CN220953001U - Expansion joint mounting device - Google Patents
Expansion joint mounting device Download PDFInfo
- Publication number
- CN220953001U CN220953001U CN202323027184.4U CN202323027184U CN220953001U CN 220953001 U CN220953001 U CN 220953001U CN 202323027184 U CN202323027184 U CN 202323027184U CN 220953001 U CN220953001 U CN 220953001U
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- Prior art keywords
- expansion joint
- rod
- adjusting nut
- support frame
- hanging
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- 239000000725 suspension Substances 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses an expansion joint installation device in the technical field of expansion joint installation, which comprises a support frame and a mounting unit suspended on the support frame and used for mounting an expansion joint, wherein the mounting unit comprises a suspender with external threads at the upper end part and an adjusting nut meshed with the suspender threads, a rod penetrating hole through which the suspender can penetrate is formed on the support frame, the suspender penetrates through the rod penetrating hole, the adjusting nut is contacted with the top surface of the support frame to suspend the suspender on the support frame, the bottom end of the suspender is provided with a suspension part which is bent upwards and used for suspending the expansion joint, and a groove for clamping a lifting lug at the top of the expansion joint is formed at the inner side of the suspension part.
Description
Technical Field
The utility model relates to the technical field of expansion joint installation, in particular to an expansion joint installation device.
Background
The expansion joint of bridge is one set between two beam ends, between beam end and bridge abutment or in the hinge joint of bridge and has the main function of being capable of expanding and contracting freely in two directions parallel and perpendicular to the bridge axis.
At present, in bridge feather rib type expansion joint construction and installation in China, traditional manual labor is still used as the main material, after an expansion joint is transported to a construction site by a manufacturer, the expansion joint is transported to an expansion joint installation position by site workers, then the expansion joint is erected by using steel bars, and is lifted by using wood blocks to be padded, and finally the installation position of the expansion joint is determined by continuously adjusting the height of the padding, so that the safety is low and the efficiency is low.
If the Chinese patent with the publication number of CN203174497U is issued, a locating rack for installing comb-shaped expansion joints is disclosed, which comprises three transverse frames, four longitudinal anchor plates and screw rods which are arranged on the frames and used for adjusting the heights of bolt groups, wherein the anchor plates are vertically welded below the frames, adjusting nuts are arranged at the upper ends of the screw rods for adjusting the heights of the bolt groups, and bending sections for suspending the bolt groups are arranged at the lower ends of the screw rods.
Although the above patent proposes a safer, device of higher regulation anchor bolt group of efficiency, but its screw rod lower extreme is used for suspending the bending section of anchor bolt group for horizontal buckling, when the screw rod below hangs the heavy object, the weight of heavy object can all be exerted on adjusting nut's internal thread through the external screw thread of screw rod, just so cause can drive the screw rod and take place rotatoryly when rotatory adjusting nut, the bending section that its lower extreme was used for suspending the heavy object also can take place the same time when the screw rod takes place to rotate, the expansion joint has higher installation accuracy requirement when the installation through the installation of above-mentioned device direct transfer to the expansion joint, then the bending section takes place to rotate when probably to lead to its below expansion joint position to take place the skew in the use, lead to expansion joint mounted position inaccurate, the bending section still can directly break away from the contact with the expansion joint of its below when rotatory simultaneously, cause the drop of expansion joint, there is the potential safety hazard.
Based on the above, the utility model designs an expansion joint installation device to solve the above problems.
Disclosure of utility model
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an expansion joint installation device, includes the support frame and hangs the mount unit that is used for mounting the expansion joint on the support frame, mount unit include the jib that upper end portion is equipped with the external screw thread and with jib screw thread engagement's adjusting nut, be formed with the pole hole of wearing that can supply the jib to pass on the support frame, the jib wears to locate to wear to locate in the pole hole , adjusting nut and support frame top surface contact and hangs the jib on the support frame, the bottom of jib is equipped with upwards buckles and is used for hanging the suspension part of expansion joint, the inboard recess that is used for centre gripping expansion joint top lug that forms of suspension part.
As a further scheme of the utility model, the supporting frame consists of a cross rod and a hack lever for overhead cross rod, and the hack lever penetrating hole is a through hole formed in the surface of the cross rod; or alternatively, the first and second heat exchangers may be,
The support frame comprises hack lever and a plurality of parallel arrangement's horizontal pole, and the clearance between the adjacent horizontal pole forms the pole hole is worn.
As a further proposal of the utility model, the suspender is movably arranged in the rod penetrating hole.
As a further scheme of the utility model, the contact surface between the suspension part and the lifting lug at the top of the expansion joint is a plane.
As a further scheme of the utility model, a gasket for reducing friction force is arranged between the adjusting nut and the cross rod, and a round hole for the boom to pass through is formed in the middle of the gasket.
As a further aspect of the present utility model, the friction force between the top wall of the gasket and the adjusting nut is smaller than the friction force between the bottom wall of the gasket and the cross bar.
As a further scheme of the utility model, the bottom end of the hack lever is fixedly provided with a longitudinal lever with the installation direction perpendicular to the transverse lever.
As a further scheme of the utility model, the bottom end of the vertical rod is fixedly provided with a universal wheel set.
As a further scheme of the utility model, the hack lever is fixedly provided with the inclined strut, and one end of the inclined strut, which is far away from the hack lever, is fixedly connected with the cross rod.
As a further aspect of the present utility model, the adjusting nut is a mountain-type nut.
The utility model has the following beneficial effects:
The hanging part which is bent upwards is arranged at the bottom end of the hanging rod, so that when the expansion joint is hung, the lifting lug welded on the top surface of the expansion joint can be clamped into the inner cavity of the hanging part, the inner cavity of the hanging part can be tightly attached to the side surface or the bottom edge of the side surface of the lifting lug, and in the subsequent process of rotating the adjusting nut, the hanging rod and the expansion joint are kept relatively static, so that the accurate installation position of the expansion joint can be ensured, the expansion joint can be prevented from falling, the time and the labor are saved, and the cost is greatly reduced.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of a hanging portion according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a suspension portion according to the present utility model;
FIG. 5 is a schematic elevational view of the adjusting nut and washer of the present utility model;
fig. 6 is a schematic top view of the adjusting nut and washer of the present utility model.
Legend description:
1. An adjusting nut; 2. a boom; 3. a hanging part; 4. lifting lugs; 5. a cross bar; 6. a hack lever; 7. a rod penetrating hole; 8. a gasket; 9. a longitudinal bar; 10. a universal wheel set; 11. and (5) an inclined strut.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides an expansion joint installation device, including the support frame with hang the mount unit that is used for mounting the expansion joint on the support frame, mount unit includes that upper end portion is equipped with the jib 2 of external screw thread and with the adjusting nut 1 of jib 2 screw thread meshing, be formed with on the support frame and supply the pole hole 7 of wearing that jib 2 passed, in the pole hole 7 was worn to locate to jib 2, adjusting nut 1 and support frame top surface contact hang jib 2 on the support frame, the bottom of jib 2 is equipped with upwards buckling and is used for hanging the suspension part 3 of expansion joint, the inboard recess that is used for centre gripping expansion joint top lug 4 that forms of suspension part 3.
Through upwards buckling the suspension part 3 of jib 2 bottom to the recess that is used for centre gripping expansion joint top lug 4 is formed to suspension part 3 inboard, for example set up suspension part 3 into the U-shaped, after the lug 4 gets into suspension part 3, the perpendicular part of the U-shaped inboard of suspension part 3 just laminates with the side of lug 4, can adapt to the lug 4 of individual size, for example, suspension part 3 is the V-arrangement again, after the lug got into suspension part 3 this moment, the base of lug side will contact with the inboard inclined plane of V-arrangement of suspension part 3, can adapt to lug 4 of different width dimensions and multiple different shapes in a certain extent, through suspension part 3 centre gripping lug 4, if the lug 4 then can drive lug 4 through suspension part 3 and rotate around the axle center of jib 2 equally, very obviously lug 4 can not rotate around the axle center of jib 2, that is to limit the rotation of jib 2 through the weight cooperation lug 4 of expansion joint, guarantee that jib 2 can not take place the rotation along with adjusting nut 1 when adjusting nut 1, ensure that the position that the expansion joint does not change when adjusting the height of expansion joint, also break away from suspension part 3 also can't guarantee in the expansion joint safety construction, safety in the installation process.
During operation, at first rotatory adjusting nut 1, rotatory adjusting nut 1 can reduce the height of jib 2 bottommost, make the suspension part 3 of jib 2 bottom pass from lug 4 below, pass back rotatory adjusting nut 1 with the suspension part 3 of jib 2 bottom from lug 4 below and make jib 2 rise, the lug 4 on expansion joint top will be hooked to the suspension part 3 of jib 2 bottom, continue rotatory adjusting nut 1 and upwards mention unsettled with the expansion joint through jib 2, remove the expansion joint to mounting position back counter-rotation adjusting nut 1, the jib 2 can be slow reduce height this moment, stop after reducing the expansion joint to mounting height, can steplessly descend the expansion joint until the expansion joint reaches mounting height, simpler when the installation expansion joint, the leveling is accurate convenient, the security of work flow has been improved.
As shown in fig. 1-2, the supporting frame consists of a cross rod 5 and a hack lever 6 for overhead cross rod 5, and the through lever hole 7 is a through hole formed in the surface of cross rod 5; or alternatively, the first and second heat exchangers may be,
The support frame comprises hack lever 6 and a plurality of parallel arrangement's horizontal pole 5, and the clearance between the adjacent horizontal pole 5 forms and wears pole hole 7, jib 2 movable mounting in wearing pole hole 7.
In this embodiment, the cross rod 5 is overhead through the hack lever 6, so that the cross rod 5 has a certain height, and then the boom 2 passes through the rod penetrating hole 7 formed in the cross rod 5, the adjusting nut 1 cannot pass through the rod penetrating hole 7, that is to say, the boom 2 can be suspended in the rod penetrating hole 7 formed in the lifting lug 4 through the nut, the rod penetrating hole 7 is a through hole formed in the surface of the cross rod 5 or a gap between the cross rod 5 and the cross rod 5, and meanwhile, the through hole formed in the surface of the cross rod 5 can be just the same as the boom 2 in size, and also can have a certain length in the axial direction of the cross rod 5, so that the boom 2 can move in the through hole along the axial direction of the cross rod 5 for adjusting the position of the expansion joint.
As shown in fig. 4, the contact surface between the suspension part 3 and the expansion joint top lifting lug 4 is a plane.
In this embodiment, the surface that is used for with lug 4 contact of portion of hanging 3 inboard is the plane, increases the contact portion width of portion of hanging 3 and lug 4, prevents that the expansion joint from taking place to incline about, further increases the stability of expansion joint behind the jib 2 lifts up the expansion joint.
As shown in fig. 5-6, a gasket 8 for reducing friction force is arranged between the adjusting nut 1 and the cross rod 5, and a round hole for the boom 2 to pass through is formed in the middle of the gasket 8.
In this embodiment, be provided with gasket 8 between adjusting nut 1 and the horizontal pole 5, the frictional force when reducing rotatory adjusting nut 1, it is lighter when rotatory adjusting nut 1, also is lighter when moving the jib in wearing pole hole 7 simultaneously.
The friction between the top wall of the spacer 8 and the adjustment nut 1 is smaller than the friction between the bottom wall of the spacer 8 and the cross bar 5.
In this embodiment, the friction between the top wall of the washer 8 and the adjusting nut 1 is smaller than the friction between the bottom wall of the washer 8 and the cross bar 5, and when the adjusting nut 1 is rotated, the washer 8 is kept in a stationary state, preventing the washer 8 from moving when the adjusting nut 1 is rotated.
As shown in fig. 1-2, the bottom end of the hack lever 6 is fixedly provided with a longitudinal bar 9 having an installation direction perpendicular to the cross bar 5.
In this embodiment, the bottom end fixing of hack lever 6 is provided with vertical pole 9, increases the area of contact with ground, prevents that the support frame from empting.
As shown in fig. 1-2, the bottom end of the vertical rod 9 is fixedly provided with a universal wheel set 10.
In this embodiment, the universal wheelset 10 of bottom fixed mounting of vertical pole 9 can easily remove the expansion joint after lifting up the expansion joint, conveniently adjusts the position of expansion joint, simultaneously, also can regard as the carrier that removes the expansion joint through this device when carrying the expansion joint, for traditional manual handling is lighter.
As shown in fig. 1, the hack lever 6 is fixedly provided with an inclined strut 11, and one end of the inclined strut 11 far away from the hack lever 6 is fixedly connected with the cross bar 5.
In the embodiment, the inclined stay bars 11 are fixedly arranged between the hack lever 6 and the cross bar 5, so that the weighing limit of the whole device is greatly enhanced.
As shown in fig. 5-6, the adjustment nut 1 is a mountain nut.
In this embodiment, the adjusting nut 1 is a mountain-shaped nut, and when the boom 2 is not loaded with a load, the adjusting nut 1 can be easily manually rotated to adjust the height of the boom 2.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides an expansion joint installation device, includes the support frame and hangs the mount unit that is used for the mount expansion joint on the support frame, its characterized in that:
The mounting unit comprises a hanging rod (2) with external threads at the upper end and an adjusting nut (1) in threaded engagement with the hanging rod (2), a rod penetrating hole (7) through which the hanging rod (2) can penetrate is formed in the supporting frame, the hanging rod (2) is penetrated into the rod penetrating hole (7), the , adjusting nut (1) is contacted with the top surface of the supporting frame to suspend the hanging rod (2) on the supporting frame, a hanging part (3) which is bent upwards and used for hanging an expansion joint is arranged at the bottom end of the hanging rod (2), and a groove for clamping a lifting lug (4) at the top of the expansion joint is formed in the inner side of the hanging part (3).
2. An expansion joint mounting device according to claim 1, wherein: the support frame consists of a cross rod (5) and a hack lever (6) for the overhead cross rod (5), and the hack lever penetrating hole (7) is a through hole formed in the surface of the cross rod (5); or alternatively, the first and second heat exchangers may be,
The support frame comprises hack lever (6) and a plurality of parallel arrangement's horizontal pole (5), and clearance between adjacent horizontal pole (5) forms wear pole hole (7).
3. An expansion joint mounting device according to claim 2, wherein: the suspender (2) is movably arranged in the rod penetrating hole (7).
4. An expansion joint mounting device according to claim 1, wherein: the contact surface between the suspension part (3) and the lifting lug (4) at the top of the expansion joint is a plane.
5. A device according to claim 3, wherein: a gasket (8) for reducing friction force is arranged between the adjusting nut (1) and the cross rod (5), and a round hole through which the suspender (2) can pass is formed in the middle of the gasket (8).
6. The expansion joint mounting device according to claim 5, wherein: the friction force between the top wall of the gasket (8) and the adjusting nut (1) is smaller than the friction force between the bottom wall of the gasket (8) and the cross rod (5).
7. A device according to claim 3, wherein: the bottom end of the hack lever (6) is fixedly provided with a longitudinal lever (9) with the installation direction perpendicular to the cross lever (5).
8. The expansion joint mounting device according to claim 7, wherein: the bottom end of the vertical rod (9) is fixedly provided with a universal wheel set (10).
9. An expansion joint mounting device according to claim 2, wherein: the frame rod (6) is fixedly provided with an inclined strut (11), and one end, far away from the frame rod (6), of the inclined strut (11) is fixedly connected with the cross rod (5).
10. An expansion joint mounting device according to claim 1, wherein: the adjusting nut (1) is a mountain-shaped nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323027184.4U CN220953001U (en) | 2023-11-09 | 2023-11-09 | Expansion joint mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323027184.4U CN220953001U (en) | 2023-11-09 | 2023-11-09 | Expansion joint mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220953001U true CN220953001U (en) | 2024-05-14 |
Family
ID=90977188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323027184.4U Active CN220953001U (en) | 2023-11-09 | 2023-11-09 | Expansion joint mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220953001U (en) |
-
2023
- 2023-11-09 CN CN202323027184.4U patent/CN220953001U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |