CN202717558U - Spiral anchor retreating device - Google Patents
Spiral anchor retreating device Download PDFInfo
- Publication number
- CN202717558U CN202717558U CN 201220342361 CN201220342361U CN202717558U CN 202717558 U CN202717558 U CN 202717558U CN 201220342361 CN201220342361 CN 201220342361 CN 201220342361 U CN201220342361 U CN 201220342361U CN 202717558 U CN202717558 U CN 202717558U
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- top board
- sleeve pipe
- heavy wall
- ring shape
- wall external
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Abstract
The utility model relates to a special tool for installing large ultrahigh component equipment by applying a lifting jack and a steel strand to hoist, in particular to a spiral anchor retreating device. The spiral anchor retreating device comprises a hollow thick-wall outer spiral casing pipe, an adjustable annular nut, an annular pressure-bearing top plate, a single-direction thrust bearing and an assembly fastening bolt, wherein the lower end of the hollow thick-wall outer spiral casing pipe is provided with a bearing base, the outer wall of the hollow thick-wall outer spiral casing pipe is provided with a thread, the adjustable annular nut and the annular pressure-bearing top plate are successively installed on the upper surface of the hollow thick-wall outer spiral casing pipe from bottom to top, and the single-direction thrust bearing is installed between the adjustable annular nut and the annular pressure-bearing top plate. The spiral anchor retreating device can realize hoisting under the condition the hoisting point needs to be switched, the steel strand penetrates once, the procedure is simplified, the investment is reduced, the construction period is shortened, the one-time tandem connection and the step-by-step hoisting of a hoisting sling are realized, the frequency of working at heights for operating personnel is reduced, and the safety rick during the hoisting point switching process is lowered.
Description
Technical field
The utility model relates to a kind of special tool that lifting jack and steel strand lift by crane to install large-scale superelevation component equipment, specifically a kind of spiral anchor restorer used.
Background technology
Weigh in the building engineering hundreds of tons the lifting of large-scale component, equipment superelevation weight, to install be common events in operation, owing to being subject to the conditionalities such as weight-lifting equipment, place, financial cost, take many groups large-tonnage lifting jack as cluster power, steel wire bundle is as the lifting method of tie is widely used, and become the installation method of current first-selection such as inner steel cylinder of chimney hydraulic pressure lift technique.But to the superelevation member as steel inner cylinder,
The steel inner cylinder overhead height is higher than 5～10 meters on chimney urceolus cylinder top behind the installation in position, in the steel inner cylinder installation process, lifting jack is arranged on the support platform of chimney outer tube inner wall, support platform is lower than 30～40 meters on chimney urceolus cylinder top, setting height(from bottom) is higher than support structure height, the platform that support jack promotes operation is lower than the steel inner cylinder top, like this, by lifting process take steel inner cylinder epimerite standard paragraphs as first batch of suspension centre, promote piecemeal the construction method of spreading, steel inner cylinder once can not be promoted and put in place, this just need to be transformed into the second suspension centre downwards and finish installation exercise under the lifting part vacant state, usually the method that adopts is that the difference position on the platform of support jack is reinstalled and changed a jack temporarily, secondary threading to the second batch hoisting point position, service hoisting unloads first batch of suspension centre steel strand, again penetrates new steel strand to the second batch hoisting point position in the work jack again, finishes first batch of suspension centre transposition.This method operating cycle length, complex procedures, increasing steel strand and equipment investment, the operating personal aloft work is frequent, has increased the security risk of changing point process.
On the member top suspension centre is set when vertically assembling in the installing space, the member top suspension centre that promotes piecemeal spreading can not once be promoted to design height with member, and to the steel inner cylinder that designs for stress condition with suspension status, its structure can not be born the self-support load again.
The utility model content
The technical problems to be solved in the utility model provides the spiral anchor restorer of a kind of simple, safety, applicable, reliable and constructability operation, this spiral anchor restorer is the step by step special tool of baton handover of vertical suspension centre, use this spiral anchor restorer, realize that steel strand once install, simplify working process, reducing construction cost reduce the operating personal aloft work frequency, reduce the security risk in the suspension centre switching process, minimizing equipment, material drop into, and save engineering cost.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of spiral anchor restorer is characterized in that: comprise hollow heavy wall external spiral sleeve pipe, adjustable ring shape nut, annular bearing top board, one direction thrust bearing and assembly binding bolt; Hollow heavy wall external spiral sleeve pipe lower end is provided with the load base, hollow heavy wall external spiral sleeve outer wall is provided with screw thread, above the hollow heavy wall external spiral sleeve pipe adjustable ring shape nut and annular bearing top board are installed successively from bottom to top, one direction thrust bearing is installed between adjustable ring shape nut and the annular bearing top board, and the assembly binding bolt is fixedly connected on the lifting weight with adjustable ring shape nut and annular bearing top board.
The effect of thrust baring is the friction force that reduces between regulating control and hanger, reduces loosening moment of torsion, satisfies the loosening requirement of manpower.
During application, the spiral anchor restorer is installed between the lifting weight hanger stay bearing plate and stranded wire anchor head as first batch of suspension centre, the assembly binding bolt is fixedly connected on adjustable ring shape nut and annular bearing top board on the lifting weight hanger stay bearing plate, stretch out above the lifting weight hanger stay bearing plate hollow heavy wall external spiral sleeve pipe upper end, steel strand pass in the centre hole that is installed in lifting jack on the support platform, hollow heavy wall external spiral sleeve pipe and anchor head, and the steel strand below is left to second batch time hoisting point position in advance.After above-mentioned assembling is finished, lifting weight hanger stay bearing plate, spiral anchor restorer, steel strand and anchor head etc. form the lifting force transmission mechanism, the work of unlatching jack, promote operation to predetermined altitude at first batch of suspension centre, at second batch of pre-tensioner steel strand in suspension centre place, behind second group of anchor head of second batch of suspension centre of anchoring, disassemble the fastening screw that spiral moves back the anchor regulating control, loosening adjustable ring shape nut, discharge the self-locking tension force of first batch of suspension centre anchor head, the realization steel strand are born pulling force to next stage suspension centre handoff procedure.
Using method of the present utility model is roughly as follows: spiral is moved back the anchor regulating control be installed between lifting first batch of suspension centre of weight and first group of anchor head of steel strand, disposable penetrating by being installed in first batch of suspension centre in lifting jack, top on the support platform until the total length steel wire bundle of the second batch of suspension centre in below, composition is take steel strand as tie, contact two batches of suspension centres, spirals move back anchor regulating control and first group of anchor head, the lifting force transmission mechanism that is promoted by lifting jack.Spiral when first batch of suspension centre promotes operation between first batch of suspension centre and anchor head moves back the anchor regulating control, as the power transmission supporting sleeve, and the pressure-bearing power transmission; When first batch of suspension centre rises to predetermined altitude, pre-tensioner second batch of suspension centre steel strand and anchor head (the i.e. second group of anchor head) anchoring of second batch of suspension centre is installed after, the spiral of synchronously loosening first batch of suspension centre moves back the anchor regulating control, evenly discharge the tensile force between first batch of suspension centre and first group of anchor head, realize that hoisting mechanism is under loaded state, make between lifting weight load two suspension centres steel strand at the uniform velocity, steadily move down, allow first batch of suspension centre and for the second time the steel wire bundle between suspension centre progressively tensioning is stressed, to lift weight gravity is passed to second batch of suspension centre by first batch of suspension centre and bears, until the suspension centre state of deactivating for the first time, withdraw from first batch of suspension centre anchor head (i.e. first group of anchor head), finally finish the suspension centre conversion.
The utility model be under member or the equipment vacant state along vertically by above the upper class suspension centre withdraw from the special tool that suspension centre is switched in the next stage anchor head power transmission of anchor head below upwards; Also can be used as the construction of prestress pretensioning method and put a special tool.The utility model is to play the support intermal force when shoring between beam and anchor head the steel strand tensioning, can regulate uniformly anchor head and shore distance between beam, discharge the steel strand tensile force to the self-locking of anchor head when moving back anchor, realizes moving back the special tool of anchor.The utility model can be realized lifting under needs conversion suspension centre condition, and steel strand once install, and save the steel strand application quantity, reduce the jack usage quantity, and simplify working process reduces and drops into, the reduction of erection time.The utility model has realized that the lifting load under needs conversion suspension centre condition changes a power transmission, realizes that the once serial connection of hoisting rig is lifted by crane step by step, reduces the operating personal aloft work frequency, reduces the security risk in the suspension centre switching process.
The utility model is simple in structure, and handling ease is with low cost, can reuse, mechanical drive and reasonable in design, and steel strand once install when realizing lifting, move back anchor and change a little, finish the lifting of superelevation large-scale component or equipment and installation exercise.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the birds-eye view of Fig. 1,
Fig. 3 is the structural representation of annular bearing top board,
Fig. 4 is the birds-eye view of Fig. 3,
Fig. 5 is the structural representation of adjustable ring shape nut,
Fig. 6 is the birds-eye view of Fig. 5,
Fig. 7 is the schematic diagram of elevator system,
Fig. 8 is the A-A section of Fig. 7.
Among the figure: 101-lifts weight, 102-hanger stay bearing plate, 1021-stiffener, first batch of suspension centre of 103-, second batch of suspension centre of 104-, 201-annular bearing top board, 2011-top board concave ring surface, 202-one direction thrust bearing, 203-adjustable ring shape nut, 2031-nut concave ring surface, 204-hollow heavy wall external spiral sleeve pipe, 2041-load base, 205-assembly binding bolt, 3-anchor head, first group of anchor head of 301-, second group of anchor head of 302-, 4-steel strand, the 5-gap, 6-support platform, 7-lifting jack.
The specific embodiment
Such as Fig. 1 and shown in Figure 2: a kind of spiral anchor restorer is characterized in that: comprise hollow heavy wall external spiral sleeve pipe 204, adjustable ring shape nut 203, annular bearing top board 201, one direction thrust bearing 202 and assembly binding bolt 205; Hollow heavy wall external spiral sleeve pipe 204 lower ends are provided with load base 2041, hollow heavy wall external spiral sleeve pipe 204 outer walls are provided with screw thread, adjustable ring shape nut 203 and annular bearing top board 201 are installed above the hollow heavy wall external spiral sleeve pipe 204 from bottom to top successively, one direction thrust bearing 202 is installed between adjustable ring shape nut 203 and the annular bearing top board 201, and assembly binding bolt 205 is fixedly connected on lifting weight 101 with adjustable ring shape nut 203 and annular bearing top board 201.
In order to guarantee adjustable ring shape nut 203 and annular bearing top board 201 concentricitys: referring to Fig. 5 and Fig. 6, be provided with the nut concave ring surface 2031 adaptive with one direction thrust bearing 202 external diameters at adjustable ring shape nut 203 tops; Referring to Fig. 3 and Fig. 4, be provided with the top board concave ring surface 2011 adaptive with one direction thrust bearing 202 external diameters in annular bearing top board 201 bottoms; Nut concave ring surface 2031 all is 10mm～15mm with the degree of depth of top board concave ring surface 2011; One direction thrust bearing 202 inserted num concave ring surfaces 2031 and top board concave ring surface 2011 during assembling, concentric with the work of annular bearing top board 201 to guarantee adjustable ring shape nut 203.
Annular bearing top board 201, one direction thrust bearing 202, adjustable ring shape nut 203 and hollow heavy wall external spiral overlap 204 parts all should carry out mechanical-force-transmission and structure Design and Calculation according to the lifting load, satisfy its entire compression intensity, stability, spin moment, condition of self-locking, steel wire bundle 4 passage space requirements.
Hollow heavy wall external spiral sleeve pipe 204 is hollow ring thick-walled structures, and hollow heavy wall external spiral sleeve pipe 204 adds that can weld man-hour or Integratively turning is as a whole, and hollow heavy wall external spiral sleeve pipe 204 outside faces are established the threaded square thread that is.The design of hollow heavy wall external spiral sleeve pipe 204 considers that mainly the load-carrying capacity of hollow heavy wall external spiral sleeve pipe entire compression intensity, stability, steel wire bundle passage space, trapezoidal outer silk, self-locking performance suggestion manpower become flexible torque value etc.
Adjustable ring shape nut 203 is annular thick-walled structures, and adjustable ring shape nut 203 inboards are designed to 204 teeth of trapezoidal internal thread and hollow heavy wall external spiral sleeve pipe and match.The load-carrying capacity of the main consideration of its design rectangle internal thread reaches the build-in constraint to thrust baring.Its Stroke Control is between 250～300mm, and is unsuitable long.
Annular bearing top board 201, one direction thrust bearing 202 are members in bulk, and upper and lower current when the Adjustment operation for guaranteeing hollow heavy wall external spiral sleeve pipe 204, the gap 5 of annular bearing top board 201 internal orifice dimensions and hollow heavy wall external spiral sleeve pipe 204 is 15mm～20mm.
The selection Main Basis of one direction thrust bearing 202 hangs thing load and bearing safety coefficient.
Controller structure carrying is stable to be determined to satisfy for the diameter of assembly binding bolt 205 and the design of quantity, and makes the spiral anchor restorer and hang thing and be connected as a single entity.
Referring to Fig. 7 and Fig. 8: the lifting weight of the present embodiment 101 is outer to be arranged with multiple batches of Heave Here, shown in Fig. 7 first batch of suspension centre 103 and second batch of suspension centre 104 arranged, around lifting weight 101, be provided with hanger stay bearing plate 102 everywhere above each batch Heave Here, hanger stay bearing plate 102 is provided with stiffener 1021, and lifting weight 101 is prior aries.
Referring to Fig. 7: during application, the spiral anchor restorer is installed between the hanger stay bearing plate 102 and first group of anchor head 301 of first batch of suspension centre 103 of lifting weight 101, assembly binding bolt 205 is fixedly connected on adjustable ring shape nut 203 and annular bearing top board 201 on the hanger stay bearing plate 102 of lifting weight, stretch out above the hanger stay bearing plate 102 of lifting weight hollow heavy wall external spiral sleeve pipe 204 upper ends, steel strand 4 pass in the centre hole of hollow heavy wall external spiral sleeve pipe 204, steel strand 4 tops are installed on the lifting jack 7 on the support platform 6, after above-mentioned assembling is finished, lifting weight hanger stay bearing plate, the spiral anchor restorer, steel strand and anchor head etc. form the support force transferring part, the work of unlatching jack, promote operation to predetermined altitude at first batch of suspension centre, pre-tensioner second batch of suspension centre steel strand, behind second group of anchor head 302 of second batch of suspension centre of anchoring, disassemble the fastening screw that spiral moves back the anchor regulating control, loosening adjustable ring shape nut, discharge the self-locking tension force of first batch of suspension centre anchor head, the realization steel strand are born pulling force to next stage suspension centre handoff procedure.
Claims (5)
1. a spiral anchor restorer is characterized in that: comprise hollow heavy wall external spiral sleeve pipe (204), adjustable ring shape nut (203), annular bearing top board (201), one direction thrust bearing (202) and assembly binding bolt (205); Hollow heavy wall external spiral sleeve pipe (204) lower end is provided with load base (2041), hollow heavy wall external spiral sleeve pipe (204) outer wall is provided with screw thread, adjustable ring shape nut (203) and annular bearing top board (201) are installed above the hollow heavy wall external spiral sleeve pipe (204) from bottom to top successively, one direction thrust bearing (202) is installed between adjustable ring shape nut (203) and the annular bearing top board (201), and assembly binding bolt (205) is fixedly connected on lifting weight (101) with adjustable ring shape nut (203) and annular bearing top board (201).
2. a kind of spiral anchor restorer as claimed in claim 1 is characterized in that: the gap (5) of annular bearing top board (201) internal orifice dimension and hollow heavy wall external spiral sleeve pipe (204) is 15mm～20mm.
3. a kind of spiral anchor restorer as claimed in claim 2, it is characterized in that: adjustable ring shape nut (203) top is provided with the nut concave ring surface (2031) adaptive with one direction thrust bearing (202) external diameter, is provided with the top board concave ring surface (2011) adaptive with one direction thrust bearing (202) external diameter in annular bearing top board (201) bottom; One direction thrust bearing (202) inserted num concave ring surface (2031) and top board concave ring surface (2011).
4. a kind of spiral anchor restorer as claimed in claim 3 is characterized in that: nut concave ring surface (2031) all is 10mm～15mm with the degree of depth of top board concave ring surface (2011).
5. such as the described a kind of spiral anchor restorer of claim 1 to 4 any one, it is characterized in that: the spiral anchor restorer is positioned between the hanger stay bearing plate (102) and anchor head (301) of the first batch of suspension centre (103) that lifts weight (101), assembly binding bolt (205) is fixedly connected on adjustable ring shape nut (203) and annular bearing top board (201) on the hanger stay bearing plate (102) of lifting weight, stretch out above the hanger stay bearing plate (102) of lifting weight hollow heavy wall external spiral sleeve pipe (204) upper end, steel strand (4) pass in the centre hole of hollow heavy wall external spiral sleeve pipe (204), and steel strand (4) top is installed on the lifting jack (7) on the support platform (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342361 CN202717558U (en) | 2012-07-16 | 2012-07-16 | Spiral anchor retreating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342361 CN202717558U (en) | 2012-07-16 | 2012-07-16 | Spiral anchor retreating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202717558U true CN202717558U (en) | 2013-02-06 |
Family
ID=47619388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342361 Withdrawn - After Issue CN202717558U (en) | 2012-07-16 | 2012-07-16 | Spiral anchor retreating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202717558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539042A (en) * | 2012-07-16 | 2014-01-29 | 甘肃第一建设集团有限责任公司 | Spiral anchor-withdrawing device and using method thereof |
-
2012
- 2012-07-16 CN CN 201220342361 patent/CN202717558U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539042A (en) * | 2012-07-16 | 2014-01-29 | 甘肃第一建设集团有限责任公司 | Spiral anchor-withdrawing device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20150916 |
|
| RGAV | Abandon patent right to avoid regrant |