CN213877287U - Real device of instructing of bridge expansion joint construction - Google Patents
Real device of instructing of bridge expansion joint construction Download PDFInfo
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- CN213877287U CN213877287U CN202022979264.XU CN202022979264U CN213877287U CN 213877287 U CN213877287 U CN 213877287U CN 202022979264 U CN202022979264 U CN 202022979264U CN 213877287 U CN213877287 U CN 213877287U
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Abstract
The utility model discloses a real device of instructing of bridge expansion joint construction, the on-line screen storage device comprises a base, be provided with real standard operation panel on the base, be provided with bridge analog body in the real standard operation panel, real standard operation panel upper surface is provided with hoisting machine and constructs, the last telescoping device analog body that has hung of hoisting machine constructs, the telescoping device analog body hangs directly over bridge analog body, through the manual bridge analog body of breaking open, the installation telescoping device analog body, can demonstrate the standard work progress at the bridge expansion joint in the front of student directly perceivedly, the student also can be through in person's operation, know and study relevant knowledge conscientiously, master relevant technical standard, improve the enthusiasm of study, impressive to study content, promote teaching effect, but furthest's reduction job site scene, can eliminate the potential safety hazard again.
Description
Technical Field
The utility model belongs to education facilities field relates to the teaching model, and more specifically says, relates to a real device of instructing of bridge expansion joint construction.
Background
In order to meet the requirement of bridge deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the problem that rainwater and rubbish earth infiltration are blocked can be prevented, the construction quality has profound influence on the whole stability of a bridge, if the expansion joint is installed improperly, the speed, comfort and safety of driving are seriously influenced, and even driving safety accidents are caused.
In the existing teaching and training process of expansion joint construction professional knowledge and skills, the expansion joint construction teaching method is mainly based on indoor teaching and assisted by outdoor teaching observation due to the influence of factors such as fields. Outdoor teaching requires students to visit or practice on a construction site, but is limited by multiple factors such as visit time arrangement, site practice accepting conditions, safety management, traffic and the like, and one-time teaching usually takes much time and energy on preparation and organization, so that the workload of organization preparation is increased, the teaching cost is increased, and due to field teaching, the outdoor teaching is also influenced by factors such as environment and weather, and certain potential safety hazards and management difficulty also exist; most of indoor teaching is blackboard writing or multimedia teaching, the existing form is single, the teaching content is easy to be boring, and students cannot operate in person and understand the learning content fully and intuitively.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a real device of instructing of bridge expansion joint construction can solve current bridge expansion joint construction teaching process, and is not directly perceived, lacks interactivity, is unfavorable for the student to master the technical problem that the operation will be led and there is great potential safety hazard fast.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a practical training device for bridge expansion joint construction comprises a base, wherein a practical training operation platform is arranged on the base, a bridge simulation body is arranged in the practical training operation platform, a hoisting mechanism is arranged on the upper surface of the practical training operation platform, a telescopic device simulation body is hung on the hoisting mechanism, and the telescopic device simulation body is hung right above the bridge simulation body;
the bridge simulator comprises a first beam-slab simulator body, wherein the upper part of the first beam-slab simulator body is longitudinally provided with reserved grooves penetrating through two ends of the first beam-slab simulator body, the bottom of the first beam-slab simulator body is longitudinally provided with central grooves penetrating through the bottom and two ends of the first beam-slab simulator body, the central grooves are communicated with the reserved grooves, and a group of symmetrically arranged reserved reinforcing steel bars are arranged on the upper surface of the bottom of the first beam-slab simulator body along two sides of the central grooves;
the upper surface of the first beam-slab simulator is covered with a bridge deck pavement layer, and the upper surface of the bridge deck pavement layer is longitudinally provided with a central line corresponding to the central groove;
and a second beam-slab simulation body is filled in the reserved groove and the central groove.
The utility model discloses still have following technical characteristic:
the base is rectangular plate-shaped, and one side of the upper surface of the base is transversely provided with a sliding rail.
The practical training operation platform comprises a fixed operation platform fixedly arranged on the other side of the upper surface of the base and a movable operation platform capable of sliding along the sliding track;
a telescopic cavity is arranged between the fixed operating platform and the movable operating platform; one side of the fixed operation platform, which faces the telescopic cavity, is provided with a first placing cavity which penetrates through two ends of the fixed operation platform, and one side of the movable operation platform, which faces the telescopic cavity, is provided with a second placing cavity which penetrates through two ends of the movable operation platform;
the first cavity of placing, the second is placed the cavity and is stretched out and drawn back the cavity and constitute the cavity of placing that is used for holding the bridge analog body.
The telescoping device simulate body include a pair of parallel arrangement's deformed steel beam, the inboard lateral wall of deformed steel beam on seted up the stagnant water trough, stagnant water trough in install the waterstop, the deformed steel beam outside lateral wall on a plurality of vertical anchor boards that are fixed in the deformed steel beam lateral wall of fixedly connected with, the lateral wall lower part welding of one side of anchor board have annular anchor reinforcing bar, anchor reinforcing bar in cup jointed many welding reinforcement.
The hoisting mechanism comprises a pair of fixed supports arranged on the upper surface of the fixed operation platform and a pair of movable supports arranged on the upper surface of the movable operation platform, the top ends of the fixed supports are transversely and fixedly connected with the closed ends of the first connecting rods, the top ends of the movable supports are transversely and fixedly connected with one ends of the second connecting rods, and the other ends of the second connecting rods are sleeved in cavities of the open ends of the first connecting rods;
the lifting device is characterized in that a sliding groove is formed in one side wall, opposite to the first connecting rod, of the first connecting rod, a lifting beam capable of moving along the sliding groove is installed in the sliding groove, and a lifting assembly used for lifting the simulator of the telescopic device is connected to the lower surface of the lifting beam.
The hoisting assembly comprises a vertical telescopic rod, one end of the vertical telescopic rod is fixedly connected to the lower surface of the hoisting cross beam, the other end of the vertical telescopic rod is fixedly connected to the middle of the transverse lifting rod, lifting grippers are arranged at two ends of the transverse lifting rod, and the lifting grippers are used for lifting the anchoring plate.
The measuring scale is connected between the fixed operating platform and the movable operating platform, the fixed end of the measuring scale is fixedly connected to the side wall of the bottom of the fixed operating platform, and the movable end of the measuring scale is inserted into the sliding cavity formed in the side wall of the bottom of the movable operating platform.
The base on still be provided with the air towards mechanism, the air towards mechanism include the high compression pump of fixed mounting in base upper surface, high compression pump be connected with the air towards rifle.
And one fixing support is provided with a control platform for operating the hoisting mechanism.
The sliding track is provided with a limiting block.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model discloses a manual operation, can be in order to with the preparation work before the construction in the standard work progress of bridge expansion joint, the joint-cutting, the fluting, the installation of taking one's place of telescoping device, welded construction flow demonstrates in the face of student directly perceivedly, and the student also can understand and study relevant knowledge conscientiously through in person's operation, masters relevant technical ability, is familiar with technical standard, improves the study enthusiasm, and is impressive to the study content, promotes the teaching effect.
(II) the utility model discloses a bridge simulation body of design, furthest has embodied directly perceivedly between two beam ends of bridge, between beam end and the abutment or the structure of the articulated position of bridge, makes real standard process more press close to the site operation situation, makes the student can cut the body and realize the joint-cutting, grooved whole work progress.
(III) the utility model discloses a hoisting machine of design constructs and telescoping device simulation body, is that the student can be real simulation hoist and mount and install the whole work progress of telescoping device, masters relevant technical ability.
(IV) the utility model discloses whole setting and the selection of material, the potential safety hazard of elimination that can furthest.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
The meaning of the individual reference symbols in the figures is:
1-a base, 2-a practical training operation platform, 3-a bridge analog body, 4-a hoisting mechanism, 5-a telescopic device analog body and 6-an air impact mechanism;
1-sliding track, 1-2-limiting block;
2-1-a fixed operation table, 2-a movable operation table, 2-3-a telescopic cavity, 2-4-a first placing cavity, 2-5-a second placing cavity, 2-6-a measuring scale and 2-7-a sliding cavity;
3-1-a first beam-slab simulator, 3-2-a reserved groove, 3-a central groove, 3-4-a reserved steel bar, 3-5-a bridge deck pavement layer, 3-6-a central line, and 3-7-a second beam-slab simulator;
4-1-a fixed support, 4-2-a movable support, 4-3-a first connecting rod, 4-a second connecting rod, 4-5-a sliding chute, 4-6-a hoisting beam, 4-7-a hoisting component, 4-8-a control platform, and 4-9-a locking knob;
4-7-1-a vertical telescopic rod, 4-7-2-a transverse lifting rod and 4-7-3-a lifting handle;
5-1-special-shaped steel beam, 5-2-waterstop groove, 5-3-waterstop, 5-4-anchoring plate, 5-anchoring reinforcing steel bar and 5-6-welding reinforcing steel bar;
6-1 parts of a high-pressure air pump and 6-2 parts of an air flushing gun.
The following examples are provided to explain the present invention in further detail.
Detailed Description
Obey above-mentioned technical scheme, following the present utility model discloses a specific embodiment, it needs to explain that the utility model discloses do not confine following specific embodiment to, all fall into the protection scope of the utility model to the equivalent transform of doing on the basis of this application technical scheme.
The following definitions apply to terms used in this specification unless otherwise limited by special circumstances.
As used herein, the directional terms "upper", "lower", "outer", "inner", "longitudinal", "transverse" and "transverse" are used with respect to a specific direction on the page of the drawings.
All the components in the present invention, unless otherwise specified, are all the components known in the art.
Example (b):
the embodiment provides a practical training device for bridge expansion joint construction, which is shown in fig. 1 to 2 and comprises a base 1, wherein a practical training operation platform 2 is arranged on the base 1, a bridge analog body 3 is arranged in the practical training operation platform 2, a hoisting mechanism 4 is arranged on the upper surface of the practical training operation platform 2, a telescopic device analog body 5 is hung on the hoisting mechanism 4, and the telescopic device analog body 5 is hung right above the bridge analog body 3;
the bridge simulator 3 comprises a first beam-slab simulator 3-1, the upper part of the first beam-slab simulator 3-1 is longitudinally provided with reserved grooves 3-2 penetrating through two ends of the first beam-slab simulator 3-1, the bottom of the first beam-slab simulator 3-1 is longitudinally provided with central grooves 3-3 penetrating through the bottom and two ends of the first beam-slab simulator 3-1, the central grooves 3-3 are communicated with the reserved grooves 3-2, and the upper surface of the bottom of the first beam-slab simulator 3-1 is provided with a group of symmetrically arranged reserved reinforcing steel bars 3-4 along two sides of the central grooves 3-3;
the upper surface of the first beam-slab simulator 3-1 is covered with a bridge deck pavement layer 3-5, and the upper surface of the bridge deck pavement layer 3-5 is longitudinally provided with a center line 3-6 corresponding to the center groove 3-3;
and a second beam-slab simulator 3-7 is filled in the reserved groove 3-2 and the central groove 3-3.
The practical training operating platform 2 has the advantages that the fixed limiting bridge simulator body 3 is rented, the hoisting mechanism 4 is used for hoisting the telescopic device simulator body 5 in actual operation, the bridge simulator body 3 simulates specific structures between two beam ends, between the beam ends and the bridge abutment or at the hinged position of a bridge, and the bridge deck pavement layers 3-5 and the second beam plate simulator body 3-7 in the embodiment can be made of foam light materials, so that the later practical training process can be conveniently simulated in a grooving process.
As a preferable scheme of this embodiment, the base 1 in this embodiment is rectangular plate-shaped, and one side of the upper surface of the base is provided with a sliding rail 1-1 along the transverse direction.
As a preferable scheme of this embodiment, in this embodiment, the training operation platform 2 includes a fixed operation platform 2-1 fixedly installed on the other side of the upper surface of the base 1 and a movable operation platform 2-2 capable of sliding along the sliding track 1-1, and the relative position between the fixed operation platform 2-1 and the movable operation platform 2-2 can be adjusted by matching with the sliding track 1-1;
further, a telescopic cavity 2-3 is arranged between the fixed operation platform 2-1 and the movable operation platform 2-2; one side of the fixed operation platform 2-1 facing the telescopic cavity 2-3 is provided with a first placing cavity 2-4 penetrating through two ends of the fixed operation platform 2-1, and one side of the mobile operation platform 2-2 facing the telescopic cavity 2-3 is provided with a second placing cavity 2-5 penetrating through two ends of the mobile operation platform 2-2; the first placing cavity 2-4, the second placing cavity 2-5 and the telescopic cavity 2-3 form a placing cavity for containing the bridge simulation body 3, and the size of the placing cavity can be adjusted by changing the relative position between the fixed operation table 2-1 and the movable operation table 2-2, so that the bridge simulation bodies 3 with different sizes can be conveniently contained.
As a preferable scheme of this embodiment, the simulator 5 of the telescopic device in this embodiment includes a pair of deformed steel beams 5-1 arranged in parallel, a water stop trough 5-2 is formed on an inner side wall of the deformed steel beam 5-1, a water stop belt 5-3 is installed in the water stop trough 5-2, the water stop belt 5-3 is used for preventing rainwater and infiltration of garbage, a plurality of anchoring plates 5-4 vertically fixed to the side wall of the deformed steel beam 5-1 are fixedly connected to an outer side wall of the deformed steel beam 5-1, an annular anchoring steel bar 5-5 is welded to a lower portion of the side wall of one side of the anchoring plate 5-4, a plurality of welding steel bars 5-6 are sleeved in the anchoring steel bar 5-5, the reserved steel bar 3-4, the anchoring steel bar 5-5 and the welding steel bar 5-6 in a training operation process, the reserved steel bars 3-4 and the welding steel bars 5-6 are welded together.
As a preferable scheme of this embodiment, the hoisting mechanism 4 in this embodiment comprises a pair of fixed brackets 4-1 disposed on the upper surface of the fixed operation platform 2-1 and a pair of movable brackets 4-2 disposed on the upper surface of the movable operation platform 2-2, the top end of the fixed bracket 4-1 is transversely and fixedly connected with the closed end of the first connecting rod 4-3, the top end of the movable bracket 4-2 is transversely and fixedly connected with one end of the second connecting rod 4-4, the other end of the second connecting rod 4-4 is sleeved in the cavity of the open end of the first connecting rod 4-3, the fixed bracket 4-1 and the movable bracket 4-2 are connected together, the movable bracket 4-2 can move along with the movable operation platform 2-2, and the relative position between the fixed bracket 4-1 and the movable bracket 4-2 is adjusted, a locking knob 4-9 can be arranged at the open end of the further first connecting rod 4-3;
furthermore, a sliding groove 4-5 is formed in the side wall of one side, opposite to the first connecting rod 4-3, of the first connecting rod, a hoisting cross beam 4-6 capable of moving along the sliding groove 4-5 is installed in the sliding groove 4-5, the transverse position of the hoisting cross beam 4-6 can be adjusted to enable the hoisting cross beam to be located right above the bridge simulation body 3, and a hoisting assembly 4-7 used for hoisting the telescopic device simulation body 5 is connected to the lower surface of the hoisting cross beam 4-6.
As a preferable scheme of the embodiment, the hoisting component 4-7 in the embodiment comprises a vertical telescopic rod 4-7-1, the hoisting height can be controlled by adjusting the length of the vertical telescopic rod 4-7-1, one end of the vertical telescopic rod 4-7-1 is fixedly connected to the lower surface of the hoisting cross beam 4-6, the other end of the vertical telescopic rod 4-7-1 is fixedly connected to the middle of the transverse lifting rod 4-7-2, two ends of the transverse lifting rod 4-7-2 are provided with lifting grips 4-7-3, the lifting grips 4-7-3 are used for lifting the anchoring plate 5-4, in the embodiment, the number of the hoisting components 4-7 is at least two.
As a preferable scheme of this embodiment, in this embodiment, a measuring tape 2-6 is connected between the fixed operating platform 2-1 and the mobile operating platform 2-2, a fixed end of the measuring tape 2-6 is fixedly connected to a bottom side wall of the fixed operating platform 2-1, a movable end of the measuring tape 2-6 is inserted into a sliding cavity 2-7 arranged on the bottom side wall of the mobile operating platform 2-2, and in the practical training operation, the width of the central groove 3-3 of the bridge simulator 3 can be limited according to scales on the measuring tape 2-6.
As a preferable scheme of this embodiment, the base 1 in this embodiment is further provided with an air-blast mechanism 6, the air-blast mechanism 6 includes a high-pressure air pump 6-1 fixedly installed on the upper surface of the base 1, the high-pressure air pump 6-1 is connected with an air-blast gun 6-2, and the air-blast mechanism 6 can be used to remove impurities in the preformed groove 3-2 and the central groove 3-3 during the practical training operation.
As a preferable scheme of the embodiment, a control platform 4-10 for operating the hoisting mechanism 4 is arranged on one fixed support 4-1 in the embodiment and used for controlling the hoisting crossbeam 4-6 and the vertical telescopic rod 4-7-1.
As a preferable scheme of this embodiment, in this embodiment, a limiting block 1-2 is disposed on the sliding track 1-1, and the mobile operation platform 2-2 is locked after the mobile operation platform 2-2 moves to a proper position.
In this embodiment, the reserved steel bars 3-4 may be U-shaped or other special shapes.
In this embodiment, the telescopic device simulating body 5 may be any type of telescopic device.
The concrete working process of the bridge bearing platform construction practical training device of the embodiment is as follows:
firstly, adjusting the relative position between a fixed operation platform 2-1 and a movable operation platform 2-2 according to the size of a bridge analog body 3, after the position is determined, locking the movable operation platform 2-2 by using a limiting block 1-2, placing the bridge analog body 3 in a placing cavity, at the moment, a central line 3-6 of the bridge analog body 3 corresponds to the longitudinal central position of a telescopic cavity 2-3, and simultaneously locking a first connecting rod 4-3 and a second connecting rod 4-4 by using a locking knob 4-9 to ensure that a hoisting mechanism 4 is more stable, further determining the slotting width by using the central line 3-6 as a starting point, cutting a slot by using a cutting tool, breaking a bridge deck layer 3-5 and a second beam plate analog body 3-7 by using the tool along the slot, wherein the slotting depth is up to the upper surface of the bottom of the first beam plate analog body 3-1, leaking reserved steel bars 3-4, starting a high-pressure air pump 6-1, removing impurities in the reserved grooves 3-2 and the central grooves 3-3 by using an air-jet gun 6-2, further straightening the reserved steel bars 3-4, adjusting the transverse position of a hoisting crossbeam 4-6 by using a console 4-8 to ensure that a telescopic device simulator 5 is positioned right above the central grooves 3-3, taking out welded steel bars 5-6, lowering the telescopic device simulator 5 above the reserved grooves 3-2 by adjusting the height of a vertical telescopic rod 4-7-1, adjusting the position between the anchoring steel bars 5-5 and the reserved steel bars 3-4, measuring by using a measuring tool to ensure that the upper surface of the special-shaped steel beam 5-1 is 1-2mm lower than a bridge deck pavement layer, inserting the welded steel bars 5-6 at the connecting part of the anchoring steel bars 5-5 and the reserved steel bars 3-4, 5-5 parts of anchoring steel bars and 3-4 parts of reserved steel bars, 5-5 parts of anchoring steel bars and 5-6 parts of welded steel bars, 3-4 parts of reserved steel bars and 5-6 parts of welded steel bars are welded together through a welding tool, sundries in the reserved grooves 3-2 and the central grooves 3-3 are removed through an air blasting gun 6-2, so that the complete operation of the bridge expansion joint construction practical training device is completed, concrete pouring is not easy to reappear in the device in the whole process, and the process can be explained through teachers or videos, so that students can learn related technical standards.
The real device of instructing of bridge expansion joint construction can be through the operation step by step to the teacher, with the preparation work before the construction in the standard work progress of bridge expansion joint, the joint-cutting, the fluting, the installation of taking one's place of telescoping device, welded construction flow demonstrates in student's the face directly perceivedly, to the student, can operate in person, knows and study the standard work progress of bridge expansion joint practically, improves the study enthusiasm, and is impressive to the study content, promotes the teaching effect.
Claims (10)
1. The practical training device for bridge expansion joint construction is characterized by comprising a base (1), wherein a practical training operation platform (2) is arranged on the base (1), a bridge simulation body (3) is arranged in the practical training operation platform (2), a hoisting mechanism (4) is arranged on the upper surface of the practical training operation platform (2), a telescopic device simulation body (5) is hung on the hoisting mechanism (4), and the telescopic device simulation body (5) is hung right above the bridge simulation body (3);
the bridge simulation body (3) comprises a first beam-slab simulation body (3-1), the upper part of the first beam-slab simulation body (3-1) is longitudinally provided with reserved grooves (3-2) which penetrate through two ends of the first beam-slab simulation body (3-1), the bottom of the first beam-slab simulation body (3-1) is longitudinally provided with central grooves (3-3) which penetrate through the bottom and two ends of the first beam-slab simulation body (3-1), the central grooves (3-3) are communicated with the reserved grooves (3-2), and a group of symmetrically arranged reserved steel bars (3-4) are arranged on the upper surface of the bottom of the first beam-slab simulation body (3-1) along two sides of the central grooves (3-3);
the upper surface of the first beam-slab simulator (3-1) is covered with a bridge deck pavement layer (3-5), and the upper surface of the bridge deck pavement layer (3-5) is longitudinally provided with a central line (3-6) corresponding to the central groove (3-3);
and a second beam-slab simulation body (3-7) is filled in the reserved groove (3-2) and the central groove (3-3).
2. The practical training device for bridge expansion joint construction as claimed in claim 1, wherein the base (1) is rectangular plate-shaped, and one side of the upper surface of the base is provided with a sliding rail (1-1) along the transverse direction.
3. The practical training device for bridge expansion joint construction as claimed in claim 1, wherein the practical training operation platform (2) comprises a fixed operation platform (2-1) fixedly installed on the other side of the upper surface of the base (1) and a movable operation platform (2-2) capable of sliding along the sliding track (1-1);
a telescopic cavity (2-3) is arranged between the fixed operating platform (2-1) and the movable operating platform (2-2); one side of the fixed operation platform (2-1) facing the telescopic cavity (2-3) is provided with a first placing cavity (2-4) penetrating through two ends of the fixed operation platform (2-1), and one side of the mobile operation platform (2-2) facing the telescopic cavity (2-3) is provided with a second placing cavity (2-5) penetrating through two ends of the mobile operation platform (2-2);
the first placing cavity (2-4), the second placing cavity (2-5) and the telescopic cavity (2-3) form a placing cavity for containing the bridge simulator (3).
4. The practical training device for bridge expansion joint construction according to claim 1, wherein the expansion device simulator (5) comprises a pair of deformed steel beams (5-1) which are arranged in parallel, the side wall of the inner side of each deformed steel beam (5-1) is provided with a water stop trough (5-2), a water stop belt (5-3) is installed in each water stop trough (5-2), the side wall of the outer side of each deformed steel beam (5-1) is fixedly connected with a plurality of anchoring plates (5-4) which are vertically fixed on the side wall of each deformed steel beam (5-1), annular anchoring steel bars (5-5) are welded to the lower portion of the side wall of one side of each anchoring plate (5-4), and a plurality of welding steel bars (5-6) are sleeved in each anchoring steel bar (5-5).
5. The practical training device for bridge expansion joint construction as claimed in claim 4, wherein the hoisting mechanism (4) comprises a pair of fixed supports (4-1) arranged on the upper surface of the fixed operation platform (2-1) and a pair of movable supports (4-2) arranged on the upper surface of the movable operation platform (2-2), the top end of the fixed support (4-1) is transversely and fixedly connected with the closed end of the first connecting rod (4-3), the top end of the movable support (4-2) is transversely and fixedly connected with one end of the second connecting rod (4-4), and the other end of the second connecting rod (4-4) is sleeved in the cavity of the open end of the first connecting rod (4-3);
the lifting device is characterized in that a sliding groove (4-5) is formed in the side wall of one side, opposite to the first connecting rod (4-3), of the side wall, a lifting beam (4-6) capable of moving along the sliding groove (4-5) is installed in the sliding groove (4-5), and a lifting assembly (4-7) used for lifting the telescopic device simulation body (5) is connected to the lower surface of the lifting beam (4-6).
6. The practical training device for bridge expansion joint construction as claimed in claim 5, wherein the lifting assembly (4-7) comprises a vertical telescopic rod (4-7-1), one end of the vertical telescopic rod (4-7-1) is fixedly connected to the lower surface of the hoisting cross beam (4-6), the other end of the vertical telescopic rod (4-7-1) is fixedly connected to the middle of the transverse lifting rod (4-7-2), lifting grips (4-7-3) are arranged at two ends of the transverse lifting rod (4-7-2), and the lifting grips (4-7-3) are used for lifting the anchoring plate (5-4).
7. The practical training device for bridge expansion joint construction as claimed in claim 3, wherein a measuring tape (2-6) is connected between the fixed operating platform (2-1) and the movable operating platform (2-2), the fixed end of the measuring tape (2-6) is fixedly connected to the bottom side wall of the fixed operating platform (2-1), and the movable end of the measuring tape (2-6) is inserted into a sliding cavity (2-7) arranged on the bottom side wall of the movable operating platform (2-2).
8. The practical training device for bridge expansion joint construction as claimed in claim 1, wherein the base (1) is further provided with an air-blast mechanism (6), the air-blast mechanism (6) comprises a high-pressure air pump (6-1) fixedly mounted on the upper surface of the base (1), and the high-pressure air pump (6-1) is connected with an air-blast gun (6-2).
9. The practical training device for bridge expansion joint construction as claimed in claim 5, wherein one of the fixed supports (4-1) is provided with a control platform (4-8) for operating the hoisting mechanism (4).
10. The practical training device for bridge expansion joint construction as claimed in claim 2, wherein the sliding rail (1-1) is provided with a limiting block (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022979264.XU CN213877287U (en) | 2020-12-10 | 2020-12-10 | Real device of instructing of bridge expansion joint construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022979264.XU CN213877287U (en) | 2020-12-10 | 2020-12-10 | Real device of instructing of bridge expansion joint construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213877287U true CN213877287U (en) | 2021-08-03 |
Family
ID=77067175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022979264.XU Active CN213877287U (en) | 2020-12-10 | 2020-12-10 | Real device of instructing of bridge expansion joint construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213877287U (en) |
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2020
- 2020-12-10 CN CN202022979264.XU patent/CN213877287U/en active Active
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