CN210066518U - Anchor puller - Google Patents
Anchor puller Download PDFInfo
- Publication number
- CN210066518U CN210066518U CN201920603029.7U CN201920603029U CN210066518U CN 210066518 U CN210066518 U CN 210066518U CN 201920603029 U CN201920603029 U CN 201920603029U CN 210066518 U CN210066518 U CN 210066518U
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- Prior art keywords
- fork
- ear
- lug
- steel
- girder steel
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses an anchor puller, including left fork ear, right fork ear and screw-thread steel, left side fork ear is equipped with left girder steel fork groove, right side fork ear is equipped with right girder steel fork groove, right side girder steel fork groove with left side girder steel fork groove sets up relatively, the fixed left ear that draws that is equipped with in left side fork ear bottom, the fixed right ear that draws that is equipped with in right side fork ear bottom, screw-thread steel's left end pass through threaded fastener with a left side draws ear fixed connection, screw-thread steel's right-hand member pass through threaded fastener with right side draws ear fixed connection, left side fork ear with it perforates to be equipped with the steel strand wires on the right side fork ear respectively, can solve the insecure technical problem of in-process steel strand wires and girder steel connection at the top push away girder steel.
Description
Technical Field
The utility model relates to a bridge construction equipment technical field especially relates to an anchor pulling device.
Background
Due to the urgent need of the riverside city for river-crossing traffic, the cable-stayed bridge with large crossing capability, beautiful appearance and modern sense becomes the first choice of the river-crossing and river-crossing bridge type in China, and the construction range and the scale are continuously expanded.
With the continuous promotion of highway construction in China, as highways with better construction conditions are basically built or put into use, more highway projects needing to be planned and about to be built appear in mountainous and heavy hill areas with complex terrain and landform conditions, the construction conditions are complex, and serious obstacles are caused to the construction of large bridges. How to build a large bridge in a mountainous area with complex terrain conditions and severe traffic conditions has become an important research direction.
The side span steel beam is constructed by adopting a pushing method, and because the pushing spanning capacity of the steel beam is limited, temporary piers are required to be arranged between permanent piers, and the temporary piers play a temporary supporting role on the beam body in the pushing construction process, so that the beam body is smoothly pushed to the next buttress.
In order to move the steel beam along the slideway beam, the steel strand is required to be pulled to slide through the steel strand and the steel beam by the jack, so that a device which is simple in structure, convenient to install and reliable in work and is used for firmly connecting and fixing the steel strand and the steel beam together is required to be arranged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides an anchor pulling device to solve the technical problem that the in-process steel strand wires and girder steel are connected insecurely at the top pushes away the girder steel.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an anchor puller, includes left fork ear, right fork ear and twisted steel, left side fork ear is equipped with left girder steel fork groove, right side fork ear is equipped with right girder steel fork groove, left side girder steel fork groove with right girder steel fork groove sets up relatively, left side fork ear bottom is fixed to be equipped with a left side and to draw the ear, the fixed right side that is equipped with in right side fork ear bottom draws the ear, twisted steel's left end pass through threaded fastener with a left side draws ear fixed connection, twisted steel's right-hand member pass through threaded fastener with right side draws ear fixed connection, a left side fork ear with it perforates to be equipped with the steel strand on the right side fork ear respectively.
As an improved mode, the left fork ear includes first base, upper left otic placode and left lower otic placode, form left girder steel fork groove between upper left otic placode and the left lower otic placode, the right fork ear includes second base, upper right otic placode and right lower otic placode, form right girder steel fork groove between upper right otic placode and the right lower otic placode, first base with it perforates to be equipped with the steel strand on the second base respectively.
As an improved mode, the twisted steel is provided with 2, and the 2 twisted steel is arranged in parallel.
As an improved mode, a left lifting lug is arranged at the top of the left fork lug, a right lifting lug is arranged at the top of the right fork lug, and lifting holes are formed in the left lifting lug and the right lifting lug respectively.
As an improved mode, a reinforcing plate is fixedly arranged between the left lifting lug and the left fork lug, and a reinforcing plate is fixedly arranged between the right lifting lug and the right fork lug.
As an improved mode, a reinforcing plate is fixedly arranged between the left pulling lug and the left fork lug, and a reinforcing plate is fixedly arranged between the right pulling lug and the right fork lug.
The technical effect obtained by adopting the technical scheme is as follows:
in order to transmit the tensioning force of each jacking pier jack to a steel beam, a pair of anchor pulling devices are respectively installed below longitudinal beams on two sides of each jacking span inner steel beam and correspond to adjacent reaction frames used for providing the tensioning force in front, left and right fork lugs are respectively inserted to two sides of a longitudinal beam bottom plate when the anchor pulling devices are installed, then used finish-rolled threaded steel bars respectively penetrate through the left and right pull lugs and are pre-tensioned to complete installation, then steel strands penetrate through steel strand through holes of the left and right fork lugs phi 20, then single-hole anchors are installed to firmly connect the steel strands with the steel beam, and the steel beam can be pushed forwards by providing the tensioning force through jacks on the reaction frames. The anchor pulling device does not need welding, is convenient to disassemble and can be repeatedly installed.
Because twisted steel is equipped with 2, 2 twisted steel parallel arrangement sets up 2 twisted steel can strengthen the pulling force between the left and right fork ear.
Because the top of left fork ear is equipped with left lug, the top of right fork ear is equipped with right lug, left lug with right lug is equipped with the lewis hole respectively, welds stiffening plate lug on the fork ear about the anchor pulling ware, installs this kind of new-type lug on four feet departments on the girder steel bottom plate, and the portal crane just can four points or multiple point steadily lift by crane steel lattice roof beam. The novel lifting lug has the advantages of no need of welding, convenient disassembly and repeated installation, can be provided with a plurality of lifting points, is stable to lift, has large lifting weight, does not need welding and does not damage the steel lattice beam.
Because the reinforcing plate is fixedly arranged between the left lifting lug and the left fork lug, and the reinforcing plate is fixedly arranged between the right lifting lug and the right fork lug, enough pulling force can be provided.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a side of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a schematic side view of a second embodiment of the present invention;
11-left fork lug, 12-left lifting lug, 13-left pulling lug, 21-right fork lug, 22-right lifting lug, 23-right pulling lug, 3-twisted steel, 4-steel strand perforation and 5-lifting hole.
Detailed Description
Example one
As shown in fig. 1 and fig. 2 jointly, an anchor puller comprises a left fork ear 11, a right fork ear 21 and a twisted steel 3, wherein the left fork ear 11 is provided with a left steel beam fork groove, the right fork ear 21 is provided with a right steel beam fork groove, the right steel beam fork groove and the left steel beam fork groove are arranged oppositely, a left pull ear 13 is fixedly arranged at the bottom of the left fork ear 11, a right pull ear 23 is fixedly arranged at the bottom of the right fork ear 21, a reinforcing plate is fixedly arranged between the left pull ear 13 and the left fork ear 11, and a reinforcing plate is fixedly arranged between the right pull ear 23 and the right fork ear 21.
The left end of twisted steel 3 passes through threaded fastener and draws ear 13 fixed connection left, and twisted steel 3's right-hand member passes through threaded fastener and draws ear 23 fixed connection right, and in this embodiment, twisted steel 3 is equipped with 2, and 2 twisted steel 3 parallel arrangement sets up the pulling force of fork between the ear 21 about 2 twisted steel 3 can strengthen.
The left fork ear 11 and the right fork ear 21 are respectively provided with a steel strand perforation 4. In this embodiment, left side fork ear 11 includes first base, upper left otic placode and left lower otic placode, forms left girder steel fork groove between upper left otic placode and the left lower otic placode, and right fork ear 21 includes second base, upper right otic placode and right lower otic placode, forms right girder steel fork groove between upper right otic placode and the right lower otic placode, is equipped with steel strand wires on first base and the second base respectively and perforates 4.
A jack reaction frame is welded and installed at the end part of one side (midspan side) of each pushing pier slideway beam close to the advancing direction, the jack is placed on the reaction frame to serve as a force application point, and the force application of the jack provides the forward pulling force of the steel beam. Each slideway beam is provided with a pair of reaction frames, and each pushing pier is provided with two pairs of reaction frames. And a pair of anchor pulling devices are respectively arranged below the longitudinal beams on the two sides of each pushing span inner steel beam and correspond to the reaction frame adjacent to the front. A steel strand and an automatic tool anchor are adopted as a force transmission traction device between a jack of a force application point in each pushing span and an anchor pulling device of a force bearing point, and the length of the steel strand is not more than the pushing span. The force application points of the jack and the anchor pulling device are on the same straight line as much as possible and are parallel to the axis of the beam, and in order to eliminate the installation deviation of the jack and the anchor pulling device, the distance between the anchor pulling device and the jack, namely the length of the steel strand, is not suitable to be less than 3 m. And a steel strand retracting and releasing and cable reversing device is arranged at each jack, and the steel strands can be recycled.
Example two
As shown in fig. 3 and 4, the present embodiment has substantially the same structure as the first embodiment, except that a left lifting lug 12 is disposed on the top of the left fork ear 11, a right lifting lug 22 is disposed on the top of the right fork ear 21, a reinforcing plate is fixedly disposed between the left lifting lug 12 and the left fork ear 11, and a reinforcing plate is fixedly disposed between the right lifting lug 22 and the right fork ear 21, so as to ensure that sufficient tension can be provided.
The left lifting lug 12 and the right lifting lug 22 are respectively provided with a lifting hole 5, the left fork lug 21 and the right fork lug 21 of the anchor pulling device are welded with stiffening plate lifting lugs, the novel lifting lugs are arranged at four feet of a steel beam bottom plate, and the gantry crane can stably lift the steel lattice beam at four points or a plurality of points. The novel lifting lug has the advantages of no need of welding, convenient disassembly and repeated installation, can be provided with a plurality of lifting points, is stable to lift, has large lifting weight, does not need welding and does not damage the steel lattice beam.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments of the foregoing description and the appended claims.
Claims (6)
1. The utility model provides an anchor puller, its characterized in that, includes left fork ear, right fork ear and twisted steel, left side fork ear is equipped with left girder steel fork groove, right side fork ear is equipped with right girder steel fork groove, right side girder steel fork groove with left side girder steel fork groove sets up relatively, the fixed left side that is equipped with in left side fork ear bottom draws the ear, the fixed right side that is equipped with in right side fork ear bottom draws the ear, twisted steel's left end pass through threaded fastener with a left side draws ear fixed connection, twisted steel's right-hand member pass through threaded fastener with right side draws ear fixed connection, a left side fork ear with it perforates to be equipped with the steel strand on the right side fork ear respectively.
2. The anchor puller of claim 1, wherein the left fork lug comprises a first base, a left upper lug plate and a left lower lug plate, a left steel beam fork groove is formed between the left upper lug plate and the left lower lug plate, the right fork lug comprises a second base, a right upper lug plate and a right lower lug plate, a right steel beam fork groove is formed between the right upper lug plate and the right lower lug plate, and steel strand perforations are respectively arranged on the first base and the second base.
3. The anchor of claim 1, wherein there are 2 said rebar, 2 said rebar being arranged in parallel.
4. The anchor puller according to claim 1, wherein a left lifting lug is arranged at the top of the left fork lug, a right lifting lug is arranged at the top of the right fork lug, and the left lifting lug and the right lifting lug are respectively provided with a lifting hole.
5. The anchor puller according to claim 4, wherein a reinforcing plate is fixedly arranged between the left lifting lug and the left fork lug, and a reinforcing plate is fixedly arranged between the right lifting lug and the right fork lug.
6. The anchor puller according to claim 1, wherein a reinforcing plate is fixedly arranged between the left pulling lug and the left fork lug, and a reinforcing plate is fixedly arranged between the right pulling lug and the right fork lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920603029.7U CN210066518U (en) | 2019-04-29 | 2019-04-29 | Anchor puller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920603029.7U CN210066518U (en) | 2019-04-29 | 2019-04-29 | Anchor puller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210066518U true CN210066518U (en) | 2020-02-14 |
Family
ID=69449558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920603029.7U Expired - Fee Related CN210066518U (en) | 2019-04-29 | 2019-04-29 | Anchor puller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210066518U (en) |
-
2019
- 2019-04-29 CN CN201920603029.7U patent/CN210066518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 530200 No.21 Pingle Avenue, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 530011 Zhonghua Road 17, Xingning District, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: GUANGXI ROAD AND BRIDGE ENGINEERING GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |