CN113173114A - Material transfer device for bridge construction - Google Patents
Material transfer device for bridge construction Download PDFInfo
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- CN113173114A CN113173114A CN202110505086.3A CN202110505086A CN113173114A CN 113173114 A CN113173114 A CN 113173114A CN 202110505086 A CN202110505086 A CN 202110505086A CN 113173114 A CN113173114 A CN 113173114A
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- hydraulic rod
- oil pressure
- pressure cavity
- platform
- transfer device
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- 239000000463 material Substances 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 2
- 206010040007 Sense of oppression Diseases 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a material transfer device for bridge construction, which comprises a transfer vehicle body capable of being matched with a transport vehicle head to move, wherein a group of transfer vehicle bodies are respectively arranged below two sides of a prefabricated material, each transfer vehicle body comprises a vehicle frame and a bearing member arranged above the vehicle frame, a group of oil tanks are arranged on the upper end surface of the vehicle frame, each bearing member comprises an adjustable first-stage load platform and an adjustable second-stage load platform, the first-stage load platforms are provided with a group of second-stage load platforms, the second-stage load platforms are arranged on the vehicle frames in the middle, the first-stage load platforms and the second-stage load platforms are integrally arranged along the central axis of the vehicle frames in a transverse mode, limiting arms for clamping and limiting the prefabricated material are arranged on two sides of the first-stage load platforms, and the limiting arms abut against the side surfaces of the prefabricated material when the first-stage load platforms are pressed by the downward gravity of the prefabricated material. This material transfer device is used in bridge construction, rational in infrastructure, easily realize stable transportation and can realize transporting the quick unloading behind the appointed place, improve the efficiency of construction.
Description
Technical Field
The invention belongs to the technical field of bridge construction (E01D2/00), and particularly relates to a material transfer device for bridge construction.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like. In bridge construction, a bridge girder erection machine is often adopted to transport prefabricated materials, the prefabricated materials are erected above poured piers, and the transportation of the prefabricated materials required by bridge erection depends on a transfer device.
Traditional bridge prefabricated material's transportation relies on the locomotive to drive at least two sets of frames and realizes the transportation, and the frame is when bearing prefabricated material, and prefabricated material's stability generally relies on the material dead weight to guarantee to the pressure that the frame was applyed, or has the limit structure who adds, but when carrying out the unloading to prefabricated material, limit structure will influence the speed of product unloading.
Disclosure of Invention
Therefore, the invention provides a material transfer device for bridge construction, which can stably transport and realize quick blanking, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a material transfer device for bridge construction comprises transfer vehicle bodies which can be matched with a transport vehicle head to move, wherein a group of transfer vehicle bodies respectively bear the lower parts of two sides of a prefabricated material;
the above-mentioned transport automobile body includes the frame of band pulley and the bearing member that is used for supporting prefabricated material above the frame, a set of oil tank is installed to the up end of above-mentioned frame, bearing member includes adjustable one-level load platform and second grade load platform, wherein, above-mentioned one-level load platform is equipped with a set ofly, above-mentioned second grade load platform sets up on the frame between two parties, above-mentioned one-level load platform is horizontal arranging along the axis of frame with the whole second grade load platform, and the both sides of one-level load platform are equipped with the spacing arm of the spacing prefabricated material of centre gripping, the line of the spacing arm of one-level load platform both sides intersects at frame up end place plane with the axis of frame, the spacing arm and the linkage of one-level load platform both sides, above-mentioned one-level load platform receives the side of above-mentioned spacing arm butt prefabricated material when the prefabricated material oppresses to the gravity.
Preferably, the primary load-carrying platform comprises a first embedded assembly platform which is embedded and assembled with the frame, a first cavity for mounting a first lifting support disc is formed in the first embedded assembly platform, a group of first hydraulic rod pieces for supporting the first lifting support disc are arranged in the first cavity, and a return spring which is abutted against the first lifting support disc is arranged above the first hydraulic rod pieces;
the second-stage load-carrying platform comprises a second embedded assembly platform which is embedded and assembled with the frame, a second cavity for mounting the second lifting support disc is formed in the second embedded assembly platform, and a second group of hydraulic rod pieces for supporting the first lifting support disc are arranged in the second cavity;
the limiting arm comprises a base main body and an abutting part, wherein the end part of the base main body can extend obliquely, an assembling shaft seat connected with the frame is arranged at the bottom end of the base main body, and a group of hydraulic rod parts for supporting the abutting part are arranged in the top end of the base main body.
Preferably, the first hydraulic rod piece comprises a movable first piston rod, the end of the first piston rod piece extends out of the first hydraulic rod piece and abuts against the first lifting support plate, the first piston rod piece divides the inner space of the first hydraulic rod piece into a first oil pressure cavity at the lower part and a second oil pressure cavity at the upper part, and the second oil pressure cavity is provided with a loop communicated into the oil tank.
Preferably, the second hydraulic rod comprises a movable second piston rod, the end of the second piston rod extends out of the second hydraulic rod and abuts against the second lifting support plate, the second piston rod divides the space in the second hydraulic rod into a third oil pressure cavity at the lower part and a fourth oil pressure cavity at the upper part, the third oil pressure cavity and the fourth oil pressure cavity are both provided with a loop communicated with an oil tank, and a hydraulic pump is arranged on the loop butted with the third oil pressure cavity.
Preferably, the third hydraulic rod piece comprises a movable third piston rod, the end of the third piston rod piece extends out of the third hydraulic rod piece and is connected with the abutting part, the third piston rod piece divides the space in the third hydraulic rod piece into a fifth oil pressure cavity at the lower part and a sixth oil pressure cavity at the upper part, and the sixth oil pressure cavity is communicated with a first oil pressure cavity of a first hydraulic rod piece in the first embedded assembly platform.
Preferably, the inner wall of the first embedded assembly table is provided with a first antifriction ring sleeve which is in sliding fit with the first lifting support disc.
And as a preferred scheme, the inner wall of the embedded assembly table II is provided with a friction-reducing ring sleeve II which is in sliding fit with the lifting support disc II.
Preferably, guide rods parallel to the three axes of the hydraulic rod are arranged on two sides of the hydraulic rod III, the end parts of the guide rods are fixedly connected with the abutting part, and one end of each guide rod, which is far away from the abutting part, is inserted into the base main body and is in sliding fit with the base main body.
The invention has the technical effects and advantages that: according to the material transfer device for bridge construction, the transfer vehicle body comprises a vehicle frame, the matching of a first-stage loading platform and a second-stage loading platform on the vehicle frame is benefited, and limiting arms are arranged on two sides of the first-stage loading platform, when the first-stage loading platform bears prefabricated materials, oil pressure is poured into a hydraulic rod piece III of each limiting arm, the cooperative abutting of the side surfaces of the prefabricated materials is realized, and the stability of the prefabricated materials is guaranteed during transportation; when the hydraulic pump pumps liquid into the secondary loading platform, the support of the secondary loading platform on the primary loading platform reduces the gravity borne by the primary loading platform, and the return spring in the primary loading platform is matched to reduce the oil pressure in the hydraulic rod piece III, so that the blanking of prefabricated materials is facilitated. This material transfer device is used in bridge construction, rational in infrastructure, easily realize stable transportation and can realize transporting the quick unloading behind the appointed place, improve the efficiency of construction.
Drawings
FIG. 1 is a schematic view of the structure of the transfer car body of the present invention when loaded with prefabricated materials;
FIG. 2 is a schematic structural view of a transfer car body according to the present invention;
FIG. 3 is a cross-sectional view of the vehicle frame and its upper components of the present invention;
FIG. 4 is a schematic view of the internal structure of the primary loading platform of the present invention;
FIG. 5 is a schematic view of the internal structure of the secondary loading platform of the present invention;
FIG. 6 is a schematic view of the structure of the arm of the present invention;
FIG. 7 is a schematic view of the extended position of the arm of the present invention;
fig. 8 is a schematic view of the internal structure of a hydraulic rod member iii according to the present invention.
In the figure: the device comprises a transfer vehicle body 1, prefabricated materials 2, a vehicle frame 3, a first-level load platform 4, a second-level load platform 5, a limiting arm 6, an oil tank 7, a first embedded assembly platform 8, a first 801 lifting support disc, a first 802 antifriction ring sleeve, a second embedded assembly platform 9, a second 901 lifting support disc, a second 902 antifriction ring sleeve, a first 10 hydraulic rod piece, a first 1001 oil pressure cavity, a second 1002 oil pressure cavity, a second 11 hydraulic rod piece, a third 1101 oil pressure cavity, a fourth 1102 oil pressure cavity, a first 12 piston rod, a 13 reset spring, a second 14 piston rod, a second 15 base body, a 1501 abutting part, a 16 assembly shaft seat, a third 17 hydraulic rod piece, a fifth 1701 oil pressure cavity, a sixth 1702 oil pressure cavity, a third 18 piston rod and a 19 guide rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In order to realize the stable bearing of the prefabricated material 2 and ensure the stability in the transferring process, the invention provides the material transferring device for bridge construction, which is shown in figures 1, 2, 3, 4, 6 and 7 and comprises a transferring vehicle body 1 which can be matched with a transporting vehicle head to realize movement, and a group of transferring vehicle bodies 1 respectively bear the lower parts of two sides of the prefabricated material 2;
the transfer vehicle body 1 comprises a vehicle frame 3 with a belt wheel and a bearing component which is arranged above the vehicle frame 3 and used for supporting the prefabricated material 2, a group of oil tanks 7 are arranged on the upper end surface of the vehicle frame 3, the bearing component comprises an adjustable first-stage loading platform 4 and a second-stage loading platform 5, wherein the first-stage loading platform 4 is provided with a group, the second-stage loading platform 5 is arranged on the vehicle frame 3 in the middle, the first-stage loading platform 4 and the second-stage loading platform 5 are integrally arranged along the central axis of the vehicle frame 3 in a transverse mode, limiting arms 6 for clamping and limiting the prefabricated material 2 are arranged on two sides of the first-stage loading platform 4, the connecting line of the limiting arms 6 on two sides of the first-stage loading platform 4 is intersected with the plane of the upper end surface of the vehicle frame 3 in the central axis of the vehicle frame 3 (namely the connecting, as shown in fig. 2, an embodiment in which the connection lines are in an intersecting state is shown: the connecting line is vertical), the limiting arms 6 on two sides of the first-stage load platform 4 are linked with the first-stage load platform 4, the limiting arms 6 abut against the side face of the prefabricated material 2 when the first-stage load platform 4 is pressed by the downward gravity of the prefabricated material 2, the first-stage load platform 4 comprises an embedded assembly table I8 which is embedded and assembled with the frame 3, a first cavity for mounting the lifting support disc I801 is formed in the embedded assembly table I8, a set of first hydraulic rod pieces 10 for supporting the lifting support disc I801 is arranged in the first cavity, a reset spring 13 abutting against the lifting support disc I801 is arranged above the first hydraulic rod pieces 10, the limiting arms 6 comprise a base main body 15 and an abutting part 1501 extending obliquely from the end part of the base main body 15, an assembly shaft seat 16 connected with the frame 3 is arranged at the bottom end of the base main body 15, and a set of third hydraulic rod pieces 17 for supporting the abutting part 1501 is arranged in the top end of the base main body 15.
The first hydraulic rod piece 10 comprises a movable first piston rod 12, the end part of the first piston rod 12 extends out of the first hydraulic rod piece 10 and is abutted against the first lifting support disc 801, the first piston rod 12 divides the space in the first hydraulic rod piece 10 into a first oil pressure cavity 1001 at the lower part and a second oil pressure cavity 1002 at the upper part, and the second oil pressure cavity 1002 is provided with a loop communicated into the oil tank 7; the third hydraulic rod piece 17 comprises a movable third piston rod 18, the end of the third piston rod 18 extends out of the third hydraulic rod piece 17 and is connected with the abutting portion 1501, the third piston rod 18 divides the space in the third hydraulic rod piece 17 into a fifth hydraulic cavity 1701 at the lower part and a sixth hydraulic cavity 1702 at the upper part, the sixth hydraulic cavity 1702 is communicated with a first hydraulic cavity 1001 of a first hydraulic rod piece 10 in the first embedded assembly platform 8, the transfer trolley body 1 comprises a trolley frame 3, the cooperation of the first-stage load platform 4 and the second-stage load platform 5 on the trolley frame 3 is benefited, and the limiting arms 6 are arranged on two sides of the first-stage load platform 4, when the first-stage load platform 4 bears the prefabricated material 2, oil pressure can flow into the third hydraulic rod piece 17 of the limiting arms 6, the cooperative abutting of the side face of the prefabricated material 2 is realized, and the stability of the prefabricated material 2 is guaranteed during transportation.
In order to facilitate the unloading of the prefabricated material 2 after being transported to a designated place, the invention provides a material transporting device for bridge construction, which is shown in figures 1, 2, 3, 4, 5, 6 and 7, and comprises transporting vehicle bodies 1 capable of being matched with a transporting vehicle head to move, wherein a group of transporting vehicle bodies 1 respectively bear the lower parts of two sides of the prefabricated material 2;
the transfer vehicle body 1 comprises a vehicle frame 3 with a belt wheel and a bearing component which is arranged above the vehicle frame 3 and used for supporting the prefabricated material 2, a group of oil tanks 7 are arranged on the upper end surface of the vehicle frame 3, the bearing component comprises an adjustable first-stage loading platform 4 and a second-stage loading platform 5, wherein the first-stage loading platform 4 is provided with a group, the second-stage loading platform 5 is arranged on the vehicle frame 3 in the middle, the first-stage loading platform 4 and the second-stage loading platform 5 are integrally arranged along the central axis of the vehicle frame 3 in a transverse mode, limiting arms 6 for clamping and limiting the prefabricated material 2 are arranged on two sides of the first-stage loading platform 4, the connecting line of the limiting arms 6 on two sides of the first-stage loading platform 4 is intersected with the plane of the upper end surface of the vehicle frame 3 in the central axis of the vehicle frame 3 (namely the connecting line is in an intersected state on the same plane, so that the installing position of the limiting arms 6 is not limited above the vehicle frame 3 and only needs to be positioned on two sides of the prefabricated material 2, as shown in fig. 2, an embodiment in which the connection lines are in an intersecting state is shown: the connecting line is vertical), the limiting arms 6 on two sides of the first-stage load platform 4 are linked with the first-stage load platform 4, the limiting arms 6 abut against the side face of the prefabricated material 2 when the first-stage load platform 4 is pressed by the downward gravity of the prefabricated material 2, the first-stage load platform 4 comprises an embedded assembly table I8 which is embedded and assembled with the frame 3, a first cavity for mounting the lifting support disc I801 is formed in the embedded assembly table I8, a set of first hydraulic rod pieces 10 for supporting the lifting support disc I801 is arranged in the first cavity, a reset spring 13 abutting against the lifting support disc I801 is arranged above the first hydraulic rod pieces 10, the limiting arms 6 comprise a base main body 15 and an abutting part 1501 extending obliquely from the end part of the base main body 15, an assembly shaft seat 16 connected with the frame 3 is arranged at the bottom end of the base main body 15, and a set of third hydraulic rod pieces 17 for supporting the abutting part 1501 is arranged in the top end of the base main body 15.
The second-stage loading platform 5 comprises an embedded assembly platform II 9 which is embedded and assembled with the frame 3, a cavity II for mounting the lifting support disc II 901 is formed in the embedded assembly platform II 9, a group of hydraulic rod pieces 11 for supporting the lifting support disc I801 is arranged in the cavity, the hydraulic rod pieces 11 comprise movable piston rod pieces 14, the end parts of the piston rod pieces 14 extend out of the hydraulic rod piece II 11 and are abutted against the lifting support disc II 901, the piston rod pieces 14 divide the space in the hydraulic rod piece II 11 into a lower oil pressure cavity III 1101 and an upper oil pressure cavity IV 1102, the oil pressure cavity III 1101 and the oil pressure cavity IV 1102 are both provided with a loop communicated with the oil tank 7, a hydraulic pump is arranged on the loop butted with the oil pressure cavity III 1101, when the hydraulic pump pumps liquid into the second-stage loading platform 5, the support of the second-stage loading platform 5 on the first-stage loading platform 4 can reduce the gravity borne by the first-stage loading platform 4, and the hydraulic pressure in the hydraulic rod piece III 17 is reduced by matching with a reset spring 13 in the first-stage loading platform 4, thereby facilitating blanking of the prefabricated material 2.
In order to ensure the stability of the embedded assembly table I8, the embedded assembly table II 9 and the hydraulic rod piece III 17, the invention provides the material transfer device for bridge construction shown in figures 4, 5, 7 and 8, wherein the inner wall of the embedded assembly table I8 is provided with an antifriction ring sleeve I802 which is in sliding fit with the lifting support disc I801;
the inner wall of the embedded assembly table II 9 is provided with a friction reducing ring sleeve II 902 which is in sliding fit with the lifting support disc II 901;
two sides of the hydraulic rod piece III 17 are provided with guide rods 19 parallel to the axis of the hydraulic rod piece III 17, the end parts of the guide rods 19 are fixedly connected with the abutting part 1501, and one end of each guide rod 19, which is far away from the abutting part 1501, is inserted into the base main body 15 and is in sliding fit with the base main body 15.
The first antifriction ring sleeve 802 is used for reducing friction force when the first lifting support disc 801 ascends and descends, the second antifriction ring sleeve 902 is used for reducing friction force when the second lifting support disc 901 ascends and descends, the guide rod 19 is used for guiding, and sliding fit of the guide rod can be achieved by a linear bearing.
The working principle is as follows: before the transfer vehicle body 1 bears the prefabricated material 2, the hydraulic pump needs to be adjusted to enable the second-level load-bearing platform 5 to descend, when the hydraulic pump does not pump liquid into the oil pressure cavity III 1101 any more, the oil liquid in the oil tank 7 flows back to the oil pressure cavity IV 1102, the piston rod II 14 descends slowly, conditions are provided for erecting the prefabricated material 2 on the first-level load-bearing platform 4, when the prefabricated material 2 is pressed down above the first-level load-bearing platform 4, the reset spring 13 is stressed and compressed, the oil liquid originally stored in the oil pressure cavity I1001 is pressed into the oil pressure cavity V1701 of the hydraulic rod piece III 17 by the piston rod I12 due to the gravity of the prefabricated material 2, the piston rod III 18 extends, the distance of the inclined extension is L1 as shown in figure 7, the transverse displacement is L2, and the prefabricated material 2 is clamped from the side face, the stability of the prefabricated material 2 is guaranteed, after the prefabricated material is transported to a designated place, the hydraulic pump is adjusted to pump liquid into the oil pressure cavity III 1101, the piston rod II 14 is enabled to lift the lifting supporting disc II 901 until the prefabricated material 2 is lifted by the lifting supporting disc II 901, the reset spring 13 is enabled to reset slowly due to the change of gravity, oil in the oil pressure cavity V1701 gradually flows back to the oil pressure cavity III 1101, the limiting arm 6 is enabled to release the prefabricated material 2, and therefore the prefabricated material 2 can be conveniently unloaded.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A material transfer device for bridge construction comprises transfer vehicle bodies (1) capable of being matched with a transport vehicle head to move, wherein a group of transfer vehicle bodies (1) respectively receive the lower parts of two sides of prefabricated materials (2);
the method is characterized in that: the transfer trolley body (1) comprises a trolley frame (3) with a belt wheel and a bearing component arranged above the trolley frame (3) and used for supporting the prefabricated material (2), a set of oil tanks (7) are installed on the upper end face of the trolley frame (3), the bearing component comprises an adjustable one-level load platform (4) and a second-level load platform (5), wherein the one-level load platform (4) is provided with a set of bearing components, the second-level load platform (5) is arranged on the trolley frame (3) in the middle, the one-level load platform (4) and the second-level load platform (5) are integrally and transversely arranged along the central axis of the trolley frame (3), the two sides of the one-level load platform (4) are provided with limiting arms (6) for clamping the prefabricated material (2), the connecting lines of the limiting arms (6) on the two sides of the one-level load platform (4) are intersected with the plane of the central axis of the trolley frame (3), spacing arm (6) and the linkage of one-level load platform (4) both sides, when one-level load platform (4) receive prefabricated material (2) gravity oppression downwards spacing arm (6) butt prefabricated material (2) side.
2. The material transfer device for bridge construction according to claim 1, wherein: the first-stage load-carrying platform (4) comprises a first embedded assembly table (8) which is embedded with the frame (3) and assembled, a first cavity for mounting the first lifting support disc (801) is formed in the first embedded assembly table (8), a group of first hydraulic rod pieces (10) for supporting the first lifting support disc (801) are arranged in the first cavity, and a reset spring (13) abutted against the first lifting support disc (801) is arranged above the first hydraulic rod pieces (10);
the second-stage load platform (5) comprises a second embedded assembly platform (9) which is embedded with the frame (3), a second chamber for mounting the second lifting support disc (901) is formed in the second embedded assembly platform (9), and a second group of hydraulic rod pieces (11) for supporting the first lifting support disc (801) is arranged in the second chamber;
the limiting arm (6) comprises a base main body (15) and a butting part (1501) which can obliquely extend from the end part of the base main body (15), an assembling shaft seat (16) connected with the frame (3) is arranged at the bottom end of the base main body (15), and a group of hydraulic rod parts III (17) supporting the butting part (1501) is arranged in the top end of the base main body (15).
3. The material transfer device for bridge construction according to claim 2, wherein: the hydraulic rod piece I (10) comprises a movable piston rod I (12), the end portion of the piston rod I (12) extends out of the hydraulic rod piece I (10) and abuts against the lifting support disc I (801), the piston rod I (12) divides the space in the hydraulic rod piece I (10) into a lower oil pressure cavity I (1001) and an upper oil pressure cavity II (1002), and the oil pressure cavity II (1002) is provided with a loop communicated into the oil tank (7).
4. The material transfer device for bridge construction according to claim 2, wherein: the second hydraulic rod piece (11) comprises a movable second piston rod (14), the end portion of the second piston rod (14) extends out of the second hydraulic rod piece (11) and abuts against and lifts the support disc (901), the second piston rod (14) divides the space in the second hydraulic rod piece (11) into a third oil pressure cavity (1101) at the lower portion and a fourth oil pressure cavity (1102) at the upper portion, the third oil pressure cavity (1101) and the fourth oil pressure cavity (1102) are both provided with a loop communicated with the oil tank (7), and a hydraulic pump is arranged on the loop of the third oil pressure cavity (1101) in a butt joint mode.
5. The material transfer device for bridge construction according to claim 2, wherein: the hydraulic rod piece III (17) comprises a movable piston rod III (18), the end part of the piston rod III (18) extends out of the hydraulic rod piece III (17) and is connected with the abutting part (1501), the piston rod III (18) divides the inner space of the hydraulic rod piece III (17) into a lower oil pressure cavity V (1701) and an upper oil pressure cavity V (1702), and the oil pressure cavity V (1702) is communicated with the oil pressure cavity I (1001) of one hydraulic rod piece I (10) in the embedded assembly station I (8).
6. The material transfer device for bridge construction according to claim 3, wherein: and the inner wall of the embedded assembly table I (8) is provided with a friction reducing ring sleeve I (802) which is in sliding fit with the lifting support disc I (801).
7. The material transfer device for bridge construction according to claim 4, wherein: and the inner wall of the embedded assembly table II (9) is provided with a friction-reducing ring sleeve II (902) which is in sliding fit with the lifting support disc II (901).
8. The material transfer device for bridge construction according to claim 5, wherein: guide rods (19) parallel to the axes of the hydraulic rod pieces (17) are arranged on two sides of the hydraulic rod piece (17), the end portions of the guide rods (19) are fixedly connected with the abutting portion (1501), and one end, far away from the abutting portion (1501), of each guide rod (19) is inserted into the base main body (15) and is in sliding fit with the base main body (15).
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| CN202110505086.3A CN113173114B (en) | 2021-05-10 | 2021-05-10 | Material transfer device for bridge construction |
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| CN202110505086.3A CN113173114B (en) | 2021-05-10 | 2021-05-10 | Material transfer device for bridge construction |
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| CN113173114B CN113173114B (en) | 2022-08-30 |
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