CN116463929B - Under-pillow beam and application method thereof - Google Patents
Under-pillow beam and application method thereof Download PDFInfo
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- CN116463929B CN116463929B CN202310436480.5A CN202310436480A CN116463929B CN 116463929 B CN116463929 B CN 116463929B CN 202310436480 A CN202310436480 A CN 202310436480A CN 116463929 B CN116463929 B CN 116463929B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 241001669679 Eleotris Species 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims description 45
- 230000000903 blocking effect Effects 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000008094 contradictory effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000003351 stiffener Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to an under-sleeper beam and a using method thereof, comprising an under-sleeper beam body, wherein extension pieces are arranged at two ends of the under-sleeper beam body, adjusting components are arranged on the under-sleeper beam body and the extension pieces, each adjusting component comprises a limit threaded groove formed in the under-sleeper beam body and a limit threaded hole formed in the extension piece, wherein first threaded rods are arranged in the limit threaded holes and the limit threaded grooves in a threaded manner, and when the first threaded rods are turned, the extension pieces can move close to or away from the under-sleeper beam body through the limit threaded holes and the limit threaded grooves; the invention improves the existing structure of the sleeper underbeam, the extension pieces are arranged at the two ends of the sleeper underbeam body after improvement, and the extension pieces can move relative to the sleeper underbeam body, so that the integral length of the sleeper underbeam body and the extension pieces is changed, and the sleeper underbeam Liang Ben can be suitable for bridge construction with different widths.
Description
Technical Field
The invention relates to the technical field of underfills, in particular to an underfills and a using method thereof.
Background
The sleeper underbeam belongs to a part of a bridge, and the bridge head butt strap is far away from the bridge abutment and is close to one side of the roadbed. The bridge and the road are connected by the butt strap, which is mainly used for preventing the bridge head from jumping after the bridge and the road subside unevenly. The effect is especially obvious in soft soil areas. The sleeper beam is arranged outside the access board, which can be understood as the foundation of the access board, but is not completely. The use of the sleeper underbeam can enable the connection of the access board and the road to be smoother.
However, the existing underpillow beam adopts an integrated structure, and the size has consistency and cannot be adjusted. Because the bridge has the discrepancy with predetermineeing the size at the in-process of design, the pillow underbeam that adopts the size to be unable to adjust like this can exist and can not install or install the problem that there is great space between the both ends of back pillow underbeam and the bridge. In order to solve the problems, the invention provides an under-pillow beam and a using method thereof.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide an under-pillow beam and a using method thereof so as to solve the technical problems.
(2) Technical proposal
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a pillow underbeam, includes the pillow underbeam body, the both ends of pillow underbeam body all are provided with the extension piece, be provided with adjusting part on pillow underbeam body and the extension piece, adjusting part is including seting up the spacing screw thread groove on pillow underbeam body to and seting up the spacing screw hole on the extension piece, wherein, spacing screw hole and spacing screw thread inslot screw thread are provided with first threaded rod, and when the knob was first threaded rod, through spacing screw hole and spacing screw thread groove, so that the extension piece can be close to or keep away from the motion relatively pillow underbeam body.
Further, one end of the first threaded rod, which is located outside the limiting thread groove, is fixedly connected with an adjusting disc, the adjusting disc is rotatably arranged in the rotating groove, the rotating groove is formed in the extending piece, and a cross-shaped groove is formed in one side, away from the first threaded rod, of the adjusting disc.
Further, be provided with shutoff mechanism between sleeper underbeam body and the extension piece, shutoff mechanism is including seting up the shutoff groove on the extension piece to and the activity sets up the shutoff cover in the shutoff groove, the one end fixed connection that the shutoff cover is located outside the shutoff groove is on sleeper underbeam body's lateral wall.
Further, be provided with the strengthening rib subassembly between sleeper underbeam body and the extension piece, the strengthening rib subassembly is including seting up the mounting groove on sleeper underbeam body to and the activity sets up the strengthening rib body in the mounting groove, the strengthening rib body is located the outer one end fixed connection of mounting groove on the lateral wall of extension piece.
Further, be provided with fixed establishment between sleeper underbeam body and the extension, fixed establishment is including seting up the locking screw hole on regulating plate and first threaded rod to and seting up the locking screw thread groove on spacing screw thread groove diapire, still include the second threaded rod of screw grafting at locking screw hole, the second threaded rod is located the outer one end fixedly connected with safety cover of locking screw hole.
Further, a locking mechanism is arranged on the undersleeper beam body and the extension piece.
Further, locking mechanical system is including seting up the removal hole on the extension piece, the downthehole activity of removal is provided with the conflict piece, and the one end fixedly connected with third threaded rod that the conflict piece is located the removal hole, third threaded rod outward winding is connected with the second spring, and the both ends of second spring are fixed connection respectively on the lateral wall of third threaded rod and on the lateral wall of removal hole, third threaded rod external screw thread cover is equipped with the internal thread pipe, and the internal thread pipe rotates and set up on the lateral wall of extension piece, the external fixed cover of internal thread pipe is equipped with drive gear, and drive gear meshes with the straight rack, the straight rack is fixed to be set up on the lateral wall of movable plate, and the upper end fixedly connected with locking lever of movable plate, set up a plurality of locking grooves with locking lever assorted on the shutoff cover, the one end of the lower extreme fixedly connected with direction spacing subassembly of movable plate, and the other end fixedly connected with of direction spacing subassembly on the up end of direction spacing subassembly, the support fixed connection on the lateral wall of extension piece.
Further, the conflict piece is including the activity setting in moving the downthehole support feeler lever to and offer the expansion tank on supporting the feeler lever, the activity grafting has the expansion lever in the expansion tank, and the expansion lever is the one end that the winding was provided with first spring, the both ends of first spring are fixed connection respectively on the lateral wall of expansion lever and on the lateral wall of conflict lever, the expansion lever is located the one end fixed connection outside the expansion tank on the third threaded rod.
Further, the guide limiting assembly comprises a guide limiting rod, a guide limiting cylinder and a guide limiting spring, the guide limiting rod is movably inserted into the guide limiting cylinder, the guide limiting spring is wound and connected outside the guide limiting rod, and two ends of the guide limiting spring are respectively and fixedly connected on the side wall of the guide limiting rod and the outer side wall of the guide limiting cylinder.
Further, the using method of the underframe comprises the following steps:
screwing the first threaded rod to adjust the relative positions of the sleeper beam body and the extension piece through the limit threaded hole and the limit threaded groove so as to adjust the overall length of the sleeper beam body and the extension piece;
the screwing fixing mechanism is used for fixedly arranging the first threaded rod in the limit threaded groove and plugging the adjusting disc through the protective cover;
movement of the protective cover drives the locking mechanism to move so as to lock the plugging cover in the plugging groove.
(3) The beneficial effects are that:
the invention improves the existing structure of the sleeper underbeam, the extension pieces are arranged at the two ends of the sleeper underbeam body after improvement, and the extension pieces can move relative to the sleeper underbeam body, so that the integral length of the sleeper underbeam body and the extension pieces is changed, and the sleeper underbeam Liang Ben can be suitable for bridge construction with different widths.
The adjusting component is used for adjusting the relative positions of the undersleeper beam body and the extending piece, specifically, the adjusting disk is screwed, the adjusting disk can rotate with the first threaded rod, the extending piece can move close to or away from the undersleeper beam body through the limiting threaded hole and the limiting threaded groove when the first threaded rod rotates, so that the overall length of the undersleeper beam body and the extending piece is shortened or lengthened, and the overall length of the undersleeper beam body and the extending piece is more suitable for construction of bridges with different widths.
The plugging mechanism is arranged in the invention and is used for forming a protection area between the under-sleeper beam body and the extension piece, so that on one hand, the first threaded rod in the protection area can be protected to avoid corrosion caused by long-time work, and on the other hand, the rigidity between the under-sleeper beam body and the extension piece can be increased to prevent dislocation of the under-sleeper beam body and the extension piece in the vertical direction.
The reinforcing rib component is used for assisting the plugging mechanism, so that the rigidity between the undersleeper beam body and the extension piece is further enhanced, and dislocation of the undersleeper beam body and the extension piece in the vertical direction is prevented.
The invention provides a fixing mechanism for locking the relative positions of a first threaded rod and a limiting thread groove, in particular to a protective cover which can rotate with a second threaded rod after the relative positions of a sleeper beam body and an extension piece are adjusted through the first threaded rod, at the moment, the second threaded rod can rotate left under the action of a locking threaded hole and enter the locking thread groove, so that the first threaded rod and the limiting thread groove are locked together, and the sleeper beam body and the extension piece are locked together.
The locking mechanism is arranged in the invention and is used for locking the positions of the plugging cover and the plugging groove, so that the relative positions of the sleeper beam body and the extending piece are further locked, the structural design of the locking mechanism is reasonable, the locking mechanism can be automatically adjusted in the process of adjusting the movement of the fixing mechanism, thus the operation difficulty of equipment can be reduced, meanwhile, the high efficiency performance of the equipment can be improved, in particular, the left movement of the protective cover can conflict with the left movement of the abutting piece and the third threaded rod, the left movement of the third threaded rod can enable the internal threaded pipe to rotate, and the locking rod is driven by the driving gear, the straight toothed bar and the moving plate to move upwards and enter the locking groove, so that the plugging cover and the plugging groove are locked together.
The abutting piece comprises the combined structure of the abutting rod, the telescopic groove, the telescopic rod and the first spring, and the combined structure has the telescopic function in the horizontal direction, so that the length of the abutting piece can be adjusted according to different distances between the undersleeper beam body and the extending piece, and the locking rod can be ensured to enter the locking groove all the time.
Drawings
FIG. 1 is a schematic view of an embodiment of an underbump of the present invention and a method of using the same;
FIG. 2 is a schematic view of a partial cross-sectional structure of the undersleeper beam of the present invention and method of using the same in FIG. 1;
FIG. 3 is a schematic view of a partial perspective view of the underbump body of FIG. 1 illustrating a method of using the underbump of the present invention;
FIG. 4 is a schematic view of the structure of the fixing mechanism of the undersleeper beam and the method of using the same;
FIG. 5 is a schematic view of the structure of the locking mechanism of the undersleeper beam and method of use thereof;
fig. 6 is an enlarged schematic view of the structure a of fig. 5 showing the undersleeper beam and method of using the same.
The reference numerals are as follows:
the sleeper beam body 1, the extension member 2, the adjustment assembly 3, the rotation groove 31, the adjustment plate 32, the limit screw hole 33, the first threaded rod 34, the limit screw groove 35, the blocking mechanism 4, the blocking cover 41, the blocking groove 42, the reinforcing bar assembly 5, the reinforcing bar body 51, the installation groove 52, the fixing mechanism 6, the locking screw hole 61, the locking screw groove 62, the second threaded rod 63, the protection cover 64, the locking mechanism 7, the interference member 71, the interference rod 711, the telescopic groove 712, the telescopic rod 713, the first spring 714, the moving hole 72, the second spring 73, the internal threaded tube 74, the driving gear 75, the straight toothed bar 76, the moving plate 77, the locking rod 78, the locking groove 79, the guide limit assembly 710, the bearing block 715, and the third threaded rod 720.
Detailed Description
The invention is further illustrated below with reference to figures 1-6 and examples:
the invention relates to a sleeper underbeam, which comprises an sleeper underbeam body 1, extension pieces 2 are arranged at two ends of the sleeper underbeam body 1, an adjusting component 3 is arranged on the sleeper underbeam body 1 and the extension pieces 2, the adjusting component 3 comprises a limit threaded groove 35 formed in the sleeper underbeam body 1 and a limit threaded hole 33 formed in the extension pieces 2, wherein the limit threaded hole 33 and the internal threads of the limit threaded groove 35 are provided with first threaded rods 34, when the first threaded rods 34 are turned, the extension pieces 2 can move close to or far away from the sleeper underbeam body 1 through the limit threaded holes 33 and the limit threaded grooves 35, one end of each first threaded rod 34 outside the limit threaded grooves 35 is fixedly connected with an adjusting disc 32, the adjusting disc 32 is rotatably arranged in a rotating groove 31, the rotating groove 31 is formed in the extension pieces 2, one side of each adjusting disc 32 far away from the first threaded rod 34 is provided with cross grooves, the sleeper underbeam body 1 is improved in structure, and the extension pieces 2 can move relatively to the sleeper underbeam body 1, so that the sleeper underbeam body 2 can not move relatively to the sleeper underbeam body 1, and the sleeper underbeam body 1 can not be suitable for the sleeper underbeam body 1, and the sleeper underbeam body can be changed in length.
The adjusting component 3 is arranged in the invention and is used for adjusting the relative positions of the undersleeper beam body 1 and the extension piece 2, in particular, the adjusting disk 32 is screwed, the adjusting disk 32 can rotate with the first threaded rod 34, and the rotation of the first threaded rod 34 can enable the extension piece 2 to move close to or away from the undersleeper beam body 1 through the limit threaded hole 33 and the limit threaded groove 35, so that the whole length of the undersleeper beam body 1 and the extension piece 2 is shortened or lengthened, and the whole of the undersleeper beam body 1 and the extension piece 2 is more suitable for construction of bridges with different widths.
In this embodiment, a blocking mechanism 4 is disposed between the underbump body 1 and the extension member 2, the blocking mechanism 4 includes a blocking groove 42 formed on the extension member 2, and a blocking cover 41 movably disposed in the blocking groove 42, one end of the blocking cover 41 located outside the blocking groove 42 is fixedly connected to a side wall of the underbump body 1, and the blocking mechanism 4 is disposed in the present invention, so that a protection area is formed between the underbump body 1 and the extension member 2, on one hand, the first threaded rod 34 in the protection area can be protected to avoid corrosion during long-time operation, on the other hand, rigidity between the underbump body 1 and the extension member 2 can be increased to prevent dislocation between the underbeam body 1 and the extension member 2 in a vertical direction.
In this embodiment, a stiffener assembly 5 is disposed between the underbump body 1 and the extension member 2, the stiffener assembly 5 includes a mounting groove 52 formed on the underbump body 1, and a stiffener body 51 movably disposed in the mounting groove 52, one end of the stiffener body 51 located outside the mounting groove 52 is fixedly connected to a side wall of the extension member 2, and the stiffener assembly 5 is disposed in the present invention for assisting the plugging mechanism 4, thereby further enhancing the rigidity between the underbump body 1 and the extension member 2, and preventing the underbump body 1 and the extension member 2 from being dislocated in the vertical direction.
In this embodiment, a fixing mechanism 6 is disposed between the underbump body 1 and the extension member 2, the fixing mechanism 6 includes a locking threaded hole 61 formed on the adjusting disc 32 and the first threaded rod 34, and a locking threaded groove 62 formed on the bottom wall of the limiting threaded groove 35, and further includes a second threaded rod 63 screwed into the locking threaded hole 61, one end of the second threaded rod 63 located outside the locking threaded hole 61 is fixedly connected with a protecting cover 64, and the fixing mechanism 6 is provided for locking the relative positions of the first threaded rod 34 and the limiting threaded groove 35, specifically, after the relative positions of the underbump body 1 and the extension member 2 are adjusted by the first threaded rod 34, the protecting cover 64 is screwed, the protecting cover 64 rotates with the second threaded rod 63, at this time, the second threaded rod 63 rotates to the left under the action of the locking threaded hole 61 and enters into the locking threaded groove 62, so as to lock the first threaded rod 34 and the limiting threaded groove 35 together, and further lock the underbump body 1 and the extension member 2 together.
In this embodiment, the locking mechanism 7 is disposed on the underbeam body 1 and the extension member 2, the locking mechanism 7 includes a moving hole 72 disposed on the extension member 2, an abutting member 71 is movably disposed in the moving hole 72, one end of the abutting member 71 disposed in the moving hole 72 is fixedly connected with a third threaded rod 720, the third threaded rod 720 is externally wound and connected with a second spring 73, two ends of the second spring 73 are respectively and fixedly connected to a side wall of the third threaded rod 720 and a side wall of the moving hole 72, an internal threaded tube 74 is sleeved on an external thread of the third threaded rod 720, the internal threaded tube 74 is rotatably disposed on a side wall of the extension member 2, a driving gear 75 is fixedly sleeved on an external thread of the internal threaded tube 74, the driving gear 75 is meshed with a straight toothed bar 76, the straight toothed bar 76 is fixedly disposed on a side wall of the moving plate 77, a locking bar 78 is fixedly connected to an upper end of the moving plate 77, one end of the guiding and limiting component 710 is fixedly connected to a lower end of the moving plate 77, and the other end of the guiding and limiting component 710 is fixedly connected to an upper end face of the supporting block 715 of the extending member 2.
The locking mechanism 7 is arranged in the invention and is used for locking the positions of the plugging cover 41 and the plugging groove 42, so that the relative positions of the sleeper beam body 1 and the extension piece 2 are further locked, the locking mechanism 7 is reasonable in structural design, and the locking mechanism 7 can be automatically adjusted in the process of adjusting the movement of the fixing mechanism 6, so that the operation difficulty of equipment can be reduced, meanwhile, the high efficiency performance of the equipment can be improved, in particular, the left movement of the protective cover 64 can collide with the abutting piece 71 and the third threaded rod 720 to move left, and the left movement of the third threaded rod 720 can enable the internal threaded tube 74 to rotate, so that the driving gear 75, the straight tooth bar 76 and the moving plate 77 move upwards with the locking rod 78 and enter the locking groove 79, and the plugging cover 41 and the plugging groove 42 are locked together.
In this embodiment, the abutting member 71 includes an abutting rod 711 movably disposed in the moving hole 72, and a telescopic slot 712 formed on the abutting rod 711, the telescopic rod 713 is movably inserted into the telescopic slot 712, and the telescopic rod 713 is one end of a first spring 714 wound around the telescopic rod 713, two ends of the first spring 714 are respectively fixedly connected to a side wall of the telescopic rod 713 and a side wall of the abutting rod 711, one end of the telescopic rod 713 located outside the telescopic slot 712 is fixedly connected to a third threaded rod 720, the abutting member 71 in the present invention includes a combined structure of the abutting rod 711, the telescopic slot 712, the telescopic rod 713 and the first spring 714, and the combined structure has a telescopic function in a horizontal direction, so that the length of the abutting member 71 can be adjusted according to different distances between the undersleeper beam body 1 and the extension member 2, thereby ensuring that the locking rod 78 can always enter the locking slot 79.
In this embodiment, the guiding and limiting assembly 710 comprises a guiding and limiting rod, a guiding and limiting cylinder and a guiding and limiting spring, the guiding and limiting rod is movably inserted into the guiding and limiting cylinder, the guiding and limiting spring is wound and connected outside the guiding and limiting rod, two ends of the guiding and limiting spring are respectively and fixedly connected to the side wall of the guiding and limiting rod and the outer side wall of the guiding and limiting cylinder, and the guiding and limiting assembly 710 is arranged, so that the guiding and limiting assembly 710 can be used for supporting and limiting the movement of the moving plate 77 and simultaneously can also provide power for the reset movement of the moving plate 77.
In this embodiment, the method for using the underframe includes the following steps:
screwing the first threaded rod 34 to adjust the relative positions of the undersleeper beam body 1 and the extension member 2 through the limit threaded hole 33 and the limit threaded groove 35 to adjust the overall lengths of the undersleeper beam body 1 and the extension member 2;
the fixing mechanism 6 is screwed to fixedly arrange the first threaded rod 34 in the limit thread groove 35, and the sealing of the adjusting disc 32 is realized through the protective cover 64;
movement of the protective cover 64 will actuate movement of the locking mechanism 7 to lock the occlusion cover 41 within the occlusion groove 42.
The invention has the beneficial effects that:
the invention improves the existing structure of the undersleeper beam, the extension pieces 2 are arranged at the two ends of the undersleeper beam body 1, and the extension pieces 2 can move relative to the undersleeper beam body 1, so that the integral length of the undersleeper beam body 1 and the extension pieces 2 is changed, and the undersleeper beam body 1 can be suitable for bridge construction with different widths.
The adjusting component 3 is arranged in the invention and is used for adjusting the relative positions of the undersleeper beam body 1 and the extension piece 2, in particular, the adjusting disk 32 is screwed, the adjusting disk 32 can rotate with the first threaded rod 34, and the rotation of the first threaded rod 34 can enable the extension piece 2 to move close to or away from the undersleeper beam body 1 through the limit threaded hole 33 and the limit threaded groove 35, so that the whole length of the undersleeper beam body 1 and the extension piece 2 is shortened or lengthened, and the whole of the undersleeper beam body 1 and the extension piece 2 is more suitable for construction of bridges with different widths.
The plugging mechanism 4 is arranged in the invention and is used for forming a protection area between the under-sleeper beam body 1 and the extension piece 2, so that on one hand, the first threaded rod 34 in the protection area can be protected to avoid corrosion caused by long-time work, and on the other hand, the rigidity between the under-sleeper beam body 1 and the extension piece 2 can be increased to prevent the under-sleeper beam body 1 and the extension piece 2 from being misplaced in the vertical direction.
The invention is provided with the reinforcing rib component 5 for assisting the plugging mechanism 4, thereby further enhancing the rigidity between the undersleeper beam body 1 and the extension piece 2 and preventing the undersleeper beam body 1 and the extension piece 2 from being misplaced in the vertical direction.
The fixing mechanism 6 is provided in the present invention, and is used for locking the relative positions of the first threaded rod 34 and the limit thread groove 35, specifically, after the relative positions of the underoccipital beam body 1 and the extension member 2 are adjusted by the first threaded rod 34, the protective cover 64 is screwed, the protective cover 64 rotates with the second threaded rod 63, at this time, under the action of the locking threaded hole 61, the second threaded rod 63 is rotated to move leftwards and enters the locking thread groove 62, so that the first threaded rod 34 and the limit thread groove 35 are locked together, and the underoccipital beam body 1 and the extension member 2 are locked together.
The locking mechanism 7 is arranged in the invention and is used for locking the positions of the plugging cover 41 and the plugging groove 42, so that the relative positions of the sleeper beam body 1 and the extension piece 2 are further locked, the locking mechanism 7 is reasonable in structural design, and the locking mechanism 7 can be automatically adjusted in the process of adjusting the movement of the fixing mechanism 6, so that the operation difficulty of equipment can be reduced, meanwhile, the high efficiency performance of the equipment can be improved, in particular, the left movement of the protective cover 64 can collide with the abutting piece 71 and the third threaded rod 720 to move left, and the left movement of the third threaded rod 720 can enable the internal threaded tube 74 to rotate, so that the driving gear 75, the straight tooth bar 76 and the moving plate 77 move upwards with the locking rod 78 and enter the locking groove 79, and the plugging cover 41 and the plugging groove 42 are locked together.
The abutting member 71 of the present invention includes a combination structure of the abutting lever 711, the telescopic groove 712, the telescopic lever 713 and the first spring 714, which is provided with a telescopic function in the horizontal direction, so that the length of the abutting member 71 can be adjusted according to different distances between the under-sleeper beam body 1 and the extension member 2, thereby ensuring that the locking lever 78 can always enter into the locking groove 79.
The embodiments of the present invention are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various extensions and modifications can be made without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a sleeper underbeam, includes sleeper underbeam body (1), its characterized in that, sleeper underbeam body (1) both ends all are provided with extension piece (2), be provided with on sleeper underbeam body (1) and extension piece (2) adjusting part (3), adjusting part (3) are including seting up spacing screw thread groove (35) on sleeper underbeam body (1) to and seting up spacing screw thread hole (33) on extension piece (2), wherein, spacing screw thread hole (33) and spacing screw thread groove (35) internal thread are provided with first threaded rod (34), when knob first threaded rod (34), through spacing screw thread hole (33) and spacing screw thread groove (35) to make extension piece (2) can do near or keep away from the motion relative sleeper underbeam body (1);
one end of the first threaded rod (34) positioned outside the limit threaded groove (35) is fixedly connected with an adjusting disc (32), the adjusting disc (32) is rotatably arranged in the rotating groove (31), the rotating groove (31) is formed in the extension piece (2), and a cross-shaped groove is formed in one side, far away from the first threaded rod (34), of the adjusting disc (32);
a blocking mechanism (4) is arranged between the sleeper beam body (1) and the extension piece (2), the blocking mechanism (4) comprises a blocking groove (42) formed in the extension piece (2) and a blocking cover (41) movably arranged in the blocking groove (42), and one end of the blocking cover (41) positioned outside the blocking groove (42) is fixedly connected to the side wall of the sleeper beam body (1);
a locking mechanism (7) is arranged on the lower sleeper beam body (1) and the extension piece (2);
the locking mechanism (7) comprises a moving hole (72) formed in the extending part (2), an abutting part (71) is movably arranged in the moving hole (72), one end of the abutting part (71) located in the moving hole (72) is fixedly connected with a third threaded rod (720), a second spring (73) is connected with the third threaded rod (720) in an outward winding mode, two ends of the second spring (73) are respectively and fixedly connected to the side wall of the third threaded rod (720) and the side wall of the moving hole (72), an inner threaded pipe (74) is sleeved on the outer threaded sleeve of the third threaded rod (720), the inner threaded pipe (74) is rotatably arranged on the side wall of the extending part (2), a driving gear (75) is fixedly sleeved on the outer threaded pipe (74), the driving gear (75) is meshed with a straight toothed bar (76), the straight toothed bar (76) is fixedly arranged on the side wall of the moving plate (77), the upper end of the moving plate (77) is fixedly connected with a locking rod (78), a plurality of locking guide blocks (710) are formed in the cover (41) and are fixedly connected with the upper end face of the guide block (710) of the locking block (710) at the other end face of the guide block (710), the bearing block (715) is fixedly connected to the side wall of the extension piece (2).
2. The underoccipital beam of claim 1, wherein: be provided with strengthening rib subassembly (5) between sleeper underbeam body (1) and extension (2), strengthening rib subassembly (5) are including seting up mounting groove (52) on sleeper underbeam body (1) to and activity setting up strengthening rib body (51) in mounting groove (52), one end fixed connection that strengthening rib body (51) are located outside mounting groove (52) is on the lateral wall of extension (2).
3. The underoccipital beam of claim 1, wherein: be provided with fixed establishment (6) between sleeper beam body (1) and extension (2), fixed establishment (6) are including seting up locking screw hole (61) on regulating plate (32) and first threaded rod (34) to and seting up locking screw groove (62) on spacing screw groove (35) diapire, still include second threaded rod (63) of screw grafting in locking screw hole (61), one end fixedly connected with safety cover (64) that second threaded rod (63) are located outside locking screw hole (61).
4. The underoccipital beam of claim 1, wherein: the contact rod (711) of contradicting piece (71) in moving hole (72) is including the activity setting to and set up expansion tank (712) on conflict pole (711), expansion tank (712) internal activity is pegged graft and is had expansion rod (713), and expansion rod (713) are the one end that the winding was provided with first spring (714), the both ends of first spring (714) are fixed connection respectively on the lateral wall of expansion rod (713) and on the lateral wall of conflict pole (711), one end fixed connection on third threaded rod (720) that expansion rod (713) are located outside expansion tank (712).
5. The underoccipital beam of claim 4 wherein: the guide limiting assembly (710) comprises a guide limiting rod, a guide limiting cylinder and a guide limiting spring, wherein the guide limiting rod is movably inserted into the guide limiting cylinder, the guide limiting spring is wound and connected outside the guide limiting rod, and two ends of the guide limiting spring are respectively and fixedly connected onto the side wall of the guide limiting rod and the outer side wall of the guide limiting cylinder.
6. The method of using the underoccipital beam of any one of claims 1-5, comprising the steps of:
screwing the first threaded rod (34) to adjust the relative positions of the underframe body (1) and the extension piece (2) through the limit threaded hole (33) and the limit threaded groove (35) so as to adjust the overall length of the underframe body (1) and the extension piece (2);
the screwing fixing mechanism (6) is used for fixedly arranging the first threaded rod (34) in the limit threaded groove (35) and plugging the adjusting disc (32) through the protective cover (64);
movement of the protective cover (64) drives the locking mechanism (7) to move so as to lock the plugging cover (41) in the plugging groove (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200019034A (en) * | 2018-08-13 | 2020-02-21 | 구동길 | A Expansion Joint Apparatus for Bridge Structure with a Adjusting Height and Presetting |
| CN112681120A (en) * | 2020-12-16 | 2021-04-20 | 青岛酒店管理职业技术学院 | Elastic iron base plate vibration reduction support for bridge and building structural engineering and installation method |
| CN215104296U (en) * | 2021-04-22 | 2021-12-10 | 来安县创达车辆装配有限公司 | Special high strength sleeper of track high-speed railway |
| CN216615456U (en) * | 2021-11-04 | 2022-05-27 | 邵长顺 | Public road bridge roof beam stop device that falls is prevented to bridge |
| CN217203640U (en) * | 2022-04-01 | 2022-08-16 | 辽宁交通建设集团有限公司 | Road and bridge construction attachment strap structure |
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- 2023-04-21 CN CN202310436480.5A patent/CN116463929B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200019034A (en) * | 2018-08-13 | 2020-02-21 | 구동길 | A Expansion Joint Apparatus for Bridge Structure with a Adjusting Height and Presetting |
| CN112681120A (en) * | 2020-12-16 | 2021-04-20 | 青岛酒店管理职业技术学院 | Elastic iron base plate vibration reduction support for bridge and building structural engineering and installation method |
| CN215104296U (en) * | 2021-04-22 | 2021-12-10 | 来安县创达车辆装配有限公司 | Special high strength sleeper of track high-speed railway |
| CN216615456U (en) * | 2021-11-04 | 2022-05-27 | 邵长顺 | Public road bridge roof beam stop device that falls is prevented to bridge |
| CN217203640U (en) * | 2022-04-01 | 2022-08-16 | 辽宁交通建设集团有限公司 | Road and bridge construction attachment strap structure |
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| CN116463929A (en) | 2023-07-21 |
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