a second vertical plate, and are arranged in parallel; the front end plate surface of the first U-shaped top iron top plate 3 is welded and fixed on the rear end surface of the arc-shaped top iron 1;
in order to facilitate the integral hoisting and transportation of the device, a first lifting lug 3a is arranged in the middle of the end surfaces of the top ends of a first vertical plate and a second vertical plate of the first U-shaped top iron top plate 3, and the axial direction of the first lifting lug 3a is vertical to the plate surface of the first U-shaped top iron top plate 3; a second lifting lug 2a is arranged in the middle of the end faces of the top ends of the first vertical plate and the second vertical plate of the second U-shaped top iron top plate 2, and the axial direction of the second lifting lug 2a is perpendicular to the plate surface of the second U-shaped top iron top plate 2;
the top iron rotating plate group 5 is composed of four rotating plates; the four rotating plates are divided into two groups, and the two rotating plates in each group are vertically arranged and are spliced into a combined flat plate along the horizontal direction; the two combined flat plates are symmetrically and parallelly arranged; wherein, the length of each rotating plate in the horizontal direction is 0.5 to 1m;
a first rotating plate fixing component 7, a first handle group 8, a second handle group and a second rotating plate fixing component 9 are sequentially arranged on the outer side plate surface of each combined flat plate and close to the splicing position of the two rotating plates from top to bottom; specifically, the first rotating plate fixing assembly 7 and the second rotating plate fixing assembly 9 are both composed of a fixing steel bar and two groove bodies capable of being internally provided with the fixing steel bar; the two groove bodies are symmetrically arranged on the two rotating plates, the fixed steel bar is arranged in a groove which is formed by enclosing the two groove bodies and the combined flat plate and provided with an opening at the top end, so that the two rotating plates are temporarily connected and fixed into a whole by arranging the fixed steel bar in the groove; in this embodiment, the tank body is composed of a horizontal plate fixed on the combined flat plate and two vertical plates which are vertically arranged and fixed; the two vertical plates are fixed on the horizontal plate far away from the splicing position of the two rotating plates, so that the two vertical plates and the combined flat plate form a top, and one end of the combined flat plate close to the splicing position of the rotating plates is provided with an open groove structure; the first handle group 8 and the second handle group are both formed by two U-shaped handles; in each handle group, two U-shaped handles are symmetrically fixed on the two rotating plates in a horizontal arrangement mode;
a plurality of reinforcing rib plate groups 10 are uniformly distributed and fixed on the whole inner side plate surface of each combined flat plate so as to increase the anti-extrusion strength of the combined flat plate; in this embodiment, the stiffener group 10 is composed of a rectangular frame formed by sequentially connecting four steel rods end to end, and two steel rods fixed at four inner top corners of the rectangular frame in a crossed manner; a plurality of reinforcing rib plate groups 10 are sequentially and tightly arranged and fixed on the whole inner side plate surface of the combined flat plate;
two vertex angles at the front ends of the two combined flat plates are respectively provided with a rotary connecting piece so that the two rotary connecting pieces are respectively in hinged connection with two vertical plates in the first U-shaped iron jacking plate 3, and two vertex angles at the rear ends of the two combined flat plates are respectively provided with a rotary connecting piece so that the two rotary connecting pieces are respectively in hinged connection with two vertical plates in the second U-shaped iron jacking plate 2; the rotary connecting piece is composed of a rotary shaft 6 and a fixed block, the fixed block is fixed on the vertical plate, a rotary shaft inserting hole is formed in the fixed block along the axial direction, the rotary shaft 6 is inserted into the rotary shaft inserting hole, and the bottom end of the rotary shaft 6 is fixed on the top surface of the combined flat plate; when the fixed steel bars in the rotating plate fixing assemblies 7 on the combined flat plate are taken out, the two rotating plates can rotate by 90 degrees through the connecting piece until the two rotating plates are parallel to the plate surface of the U-shaped top iron top plate, at the moment, the second U-shaped top iron top plate 2 moves towards the first U-shaped top iron top plate 3, and the top iron rotating plate group 5 is in a folded state;
the pipe jacking guide rail 14 is a frame body structure with a groove in the middle part along the axis direction, and two rail grooves extending along the length direction of the frame body are symmetrically arranged at the positions of two sides of the top of the frame body; correspondingly, sliding wheels 4 are arranged at the edges of the two sides of the bottoms of the arc-shaped top iron 1, the first U-shaped top iron top plate 3 and the second U-shaped top iron top plate 2, so that the arc-shaped top iron, the first U-shaped top iron top plate and the second U-shaped top iron top plate are arranged in the two track grooves through the sliding wheels at the bottoms of the two sides and can slide in the two track grooves in a reciprocating manner along the length direction of the top pipe guide rail 14; the size of the grooves is matched with that of the jacking pipes, so that the jacking pipes can be uniformly distributed and placed in the grooves in a horizontal arrangement mode; the length of the push pipe guide rail 14 is slightly greater than the sum of the lengths of the push pipe and the push pipe foldable iron jacking device in the minimum length state;
in this embodiment, the top pipe guide 14 is composed of a strip bottom plate 14a, a plurality of top pipe supporting frames 14b and two rail grooves 14 c; wherein, the strip-shaped bottom plate 14a is horizontally arranged on the pipe-jacking construction ground, and the length direction thereof is consistent with the movement direction of the pipe-jacking oil cylinder 16; the plurality of top pipe support frames 14b are uniformly distributed along the length direction of the strip-shaped bottom plate 14a and are fixed on the strip-shaped bottom plate 14a at intervals; the top pipe support frame 14b is composed of a horizontal rod and two V-shaped folding rods, the two V-shaped folding rods are arranged in an inverted manner and symmetrically arranged at two ends of the horizontal rod, the end part of one rod body forming the V-shaped folding rods is welded and fixed at the rod end of the horizontal rod, and the other rod body is supported on a top pipe construction ground; the sizes of the horizontal rod and the two V-shaped folding rods meet the condition that a trapezoidal groove formed by the horizontal rod and the two V-shaped folding rods is externally tangent to the outer wall of the top pipe; the two track grooves 14c are two grooves with the groove width matched with the size of the sliding wheel 4, and the two track grooves are respectively horizontally arranged and fixed on the end surfaces of the top ends of the two inverted V-shaped folding rods along the length direction of the strip-shaped bottom plate 14 a.
Example 2
Referring to fig. 2, the pipe-jacking foldable iron jacking device 11 comprises an arc-shaped jacking iron, a first U-shaped jacking iron top plate, a first jacking iron rotating plate group, a second U-shaped jacking iron top plate, a second jacking iron rotating plate group and a third U-shaped jacking iron top plate which are coaxially arranged on a pipe-jacking guide rail 14 along the horizontal direction in sequence; wherein the structure of the arc-shaped top iron 1 is the same as that of the arc-shaped top iron in the embodiment 1; the structures of the first U-shaped top iron top plate, the second U-shaped top iron top plate and the third U-shaped top iron top plate are the same as those of the U-shaped top iron top plate in the embodiment 1; the structures of the first top iron rotating plate group and the second top iron rotating plate group are the same as those of the top iron rotating plate group in the embodiment 1; the two sides of the first iron jacking rotating plate group are respectively hinged between the first U-shaped iron jacking top plate and the second U-shaped iron jacking top plate, and the two sides of the second iron jacking rotating plate group are respectively hinged between the second U-shaped iron jacking top plate and the third U-shaped iron jacking top plate. The difference from the embodiment 1 is that in the embodiment 2, a second top iron rotating plate group and a third U-shaped top iron top plate are additionally arranged at the rear end of the second U-shaped top iron top plate, so that the requirement of larger length expansion is met.
Example 3
As shown in fig. 2 to 7, a concrete process flow of pipe jacking construction implemented based on the pipe jacking foldable iron jacking device of embodiment 2 is as follows:
s1, referring to FIG. 2, after a pipe jacking rear backrest 15, an oil cylinder support 17, a pipe jacking oil cylinder 16 and a pipe jacking guide rail 14 are installed in a construction site, pipe jacking construction is started, and a pipe jacking foldable iron jacking device 11 is hoisted and placed onto a pipe jacking rail 14 through two first lifting lugs 3a, two second lifting lugs 2a and two iron jacking lifting lugs; in an initial state, the pipe-jacking oil cylinder 16 is in a retraction state, and the two combined flat plates on the pipe-jacking foldable iron jacking device 11 are in a folding state and are positioned on the adjacent side of the pipe-jacking oil cylinder 16;
s2, referring to the figures 3 and 4, hoisting and placing the second jacking pipe 18 onto the jacking pipe guide rail 14, starting the jacking pipe oil cylinder 16 to jack the second jacking pipe through the jacking pipe foldable jacking iron device 11 until the arc-shaped jacking iron 1 of the jacking pipe foldable jacking iron device 11 abuts against the tail end of the second jacking pipe 18, jacking the second jacking pipe 18 into the jacking pipe hoop 13 at the tail end of the first jacking pipe 12, and then continuing jacking the second jacking pipe 18 into the hole;
s3, referring to the drawings of 5 and 6, after the pipe jacking oil cylinder 16 reaches a stroke, the pipe jacking oil cylinder 16 is restored to a retraction state, at the moment, the pipe jacking foldable iron jacking device 11 slides to a rear position with a certain distance through the pipe jacking guide rail 14, the first handle group 8 and the second handle group of the first iron jacking rotating plate group pull the moving plates on two sides to rotate outwards by 90 degrees until the moving plates are parallel to the axis direction of the pipe jacking guide rail 14, two fixed steel bars are respectively placed in the first rotating plate fixing component 7 and the second rotating plate fixing component 9, and the positions of the two rotating plates on the same side are temporarily fixed; at this time, the length of the top pipe foldable iron jacking device 11 is increased; starting the pipe jacking oil cylinder 16 to enable the pipe jacking oil cylinder to continuously jack a second pipe jacking 18 through the pipe jacking foldable iron jacking device 11;
s4, referring to FIG. 7, after the pipe jacking oil cylinder 16 reaches the stroke again, the pipe jacking oil cylinder 16 returns to the retraction state, at this time, the step S3 is repeated to unfold the second top iron rotating plate group to the maximum length state, and then the second top pipe 18 is continuously jacked to reach the position of the original first top pipe 12;
and S5, after the pipeline is jacked to a required position, taking away the fixed reinforcing steel bars in the rotating plate fixing assemblies in the two jacking iron rotating plate groups, rotating the rotating plates for 90 degrees again to restore to a folded state, pushing the pipe-jacking foldable jacking iron device 11 to the adjacent side of the pipe-jacking oil cylinder 16, and completing construction of the section of pipe-jacking pipeline.
And (5) repeating the steps S1 to S5 until all the pipe-jacking pipeline construction is completed.
It should be noted that the parts of the present invention not disclosed in detail belong to the known technology in the field; furthermore, although the illustrative embodiments of the present invention have been described above to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, and that various changes may be made apparent to those skilled in the art without departing from the spirit and scope of the invention as defined and defined by the appended claims.
Claims (8)
1. A push pipe foldable iron jacking device is characterized by comprising an arc-shaped iron jacking plate (1), a first U-shaped iron jacking plate (3) and at least one group of telescopic mechanisms, wherein the arc-shaped iron jacking plate (1), the first U-shaped iron jacking plate and the at least one group of telescopic mechanisms are sequentially and coaxially arranged on a push pipe guide rail (14) along the horizontal direction; each group of telescopic mechanisms consists of a top iron rotating plate group (5) and a second U-shaped top iron top plate (2); wherein,
the arc-shaped top iron (1) is an arc-shaped body with a downward opening, and the outer diameter and the inner diameter of the arc-shaped top iron are respectively matched with the outer diameter and the inner diameter of the top pipe, so that the front end face of the arc-shaped top iron (1) can be abutted against the rear end face of the top pipe;
the first U-shaped top iron top plate (3) is a U-shaped plate body formed by sequentially connecting and fixing a first vertical plate, a transverse plate and a second vertical plate, and is fixed with the arc-shaped top iron (1) into a whole;
the top iron rotating plate group (5) comprises four rotating plates; the four rotating plates are divided into two groups, and the two rotating plates in each group are vertically arranged and are spliced into a combined flat plate along the horizontal direction; the two combined flat plates are symmetrically and parallelly arranged; at least two rotating plate fixing assemblies and at least one handle group are respectively arranged on the outer side plate surface of each combined flat plate and close to the splicing position of the two rotating plates at intervals; the rotating plate fixing assembly consists of a fixing steel bar and two grooves which can be internally provided with the fixing steel bar; the two groove bodies are symmetrically arranged on the two rotating plates, the fixed steel bar is arranged in a groove which is formed by enclosing the two groove bodies and the combined flat plate and provided with an opening at the top end, so that the two rotating plates are temporarily connected and fixed into a whole by arranging the fixed steel bar in the groove; the handle group consists of two U-shaped handles which are symmetrically fixed on the two rotating plates in a horizontal arrangement mode;
the second U-shaped top iron top plate (2) and the first U-shaped top iron top plate (3) are the same in structure and are symmetrically arranged on two sides of the top iron rotating plate group (5) in a mutually parallel mode; the front ends and the rear ends of the two combined flat plates are respectively hinged on the first U-shaped top iron top plate (3) and the second U-shaped top iron top plate (2) through rotary connecting pieces;
the pipe jacking guide rail (14) is of a frame body structure with a groove in the middle along the axis direction, and two rail grooves extending along the length direction of the frame body are symmetrically arranged at the positions of two sides of the top of the frame body; at least one sliding wheel (4) is arranged at the edge of the two sides of the bottoms of the arc-shaped top iron (1), the first U-shaped top iron top plate (3) and the second U-shaped top iron top plate (2), so that the three can slide in two track grooves respectively through the sliding wheels at the bottoms of the two sides, and the three can slide in the two track grooves in a reciprocating manner along the length direction of the top pipe guide rail (14).
2. The push pipe foldable push iron device as claimed in claim 1, wherein the arc-shaped push iron (1) is an arc-shaped structure composed of an arc-shaped top plate and arc-shaped side plates symmetrically fixed on both sides of the arc-shaped top plate, and a plurality of rectangular short plates are fixed on the bottom surface of the arc-shaped top plate at intervals, each rectangular short plate is welded and fixed on the arc-shaped top plate in a manner perpendicular to the bottom surface of the arc-shaped top plate, and both side edges of the rectangular short plate are welded and fixed on the inner side plate surfaces of the arc-shaped side plates.
3. The pipe-jacking foldable iron jacking device according to claim 1, wherein an iron jacking lifting lug is arranged at each of two symmetrical positions on the top of the arc-shaped iron jacking (1); a first lifting lug (3 a) is arranged in the middle of the end surfaces of the top ends of a first vertical plate and a second vertical plate of the first U-shaped top iron top plate (3); and a second lifting lug (2 a) is arranged in the middle of the end faces of the top ends of the first vertical plate and the second vertical plate of the second U-shaped top iron top plate (2), and the axial direction of the second lifting lug (2 a) is perpendicular to the plate surface of the second U-shaped top iron top plate (2).
4. The pipe-jacking foldable roof iron device of claim 1, wherein the length of each rotating plate in the horizontal direction is 0.5-1 m.
5. The push pipe foldable iron jacking device as claimed in claim 1, wherein a plurality of stiffener plate groups (10) are uniformly distributed and fixed on the whole inner side plate surface of each combined flat plate.
6. The push pipe foldable top iron device as claimed in claim 1, wherein two top corners of the front ends of the two combined flat plates are respectively provided with a rotary connector to form hinged connection with two vertical plates in the first U-shaped top iron top plate (3), and two top corners of the rear ends of the two combined flat plates are respectively provided with a rotary connector to form hinged connection with two vertical plates in the second U-shaped top iron top plate (2); the rotary connecting piece is composed of a rotary shaft (6) and a fixing block, the fixing block is fixed on the vertical plate, a rotary shaft inserting hole is formed in the fixing block along the axial direction, the rotary shaft (6) is inserted into the rotary shaft inserting hole, and the bottom end of the rotary shaft (6) is fixed on the top surface of the combined flat plate.
7. The push pipe foldable iron jacking device according to claim 1, wherein the length of the push pipe guide rail (14) is slightly greater than the sum of the lengths of the push pipe and the push pipe foldable iron jacking device in the minimum length state; the size of the groove is matched with that of the jacking pipe, so that the jacking pipe can be uniformly distributed in the groove in a horizontal arrangement mode.
8. The pipe-jacking foldable iron jacking device according to claim 1, wherein the pipe-jacking guide rail (14) is composed of a strip-shaped bottom plate (14 a), a plurality of pipe-jacking support frames (14 b) and two rail grooves (14 c); wherein, the strip-shaped bottom plate (14 a) is horizontally arranged on the pipe-jacking construction ground, and the length direction of the strip-shaped bottom plate is consistent with the movement direction of the pipe-jacking oil cylinder (16); a plurality of top pipe support frames (14 b) are uniformly distributed along the length direction of the strip-shaped bottom plate (14 a) and are fixed on the strip-shaped bottom plate (14 a) at intervals; the pipe jacking support frame (14 b) consists of a horizontal rod and two V-shaped folding rods, the two V-shaped folding rods are arranged in an inverted manner and are symmetrically arranged at two ends of the horizontal rod, the end part of one rod body forming the V-shaped folding rod is welded and fixed at the rod end of the horizontal rod, and the other rod body is supported on a pipe jacking construction ground; the two track grooves (14 c) are two grooves with the groove width matched with the size of the sliding wheel (4), and the two track grooves are respectively horizontally arranged and fixed on the end surfaces of the top ends of the two inverted V-shaped folding rods along the length direction of the strip-shaped bottom plate (14 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222501045.XU CN218031750U (en) | 2022-09-21 | 2022-09-21 | Push pipe folded cascade ejector beam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222501045.XU CN218031750U (en) | 2022-09-21 | 2022-09-21 | Push pipe folded cascade ejector beam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218031750U true CN218031750U (en) | 2022-12-13 |
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ID=84354973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222501045.XU Active CN218031750U (en) | 2022-09-21 | 2022-09-21 | Push pipe folded cascade ejector beam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218031750U (en) |
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2022
- 2022-09-21 CN CN202222501045.XU patent/CN218031750U/en active Active
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