CN213171304U - Prestressing force jack removes erection equipment - Google Patents
Prestressing force jack removes erection equipment Download PDFInfo
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- CN213171304U CN213171304U CN202021440891.XU CN202021440891U CN213171304U CN 213171304 U CN213171304 U CN 213171304U CN 202021440891 U CN202021440891 U CN 202021440891U CN 213171304 U CN213171304 U CN 213171304U
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Abstract
The utility model provides a prestressing force jack removes erection equipment, relates to prestressing force concrete placement technical field, including base and roof-rack the base with install elevating system between the roof-rack, elevating system is used for control the lift of roof-rack hoisting mechanism is installed to the roof-rack lower extreme, hoisting mechanism includes transfer chain and two at least lifting hooks, the horizontal angle of transfer chain is adjustable, the lifting hook is installed on the transfer chain, and the lifting hook can be followed the transfer chain direction removes. The utility model discloses can remove and angularly adjustable to prestressing force jack, make prestressing force jack simple to operate, the security is high and efficient.
Description
Technical Field
The utility model relates to a prestressed concrete placement technical field, concretely relates to prestressing force jack removes erection equipment.
Background
The prestressed concrete structure is characterized in that before the structure bears load, pressure is applied to concrete in advance during pouring, and in this way, tensile stress generated inside the concrete structure under the action of external load is counteracted. Therefore, the prestressed concrete continuous bridge has the advantages of small deformation caused by load, good structural stress performance, reduction of generated expansion joints, simpler shape, strong power disturbance resistance, smooth and comfortable driving, small maintenance work amount and the like, and is increasingly applied to the prestressed concrete continuous bridge in recent years.
The prestressed concrete pouring comprises a pre-tensioning method and a post-tensioning method, wherein the post-tensioning method is a construction method for firstly pouring concrete and then tensioning prestressed steel to form a prestressed concrete member after the concrete reaches over 75% of the designed strength, and specifically comprises the following steps: firstly, manufacturing a member (pouring concrete), reserving a corresponding hole channel in the member body according to the position of a prestressed tendon, penetrating the prestressed tendon into the reserved hole channel for tensioning after the concrete strength of the member reaches the specified strength (generally not lower than 75% of the design strength standard value), anchoring the tensioned prestressed tendon at the end part of the member by using an anchorage device at the end part of the member, and transmitting the pretensioning force of the prestressed tendon to the concrete by using the anchorage device at the end part of the member to generate the prestress; and finally, pouring cement slurry into the pore channel to enable the prestressed tendons and the concrete member to form a whole.
The prestressed tendons are usually steel tendons, and stress concentration positions are taken as distribution points during distribution, so that the prestressed tendons are usually distributed in a curve shape, the reserved hole angle is not vertical to the side face of the concrete member, and the tensioning direction of the prestressed tendons is consistent with the hole direction.
Because the tensioning process of the prestressed tendons is complex and high in quality requirement, and the prestressed jacks used for tensioning are heavy, about 200kg-300kg, in the traditional method, an operator needs to manually drag the prestressed jacks, and the supports are erected for multiple times to be manually installed by using the chain block to hoist the prestressed jacks, the hoisting holes are reserved in the top plate when box girders are required to be poured during box indoor tensioning, and the supports are erected above the hoisting holes again to be manually installed by using the chain block to hoist the prestressed jacks, so that the material and labor cost are increased in the construction process, the installation quality and efficiency are not high, and the potential safety hazard is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the utility model provides a prestressing force jack removes erection equipment can remove and angularly adjustable to prestressing force jack, makes prestressing force jack simple to operate, and the security is high and efficient.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a prestressing force jack removes erection equipment, includes base and roof-rack the base with install elevating system between the roof-rack, elevating system is used for control the lift of roof-rack hoisting machine constructs is installed to the roof-rack lower extreme, hoisting machine constructs including transfer chain and two at least lifting hooks, the horizontal angle of transfer chain is adjustable, the lifting hook is installed on the transfer chain, and the lifting hook can be followed the transfer chain direction removes.
Preferably, the hoisting mechanism comprises two fixed chain wheels and two adjusting chain wheels, the two fixed chain wheels are respectively installed at two ends of the top frame, one of the fixed chain wheels is a power wheel and is connected with a motor, the two adjusting chain wheels are respectively installed at the lower ends of the two fixed chain wheels, a chain is wound on the four chain wheels for transmission, the conveying line is a chain part between the two adjusting chain wheels, and the lifting hook is fixedly installed on the chain; the adjusting chain wheel is installed on a vertical adjusting mechanism, and the vertical adjusting mechanism can control the adjusting chain wheel to vertically move. Two fixed sprocket horizontal installation and fixed relatively, two adjusting sprocket install the lower extreme at two fixed sprocket to vertical adjustment mechanism can control reciprocating of adjusting sprocket, consequently can adjust the horizontal contained angle of transfer chain, thereby adjust the hoist and mount inclination of hoisting the prestressing force jack on the lifting hook, make hoist and mount installation simple and convenient.
Preferably, tensioning wheels are respectively installed between the vertically opposite fixed chain wheels and the vertically opposite adjusting chain wheels, the chain is wound on the tensioning wheels, the tensioning wheels are installed on the transverse adjusting mechanism, and the transverse adjusting mechanism can control the tensioning wheels to transversely move. The take-up pulley setting can increase the length of chain, consequently can increase the vertical shift position of adjusting sprocket to can increase the control range of transfer chain horizontal included angle.
Preferably, the vertical adjusting mechanism comprises a first sliding groove vertically installed at the lower end of the top frame, a first sliding block is installed in the first sliding groove and vertically slides, a first screw rod is installed in the first sliding groove in a rotating mode, the first sliding block is sleeved on the first screw rod in a threaded connection mode, a first motor is installed at one end of the first screw rod and serves as a power source, and the adjusting chain wheel is installed on the first sliding block. The first sliding block can be driven to vertically move along the first sliding groove through rotation of the screw rod, and therefore the adjusting chain wheel mounted on the first sliding block can vertically move to adjust.
Preferably, the transverse adjusting mechanism comprises a second sliding chute horizontally mounted at the lower end of the top frame, a second sliding block is mounted in the second sliding chute and horizontally slides, a second lead screw is rotatably mounted in the second sliding chute, the second sliding block is sleeved on the second lead screw in a threaded connection manner, a second motor is mounted at one end of the second lead screw and serves as a power source, and the tensioning wheel is mounted on the second sliding block. The rotation of the second screw rod can drive the second sliding block to horizontally move along the second sliding groove, so that the tensioning wheel arranged on the second sliding block can horizontally move to adjust.
Preferably, hoisting mechanism still includes the frame track, the transfer chain does the frame track the downward fixed mounting of one end of roof-rack has the pole setting, the orbital one end tip of frame with the articulated connection of lower extreme of connecting rod the articulated vertical electric putter of installing of lower extreme of roof-rack, electric putter's tip articulates on the frame track install along the running gear of frame orbital motion on the frame track, lifting hook fixed mounting is in on the running gear. The vertical extension of the electric push rod can drive the frame rail to rotate around the lower end part of the vertical rod, so that the horizontal included angle of the frame rail can be adjusted, the hoisting inclination angle of the prestress jack hoisted on the lifting hook is adjusted, and the hoisting installation is simple and convenient.
Preferably, the track structure on the frame track is two racks, the traveling mechanism comprises a support plate and four gears serving as wheels, the gears are arranged on the support plate in four corners, a third motor is arranged on the support plate, and the third motor provides power for the gears; the lifting hook is fixedly arranged on the lower end face of the supporting plate. The four gears are meshed on the rack, and the motor three drives the gears to rotate, so that the whole travelling mechanism moves along the rack, and the hoisting prestress jack can be driven to move along the direction of the rack.
Preferably, the lifting mechanism comprises a plurality of groups of telescopic units, each telescopic unit comprises two cross hinged connecting rods, and the end parts of the adjacent telescopic units are hinged; one end part of two connecting rods of the telescopic unit at the uppermost end is hinged on the top frame, and the other end part of the two connecting rods is hinged on the top frame and can move along the top frame; one end of the two connecting rods of the telescopic unit at the lowest end is hinged on the base, the other end is connected to the cross rod of the base in a cross mode, the base is provided with a scissor jack, the scissor jack can drag the cross rod to move, and the moving direction is perpendicular to the hinged shaft of the telescopic unit.
Preferably, one side of roof-rack is articulated with the guard plate upper end, the lower extreme of guard plate is hung through chain block on the side of base, the guard plate face is located on the side that transfer chain one end tip corresponds. The protection plate has a protection effect when the prestressed jack is used for tensioning operation, and the anchorage device and the prestressed tendons are prevented from flying out to hurt people when accidents happen.
Preferably, the four corners of the base are provided with self-locking wheels.
The utility model has the advantages of include: the lifting mechanism controls the lifting of the top frame, the scissor jack pushes and pulls the cross rod, and the lifting of the top frame is realized by the telescopic unit connected with the cross rod, so that the prestressed jack can be hoisted for transportation and installation; the conveying line of the hoisting mechanism can be used as a conveying track to adjust the inclination angle of the hoisting prestress jack and enable the prestress jack to move along a certain inclination angle, so that the prestress jack is consistent with the pore channel angle during installation, the installation precision and efficiency are greatly improved, the operation is simple, convenient and flexible, one person can transport and install the prestress jack, and a large amount of labor cost is saved.
Drawings
Fig. 1 is a schematic view of a mobile installation device of a prestressed jack according to an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the hoisting mechanism of the prestress jack mobile installation device in embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of the vertical adjustment mechanism in fig. 2.
Fig. 4 is a schematic structural view of the lateral adjustment mechanism in fig. 2.
Fig. 5 is a front view schematically showing the elevating mechanism of fig. 1.
Fig. 6 is a schematic bottom view of the structure of fig. 5.
Fig. 7 is a structural diagram of a state of the temporary prestressing jack moving on the transportation line in the use mode of embodiment 1 of the present invention.
Fig. 8 is a structural schematic diagram of a state of the use mode of the utility model 1 after the prestressed jack is sleeved on the prestressed tendon for one time.
Fig. 9 is a structural diagram of a state of the prestressed jack moving on the transportation line in the second usage mode of embodiment 1 of the present invention.
Fig. 10 is a structural diagram of a state of the prestressed jack sleeved on a prestressed tendon in the second usage mode of the present invention in embodiment 1.
Fig. 11 is a schematic view of a hoisting mechanism of a prestressed jack mobile installation device according to the embodiment of the present invention.
Fig. 12 is a schematic top view of the traveling mechanism.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
The invention is further described with reference to the following figures and examples.
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The utility model provides a 9 removal erection equipment on prestressing force jack, includes base 1 and roof-rack 2 the four corners position of base 1 is installed from locking wheel 3 and is used for removing whole equipment base 1 with install elevating system 4 between the roof-rack 2, elevating system 4 is used for control the lift of roof-rack 2 hoisting mechanism 5 is installed to 2 lower extremes of roof-rack, hoisting mechanism 5 includes transfer chain 52 and two lifting hooks 51, lifting hook 51 is connected for the chain, the horizontal angle of transfer chain 52 is adjustable, lifting hook 51 installs on the transfer chain 52, and lifting hook 51 can follow the removal of transfer chain 52 direction.
The hoisting mechanism 5 further comprises two fixed chain wheels 53 and two adjusting chain wheels 54, the two fixed chain wheels 53 are respectively installed at two ends of the top frame 2, one fixed chain wheel 53 is a power wheel and is connected with a motor, the two adjusting chain wheels 54 are respectively installed at the lower ends of the two fixed chain wheels 53, a chain 55 is wound on the four chain wheels for transmission, the conveying line 52 is a chain part between the two adjusting chain wheels 54, and the lifting hook 51 is fixedly installed on the chain 55; the adjusting chain wheel 54 is mounted on a vertical adjusting mechanism 56, and the vertical adjusting mechanism 56 can control the adjusting chain wheel 54 to vertically move. In addition, a tension pulley 57 is installed between the fixed sprocket 53 and the adjusting sprocket 54 which are vertically opposite, the chain 55 is wound on the tension pulley 57, the tension pulley 57 is installed on a lateral adjusting mechanism 58, and the lateral adjusting mechanism 58 can control the tension pulley 57 to move laterally.
The embodiment of the utility model provides an in, hoisting machine constructs 5's effect and principle and is: the two fixed chain wheels 53 are relatively horizontally installed and fixed, the two adjusting chain wheels 54 are installed at the lower ends of the two fixed chain wheels 53, and the vertical adjusting mechanism 56 can control the adjusting chain wheels 54 to move up and down, so that the horizontal included angle of the conveying line 52 can be adjusted, the lifting inclination angle of the prestress jack 9 lifted on the lifting hook 51 is adjusted, and the lifting installation is simple and convenient; and the length of the chain 55 can be increased by arranging the tension wheel 57, so that the vertical moving position of the adjusting chain wheel 54 can be increased, and the adjusting range of the horizontal included angle of the conveying line 52 can be enlarged.
Further, in the embodiment of the present invention, the vertical adjusting mechanism 56 includes a first 561 sliding slot vertically installed at the lower end of the top frame 2, a first 562 sliding block is installed in the first 561 sliding slot to vertically slide, a first 563 screw rod is rotatably installed in the first 561 sliding slot, the first 562 sliding block is screwed on the first 563 screw rod, a first 564 motor is installed at one end of the first 563 screw rod as a power source, and the adjusting sprocket 54 is installed on the first 562 sliding block. The first lead screw 563 rotates to drive the first slide block 562 to vertically move along the first sliding groove 561, so that the adjusting chain wheel 54 mounted on the first slide block 562 can move up and down to be adjusted.
Further, in the embodiment of the present invention, the lateral adjusting mechanism 58 includes a second sliding chute 581 horizontally installed at the lower end of the top frame 2, a second sliding block 582 is installed in the second sliding chute 581 to horizontally slide, a second lead screw 583 is rotatably installed in the second sliding chute 581, the second sliding block 582 is screwed and sleeved on the second lead screw 583, a second motor 584 is installed at one end of the second lead screw 583 as a power source, and the tensioning wheel 57 is installed on the second sliding block 582. The second lead screw 583 can drive the second slide block 582 to horizontally move along the second slide groove 581, so that the tension wheel 57 mounted on the second slide block 582 can horizontally move for adjustment.
Further, in the present embodiment of the invention, the lifting mechanism 4 (since the lifting mechanism cannot be fully drawn out of a drawing, reference numeral 4 is not shown in the drawing) includes a plurality of sets of telescopic units, the telescopic units include two cross-hinged connecting rods 41, and the end portions of adjacent telescopic units are hinged; one end part of two connecting rods 41 of the telescopic unit at the uppermost end is hinged on the top frame 2, and the other end part is hinged on the top frame 2 and can move along the top frame 2; one end of the two connecting rods 41 of the lowest telescopic unit is hinged on the base 1, the other end is connected with a cross rod 43 of the base 1 in a cross mode, a scissor jack 42 is installed on the base 1, and the scissor jack 42 can drag the cross rod 43 to move in a direction perpendicular to the hinged shaft of the telescopic unit.
Further, in the utility model discloses in the embodiment, one side of roof-rack 2 is articulated with 6 upper ends of guard plate, 6 lower extremes of guard plate hang through chain block 7 on the side of base 1, 6 faces of guard plate are located on the side that transfer chain 52 one end tip corresponds. The protection plate 6 has a protection effect when the prestressed jack 9 is used for tensioning operation, and prevents the anchorage device and the prestressed tendons 8 from flying out to hurt people when accidents happen.
The utility model discloses application method does: the equipment moves to the position above the prestressed jack 9, the scissor jack 42 retracts, the lifting mechanism 4 descends, the lifting hook 51 is hung on the prestressed jack 9, the lifting mechanism 4 ascends to lift the prestressed jack 9, the adjusting chain wheel 54 and the tensioning wheel 57 move, the horizontal included angle of the conveying line 52 is adjusted to be the same as the horizontal included angle of the prestressed tendon 8, the driving chain 55 moves, the prestressed jack 9 moves along the conveying line 52 until the prestressed jack 9 is sleeved on the prestressed tendon 8, and the prestressed jack 9 is fixedly installed and then tensioned; in the present embodiment, as shown in fig. 7 to 10, two typical usage modes are given by taking two inclination angle modes of the tendon 8 as an example, wherein fig. 7 to 8 are state structure diagrams of a first usage mode, and fig. 9 to 10 are state structure diagrams of a second usage mode.
The embodiment of the utility model provides an advantage that has includes: the lifting mechanism 4 controls the lifting of the top frame 2, the cross rod 43 is pushed and pulled through the scissor jack 42, and the lifting of the top frame 2 is realized by the telescopic unit connected with the cross rod 43, so that the prestressed jack 9 can be lifted for transportation and installation; the conveying line 52 of the hoisting mechanism 5 can be used as a conveying track to adjust the inclination angle of the hoisting prestress jack 9 and enable the prestress jack 9 to move along a certain inclination angle, so that the prestress jack 9 is consistent with the pore channel angle during installation, the installation precision and efficiency are greatly improved, the operation is simple, convenient and flexible, one person can transport and install the prestress jack 9, and a large amount of labor cost is saved.
Example 2
The structure and the connection relation of the embodiment 2 and the embodiment 1 are the same, and only the hoisting mechanism 5 has a difference, so the structure and the connection relation of the hoisting mechanism 5 are specifically as follows:
Further, in the embodiment of the utility model, hoisting mechanism 5 still includes frame track 59, transfer chain 52 does frame track 59 the downward fixed mounting of one end of roof-rack 2 has pole setting 510, frame track 59's one end tip with the articulated connection of lower extreme of connecting rod 41 the articulated vertical electric putter 512 of installing of lower extreme of roof-rack 2, electric putter 512's tip articulates on frame track 59 install the running gear 513 that removes along frame track 59 on the frame track 59, lifting hook 51 fixed mounting be in on the running gear 513. The electric push rod 512 can vertically extend and retract to drive the frame rail 59 to rotate around the lower end part of the vertical rod 510, so that the horizontal included angle of the frame rail 59 can be adjusted, the hoisting inclination angle of the prestress jack 9 hoisted on the lifting hook 51 can be adjusted, and the hoisting installation is simple and convenient.
Further, in the embodiment of the present invention, the track structure on the frame track 59 is two racks, the traveling mechanism 513 includes a support plate 5131 and four gears 5132 as wheels, the gears 5132 are installed on the support plate 5131 in a four-corner arrangement, a motor iii 5133 is installed on the support plate 5131, and the motor iii 5133 provides power for the gears 5132; the hook 51 is fixedly installed on the lower end surface of the support plate 5131. The four gears 5132 are engaged with the rack, and the motor 5133 drives the gears 5132 to rotate, so that the whole travelling mechanism 513 moves along the rack, and the hoisting prestress jack 9 can move along the direction of the rack.
The utility model discloses application method does: the equipment moves to the upper side of the prestressed jack 9, the scissor jack 42 retracts, the lifting mechanism 4 descends, the lifting hook 51 is hung on the prestressed jack 9, the lifting mechanism 4 ascends to lift the prestressed jack 9, the electric push rod 512 stretches out and draws back to adjust the horizontal included angle of the frame rail 59 to be the same as the horizontal included angle of the prestressed rib 8, the motor 5133 drives the gear 5132 to move along the rack, the prestressed jack 9 moves along the direction of the rack until the prestressed jack 9 is sleeved on the prestressed rib 8, and the prestressed jack 9 is fixedly installed and then tensioned.
The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described above with reference to the preferred embodiments, but the scope of protection of the present invention is not limited thereto, and all technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.
Claims (10)
1. The utility model provides a prestressing force jack removes erection equipment, a serial communication port, includes base and roof-rack the base with install elevating system between the roof-rack, elevating system is used for control the lift of roof-rack hoisting mechanism is installed to the roof-rack lower extreme, hoisting mechanism includes transfer chain and two at least lifting hooks, the horizontal angle of transfer chain is adjustable, the lifting hook is installed on the transfer chain, and the lifting hook can be followed the transfer chain direction removes.
2. The prestress jack mobile installation equipment of claim 1, wherein the hoisting mechanism comprises two fixed chain wheels and two adjusting chain wheels, the two fixed chain wheels are respectively installed at two ends of the top frame, one of the fixed chain wheels is a power wheel and is connected with a motor, the two adjusting chain wheels are respectively installed at the lower ends of the two fixed chain wheels, a chain is wound on the four chain wheels for transmission, the conveying line is a chain part between the two adjusting chain wheels, and the lifting hook is fixedly installed on the chain; the adjusting chain wheel is installed on a vertical adjusting mechanism, and the vertical adjusting mechanism can control the adjusting chain wheel to vertically move.
3. The pre-stressed jack mobile mounting apparatus of claim 2, wherein a tensioning wheel is mounted between each of said vertically opposed fixed sprocket and said adjusting sprocket, said chain being wound around said tensioning wheel, said tensioning wheel being mounted on a lateral adjustment mechanism, said lateral adjustment mechanism being capable of controlling lateral movement of said tensioning wheel.
4. The prestress jack moving and mounting device as claimed in claim 2, wherein the vertical adjusting mechanism comprises a first sliding groove vertically mounted at the lower end of the top frame, a first sliding block is mounted in the first sliding groove and vertically slides, a first lead screw is rotatably mounted in the first sliding groove, the first sliding block is sleeved on the first lead screw in a threaded connection manner, a first motor is mounted at one end of the first lead screw and serves as a power source, and the adjusting chain wheel is mounted on the first sliding block.
5. The prestress jack moving and mounting device of claim 3, wherein the transverse adjusting mechanism comprises a second sliding groove horizontally mounted at the lower end of the top frame, a second sliding block is mounted in the second sliding groove and horizontally slides, a second lead screw is rotatably mounted in the second sliding groove, the second sliding block is sleeved on the second lead screw in a threaded connection manner, a second motor is mounted at one end of the second lead screw and serves as a power source, and the tensioning wheel is mounted on the second sliding block.
6. The prestress jack mobile installation equipment of claim 1, wherein the hoisting mechanism further comprises a frame rail, the conveying line is the frame rail, a vertical rod is fixedly installed downwards at one end of the top frame, one end of the frame rail is hinged to the lower end of the vertical rod, a vertical electric push rod is hinged to the lower end of the top frame, the end of the electric push rod is hinged to the frame rail, a traveling mechanism which moves along the frame rail is installed on the frame rail, and the lifting hook is fixedly installed on the traveling mechanism.
7. The prestress jack mobile installation equipment of claim 6, wherein the track structure on the frame track is two racks, the traveling mechanism comprises a support plate and four gears as wheels, the gears are arranged at four corners of the support plate, a third motor is arranged on the support plate, and the third motor provides power for the gears; the lifting hook is fixedly arranged on the lower end face of the supporting plate.
8. The pre-stress jack mobile mounting device of any one of claims 1-7, wherein the lifting mechanism comprises a plurality of sets of telescoping units, the telescoping units comprising two cross-hinged links, the ends of adjacent telescoping units being hinged; one end part of two connecting rods of the telescopic unit at the uppermost end is hinged on the top frame, and the other end part of the two connecting rods is hinged on the top frame and can move along the top frame; one end of the two connecting rods of the telescopic unit at the lowest end is hinged on the base, the other end is connected to the cross rod of the base in a cross mode, the base is provided with a scissor jack, the scissor jack can drag the cross rod to move, and the moving direction is perpendicular to the hinged shaft of the telescopic unit.
9. The prestress jack mobile installation equipment of claim 8, wherein one side of the top frame is hinged to the upper end of a protection plate, the lower end of the protection plate is hung on the side edge of the base through a chain block, and the plate surface of the protection plate is located on the side surface corresponding to the end part of one end of the conveying line.
10. The pre-stress jack mobile mounting apparatus of claim 9, wherein self-locking wheels are mounted at four corners of said base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440891.XU CN213171304U (en) | 2020-07-20 | 2020-07-20 | Prestressing force jack removes erection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440891.XU CN213171304U (en) | 2020-07-20 | 2020-07-20 | Prestressing force jack removes erection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213171304U true CN213171304U (en) | 2021-05-11 |
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ID=75794267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021440891.XU Withdrawn - After Issue CN213171304U (en) | 2020-07-20 | 2020-07-20 | Prestressing force jack removes erection equipment |
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| Country | Link |
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| CN (1) | CN213171304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027966A (en) * | 2020-07-20 | 2020-12-04 | 中建筑港集团有限公司 | Prestressing force jack removes erection equipment |
-
2020
- 2020-07-20 CN CN202021440891.XU patent/CN213171304U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027966A (en) * | 2020-07-20 | 2020-12-04 | 中建筑港集团有限公司 | Prestressing force jack removes erection equipment |
| CN112027966B (en) * | 2020-07-20 | 2022-06-10 | 中建筑港集团有限公司 | Prestressing force jack removes erection equipment |
| CN114803935A (en) * | 2020-07-20 | 2022-07-29 | 中建筑港集团有限公司 | A prestressing force jack erection equipment for prestressed concrete stretch-draw |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210511 Effective date of abandoning: 20220610 |