CN218201776U - Hoisting device suitable for diesel cylinder sand core - Google Patents
Hoisting device suitable for diesel cylinder sand core Download PDFInfo
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- CN218201776U CN218201776U CN202222157052.2U CN202222157052U CN218201776U CN 218201776 U CN218201776 U CN 218201776U CN 202222157052 U CN202222157052 U CN 202222157052U CN 218201776 U CN218201776 U CN 218201776U
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- suspension arm
- sand core
- cross beam
- positioning columns
- lifting
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Abstract
The utility model discloses a lifting device suitable for a diesel cylinder sand core, wherein the top surface and the left and right side surfaces of the sand core are respectively provided with a plurality of positioning holes; the lifting device comprises a cross beam extending along the left-right direction, a left lifting arm, a right lifting arm, a driving part and a lifting hook, wherein the left lifting arm and the right lifting arm are arranged on the cross beam at intervals side by side, the driving part is used for driving the left lifting arm and the right lifting arm to be clamped or loosened relatively, the lifting hook is arranged on the cross beam, a plurality of first positioning columns extending up and down are arranged on the cross beam, and a plurality of second positioning columns extending left and right are arranged on the left lifting arm and the right lifting arm respectively. The lifting device is provided with the first positioning column and the second positioning column to ensure that the lifting device is accurately positioned relative to the sand core, so that the left and right lifting arms can conveniently realize automatic clamping or loosening of the sand core, the operation is labor-saving, the labor intensity is effectively reduced, and the efficiency is improved; meanwhile, the sand core can be stably lifted and transported by virtue of multi-point positioning formed by the first positioning column and the second positioning column, the sand core is effectively prevented from falling off accidentally, and the safety is improved.
Description
Technical Field
The utility model belongs to the overhead hoist field, concretely relates to overhead hoist suitable for diesel cylinder psammitolite.
Background
The preparation process of the diesel cylinder sand core mainly comprises the following steps: core making → drying → assembling → hoisting → dissolving → inoculation processing → pouring → cooling and unloading.
At present, after the sand core is assembled on an assembly table, a lifting appliance is generally adopted to transfer the sand core to a tray in a self-assembly state.
However, the existing lifting appliance is mostly a common straight hook lifting appliance with a simple structure, needs manual opening and closing in use, is labor-consuming, time-consuming and labor-consuming and low in efficiency for lifting and transporting the sand core of a large structure, and is easy to cause accidents due to the risk of falling off of the sand core in the lifting and transporting process.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified overhead hoist who is applicable to diesel cylinder psammitolite.
In order to solve the technical problem, the utility model discloses take following technical scheme:
a lifting device suitable for a diesel cylinder sand core is characterized in that a plurality of positioning holes are respectively formed in the top surface, the left side surface and the right side surface of the sand core; the lifting device comprises a cross beam extending along the left and right direction, a left suspension arm and a right suspension arm which are arranged on the cross beam side by side at intervals, a driving part used for driving the left suspension arm and the right suspension arm to be clamped or loosened relatively, lifting hooks arranged on the cross beam, wherein a plurality of first positioning columns extending up and down are arranged on the cross beam, a plurality of second positioning columns extending left and right are arranged on the left suspension arm and the right suspension arm respectively, when the plurality of first positioning columns are correspondingly inserted into positioning holes in the top surface of the sand core, the driving part drives the left suspension arm and the right suspension arm to move in a relatively clamping mode, and the plurality of second positioning columns are correspondingly inserted into the positioning holes in the left side surface and the right side surface of the sand core.
Preferably, the cross beam is further provided with a plurality of third positioning columns extending up and down, wherein the lower end of each third positioning column is arranged in a horizontal direction in a flush manner, during hoisting, the plurality of third positioning columns prop against the top surface of the sand core from the lower end, and the cross beam keeps horizontal. By the arrangement, the lifting device is positioned in the height direction.
Specifically, the number of the third positioning columns is four, and connecting lines among the lower end parts of the four third positioning columns form a rectangle. Set up like this, guarantee that the crossbeam is stable to be positioned the top at the psammitolite.
Preferably, the plurality of first positioning columns are distributed in the rectangular space formed by the four third positioning columns at intervals side by side along the left-right direction.
Preferably, each first positioning column is gradually narrowed from top to bottom. By the arrangement, the first positioning column can be conveniently inserted into the positioning hole in the top surface of the sand core.
Preferably, the driving part comprises a left power part and a right power part which are respectively fixed at the left end part and the right end part of the cross beam, the left suspension arm and the right suspension arm are positioned below the cross beam, and the left power part and the right power part correspondingly drive the left suspension arm and the right suspension arm to move close to or away from each other in the left-right direction.
Specifically, the left power part and the right power part are both cylinders, and output shafts of the two cylinders are correspondingly and fixedly connected to the left suspension arm and the right suspension arm; the driving part also comprises an air pipe for communicating the two cylinders and a scavenging valve arranged on the air pipe. By the arrangement, the left and right suspension arms synchronously move, and the stability is ensured; meanwhile, the weight of the lifting device is greatly reduced.
Furthermore, the driving part further comprises a left connecting piece and a right connecting piece which are respectively arranged at the left end and the right end of the cross beam, wherein the left connecting piece and the right connecting piece respectively comprise a first fixing module and a second fixing module which are arranged on the bottom surface of the cross beam side by side at intervals along the left-right direction, and a guide rod connected between the first fixing module and the second fixing module, the left suspension arm and the right suspension arm are respectively sleeved on the corresponding guide rods, and the two cylinders are respectively and fixedly connected to the corresponding first fixing modules. By the arrangement, the motion limiting effect of the left and right suspension arms can be realized through the first fixing module and the second fixing module, and the left and right suspension arms are prevented from being excessively clamped or loosened; meanwhile, the structure is simple, and the installation and the implementation are convenient.
Preferably, the inner sides of the left suspension arm and the right suspension arm are respectively provided with a protruding part matched with the corresponding side profile of the sand core, and during lifting, each protruding part props against the corresponding side of the sand core and forms upward supporting force for the sand core. The sand core lifting device is arranged in such a way, multi-point support is formed, and the stability of the sand core in the lifting process is guaranteed.
In addition, the lifting hook comprises a connecting seat and a lifting hook body, wherein the connecting seat comprises an upper connecting plate and a lower connecting plate which are respectively arranged at the upper side and the lower side of the cross beam, and the upper connecting plate and the lower connecting plate are fixedly connected through a bolt piece; the lifting hook body is fixed on the upper connecting plate, and during lifting, the stress point of the lifting hook body is aligned with the gravity center of the sand core in the vertical direction. Set up like this, can be according to the focus position of different psammitolites, nimble position of adjusting the lifting hook on the crossbeam to ensure that the atress point of lifting hook body aligns in the vertical direction with the focus of psammitolite.
Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:
the lifting device is provided with the first positioning column and the second positioning column to ensure that the lifting device is accurately positioned relative to the sand core, so that the left and right suspension arms can be conveniently clamped or loosened automatically, the operation is labor-saving, the labor intensity is effectively reduced, and the efficiency is improved; meanwhile, the sand core can be stably lifted and transported by virtue of multi-point positioning formed by the first positioning column and the second positioning column, the sand core is effectively prevented from accidentally falling off, and the safety is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the lifting device suitable for the diesel cylinder sand core of the utility model;
fig. 2 is a schematic structural view (another view) of the lifting device for the diesel cylinder sand core of the present invention;
FIG. 3 is a schematic front view of FIG. 1;
wherein: 1. a cross beam; a1, a first positioning column; a3, a third positioning column;
2. a left boom; 3. a right boom; a2, a second positioning column; t, a convex part;
4. a drive member; 40. a left connector; 41. a right connecting member; b1, a first fixing module; b2, a second fixing module; b3, a guide rod; 42. a left power member; 43. a right power member; 44. an air tube; 45. a scavenging valve;
5. a hook; 50. a connecting seat; 500. an upper connecting plate; 501. a lower connecting plate; 51. the lifting hook body.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
As shown in fig. 1 to 3, the lifting device suitable for the diesel cylinder sand core provided by the embodiment includes a beam 1, a left suspension arm 2, a right suspension arm 3, a driving component 4, and a lifting hook 5, wherein the top surface and the left and right side surfaces of the sand core are respectively provided with a plurality of positioning holes.
Specifically, the cross beam 1 horizontally extends along the left-right direction, and the cross section of the cross beam 1 is rectangular.
In this example, the left suspension arm 2 and the right suspension arm 3 are arranged below the beam 1 at intervals in the left-right direction, wherein the inner sides of the left suspension arm 2 and the right suspension arm 3 are respectively provided with a protruding part t matched with the corresponding side profile of the sand core, when in lifting, the left suspension arm 2 and the right suspension arm 3 are correspondingly clamped on the left side surface and the right side surface of the sand core, and each protruding part t is abutted against the corresponding side surface of the sand core and forms upward supporting force for the sand core. The sand core lifting device is arranged in such a way, multi-point support is formed, and the stability of the sand core in the lifting process is guaranteed.
Specifically, a plurality of first positioning columns a1 extending up and down are arranged on the beam 1, a plurality of second positioning columns a2 extending left and right are respectively arranged on the left suspension arm 2 and the right suspension arm 3, wherein each first positioning column a1 is gradually narrowed from top to bottom, each second positioning column a2 is gradually narrowed from one end part to the sand core direction, when the plurality of first positioning columns a1 are correspondingly inserted into the positioning holes on the top surface of the sand core, the left suspension arm 2 and the right suspension arm 3 move in a clamping mode relatively, and the plurality of second positioning columns a2 are correspondingly inserted into the positioning holes on the left side surface and the right side surface of the sand core. In some embodiments, two first positioning columns a1 are arranged side by side at intervals along the left-right direction, and two second positioning columns a2 are arranged on each suspension arm and are arranged side by side at intervals along the front-back direction of the sand core.
Meanwhile, the bottom surface of the cross beam 1 is further provided with four third positioning columns a3 extending up and down, the lower end part of each third positioning column a3 is arranged in a flush mode in the horizontal direction, connecting lines among the lower end parts of the four third positioning columns a3 form a rectangle, when the sand core is hoisted, the four third positioning columns a3 abut against the top surface of the sand core from the lower end parts, and the cross beam 1 keeps horizontal. The first positioning columns a1 are arranged in the rectangular space formed by the four third positioning columns a3 at intervals along the left-right direction.
In this example, the driving part 4 is used for driving the left boom 2 and the right boom 3 to be clamped or unclamped relatively, and the driving part 4 comprises a left connecting piece 40, a right connecting piece 41, a power piece 42 and a right power piece 43 which are respectively arranged at the left end and the right end of the beam 1, wherein the left power piece 42 and the right power piece 43 correspondingly drive the left boom 2 and the right boom 3 to move close to or away from each other in the left-right direction.
Specifically, the left connecting member 40 and the right connecting member 42 respectively include a first fixing module b1 and a second fixing module b2 arranged on the bottom surface of the beam 1 side by side at intervals along the left-right direction, and a guide rod b3 connected between the first fixing module b1 and the second fixing module b2, the left suspension arm 2 and the right suspension arm 3 are respectively sleeved on the corresponding guide rod b3, and the two left power members 42 and the right power member 43 are respectively and fixedly connected to the corresponding first fixing modules b 1. In some embodiments, two guide rods b3 are provided between each first stationary module b1 and the corresponding second stationary module b 2. By the arrangement, the motion limiting effect of the left and right suspension arms can be realized through the first fixing module and the second fixing module, and the left and right suspension arms are prevented from being excessively clamped or loosened; meanwhile, the structure is simple, and the installation and the implementation are convenient.
Specifically, the left power part 42 and the right power part 43 are both cylinders, and output shafts of the two cylinders are correspondingly and fixedly connected to the left suspension arm 2 and the right suspension arm 3; the driving part 4 further comprises an air pipe 44 communicating the two cylinders, and a scavenging valve 45 provided on the air pipe 44. By the arrangement, the left and right suspension arms synchronously move, and the stability is ensured; meanwhile, the weight of the lifting device is greatly reduced.
In addition, the hook 5 comprises a connecting seat 50 and a hook body 51, wherein the connecting seat 50 comprises an upper connecting plate 500 and a lower connecting plate 501 which are respectively arranged at the upper side and the lower side of the cross beam 1, and the upper connecting plate 500 and the lower connecting plate 501 are fixedly connected through bolts; the lifting hook body 51 is annular and is fixed on the upper connecting plate 500, and during lifting, the stress point of the lifting hook body 51 is aligned with the gravity center of the sand core in the vertical direction. The lifting hook is arranged in such a way, the position of the lifting hook on the cross beam can be flexibly adjusted according to the gravity center positions of different sand cores, and therefore the stress point of the lifting hook body and the gravity center of the sand core are aligned in the vertical direction.
In summary, the present embodiment has the following advantages:
1. the first positioning column and the second positioning column are arranged to ensure that the lifting device is accurately positioned relative to the sand core, so that the left and right lifting arms can conveniently and automatically clamp or loosen the sand core, the operation is labor-saving, the labor intensity is effectively reduced, and the efficiency is improved;
2. the sand core can be stably lifted and transported by virtue of multi-point positioning formed by the first positioning column and the second positioning column, so that the sand core is effectively prevented from falling off accidentally, and the safety is improved;
3. the third positioning column is arranged, so that the lifting device is positioned in the height direction;
4. the synchronous movement of the left and right suspension arms is realized by adopting the driving of the air cylinder, and the stability is ensured; meanwhile, the weight of the lifting device is greatly reduced;
5. the motion limiting function of the left and right suspension arms is realized through the two fixing modules, so that the left and right suspension arms are prevented from being excessively clamped or loosened;
6. the position of the lifting hook on the cross beam can be flexibly adjusted according to the gravity center positions of different sand cores, so that the stress point of the lifting hook body and the gravity center of the sand core are aligned in the vertical direction;
7. simple structure, easy to assemble and implement.
The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited thereto, and the present invention is not limited to the above-mentioned embodiments, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a overhead hoist suitable for diesel cylinder psammitolite which characterized in that: the top surface and the left and right side surfaces of the sand core are respectively provided with a plurality of positioning holes; the lifting device comprises a cross beam extending along the left and right directions, a left suspension arm, a right suspension arm, a driving part and a lifting hook, wherein the left suspension arm and the right suspension arm are arranged on the cross beam at intervals side by side, the driving part is used for driving the left suspension arm and the right suspension arm to be clamped or loosened relatively, the lifting hook is arranged on the cross beam, a plurality of first positioning columns extending up and down are arranged on the cross beam, a plurality of second positioning columns extending left and right are arranged on the left suspension arm and the right suspension arm respectively, the plurality of first positioning columns are correspondingly inserted into the positioning holes in the top surface of the sand core, the driving part drives the left suspension arm and the right suspension arm to move in a relatively clamping mode, and the plurality of second positioning columns are correspondingly inserted into the positioning holes in the left side surface and the right side surface of the sand core.
2. The overhead hoist suitable for diesel cylinder psammitolite of claim 1, characterized in that: the cross beam is further provided with a plurality of third positioning columns extending up and down, the lower end portions of the third positioning columns are arranged in a flush mode in the horizontal direction, during hoisting, the third positioning columns abut against the top surface of the sand core from the lower end portions, and the cross beam is kept horizontal.
3. The overhead hoist suitable for diesel cylinder psammitolite of claim 2, characterized in that: the number of the third positioning columns is four, and connecting lines among the lower end parts of the four third positioning columns form a rectangle.
4. The lifting device suitable for the diesel cylinder sand core of claim 3, which is characterized in that: the first positioning columns are distributed in a rectangular space formed by the four third positioning columns at intervals side by side along the left-right direction.
5. The overhead hoist suitable for diesel cylinder psammitolite of claim 1 or 4, characterized in that: each first positioning column is gradually narrowed from top to bottom.
6. The overhead hoist suitable for diesel cylinder psammitolite of claim 1, characterized in that: the driving part comprises a left power part and a right power part which are respectively fixed at the left end part and the right end part of the cross beam, the left suspension arm and the right suspension arm are positioned below the cross beam, and the left power part and the right power part correspondingly drive the left suspension arm and the right suspension arm to move close to or away from each other in the left-right direction.
7. The overhead hoist suitable for diesel cylinder psammitolite of claim 6, characterized in that: the left power part and the right power part are both cylinders, and output shafts of the two cylinders are correspondingly and fixedly connected to the left suspension arm and the right suspension arm; the driving part also comprises an air pipe for communicating the two cylinders and a scavenging valve arranged on the air pipe.
8. The overhead hoist suitable for diesel cylinder psammitolite of claim 7, characterized in that: the driving part is characterized by further comprising a left connecting piece and a right connecting piece which are arranged at the left end and the right end of the cross beam respectively, wherein the left connecting piece and the right connecting piece are arranged side by side at intervals along the left-right direction and are connected with a first fixing module and a second fixing module on the bottom surface of the cross beam and a guide rod between the first fixing module and the second fixing module, the left suspension arm and the right suspension arm are respectively sleeved on the guide rod correspondingly, and the two cylinders are respectively and fixedly connected on the first fixing module correspondingly.
9. The overhead hoist suitable for diesel cylinder psammitolite of claim 1, characterized in that: and the inner sides of the left suspension arm and the right suspension arm are respectively provided with a convex part matched with the corresponding side profile of the sand core, and during hoisting, each convex part is abutted against the corresponding side of the sand core and forms an upward supporting force for the sand core.
10. The overhead hoist suitable for diesel cylinder psammitolite of claim 1, characterized in that: the lifting hook comprises a connecting seat and a lifting hook body, wherein the connecting seat comprises an upper connecting plate and a lower connecting plate which are respectively arranged on the upper side and the lower side of the cross beam, and the upper connecting plate and the lower connecting plate are fixedly connected through a bolt piece; the lifting hook body is fixed on the upper connecting plate, and during lifting, the stress point of the lifting hook body is aligned with the gravity center of the sand core in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222157052.2U CN218201776U (en) | 2022-08-16 | 2022-08-16 | Hoisting device suitable for diesel cylinder sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222157052.2U CN218201776U (en) | 2022-08-16 | 2022-08-16 | Hoisting device suitable for diesel cylinder sand core |
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| Publication Number | Publication Date |
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| CN218201776U true CN218201776U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222157052.2U Active CN218201776U (en) | 2022-08-16 | 2022-08-16 | Hoisting device suitable for diesel cylinder sand core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125596A (en) * | 2023-10-26 | 2023-11-28 | 山西鑫宇机械制造股份有限公司 | Lifting device and method for sand box shakeout |
-
2022
- 2022-08-16 CN CN202222157052.2U patent/CN218201776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125596A (en) * | 2023-10-26 | 2023-11-28 | 山西鑫宇机械制造股份有限公司 | Lifting device and method for sand box shakeout |
| CN117125596B (en) * | 2023-10-26 | 2023-12-19 | 山西鑫宇机械制造股份有限公司 | Lifting device and method for sand box shakeout |
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