CN212335785U - Pier column mould - Google Patents

Pier column mould Download PDF

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Publication number
CN212335785U
CN212335785U CN202020988454.5U CN202020988454U CN212335785U CN 212335785 U CN212335785 U CN 212335785U CN 202020988454 U CN202020988454 U CN 202020988454U CN 212335785 U CN212335785 U CN 212335785U
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Prior art keywords
column mould
mould
linkage rod
column
linkage
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CN202020988454.5U
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周民
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Jilin Xinhe Intelligent Engineering Equipment R & D Manufacturing Co ltd
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Jilin Xinhe Intelligent Engineering Equipment R & D Manufacturing Co ltd
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Abstract

The utility model discloses a pier column mould, it includes: the device comprises a left column mould, a right column mould, a linkage rod and telescopic equipment; one end of the left column mould is provided with a linkage rod sliding part; the other end of the left column mould is provided with a linkage rod sliding part or a hinged shaft; one end of the right column die is provided with a linkage locking part; the other end of the right column mould is provided with a linkage locking part or a hinged butt joint part, and a lock pin fixing hole is formed in the linkage locking part; the linkage rod is connected in the linkage rod sliding part in a shaft connection mode; at least one locking pin shaft is arranged on the linkage rod; the two ends of the left column mould and the right column mould are respectively locked and/or hinged through a locking pin shaft; the locking pin shaft can be locked or separated from the locking pin fixing hole through telescopic equipment; the telescopic equipment adopts alternating current power supply equipment or direct current electric equipment, a cable and a control end of power supply of the telescopic equipment correspondingly use a cable or adopt a battery for power supply, the telescopic equipment is remotely controlled to be telescopic, and risks during installation and disassembly of construction workers are reduced or avoided.

Description

Pier column mould
Technical Field
The utility model belongs to cast-in-place formula post mould for pier among the bridge construction, concretely relates to pier post mould.
Background
The bridge pier is a sub-building which supports a bridge span structure and transmits constant load and vehicle live load to a foundation, and is generally a solid structure built by concrete or stones; the pier generally adopts a mould to reach the top, concrete pouring is carried out after pier column moulds are built layer by layer, the whole template is removed after the pier is solidified, the height of the conventional pier template is controlled within 4 meters for convenient hoisting, and the circular pier adopts two semicircular steel column moulds for butt joint; the weight of each semicircular steel column mould is hundreds of jin or even tons; during construction, a column mould needs to be lifted, at least 2 construction workers need to be lifted to butt the column mould, and the flanges on the upper column mould and the lower column mould are connected and locked through bolts; when the column mould is disassembled, 4 construction workers needing to be lifted simultaneously disassemble the two semicircular steel column moulds; for construction workers, the construction risk of column form dismantling is larger than that of installing a mould frame, when the column form is dismantled, two construction workers are required to be matched with each other to dismantle bolts on flanges, namely, each construction worker needs to fix a safety belt on the mould frame, the construction workers need to step on ribs with the width of 10 centimeters by feet, one hand is required to hold the column form, and the other hand holds a wrench to screw the bolts; when the last bolt on the column formwork is removed, a construction worker is hung on the column formwork, and the crane lifts the formwork, the safety of the construction worker is avoided, and the column formwork with large lifting fall and large radius is difficult to avoid overturning and swinging during detachment and lifting; the weather and the lifting stability when the column formwork is disassembled can influence the life safety of construction workers; the increase of lifting equipment and protection methods not only increases the construction cost, but also influences the construction progress; therefore, more reliable devices and methods are needed for the installation and removal of pier stud molds.
Disclosure of Invention
The invention aims to solve the problems and provide a pier column mould;
a pier column form, comprising: the device comprises a left column mould (1), a right column mould (2), a linkage rod (3) and a telescopic device (4);
one end of the left column mould (1) is provided with a linkage rod sliding part (11); the linkage rod (3) is coupled in the linkage rod sliding part (11) in a shaft manner; a plurality of locking pin frames (31) are arranged on the linkage rod (3), and locking pin shafts (311) are arranged on the locking pin frames (31);
one end of the right column mould (2) is provided with a plurality of linkage locking parts (21); a lock pin fixing hole (212) is arranged on the linkage locking part (21); the lock pin frame (31) corresponds to the linkage locking part (21); the other end of the left column mould (1) is hinged with the other end of the right column mould (2); the linkage rod (3) is also provided with a telescopic connecting part (32); the body of the telescopic equipment (4) is fixed on the left column mould (1), and a telescopic rod of the telescopic equipment (4) is connected with the telescopic connecting part (32); the telescopic equipment (4) controls the linkage rod (3) to move up and down;
the other end of the left column mould (1) is the same as one end of the right column mould (2), and the other end of the right column mould (2) is the same as one end of the left column mould (1);
after the locking pin shaft (311) is inserted into the locking pin fixing hole (212), the other end of the left column mould (1) is hinged with the other end of the right column mould (2);
the linkage locking part (21) is provided with a lock pin slideway 211.
The left column mould (1) and the right column mould (2) are semicircular column moulds or rectangular column moulds; the upper end and the lower end of the left column mould (1) and the right column mould (2) are both provided with connecting flanges;
a locking pin shaft (311) at the lower end of the linkage rod (3) is in clearance fit with a flange screw hole;
the telescopic equipment (4) is a hydraulic cylinder.
The utility model discloses a pier column mould, it includes: the device comprises a left column mould 1, a right column mould 2, a linkage rod 3 and a telescopic device 4; one end of the left column mould 1 is provided with a linkage rod sliding part 11; the other end of the left column mould 1 is provided with a linkage rod sliding part 11 or a hinged shaft 12; one end of the right column mould 2 is provided with a linkage locking part 21; the other end of the right column mould 2 is provided with a linkage locking part 21 or a hinged butt joint part 22; a lock pin fixing hole 212 is arranged in the linkage locking part 21; the linkage rod 3 is coupled in the linkage rod sliding part 11; at least one locking pin shaft 311 is arranged on the linkage rod 3; the two ends of the left column mould 1 and the right column mould 2 are respectively locked and/or hinged through a locking pin shaft 311; the locking pin shaft 311 can be locked or separated from the locking pin fixing hole 212 through the telescopic device 4; the telescopic equipment 4 adopts alternating current power supply equipment or direct current electric equipment, a cable and a control end of power supply correspond to cables or adopt batteries for power supply, the telescopic equipment 4 is controlled to be telescopic in a long distance, and risks of construction workers during installation and disassembly are reduced or avoided.
Drawings
Fig. 1 is an overall schematic view of an articulated pier column die of the present invention;
fig. 2 is a schematic axial side view of a column mold of an articulated pier of the present invention when locked closed;
fig. 3 is a schematic axial view of a closed lock of a column form of an articulated pier of the present invention;
fig. 4 is a schematic view of a double-interlocking pier column mold of the present invention;
fig. 5 is a schematic view of a double-interlocking pier column mold according to the present invention when closed and locked;
fig. 6 is a schematic view of a double-interlocking column die suitable for a rectangular bridge pier according to the present invention;
fig. 7 is a front view of a multi-linked pier column mold of the present invention;
fig. 8 is a schematic axial view of a multi-linked pier column mold of the present invention;
fig. 9 is the utility model discloses pier column mould builds the schematic diagram.
Detailed Description
Embodiment 1 a hinged pier column mould
Referring to fig. 1 to 3, an articulated pier column mold is a column mold suitable for a circular pier, and includes: the device comprises a left column mould 1, a right column mould 2, a linkage rod 3 and a telescopic device 4;
the left column mould 1 and the right column mould 2 are both semicircular steel column moulds; the upper end and the lower end of the left column mould 1 and the right column mould 2 are both provided with a connecting flange; flanges of the left column die 1 and the right column die 2 are respectively provided with a flange screw hole I13 and a flange screw hole II 23;
a plurality of rib plates and transverse ribs are arranged between flanges of the left column mould 1 and the right column mould 2;
the left column mould 1 is provided with a linkage rod sliding part 11 and a hinged shaft 12; the linkage rod sliding part 11 and the articulated shaft 12 are respectively arranged at two ends of the semicircular steel column die;
the linkage rod sliding part 11 mainly comprises a plurality of support frames provided with linkage rod sliding holes;
the articulated shaft 12 mainly comprises one or more axial connecting rods fixed at one end of the left column mould 1;
the right column mould 2 is provided with a linkage locking part 21 and a hinged butt joint part 22; the hinged butt joint part 22 and the linkage locking part 21 are respectively arranged at two ends of the semicircular steel column die;
the hinged butt joint part 22 mainly comprises one or more shaft lever shaft connecting holes fixed at one end of the right column mould 2;
one or more linkage locking parts 21 are arranged, and each linkage locking part 21 mainly comprises a lock pin slideway 211 and a lock pin fixing hole 212;
the linkage rod 3 is formed by coaxially and fixedly connecting one or more stepped shafts; at least one locking pin frame 31 is arranged on the linkage rod 3, and a locking pin shaft 311 is arranged on the locking pin frame 31;
the linkage rod 3 is also provided with a telescopic connecting part 32; the lock pin frame 31 and the telescopic connecting part 32 are respectively arranged at two sides of the linkage rod 3;
the telescopic equipment 4 is a hydraulic cylinder or an electric push rod; the telescopic equipment 4 is parallel to the linkage rod 3;
the top end of a piston rod in the hydraulic cylinder or the electric push rod is fixedly connected with the telescopic connecting part 32; the lower end of a hydraulic cylinder or an electric push rod is fixed on the left column die 1
The articulated shaft 12 on the left column mould 1 is in shaft joint with the articulated butt joint part 22 on the right column mould 2 and is fixed through the articulated shaft 24; the linkage rod 3 is coupled in the linkage rod sliding part 11;
the flange at the hinged position of the left column mould 1 and the right column mould 2 is provided with an arc chamfer or a notch;
the locking pin shaft 311 at the lower end of the linkage rod 3 can be locked in the flange screw hole I13 and/or the flange screw hole II 23;
the locking pin shaft 311 is locked or separated from the locking pin fixing hole 212 through the telescopic device 4;
the power supply of the telescopic equipment 4 adopts external power supply and control cable power supply, the power supply of the telescopic equipment 4 is realized through the power supply and the control cable, the control cable in the cable is connected with the control end, and the control end controls the telescopic equipment 4 to stretch.
Embodiment 2 double-interlocking pier column die
Referring to fig. 4 to 5, a double-interlocked pier column mold is a column mold suitable for a circular pier, and includes: the device comprises a left column mould 1, a right column mould 2, a linkage rod 3 and a telescopic device 4;
the left column mould 1 and the right column mould 2 are both semicircular steel column moulds; flanges are arranged at the upper end and the lower end of the vertical surface of the left column mould 1 and the right column mould 2, and flange screw holes I13 and flange screw holes II 23 are arranged on the flanges of the left column mould 1 and the right column mould 2; a plurality of rib plates and transverse ribs are arranged between the flanges at the upper end and the lower end;
the left column mould 1 is provided with two linkage rod sliding parts 11, and the linkage rod sliding parts 11 are arranged; the two linkage rod sliding parts 11 are respectively arranged at two ends of the semicircular steel column die;
the linkage rod sliding part 11 mainly comprises a plurality of support frames provided with linkage rod sliding holes;
one or more linkage locking parts 21 are arranged at the end parts of the two ends of the right column die 2; each linkage locking part 21 mainly comprises a lock pin slideway 211 and a lock pin fixing hole 212;
the two linkage rod sliding parts 11 are respectively provided with a linkage rod 3;
the linkage rod 3 is provided with at least one locking pin frame 31, and the locking pin frame 31 is provided with a locking pin shaft 311;
the linkage rod 3 is also provided with a telescopic connecting part 32; the lock pin frame 31 and the telescopic connecting part 32 are respectively arranged at two sides of the linkage rod 3;
the number of the telescopic devices 4 is two, and the two telescopic devices 4 are hydraulic cylinders or electric push rods;
the two telescopic devices 4 are respectively arranged on one side of the two linkage rods 3 in parallel;
the top end of a piston rod in the hydraulic cylinder or the electric push rod is fixedly connected with the telescopic connecting part 32; the lower end of a hydraulic cylinder or an electric push rod is fixed on the left column die 1
The articulated shaft 12 on the left column mould 1 is in shaft joint with the articulated butt joint part 22 on the right column mould 2 and is fixed through the articulated shaft 24; the linkage rod 3 is coupled in the linkage rod sliding part 11;
the locking pin shaft 311 at the lower end of the linkage rod 3 is in clearance fit with the flange screw hole;
the locking pin shaft 311 is locked or separated from the locking pin fixing hole 212 through the telescopic device 4;
the power supply of the telescopic equipment 4 adopts external power supply and control cable power supply, the power supply of the telescopic equipment 4 is realized through the power supply and the control cable, the control cable in the cable is connected with the control end, and the control end controls the telescopic equipment 4 to stretch.
Embodiment 3 double-interlocking pier column die
Referring to fig. 6, a double-interlocked pier column mold is a column mold suitable for a rectangular pier, and includes: the device comprises a left column mould 1, a right column mould 2, a linkage rod 3 and a telescopic device 4;
the left column mould 1 and the right column mould 2 are both rectangular steel column moulds; flanges are arranged at the upper end and the lower end of the vertical surface of the left column mould 1 and the right column mould 2, and flange screw holes I13 and flange screw holes II 23 are arranged on the flanges of the left column mould 1 and the right column mould 2; a plurality of rib plates and/or transverse ribs are arranged between the flanges at the upper end and the lower end;
the left column mould 1 is provided with two linkage rod sliding parts 11; the two linkage rod sliding parts 11 are respectively arranged at two ends of the rectangular steel column die;
the linkage rod sliding part 11 mainly comprises a plurality of support frames provided with linkage rod sliding holes;
one or more linkage locking parts 21 are arranged at the end parts of the two ends of the right column die 2; each linkage locking part 21 mainly comprises a lock pin slideway and a lock pin fixing hole;
the two linkage rod sliding parts 11 are respectively provided with a linkage rod 3;
the linkage rod 3 is formed by coaxially and fixedly connecting one or more stepped shafts; at least one locking pin frame 31 is arranged on the linkage rod 3, and a locking pin shaft 311 is arranged on the locking pin frame 31;
the linkage rod 3 is also provided with a telescopic connecting part 32; the lock pin frame 31 and the telescopic connecting part 32 are respectively arranged at two sides of the linkage rod 3;
the number of the telescopic devices 4 is two, and the two telescopic devices 4 are hydraulic cylinders or electric push rods;
the two telescopic devices 4 are respectively arranged on one side of the two linkage rods 3 in parallel;
the top end of a piston rod in the hydraulic cylinder or the electric push rod is fixedly connected with the telescopic connecting part 32; the lower end of a hydraulic cylinder or an electric push rod is fixed on the left column die 1
The articulated shaft 12 on the left column mould 1 is in shaft joint with the articulated butt joint part 22 on the right column mould 2 and is fixed through the articulated shaft 24; the linkage rod 3 is coupled in the linkage rod sliding part 11;
the locking pin shaft 311 is locked or separated from the locking pin fixing hole through the telescopic equipment 4;
the locking pin shaft 311 at the lower end of the linkage rod 3 is in clearance fit with the flange screw hole;
the power supply of the telescopic equipment 4 adopts external power supply and control cable power supply, the power supply of the telescopic equipment 4 is realized through the power supply and the control cable, the control cable in the cable is connected with the control end, and the control end controls the telescopic equipment 4 to stretch.
Embodiment 4 many gang lock type pier column moulds
Referring to fig. 7 to 8, a multiple interlocking type pier column mold, which is a pier column mold for a circular pier, includes: the device comprises a left column mould 1, a right column mould 2, a linkage rod 3 and a telescopic device 4;
the left column mould 1 and the right column mould 2 are both semicircular steel column moulds; flanges are arranged at the upper end and the lower end of the vertical surface of the left column mould 1 and the right column mould 2, and flange screw holes I13 and flange screw holes II 23 are arranged on the flanges of the left column mould 1 and the right column mould 2; a plurality of rib plates and transverse ribs are arranged between the flanges at the upper end and the lower end;
the left column mould 1 is provided with two linkage rod sliding parts 11; the two linkage rod sliding parts 11 are respectively arranged at two ends of the semicircular steel column die;
the linkage rod sliding part 11 mainly comprises a plurality of support frames provided with linkage rod sliding holes;
one or more linkage locking parts 21 are arranged at the end parts of the two ends of the right column die 2; each linkage locking part 21 mainly comprises a lock pin slideway and a lock pin fixing hole;
the two linkage rod sliding parts 11 are respectively provided with a linkage rod 3;
the linkage rod 3 is formed by coaxially and fixedly connecting one or more stepped shafts; the linkage rod 3 is provided with at least one lock pin frame 31 and a telescopic connecting part 32; the locking pin shaft 311 is arranged on the locking pin frame 31;
the lock pin frame 31 and the telescopic connecting part 32 are respectively arranged at two sides of the linkage rod 3;
a connecting frame 33 is also arranged between the two linkage rods 3;
the connecting frame 33 is a circular frame, and a plurality of locking pin shafts 311 are arranged on the circular frame;
the telescopic equipment 4 is a hydraulic cylinder or an electric push rod; the telescopic equipment 4 is parallel to the linkage rod 3;
the top end of a piston rod in the hydraulic cylinder or the electric push rod is fixedly connected with the telescopic connecting part 32; the lower end of a hydraulic cylinder or an electric push rod is fixed on the left column die 1
The articulated shaft 12 on the left column mould 1 is in shaft joint with the articulated butt joint part 22 on the right column mould 2 and is fixed through the articulated shaft 24; the linkage rod 3 is coupled in the linkage rod sliding part 11;
the locking pin shaft 311 is locked or separated from the locking pin fixing hole and the flange screw hole I13 and/or the flange screw hole II 23 through the telescopic equipment 4;
the power supply of the telescopic equipment 4 adopts external power supply and control cable power supply, the power supply of the telescopic equipment 4 is realized through the power supply and the control cable, the control cable in the cable is connected with the control end, and the control end controls the telescopic equipment 4 to stretch.
Embodiment 5 bridge pier column model building method
The utility model provides a pier column mould builds method, its chooses for use articulated pier column mould to carry out the column mould to build, and concrete step is as follows:
1) fixing the bottom column mold; firstly, sleeving a right column mold 2 arranged on a bottom pier on one side of a pier steel frame needing concrete building; the right column mould 2 is fixedly connected with the abutment or a fixed datum plane;
2) the column mould is hinged, and a hinged shaft 12 on the left column mould 1 is connected with a hinged shaft at one end of a hinged butt joint part 22 on the right column mould 2;
3) sleeving the column mold, namely sleeving the hinged pier column mold on a pier steel frame needing concrete construction;
4) linkage locking; starting the telescopic equipment 4 to control the linkage rod 3 on the left column formwork 1 to move downwards, and locking pin shafts 311 on the linkage rod 3 are locked in the locking pin fixing holes 212 on the right column formwork 2;
5) fixing the upper layer column formwork; repeating the step 1, and lifting the hinged pier column mould to the position above the bottom column mould or the position above the column mould to be superposed; the openings and the hinge shafts of the upper layer column mould and the lower layer or the bottom layer column mould are arranged in a staggered manner, so that the flange butt joint bolt holes of the upper layer column mould and the lower layer column mould are ensured to be in one-to-one correspondence;
6) linkage locking; starting the telescopic equipment 4 to control the linkage rod 3 on the left column formwork 1 to move downwards, and locking pin shafts 311 at the lower end of the linkage rod 3 lock the locking pin fixing holes 212 and also lock the locking pin fixing holes in the flange butt joint bolt holes of the lower layer or the bottom layer column formwork downwards;
7) strengthening and locking; after the column molds of the upper layer and the lower layer are linked and locked, the flanges are fixedly connected through connecting bolt locks in a reinforcing way; and after the upper layer column formwork and the lower layer column formwork are locked, constructing the upper layer column formwork or constructing the concrete of the bridge pier.
Embodiment 6 bridge pier column formwork building method
Referring to fig. 9, a method for building a pier column mold selects a double-locking pier column mold or a multiple-locking pier column mold to build the column mold, and comprises the following specific steps:
1) fixing the bottom column mold; firstly, sleeving a right column mold 2 arranged on a bottom pier on one side of a pier steel frame needing concrete building; the right column mould 2 is fixedly connected with the abutment or a fixed datum plane;
2) butt-jointing a left column mould 1 arranged on a bottom pier with a right column mould 2 of the bottom pier, so that the left column mould 1 and the right column mould 2 are sleeved on a pier steel frame needing concrete construction;
3) linkage locking; starting the telescopic equipment 4 to control the linkage rod 3 on the left column formwork 1 to move downwards, and locking pin shafts 311 on the linkage rod 3 are locked in the locking pin fixing holes 212 on the right column formwork 2;
4) fixing the upper layer column formwork; lifting the right column form 2 to the upper part of the bottom column form or the column form to be superposed, wherein the openings of the upper column form and the lower or bottom column form are arranged in a staggered way; then repeating the column die butt joint of the step 2, and ensuring that the flange butt joint bolt holes of the upper and lower layer column dies are in one-to-one correspondence;
5) linkage locking; starting the telescopic equipment 4 to control the linkage rod 3 on the left column formwork 1 to move downwards, and locking pin shafts 311 at the lower end of the linkage rod 3 lock the locking pin fixing holes 212 and simultaneously lock the locking pin fixing holes downwards in flange butt joint bolt holes of the lower layer or bottom layer column formwork;
6) strengthening and locking; after the column molds of the upper layer and the lower layer are linked and locked, the flanges are reinforced and fixedly connected through the connecting bolts 5; and after the upper layer column formwork and the lower layer column formwork are locked, constructing the upper layer column formwork or constructing the concrete of the bridge pier.
Embodiment 7 bridge pier column mold dismantling method
The method for dismantling the pier column mold comprises the following specific steps:
1) dismantling and strengthening locking; screwing off the connecting bolt 5 which is firmly connected with the flange; when the operation is carried out by a constructor, the constructor unscrews the connecting bolt 5, and can leave after fixedly connecting the lifting equipment (crane) with the column formwork;
2) linkage locking; starting the telescopic equipment 4 to control the linkage rod 3 on the left column mould 1 to move upwards, and separating the locking pin shaft 311 from the locking pin fixing hole 212 and/or the flange butt joint bolt hole;
3) disassembling the column mould; and hoisting the column mould away from the pier through hoisting equipment.

Claims (6)

1. The utility model provides a pier column mould which characterized in that, it includes: the device comprises a left column mould (1), a right column mould (2), a linkage rod (3) and a telescopic device (4);
one end of the left column mould (1) is provided with a linkage rod sliding part (11); the linkage rod (3) is coupled in the linkage rod sliding part (11) in a shaft manner; a plurality of locking pin frames (31) are arranged on the linkage rod (3), and locking pin shafts (311) are arranged on the locking pin frames (31);
one end of the right column mould (2) is provided with a plurality of linkage locking parts (21); a lock pin fixing hole (212) is arranged on the linkage locking part (21); the lock pin frame (31) corresponds to the linkage locking part (21); the other end of the left column mould (1) is hinged with the other end of the right column mould (2); the linkage rod (3) is also provided with a telescopic connecting part (32); the body of the telescopic equipment (4) is fixed on the left column mould (1), and a telescopic rod of the telescopic equipment (4) is connected with the telescopic connecting part (32); the telescopic equipment (4) controls the linkage rod (3) to move up and down.
2. The pier column mold according to claim 1, wherein: the other end of the left column mould (1) is the same as one end of the right column mould (2), and the other end of the right column mould (2) is the same as one end of the left column mould (1).
3. The pier column mold according to claim 2, wherein: the linkage locking part (21) is provided with a lock pin slideway (211).
4. The pier column mold according to claim 1, 2 or 3, wherein: the left column mould (1) and the right column mould (2) are semicircular column moulds or rectangular column moulds; and the upper end and the lower end of the left column mould (1) and the right column mould (2) are both provided with connecting flanges.
5. The pier column mold according to claim 4, wherein: and a locking pin shaft (311) at the lower end of the linkage rod (3) is in clearance fit with a flange screw hole.
6. The pier column mold according to claim 5, wherein: the telescopic equipment (4) is a hydraulic cylinder.
CN202020988454.5U 2020-06-03 2020-06-03 Pier column mould Active CN212335785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020988454.5U CN212335785U (en) 2020-06-03 2020-06-03 Pier column mould

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Application Number Priority Date Filing Date Title
CN202020988454.5U CN212335785U (en) 2020-06-03 2020-06-03 Pier column mould

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CN212335785U true CN212335785U (en) 2021-01-12

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Application Number Title Priority Date Filing Date
CN202020988454.5U Active CN212335785U (en) 2020-06-03 2020-06-03 Pier column mould

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114592430A (en) * 2022-02-16 2022-06-07 中铁六局集团有限公司 Concrete pier template assembling equipment and using method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114592430A (en) * 2022-02-16 2022-06-07 中铁六局集团有限公司 Concrete pier template assembling equipment and using method thereof

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