CN104313958A - Process for replacing sleeve of vertical bolt on turnout - Google Patents
Process for replacing sleeve of vertical bolt on turnout Download PDFInfo
- Publication number
- CN104313958A CN104313958A CN201410421182.XA CN201410421182A CN104313958A CN 104313958 A CN104313958 A CN 104313958A CN 201410421182 A CN201410421182 A CN 201410421182A CN 104313958 A CN104313958 A CN 104313958A
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- crab
- bolt
- drill
- drill bit
- location
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
- E01B29/28—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a process for replacing a sleeve of a vertical bolt on a turnout. The process is used for quick replacement of an anchor bolt sleeve which is mounted in the inner hole of a cement pillow, and the top of the anchor bolt sleeve is flush with that of the inner hole. The process comprises the following steps: selecting a positioning rod, mounting the selected positioning rod on a positioning drill bit, and mounting the positioning drill bit on an electric drill to perform downward positioning drilling on the anchor bolt sleeve; dismounting the positioning drill bit on the electric drill and replacing the positioning drill bit with a tunneling drill bit to continue downwardly drilling the anchor bolt sleeve; taking a slag prying rod, placing the slag prying rod between the anchor bolt sleeve and the inner hole of the cement pillow, and taking out the old anchor bolt sleeve; taking and assembling a new anchor bolt sleeve, a new anchor bolt screw and a new cushion cover, utilizing an electric wrench to screw the new anchor bolt sleeve into the inner hole of the cement pillow, and then withdrawing the anchor bolt screw to complete replacement process of the anchor bolt sleeve. The process has the benefits of simple process steps, convenient operation, high replacement efficiency, portable tools, low probability of damaging threads of the inner hole of the cement pillow and capability of prolonging the service life of the cement pillow.
Description
Technical field
The present invention relates to the casing taking technique that a kind of track switch founds bolt, particularly relate to a kind of dismounting and change technique of crab-bolt cover of the vertical bolt on railway point.
Background technology
Fixedly the needing of railway track is undertaken by crab-bolt cover, traditional installing/dismounting complex operation, and operating equipment volume is large, and quality weight, carries inconvenience, and during use, safety factor is low.In the process of dismounting crab-bolt cover, also usually easily hurt cement sleeper screw thread, affect workmanship, waste resource.
Summary of the invention
Technical problem to be solved by this invention is to provide the casing taking technique that a kind of track switch founds bolt, overcomes the defect that replacing is complicated, operation is inconvenient, replacing is slow, instrument carries inconvenience and easy damaged cement sleeper inner hole thread.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of track switch founds the casing taking technique of bolt, and the mixed earth switch tie track switch on railway track founds the dismounting and change of the bolt sleeve of bolt, achieves the quick-replaceable of crab-bolt cover.The upper end smooth outer surface of described crab-bolt cover, the lower end external surface of described crab-bolt cover is provided with external screw thread, described crab-bolt cover is arranged in cement sleeper, described cement sleeper is provided with endoporus, the middle part of described endoporus is screwed hole, the external screw thread form fit that the internal thread at the middle part of described endoporus and described crab-bolt are overlapped, described crab-bolt cover is arranged in described endoporus and the top of described crab-bolt cover and flushes with described endoporus top, comprises the following steps:
1) regioselective bar is arranged on the drill bit of location, is arranged on electric drill by location drill bit, and positions drilling downwards to described crab-bolt cover;
2) the location drill bit on electric drill is pulled down to be replaced by empty drill bit, and downward drilling is continued to described crab-bolt cover;
3) take sled slag bar to insert between described crab-bolt cover and the endoporus of described cement sleeper, take out old crab-bolt cover;
4) take new crab-bolt cover, new crab-bolt cover is fitted together with crab-bolt screw rod, cushion cover, utilize electric wrench that new crab-bolt cover is screwed in crab-bolt screw rod described in the endoporus backed off after random of cement sleeper, complete the Replacement procedure of described crab-bolt cover.
The invention has the beneficial effects as follows: processing step is simple, easy to operate, change efficiency high, instrument is easy to carry, not the screw thread of easy damaged cement sleeper endoporus, improves the application life of cement sleeper.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in described step 1) in, described electric drill drives described location drill bit crab-bolt cover described in drilling vertically downward, and the degree of depth of drilling is the top 50 ~ 70mm from described cement sleeper.
Adopt the beneficial effect of above-mentioned further scheme to be: the centre of location of crab-bolt cover is found out in first drilling, the bottom of crab-bolt cover is fallen in drilling, is conducive to taking out crab-bolt cover.
Further, in described step 1) in, described location drill bit comprises location bit body, location drill bit connection handle, described location bit body and described location drill bit connection handle are connected to form one, described location drill bit connection handle is positioned at above the bit body of described location, described location bit body is provided with drill tip, described location bit body is provided with location helical flue of drill, described drill tip is arranged on drill bit spiral fluted bottom, described location, described location drill bit spiral fluted helical angle is 72 °, the described location drill bit spiral fluted degree of depth is 8mm, described backstay is arranged on the lower end of described location bit body and fixes with set bolt.
The beneficial effect of above-mentioned further scheme is adopted to be: location drill bit realizes the positioning and drilling of crab-bolt cover, for follow-up smooth taking-up crab-bolt cover is prepared, adopts suitable location drill bit drilling efficiency height to avoid damaging other parts simultaneously.
Further, described electric drill is provided with forward-reverse switch and controls described electric drill rotating, and the bottom of described electric drill is provided with Quick-mounting clamp head, described location drill bit connection handle and described Quick-mounting clamp head connection.
The beneficial effect of above-mentioned further scheme is adopted to be: to utilize Quick-mounting clamp head to change and suitable location drill bit is installed, fast easy for installation, increase work efficiency.
Further, in described step 2) in, empty drill bit described in described electric drill drives and continue drilling vertically downward until from the top 98 ~ 118mm of described cement sleeper.
Adopt the beneficial effect of above-mentioned further scheme to be: drilling is too short cannot empty bits slag, the long easy damage cement sleeper wall of drilling, the suitable drilling degree of depth can ensure that drilling through crab-bolt cover takes away unnecessary slag bits, does not damage cement sleeper wall simultaneously.
Further, in described step 2) in, described drill bit of emptying comprises and empties drill bit connection handle, empties bit body, describedly empty drill bit connection handle and described bit body of emptying links into an integrated entity, described empty drill bit connection handle be positioned at described in empty above bit body, described emptying on bit body is also provided with drill tip, described bit body of emptying is provided with and empties helical flue of drill, the bottom of helical flue of drill is emptied described in described drill tip is arranged on, the described helical angle emptying helical flue of drill is 72 °, described in empty helical flue of drill the degree of depth be 10mm.
The beneficial effect of above-mentioned further scheme is adopted to be: to utilize and empty drill bit and continue drilling, draw out the slag bits produced in drilling process, avoid blocking.
Further, described electric drill is provided with forward-reverse switch and controls described electric drill rotating, and the bottom of described electric drill is provided with Quick-mounting clamp head, described in empty drill bit connection handle and described Quick-mounting clamp head connection.
The beneficial effect of above-mentioned further scheme is adopted to be: to utilize Quick-mounting clamp head to change to install and suitable empty drill bit, fast easy for installation, increase work efficiency.
Further, in described step 3) in, the lower end of described sled slag bar is provided with two legs, gap is left between the lower end of described two legs, the spacing in described gap is greater than the thickness of described crab-bolt cover, concrete operations are as follows: to be inserted into by a leg of sled slag bar in the gap between described crab-bolt cover with described cement sleeper inner hole wall and to stretch into gap 35 ~ 40mm, now, described crab-bolt is overlapped between described two legs, prize with described sled slag bar simultaneously and rotate described crab-bolt cover, first the smooth part of described crab-bolt set upper side is taken out, then the threaded portion of described crab-bolt cover lower end is slowly taken out of, and take out residue with combination long roundnosed pliers.
Adopt the beneficial effect of above-mentioned further scheme to be: to utilize sled slag bar to loosen crab-bolt cover, and rotate and take crab-bolt cover out of, effectively simple to operation.
Further, described combination long roundnosed pliers is provided with two pincers pin, the middle part of two described pincers pin by bolt interconnection together, two described pincers pin by with described bolt for the strong point realizes opening and closing, the downward end of two described pincers pin is equipped with crotch.
Adopt the beneficial effect of above-mentioned further scheme to be: the residue that crotch effectively can delete inner hole thread place is set, take out residual crab-bolt cover, be conducive to the screw thread of cement sleeper endoporus to be cleaned out.
Further, in described step 4) in, the assembling sequence of new described crab-bolt cover, described crab-bolt screw rod, described cushion cover is: the upper end first described cushion cover being set in described crab-bolt screw rod, then the lower end of described crab-bolt screw rod is screwed in crab-bolt cover, after completing assembling, until after screwing in the endoporus with described electric wrench crab-bolt cover being screwed in described cement sleeper, then exit described crab-bolt screw rod, complete the Replacement procedure of crab-bolt cover.
The beneficial effect of above-mentioned further scheme is adopted to be: to be assisted by crab-bolt screw rod and screw in cement sleeper endoporus by new crab-bolt cover, simply easy to operate, be conducive to screwing crab-bolt cover and avoid losing cement sleeper simultaneously, improve workmanship, improve safety factor.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of track switch of the present invention founds the electric drill of the casing taking technique of bolt;
Fig. 2 is the structural representation that a kind of track switch of the present invention founds the location drill bit of the casing taking technique of bolt;
Fig. 3 is the structural representation emptying drill bit that a kind of track switch of the present invention founds the casing taking technique of bolt;
Fig. 4 is the scheme of installation that a kind of track switch of the present invention founds the anchoring cartridge of the casing taking technique of bolt;
Fig. 5 is the step 1 that a kind of track switch of the present invention founds the casing taking technique of bolt) operating diagram;
Fig. 6 is the step 2 that a kind of track switch of the present invention founds the casing taking technique of bolt) operating diagram;
Fig. 7 is the step 3 that a kind of track switch of the present invention founds the casing taking technique of bolt) the middle operating diagram prizing slag bar;
Fig. 8 is the step 3 that a kind of track switch of the present invention founds the casing taking technique of bolt) in the operating diagram of combination long roundnosed pliers;
Fig. 9 is the step 4 that a kind of track switch of the present invention founds the casing taking technique of bolt) operating diagram.
In accompanying drawing, the list of parts representated by each label is as follows:
1, drill bit connection handle is located, 2, location bit body, 3, location helical flue of drill, 4, drill tip, 5, backstay, 6, set bolt, 7, electric drill, 8, forward-reverse switch, 9, Quick-mounting clamp head, 10, drill bit connection handle is emptied, 11, empty bit body, 12, empty helical flue of drill, 13, crab-bolt cover, 14, cement sleeper, 15, location drill bit, 16, drill bit is emptied, 17, slag bar is prized, 18, leg, 19, pincers pin, 20, crotch, 21, endoporus, 22, combination long roundnosed pliers, 23, crab-bolt screw rod, 24, electric wrench, 25, cushion cover.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As Fig. 4, as shown in Figure 9, the present invention is for realizing the quick-replaceable of crab-bolt cover 13, the upper end smooth outer surface of crab-bolt cover 13, the lower end external surface of crab-bolt cover 13 is provided with external screw thread, crab-bolt cover 13 is arranged in cement sleeper 14, described cement sleeper 14 is provided with endoporus 21, and the middle part of endoporus 21 is screwed hole, and the internal thread at the middle part of endoporus 21 and crab-bolt overlap the external screw thread form fit of 13.Crab-bolt cover 13 is arranged on endoporus 21 li and the top of crab-bolt cover 13 flushes with endoporus 21 top, this dismounting and change technique comprises the following steps: 1) regioselective bar 5 is arranged on the drill bit 15 of location, location drill bit 15 is arranged on electric drill 7, and drilling is positioned downwards to described crab-bolt cover 13; 2) the location drill bit 15 on electric drill 7 is pulled down to be replaced by empty drill bit 16, and downward drilling is continued to described crab-bolt cover 13; 3) take sled slag bar 17 to insert between described crab-bolt cover 13 and the endoporus of described cement sleeper 14, take out old crab-bolt cover 13; 4) new crab-bolt cover 13 is taken, new crab-bolt cover 13 is fitted together with crab-bolt screw rod 23, cushion cover 25, utilize electric wrench 24 that new crab-bolt cover 13 is screwed in crab-bolt screw rod 23 described in endoporus 21 backed off after random of cement sleeper 14, complete the Replacement procedure of described crab-bolt cover 13.
The concrete operations of each step above-mentioned are as follows:
As shown in Figure 5, in step 1) in, electric drill 7 drives location drill bit 15 drilling crab-bolt vertically downward cover 13, and the degree of depth of location drill bit 15 drilling is the top 50 ~ 70mm from cement sleeper 14, and preferred depth is 60mm.As shown in Fig. 2, Fig. 5, in step 1) in the location drill bit 15 that uses comprise location bit body 2, location drill bit connection handle 1, location bit body 2 is connected to form one with location drill bit connection handle 1, and namely locating bit body 2 and location drill bit connection handle 1 is integral type.Location drill bit connection handle 1 is positioned at the top of location bit body 2, and location bit body 2 is provided with drill tip 4, and location bit body 2 is provided with location helical flue of drill 3, and drill tip 4 is arranged on the bottom of location helical flue of drill 3.The helical angle of location helical flue of drill 3 is 72 °, the degree of depth of location helical flue of drill 3 is 8mm, backstay 5 is arranged on the lower end of location bit body 2 and fixes with set bolt 6, backstay 5 is replaceable backstay, and the internal diameter size of the crab-bolt of taking out as required during regioselective bar 5 cover 13 selects the backstay of appropriate size.As shown in Figure 1, electric drill 7 is provided with forward-reverse switch 8 and controls electric drill 7 rotating, presses the rotating that forward-reverse switch 8 adjusts electric drill 7.The bottom of electric drill 7 is provided with Quick-mounting clamp head 9, location drill bit connection handle 1 and Quick-mounting clamp head 9 connection, can realize quick-replaceable location drill bit 15.
As shown in Fig. 3, Fig. 6, completing steps 1) operation after carry out step 2), dismounting lower location drill bit 15 changes the outfit on the Quick-mounting clamp head 9 of electric drill 7 by emptying drill bit 16, electric drill 7 drives to be emptied drill bit 16 and downwards continues drilling until from the top 98 ~ 118mm of cement sleeper 14, preferred distance is 108mm.In step 2) in the drill bit 16 of emptying that uses comprise and empty drill bit connection handle 10, empty bit body 11, empty drill bit connection handle 10 and empty bit body 11 and link into an integrated entity, empty drill bit connection handle 10 and empty the structure that bit body 11 is integral type.Empty drill bit connection handle 10 and be positioned at the top emptying bit body 11, empty on bit body 11 and drill tip 4 is also installed.When drill bit 16 is emptied in replacing, take off the location drill bit 15 be arranged on electric drill 7, drill bit connection handle 10 and Quick-mounting clamp head 9 connection will be emptied.Empty bit body 11 to be provided with and to empty helical flue of drill 12, drill tip 4 is arranged on the bottom emptying helical flue of drill 12, and the helical angle emptying helical flue of drill 12 is 72 °, and the degree of depth emptying helical flue of drill 12 is 10mm.Empty bottom that drill bit 16 is used for drilling crab-bolt cover 13 and take away the scrap that drilling process produces simultaneously.
As shown in Figure 7, in step 3) in, the lower end of sled slag bar 17 is provided with two legs 18, gap is left between the lower end of two legs 18, the spacing in gap is greater than the thickness of crab-bolt cover 13, concrete operations are as follows: to be inserted into by a leg 18 of sled slag bar 17 in the gap between crab-bolt cover 13 and the inner hole wall of cement sleeper 14 and to stretch into gap to 35 ~ 40mm, need to extend into the suitable degree of depth and effectively could revolve and prize crab-bolt cover 13.Now, crab-bolt cover 13 is between two legs 18, and sled slag bar 17 prizes simultaneously and rotates crab-bolt cover 13, and the smooth part of first crab-bolt being overlapped 13 upper ends is taken out, and then slowly takes the threaded portion that crab-bolt overlaps 13 lower ends out of, and takes out residual residue with combination long roundnosed pliers.As shown in Figure 8, combination long roundnosed pliers 22 is provided with two pincers pin 19, the middle part of two pincers pin 19 by bolt interconnection together, two pincers pin 19 are by being that the strong point realizes opening and closing with bolt, two ends of clamping pin 19 downward are equipped with crotch 20, crotch 20 can hook the residue of the crab-bolt cover getting endoporus 21 internal thread place, makes cleaning more thorough.
As shown in Figure 9, in step 4) in, need to take new crab-bolt cover 13, crab-bolt screw rod 23, cushion cover 25, the assembling sequence of new crab-bolt cover 13, crab-bolt screw rod 23, cushion cover 25 is: the upper end first cushion cover 25 being set in crab-bolt screw rod 23, is then screwed in the lower end of crab-bolt screw rod 23 in crab-bolt cover 13 until cushion cover 25 is withstood at the top of crab-bolt cover 13.After completing assembling, with electric wrench 24, crab-bolt cover 13 is screwed in the endoporus 21 li of cement sleeper 14 until after screwing, then exit crab-bolt screw rod 23, complete the Replacement procedure of crab-bolt cover 13.
The present invention realizes the bottom that quick drill reams crab-bolt cover 13 by precisely feeling relieved, revolved by sled slag bar 17 again and prize crab-bolt cover 13, avoid the screw thread on the endoporus 21 of infringement cement sleeper 14, the instrument used in this activities is easy to carry, easy to operate, this process program step is simple, while meeting workmanship, also improve operating efficiency.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a track switch founds the casing taking technique of bolt, for realizing the quick-replaceable of crab-bolt cover (13), the upper end smooth outer surface of described crab-bolt cover (13), the lower end external surface of described crab-bolt cover (13) is provided with external screw thread, described crab-bolt cover (13) is arranged in cement sleeper (14), described cement sleeper (14) is provided with endoporus (21), the middle part of described endoporus (21) is screwed hole, the internal thread at the middle part of described endoporus (21) and the external screw thread form fit of described crab-bolt cover (13), described crab-bolt cover (13) is arranged on the inner and top that is described crab-bolt cover (13) of described endoporus (21) and flushes with described endoporus (21) top, it is characterized in that, comprise the following steps:
1) regioselective bar (5) is arranged on location drill bit (15), will locate drill bit (15) and be arranged on electric drill (7), and position drilling downwards to described crab-bolt cover (13);
2) the location drill bit (15) on electric drill (7) is pulled down to be replaced by empty drill bit (16), and downward drilling is continued to described crab-bolt cover (13);
3) take sled slag bar (17) to insert between the endoporus of described crab-bolt cover (13) and described cement sleeper (14), take out old crab-bolt cover (13);
4) new crab-bolt cover (13) is taken, new crab-bolt cover (13) and crab-bolt screw rod (23), cushion cover (25) are fitted together, utilize electric wrench (24) that new crab-bolt cover (13) is screwed in crab-bolt screw rod (23) described in endoporus (21) backed off after random of cement sleeper (14), complete the Replacement procedure of described crab-bolt cover (13).
2. a kind of track switch according to claim 1 founds the casing taking technique of bolt, it is characterized in that, in described step 1) in, described electric drill (7) drives described location drill bit (15) crab-bolt cover (13) described in drilling vertically downward, and the degree of depth of drilling is the top 50 ~ 70mm from described cement sleeper (14).
3. a kind of track switch according to claim 1 founds the casing taking technique of bolt, it is characterized in that, in described step 1) in, described location drill bit (15) comprises location bit body (2), location drill bit connection handle (1), described location bit body (2) and described location drill bit connection handle (1) are connected to form one, described location drill bit connection handle (1) is positioned at top, described location bit body (2), described location bit body (2) is provided with drill tip (4), described location bit body (2) is provided with location helical flue of drill (3), described drill tip (4) is arranged on the bottom of described location helical flue of drill (3), the helical angle of described location helical flue of drill (3) is 72 °, the degree of depth of described location helical flue of drill (3) is 8mm, described backstay (5) is arranged on the lower end of described location bit body (2) and fixes with set bolt (6).
4. a kind of track switch according to claim 3 founds the casing taking technique of bolt, it is characterized in that, described electric drill (7) is provided with forward-reverse switch (8) and controls described electric drill (7) rotating, the bottom of described electric drill (7) is provided with Quick-mounting clamp head (9), described location drill bit connection handle (1) and described Quick-mounting clamp head (9) connection.
5. a kind of track switch according to claim 1 founds the casing taking technique of bolt, it is characterized in that, in described step 2) in, empty drill bit (16) described in described electric drill (7) drives and continue drilling vertically downward until from the top 98 ~ 118mm of described cement sleeper (14).
6. a kind of track switch according to claim 1 founds the casing taking technique of bolt, it is characterized in that, in described step 2) in, described drill bit (16) of emptying comprises and empties drill bit connection handle (10), empty bit body (11), described drill bit connection handle (10) of emptying links into an integrated entity with described bit body (11) of emptying, described empty drill bit connection handle (10) be positioned at described in empty bit body (11) top, described emptying on bit body (11) is also provided with drill tip (4), described bit body (10) of emptying is provided with and empties helical flue of drill (12), the bottom of helical flue of drill (12) is emptied described in described drill tip (4) is arranged on, the described helical angle emptying helical flue of drill (12) is 72 °, the described degree of depth emptying helical flue of drill (12) is 10mm.
7. a kind of track switch according to claim 6 founds the casing taking technique of bolt, it is characterized in that, described electric drill (7) is provided with forward-reverse switch (8) and controls described electric drill (7) rotating, the bottom of described electric drill (7) is provided with Quick-mounting clamp head (9), described in empty drill bit connection handle (10) and described Quick-mounting clamp head (9) connection.
8. a kind of track switch according to claim 1 founds the casing taking technique of bolt, it is characterized in that, in described step 3) in, the lower end of described sled slag bar (17) is provided with two legs (18), gap is left between the lower end of described two legs (18), the spacing in described gap is greater than the thickness of described crab-bolt cover (13), concrete operations are as follows: a leg (18) of prizing slag bar (17) to be inserted in the gap between described crab-bolt cover (13) and described cement sleeper (14) inner hole wall and to stretch into gap 35 ~ 40mm, now, described crab-bolt cover (13) is positioned between described two legs (18), prize with described sled slag bar (17) simultaneously and rotate described crab-bolt cover (13), first the smooth part of described crab-bolt cover (13) upper end is taken out, then the threaded portion of described crab-bolt cover (13) lower end is slowly taken out of, and take out residue with combination long roundnosed pliers (22).
9. a kind of track switch according to claim 8 founds the casing taking technique of bolt, it is characterized in that, described combination long roundnosed pliers (22) is provided with two pincers pin (19), the middle part of two described pincers pin (19) by bolt interconnection together, two described pincers pin (19) by with described bolt for the strong point realizes opening and closing, the end that two described pincers pin (19) are downward is equipped with crotch (20).
10. a kind of track switch according to any one of claim 1 to 9 founds the casing taking technique of bolt, it is characterized in that, in described step 4) in, new described crab-bolt cover (13), described crab-bolt screw rod (23), the assembling sequence of described cushion cover (25) is: the upper end first described cushion cover (25) being set in described crab-bolt screw rod (23), then the lower end of described crab-bolt screw rod (23) is screwed in crab-bolt cover (13), after completing assembling, the endoporus (21) with described electric wrench (24) crab-bolt cover (13) being screwed in described cement sleeper (14) is inner until after screwing, exit described crab-bolt screw rod (23) again, complete the Replacement procedure of crab-bolt cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421182.XA CN104313958A (en) | 2014-08-25 | 2014-08-25 | Process for replacing sleeve of vertical bolt on turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421182.XA CN104313958A (en) | 2014-08-25 | 2014-08-25 | Process for replacing sleeve of vertical bolt on turnout |
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| Publication Number | Publication Date |
|---|---|
| CN104313958A true CN104313958A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421182.XA Pending CN104313958A (en) | 2014-08-25 | 2014-08-25 | Process for replacing sleeve of vertical bolt on turnout |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105350412A (en) * | 2015-09-24 | 2016-02-24 | 河南高达铁路机械设备有限公司 | Multifunctional pre-embedded sleeve taking-out drill bit |
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| 肖武斌等: ""铁路混凝土轨枕地脚螺栓(套筒) 磁力钻取机及工艺装备的研制应用"", 《铁道标准设计》, no. 12, 31 December 2010 (2010-12-31), pages 31 - 33 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350412A (en) * | 2015-09-24 | 2016-02-24 | 河南高达铁路机械设备有限公司 | Multifunctional pre-embedded sleeve taking-out drill bit |
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