CN213086555U - Bridge expansion device with sliding blocks - Google Patents
Bridge expansion device with sliding blocks Download PDFInfo
- Publication number
- CN213086555U CN213086555U CN202021646559.9U CN202021646559U CN213086555U CN 213086555 U CN213086555 U CN 213086555U CN 202021646559 U CN202021646559 U CN 202021646559U CN 213086555 U CN213086555 U CN 213086555U
- Authority
- CN
- China
- Prior art keywords
- plate
- sliding
- bridge
- bridge expansion
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge telescoping device field discloses a take bridge telescoping device of slider, including fixed fishback, activity fishback and displacement case. The fixed comb plate is fixedly connected to a first beam body at one side of the bridge expansion joint, one end of the movable comb plate is fixedly connected to a second beam body at the other side of the bridge expansion joint, the other end of the movable comb plate spans the bridge expansion joint and is placed on the first beam body, and comb teeth of the movable comb plate and comb teeth of the fixed comb plate are mutually crossed; the displacement box is arranged on the first beam body and connected with the movable comb plate, and a box body of the displacement box is fixedly arranged on the first beam body; the sliding block is arranged in the box body in a sliding manner along the bridge direction, penetrates through the top plate of the box body and is connected with the comb teeth of the movable comb plate; the buffer support is arranged on the sliding block and positioned between the sliding block and the box body, and the buffer support is used for buffering the vertical movement of the sliding block. The utility model discloses in, the slider in the displacement case plays the anchor effect to movable fishback, avoids movable fishback perk to warp or even fracture.
Description
Technical Field
The utility model relates to a bridge telescoping device field especially relates to a take bridge telescoping device of slider.
Background
In a normal use state, a bridge deck is deformed due to temperature, load change, concrete creep, or the like. Therefore, bridge expansion joints can be arranged between two ends of the bridge, between the bridge and the abutment or on the hinged position of the bridge, and the bridge expansion device is arranged on the bridge expansion joints so as to meet the requirement of bridge deformation and ensure the driving safety and comfort and the safety of the bridge structure.
The comb plate type expansion device has the advantages of simple structure, clear stress and the like, and is widely used in large-displacement bridge expansion joints. The transverse displacement of the telescopic device is caused by transverse wind force, seismic force and the like, and the vertical displacement of the telescopic device is caused by vertical loads of vehicles and the like. The movable comb plate of the comb plate type telescopic device mainly bears the circulating pulse type vertical load of a vehicle, and the two ends of the movable comb plate are easy to tilt up when the movable comb plate is used for a long time, so that the movable comb plate deforms and breaks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take bridge telescoping device of slider avoids the broach warp of activity fishback, improves the life of activity fishback.
In order to realize the purpose, the following technical scheme is provided:
provide for
A bridge expansion device with a sliding block comprises:
a fixed comb plate fixedly connected on the first beam body at one side of the bridge expansion joint,
one end of the movable comb plate is fixedly connected to the second beam body on the other side of the bridge expansion joint, the other end of the movable comb plate spans the bridge expansion joint and is overlapped on the first beam body, and comb teeth of the movable comb plate are crossed with comb teeth of the fixed comb plate;
the displacement box is arranged on the first beam body and is connected with the movable comb plate;
the displacement tank comprises:
the box body is fixedly arranged on the first beam body;
the sliding block is arranged in the box body in a sliding mode along the bridge direction, penetrates through a top plate of the box body and is connected with the comb teeth of the movable comb plate;
and the buffer support is connected to the sliding block and positioned between the sliding block and the box body so as to buffer the vertical movement of the sliding block.
As a preferable scheme of the bridge expansion device with the sliding blocks, the plurality of displacement boxes are arranged on the first beam body at intervals in the transverse bridge direction, each displacement box comprises one sliding block, each sliding block comprises one sliding portion and two connecting portions arranged on the sliding portion, and one end, far away from the sliding portion, of each connecting portion penetrates through an avoiding sliding hole in the top plate and is correspondingly connected with the comb teeth of the movable comb plate.
As an optimal scheme of the bridge expansion device with the sliding block, the displacement box is provided with one, the sliding block comprises a sliding part and a plurality of connecting parts arranged on the sliding part, the sliding part is arranged in the box body, and one ends, far away from the sliding part, of the connecting parts penetrate through avoiding sliding holes in the top plate and are connected with comb teeth of the movable comb plate in a one-to-one correspondence manner.
As an optimal scheme of the bridge expansion device with the sliding block, the buffering support comprises a lower buffering support and an upper buffering support, the upper buffering support and the lower buffering support are respectively connected to the upper side and the lower side of the sliding part, the upper buffering support is clamped between the sliding part and the top plate, and the lower buffering support is clamped between the sliding part and the bottom plate of the box body.
As a preferable scheme of the bridge expansion device with the sliding block, two first limit blocks are arranged at intervals on the upper side of the sliding portion, two second limit blocks are arranged at intervals on the lower side of the sliding portion, the upper buffer support is clamped between the two first limit blocks on the upper side of the sliding portion, and the lower buffer support is clamped between the two second limit blocks on the lower side of the sliding portion.
As a preferable scheme of the bridge expansion device with the sliding block, a first fluorine plate is arranged at the top of the upper buffer support, a first stainless steel plate is arranged on the inner side of the top plate, and the first fluorine plate can slide along the first stainless steel plate;
the bottom of lower buffer support is provided with the second fluorine board, the inboard of bottom plate is provided with the second stainless steel board, the second fluorine board can be followed the second stainless steel board slides.
As a preferable scheme of the bridge expansion device with the sliding block, a first guide groove is formed in the first stainless steel plate, and the first fluorine plate can slide along the first guide groove; and/or the presence of a gas in the gas,
and a second guide groove is formed in the second stainless steel plate, and the second fluorine plate can slide along the second guide groove.
As a preferable scheme of the bridge expansion device with the sliding block, the sliding block is connected to the end of the comb teeth of the movable comb plate.
As an optimal scheme of the bridge expansion device with the sliding blocks, the movable comb plate is connected with the second beam body through bolts, a containing groove for containing the head of the bolts is formed in the movable comb plate, the bottom surface of the head is a first cambered surface, and the bottom of the containing groove is a second cambered surface matched with the first cambered surface.
As a preferable scheme of the bridge expansion device with the sliding block, the bolt is an anchor bolt.
The utility model has the advantages that:
the utility model provides an among the bridge telescoping device of area slider, activity fishback and fixed fishback play the effect of supporting through the vehicle, activity fishback can take place certain horizontal migration in the same direction as the bridge along with the bridge simultaneously, small vertical migration and small rotation, the slider slidable ground of displacement case sets up in the box, the slider passes the roof of box and corresponds with the broach of activity fishback and be connected, the slider can take place certain in the same direction as the bridge along with activity fishback and to remove and small vertical migration or rotate, the slider plays the anchor effect to the broach of activity fishback, avoid broach warp to warp and split even, improve the life of activity fishback. The buffering support slides along with the slider in the lump, and certain deformation can take place for buffering support itself to make the slider can take place little vertical movement in the box, and cushion the little vertical movement of slider, and then reduce the vertical displacement of the broach of activity fishback, buckle or twist reverse.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a cross-sectional view of a bridge expansion device with a slider according to an embodiment of the present invention installed on a bridge;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a front view of a slider according to an embodiment of the present invention;
fig. 4 is a top view of a slider according to an embodiment of the present invention;
fig. 5 is a top view of a top plate of a box provided in an embodiment of the present invention;
fig. 6 is a schematic view of a connection between a slide block and a movable comb plate provided in an embodiment of the present invention;
fig. 7 is a front view of an upper buffering support according to an embodiment of the present invention;
fig. 8 is a top view of an upper cushion support according to an embodiment of the present invention.
Reference numerals:
10-a first beam; 20-a second beam; 30-bolts; 301-a head; 3011-a first arc;
1-fixing a comb plate; 2-a movable comb plate; 3-displacement box; 5-a second fluorine plate; 6-second stainless steel; 7-a first fluorine plate; 8-a first stainless steel plate;
21-accommodating grooves; 211-second cambered surface;
31-a box body; 32-a slide block; 33-a buffer support;
311-a backplane; 312-a top plate; 3121-avoiding slide holes;
321-a sliding part; 322-a connecting portion;
331-lower buffer support; 332-upper cushion support;
3321-avoiding the notch;
41-a first stopper; 42-second stopper.
Detailed Description
In order to make the technical problems, technical solutions adopted and technical effects achieved by the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the present embodiment provides a bridge expansion device with sliding blocks, which is installed between a first beam 10 and a second beam 20 at two sides of a bridge expansion joint. The bridge expansion device with the sliding blocks comprises a fixed comb plate 1 and a movable comb plate 2. Wherein, fixed fishback 1 fixed connection is on the first roof beam body 10 of bridge expansion joint one side, and the one end fixed connection of activity fishback 2 is on the second roof beam body 20 of bridge expansion joint opposite side, and the other end strides the bridge expansion joint and takes and put on first roof beam body 10. The broach of activity fishback 2 and the broach intercrossing of fixed fishback 1 and have the gap, and fixed fishback 1 and activity fishback 2 are whole bridge telescoping device's basis, play the effect that supports through the vehicle, and activity fishback 2 can take place certain horizontal migration, small vertical movement and small rotation in the same direction as the bridge along with the bridge. Be provided with the displacement case 3 of being connected with activity fishback 2 on the first roof beam body 10 to play certain anchor effect to activity fishback 2, avoid activity fishback 2 perk to warp and warp or even fracture.
The displacement box 3 includes a box body 31, a slider 32, and a buffer holder 33. The box 31 is fixedly arranged on the first beam 10, the sliding block 32 is slidably arranged in the box 31, and the sliding block 32 penetrates through the top plate 312 of the box 31 and is connected with the comb teeth of the movable comb plate 2. Slider 32 can take place certain in the same direction as bridge to the removal and small vertical movement or rotate along with activity fishback 2, and slider 32 plays the anchor effect to the broach of activity fishback 2, avoids broach warp to warp fracture even, improves activity fishback 2's life. Buffering support 33 sets up on slider 32 and is located between slider 32 and the box 31, and buffering support 33 slides along with slider 32 in the lump, and certain deformation can take place for buffering support 33 itself to make slider 32 can take place little vertical movement in box 31, and cushion slider 32's little vertical movement, and then reduce the vertical displacement of the broach of activity fishback 2, buckle or twist reverse.
Preferably, slider 32 is connected in the tip of the broach of activity fishback 2, improves the anchor moment to the broach, effectively avoids broach warp to warp. Of course, in other embodiments, the sliding block 32 may also be connected to the non-end portion of the comb teeth of the movable comb plate 2, or one comb tooth is connected to a plurality of sliding blocks 32, and the plurality of sliding blocks 32 are arranged at intervals along the length direction of the comb teeth, so as to improve the anchoring force to the comb teeth.
Illustratively, referring to fig. 1, 3, 4 and 5, the sliding block 32 includes a sliding portion 321 and a connecting portion 322 connected with each other, the sliding portion 321 is located in the box 31, and one end of the connecting portion 322, which is far away from the sliding portion 321, passes through the avoiding sliding hole 3121 on the top plate 312 of the box 31 and is connected with the comb teeth of the movable comb plate 2. The avoiding slide hole 3121 on the top plate 312 of the box body 31 is used for avoiding the forward and backward sliding of the connecting portion 322, and ensures that the sliding block 32 slides smoothly. Alternatively, the sliding portion 321 and the connecting portion 322 may be a single-piece structure, or may be welded or screwed, and the like, and are not limited herein. Preferably, connecting portion 322 passes through the bolt with the broach of activity fishback 2 and can dismantle the connection, connects firmly, easy dismounting. Of course, the connecting portion 322 and the comb teeth of the movable comb plate 2 may also be connected by riveting or welding, and the like, which is not limited herein.
In this embodiment, a plurality of displacement boxes 3 are provided, the plurality of displacement boxes 3 are arranged on the first beam body 10 at intervals in the transverse bridge direction, a sliding block 32 is arranged in the box body 31 of each displacement box 3, referring to fig. 3-6, each sliding block 32 includes a sliding portion 321 and two connecting portions 322 arranged at intervals, the two connecting portions 322 pass through the avoiding sliding hole 3121 on the top plate 312 of the box body 31 and are connected with two adjacent comb teeth, and each comb tooth is connected with one connecting portion 322.
In other embodiments, one displacement box 3 may be provided, and a plurality of laterally bridging and spaced sliding blocks 32 are provided in the box 31, or one sliding block 32 is provided in the box 31, and the sliding block 32 includes a connecting portion 322 and a plurality of spaced connecting portions 322, and the plurality of connecting portions 322 extend out of the avoiding sliding hole 3121 of the top plate 312 of the box 31 and are connected with the plurality of comb teeth of the movable comb plate 2 in a one-to-one correspondence manner.
In this embodiment, referring to fig. 1 and 7, the buffer support 33 includes an upper buffer support 332 and a lower buffer support 331, the lower buffer support 331 is interposed between the sliding portion 321 and the bottom plate 311 of the box 31, and the upper buffer support 332 is interposed between the sliding portion 321 and the top plate 312 of the box 31, so that the buffer effect on the sliding portion 321 and the entire slider 32 is good, and the vertical displacement, bending or twisting of the comb teeth of the movable comb plate 2 is effectively reduced. Referring to fig. 8, the upper cushion support 332 is provided with an avoidance gap 3321 for avoiding the connecting portion 322.
Optionally, the lower buffer support 331 and the upper buffer support 332 are made of rubber or silica gel, which has a certain deformation and rigidity, so as to ensure the vertical buffer effect on the sliding portion 321.
In this embodiment, the upper side of the sliding portion 321 is provided with two first stoppers 41 at intervals, and the lower side is provided with two second stoppers 42 at intervals. The two first stoppers 41 are respectively located at both ends of the upper cushion holder 332 in the sliding direction, and the upper cushion holder 332 is clamped between the two first stoppers 41 on the upper side of the sliding portion 321. The two second stoppers 42 are respectively located at both ends of the lower cushion base 331 in the sliding direction, and the lower cushion base 331 is clamped between the two second stoppers 42 at the lower side of the sliding portion 321. The sliding portion 321 drives the upper buffer support 332 to move along the bridge direction together through the two first stoppers 41, and drives the lower buffer support 331 to move along the bridge direction together through the two second stoppers 42.
Preferably, referring to fig. 1 and 7, a first fluorine plate 7 is disposed on the top of the upper buffer holder 332, a first stainless steel plate 8 corresponding to the first fluorine plate 7 is disposed on the inner side of the top plate 312 of the box 31, and the first fluorine plate 7 slides along the first stainless steel plate 8, thereby improving the smoothness of the bridge-wise movement of the upper buffer holder 332 and the slider 32. Similarly, the bottom of the lower buffer holder 331 is provided with the second stainless steel plate 5, the inner side of the bottom plate 311 of the box 31 is provided with the second stainless steel plate 6 corresponding to the second stainless steel plate 5, and the second stainless steel plate 6 slides along the second stainless steel plate 5, so that the smoothness of the bridge-wise movement of the lower buffer holder 331 and the slider 32 is improved.
Alternatively, the first stainless steel plate 8 is provided with a first guide groove along which the first fluorine plate 7 slides, the second stainless steel plate 6 is provided with a second guide groove along which the second fluorine plate 5 slides to guide the bridge-wise movement of the upper buffer support 332, the lower buffer support 331 and the slider 32,
exemplarily, referring to fig. 1 and 2, the movable comb plate 2 is connected to the second beam 20 by a bolt 30, and the bolt 30 is threaded to the second beam 20 after passing through the movable comb plate 2. Be provided with the holding tank 21 that holds the head 301 of bolt 30 on the activity fishback 2, the bottom surface of head 301 is first cambered surface 3011, the tank bottom of holding tank 21 for with the second cambered surface 211 of first cambered surface 3011 looks adaptation, reduce the resistance when activity fishback 2 and displacement box 3 take place the micro-rotation around bolt 30. Preferably, the bolts 30 are anchor bolts, and the coupling strength is high.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a take bridge telescoping device of slider which characterized in that includes:
a fixed comb plate (1) which is fixedly connected on the first beam body (10) at one side of the bridge expansion joint,
one end of the movable comb plate (2) is fixedly connected to the second beam body (20) on the other side of the bridge expansion joint, the other end of the movable comb plate spans the bridge expansion joint and is overlapped on the first beam body (10), and comb teeth of the movable comb plate (2) are mutually crossed with comb teeth of the fixed comb plate (1);
the displacement box (3) is arranged on the first beam body (10) and is connected with the movable comb plate (2);
the displacement tank (3) comprises:
a box body (31) fixedly arranged on the first beam body (10);
the sliding block (32) is arranged in the box body (31) in a sliding mode along the bridge direction, penetrates through a top plate (312) of the box body (31) and is connected with the comb teeth of the movable comb plate (2);
and the buffer support (33) is connected to the sliding block (32) and positioned between the sliding block (32) and the box body (31) so as to buffer the vertical movement of the sliding block (32).
2. The bridge expansion and contraction device with the sliding blocks according to claim 1, wherein a plurality of displacement boxes (3) are arranged on the first beam body (10) at intervals in the transverse direction, each displacement box (3) comprises one sliding block (32), each sliding block (32) comprises one sliding portion (321) and two connecting portions (322) arranged on the sliding portion (321), and one end of each connecting portion (322) far away from the sliding portion (321) penetrates through an avoiding sliding hole (3121) in the top plate (312) and is correspondingly connected with the comb teeth of the movable comb plate (2).
3. The bridge expansion and contraction device with the sliding block according to claim 1, wherein one displacement box (3) is provided, the sliding block (32) comprises a sliding portion (321) and a plurality of connecting portions (322) arranged on the sliding portion (321), the sliding portion (321) is located in the box body (31), and one ends of the connecting portions (322) far away from the sliding portion (321) penetrate through the avoiding sliding holes (3121) on the top plate (312) and are connected with the comb teeth of the movable comb plate (2) in a one-to-one correspondence manner.
4. The bridge expansion device with the sliding blocks according to claim 2 or 3, wherein the buffer support (33) comprises a lower buffer support (331) and an upper buffer support (332), the upper buffer support (332) and the lower buffer support (331) are respectively connected to the upper side and the lower side of the sliding part (321), the upper buffer support (332) is clamped between the sliding part (321) and the top plate (312), and the lower buffer support (331) is clamped between the sliding part (321) and the bottom plate (311) of the box body (31).
5. The bridge expansion device with sliding blocks according to claim 4, wherein two first stoppers (41) are provided at an interval on the upper side of the sliding portion (321), two second stoppers (42) are provided at an interval on the lower side of the sliding portion (321), the upper buffer support (332) is clamped between the two first stoppers (41) on the upper side of the sliding portion (321), and the lower buffer support (331) is clamped between the two second stoppers (42) on the lower side of the sliding portion (321).
6. The bridge expansion device with sliding blocks of claim 4,
a first fluorine plate (7) is arranged at the top of the upper buffer support (332), a first stainless steel plate (8) is arranged on the inner side of the top plate (312), and the first fluorine plate (7) can slide along the first stainless steel plate (8);
the bottom of lower buffer support (331) is provided with second fluorine board (5), the inboard of bottom plate (311) is provided with second stainless steel board (6), second fluorine board (5) can be followed second stainless steel board (6) slide.
7. The bridge expansion device with sliding blocks of claim 6,
the first stainless steel plate (8) is provided with a first guide groove, and the first fluorine plate (7) can slide along the first guide groove; and/or the presence of a gas in the gas,
and a second guide groove is formed in the second stainless steel plate (6), and the second fluorine plate (5) can slide along the second guide groove.
8. Bridge-expansion device with slider according to claim 1, characterized in that said slider (32) is connected to the end of the comb of said mobile comb plate (2).
9. The bridge expansion device with the sliding block according to claim 1, wherein the movable comb plate (2) is connected with the second beam body (20) through a bolt (30), an accommodating groove (21) for accommodating a head (301) of the bolt (30) is arranged on the movable comb plate (2), the bottom surface of the head (301) is a first cambered surface (3011), and the bottom of the accommodating groove (21) is a second cambered surface (211) matched with the first cambered surface (3011).
10. The bridge expansion device with sliding blocks according to claim 9, characterized in that said bolts (30) are anchor bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021646559.9U CN213086555U (en) | 2020-08-10 | 2020-08-10 | Bridge expansion device with sliding blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021646559.9U CN213086555U (en) | 2020-08-10 | 2020-08-10 | Bridge expansion device with sliding blocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213086555U true CN213086555U (en) | 2021-04-30 |
Family
ID=75629147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021646559.9U Active CN213086555U (en) | 2020-08-10 | 2020-08-10 | Bridge expansion device with sliding blocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213086555U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319096A (en) * | 2022-01-27 | 2022-04-12 | 中铁二十局集团第四工程有限公司 | Bridge expansion joint structure |
| CN114411543A (en) * | 2022-03-01 | 2022-04-29 | 江苏领跑梦设计研究有限公司 | Comb plate assembled expansion device |
-
2020
- 2020-08-10 CN CN202021646559.9U patent/CN213086555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319096A (en) * | 2022-01-27 | 2022-04-12 | 中铁二十局集团第四工程有限公司 | Bridge expansion joint structure |
| CN114411543A (en) * | 2022-03-01 | 2022-04-29 | 江苏领跑梦设计研究有限公司 | Comb plate assembled expansion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213086555U (en) | Bridge expansion device with sliding blocks | |
| CN108819972B (en) | A kind of rail vehicle and its hitch mounting assembly | |
| CN111254759A (en) | Suspension type single rail | |
| CN211547307U (en) | Novel become roof beam slab formula rubber support that falls is prevented in rigidity shock attenuation | |
| CN109204369A (en) | A kind of compartment hinge linkage and tramcar | |
| CN210368600U (en) | Connecting structure of steel truss bridge beam and longitudinal beam | |
| CN212641174U (en) | Recessive shear hinge device and bridge | |
| CN207193748U (en) | Double articulated body systems bridge extension joint | |
| CN217460246U (en) | Track panel stabilizing device | |
| CN219195648U (en) | Space abnormal-shaped arch rib supporting and adjusting device | |
| CN220203187U (en) | Steel column structure with good stability | |
| CN221276195U (en) | Driving track foundation | |
| CN219731636U (en) | Rigidity-variable support | |
| CN218813123U (en) | Bridge assembly and bridge | |
| CN218203835U (en) | Cable-stayed bridge cable steel anchor box for railway hybrid beam cable-stayed bridge | |
| CN212316566U (en) | Suspension type single rail | |
| CN114319089B (en) | Malocclusion tensile fixed support structure | |
| CN220842187U (en) | Engine support fixed knot constructs | |
| CN221173836U (en) | Horizontal loading test device for short beam type steel truss girder support node | |
| CN219565245U (en) | Passenger car top cover framework structure | |
| CN218347396U (en) | Integral type top mould structure and sectional type lining cutting platform truck | |
| CN215210498U (en) | Telescopic device for preventing suspension bridge from shaking | |
| CN217711967U (en) | Anti-seismic steel beam connecting structure | |
| CN219382731U (en) | High-strength bulkhead supporting structure of finished oil ship | |
| CN115275484B (en) | Lightweight CTP battery tray |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |