CN220098278U - Precast concrete manhole well hoist - Google Patents
Precast concrete manhole well hoist Download PDFInfo
- Publication number
- CN220098278U CN220098278U CN202321440482.3U CN202321440482U CN220098278U CN 220098278 U CN220098278 U CN 220098278U CN 202321440482 U CN202321440482 U CN 202321440482U CN 220098278 U CN220098278 U CN 220098278U
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- Prior art keywords
- lifting
- bearing beam
- arm
- precast concrete
- arc
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000004567 concrete Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a precast concrete manhole shaft lifting appliance, which relates to the field of road drainage construction and comprises a bearing beam and two groups of lifting mechanisms, wherein a V-shaped lifting rod is fixedly arranged at the top of the bearing beam, the two groups of lifting mechanisms are respectively arranged at two ends of the bearing beam, each lifting mechanism comprises a pulling arm, an arc-shaped plate and a lifting arm fixedly connected to the bottom end of the corresponding pulling arm, a connecting part is fixedly arranged at the upper end of the corresponding pulling arm, the connecting part is detachably arranged on the bearing beam, the arc-shaped plate is fixedly arranged at one end of the corresponding lifting arm, which is away from the corresponding pulling arm.
Description
Technical Field
The utility model belongs to the field of road drainage construction, and particularly relates to a precast concrete manhole shaft lifting appliance.
Background
Along with the acceleration of the pace of China's enterprises going out, more and more China's enterprises participate in the construction of African national infrastructure.
The full length of the Egypt RG project is 123.83 km, and the total length of 15 town sections is 27 km.
In the municipal road drainage system, the project adopts the longitudinal drainage pipes as a drainage system, and the connection between the longitudinal drainage pipes is connected by manhole shafts for the reason of beautiful practicability.
In order to improve the construction efficiency, the manhole is usually prefabricated by concrete, the prefabricated concrete manhole is required to be lifted by an automobile crane for loading and transporting, and in the process of connecting the manhole and a drain pipe, the manhole is still required to be lifted by the automobile crane.
The lifting appliance is needed in the lifting process, and the lifting appliance used in the past is a simple lifting appliance, and is used for directly inserting the steel pipe into a reserved hole of the manhole, then connecting a lifting rope with the steel pipe and lifting the manhole.
But find that steel pipe and manhole well's preformed hole area of contact is less in the work progress, in handling in-process, the concrete at manhole well's preformed hole border can take place to break because of the extrusion, leads to the concrete to drop because of breaking for manhole well's preformed hole produces the nick, causes certain destruction to the manhole well.
Therefore, we propose a precast concrete manhole well sling to solve the above problems.
Disclosure of Invention
Aiming at the problems that when a steel pipe is used for hoisting a manhole, the contact area between the steel pipe and a preformed hole of the manhole is small, and the concrete at the edge of the preformed hole of the manhole can be broken due to extrusion in the hoisting process, so that the concrete falls down due to the breakage, the preformed hole of the manhole generates a small notch and causes certain damage to the manhole, the utility model provides a precast concrete manhole lifting tool.
The utility model solves the technical problems by adopting the scheme that: the utility model provides a precast concrete manhole well hoist, includes carrier bar and two sets of lifting mechanism, carrier bar top fixed mounting has V type jib.
The two groups of lifting mechanisms are respectively arranged at two ends of the bearing beam, each lifting mechanism comprises a traction arm, an arc-shaped plate and a lifting arm fixedly connected to the bottom end of the traction arm, a connecting part is fixedly arranged at the upper end of the traction arm, the connecting part is detachably arranged on the bearing beam, the arc-shaped plates are fixedly arranged at one ends, deviating from the traction arm, of the lifting arm, and the arc-shaped plates are matched with the reserved holes of the manhole main body.
As a preferable technical scheme of the utility model, two reinforcing rods are fixedly arranged between the V-shaped suspender and the bearing beam.
As a preferable technical scheme of the utility model, a reinforcing arm is obliquely arranged between the traction arm and the lifting arm.
As a preferable technical scheme of the utility model, the connecting part is a rectangular sleeve matched with the bearing beam, the connecting part can slide along the axial direction of the bearing beam, and the connecting part is connected with the bearing beam through bolts.
As a preferable technical scheme of the utility model, the upper edge of the arc-shaped plate is fixedly connected with a baffle plate, and the baffle plate is contacted with the outer side surface of the manhole main body.
As a preferable technical scheme of the utility model, a plurality of supporting rib plates are fixedly connected between the lower surface of the arc-shaped plate and the end part of the lifting arm.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the lifting arm and the arc plate extend into the preformed hole of the manhole main body through the sliding connecting part, so that the arc plate is contacted with the preformed hole of the manhole main body, the contact area between the arc plate and the preformed hole of the manhole main body is large, the problem that the preformed hole of the manhole main body is extruded to rupture is avoided, and the stability of the manhole main body in the lifting process is improved.
2. According to the utility model, the baffles are arranged, and the two side baffles are respectively contacted with the two sides of the manhole main body, so that the manhole main body is limited, the manhole main body is prevented from shifting in the lifting process, and the stability and safety of the manhole main body in the lifting process are ensured.
3. According to the utility model, the plurality of supporting rib plates are arranged, so that the problem that the arc plate is stressed to deform is avoided, and the structural strength of the arc plate is increased.
4. The prefabricated concrete manhole lifting appliance is mainly manufactured by square steel, steel plates and steel pipes, and is high in overall structural strength, low in manufacturing cost and convenient for project construction and use.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
fig. 2 is a right-side view of the arc plate of the present utility model.
In the figure: the lifting device comprises a bearing beam 1, a lifting rod 21V type, a reinforcing rod 22, a connecting part 31, a bolt 32, a pulling arm 33, a lifting arm 34, a reinforcing arm 35, an arc-shaped plate 36, a supporting rib plate 37, a baffle 38 and a manhole shaft body 4.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Referring to fig. 1-2, the utility model provides a technical scheme of a precast concrete manhole lifting appliance, which comprises the following steps:
embodiment one:
according to the embodiment shown in fig. 1 and 2, the V-shaped suspension rod 21 is fixedly arranged at the top of the load beam 1, two reinforcing rods 22 are fixedly arranged between the V-shaped suspension rod 21 and the load beam 1, and the connection strength of the V-shaped suspension rod 21 and the load beam 1 is improved.
The two groups of lifting mechanisms are respectively arranged at two ends of the bearing beam 1, each lifting mechanism comprises a traction arm 33, an arc-shaped plate 36 and a lifting arm 34 fixedly connected to the bottom end of the traction arm 33, a reinforcing arm 35 is obliquely arranged between the traction arm 33 and the lifting arm 34, the connection strength of the traction arm 33 and the lifting arm 34 is increased, the problem that the lifting arm 34 bends and breaks along with the increase of the service time is avoided, and the safety of the lifting arm 34 in the use process is ensured.
The connecting component 31 is fixedly arranged at the upper end of the pulling arm 33, the connecting component 31 is a rectangular sleeve matched with the bearing beam 1, the connecting component 31 can axially slide along the bearing beam 1, the connecting component 31 is connected with the bearing beam 1 through the bolt 32, the connecting component 31 is detachably arranged on the bearing beam 1, the arc plate 36 is fixedly arranged at one end of the lifting arm 34, which is away from the pulling arm 33, the arc plate 36 is matched with a preformed hole of the manhole main body 4, the contact area between the arc plate 36 and the preformed hole of the manhole main body 4 is large, the problem that the preformed hole of the manhole main body 4 is broken due to extrusion is avoided, the stability of the manhole main body 4 in the lifting process is improved, the baffle 38 is fixedly connected with the upper edge of the arc plate 36, the baffle 38 is contacted with the outer side surface of the manhole main body 4, the two side baffles 38 are respectively contacted with the two sides of the manhole main body 4 through the arrangement of the baffle 38, the limiting effect on the manhole main body 4 is avoided, the manhole main body 4 is offset in the lifting process, and the stability and the safety of the manhole main body 4 in the lifting process are ensured.
When the precast concrete manhole shaft lifting appliance is particularly used, firstly, the lifting hook is connected with the V-shaped lifting rod 21, then the lifting appliance is lifted to the position of the manhole shaft main body 4 by the automobile crane, and meanwhile, the arc plates 36 on two sides are positioned on two sides of the manhole shaft main body 4;
then sliding the connecting part 31, enabling the lifting arm 34 and the arc plate 36 to extend into the reserved hole of the manhole main body 4, enabling the arc plate 36 to be in contact with the reserved hole of the manhole main body 4, and then connecting the bolt 32 with the connecting part 31 and the bearing beam 1, so that the connecting part 31 is not moved any more;
finally, after fixing the positions of the two arc plates 36 respectively, the lifting tool and the manhole main body 4 are lifted by the automobile crane so as to facilitate lifting the manhole main body 4 to a proper position.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 1 and 2, a plurality of supporting rib plates 37 are fixedly connected between the lower surface of the arc plate 36 and the end part of the lifting arm 34, and by arranging a plurality of supporting rib plates 37, the problem that the arc plate 36 is stressed to deform is avoided, and the structural strength of the arc plate 36 is increased.
Claims (6)
1. A precast concrete manhole well hoist, its characterized in that: the lifting device comprises a bearing beam and two groups of lifting mechanisms, wherein a V-shaped suspender is fixedly arranged at the top of the bearing beam;
the two groups of lifting mechanisms are respectively arranged at two ends of the bearing beam, each lifting mechanism comprises a traction arm, an arc-shaped plate and a lifting arm fixedly connected to the bottom end of the traction arm, a connecting part is fixedly arranged at the upper end of the traction arm, the connecting part is detachably arranged on the bearing beam, the arc-shaped plates are fixedly arranged at one ends, deviating from the traction arm, of the lifting arm, and the arc-shaped plates are matched with the reserved holes of the manhole main body.
2. The precast concrete manhole well sling of claim 1, wherein: two reinforcing rods are fixedly arranged between the V-shaped suspender and the bearing beam.
3. The precast concrete manhole well sling of claim 1, wherein: and a reinforcing arm is obliquely arranged between the traction arm and the lifting arm.
4. The precast concrete manhole well sling of claim 1, wherein: the connecting part is a rectangular sleeve matched with the bearing beam, the connecting part can axially slide along the bearing beam, and the connecting part is connected with the bearing beam through bolts.
5. The precast concrete manhole well sling of claim 1, wherein: the upper edge of the arc-shaped plate is fixedly connected with a baffle plate, and the baffle plate is contacted with the outer side surface of the manhole main body.
6. The precast concrete manhole well sling of claim 1, wherein: a plurality of supporting rib plates are fixedly connected between the lower surface of the arc-shaped plate and the end parts of the lifting arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440482.3U CN220098278U (en) | 2023-06-07 | 2023-06-07 | Precast concrete manhole well hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440482.3U CN220098278U (en) | 2023-06-07 | 2023-06-07 | Precast concrete manhole well hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220098278U true CN220098278U (en) | 2023-11-28 |
Family
ID=88871504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321440482.3U Active CN220098278U (en) | 2023-06-07 | 2023-06-07 | Precast concrete manhole well hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220098278U (en) |
-
2023
- 2023-06-07 CN CN202321440482.3U patent/CN220098278U/en active Active
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| GR01 | Patent grant |