CN217627156U - Gravity type lifting appliance - Google Patents
Gravity type lifting appliance Download PDFInfo
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- CN217627156U CN217627156U CN202220801871.3U CN202220801871U CN217627156U CN 217627156 U CN217627156 U CN 217627156U CN 202220801871 U CN202220801871 U CN 202220801871U CN 217627156 U CN217627156 U CN 217627156U
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- gripper
- plate
- groove
- upright
- upright post
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model belongs to the technical field of the radioactive substance is handled, concretely relates to gravity type hoist, including setting up pole setting (1) in riser (2) of two parallels, the lower extreme of pole setting (1) is equipped with a pair of gripper (9), is in along with pole setting (1) up-and-down motion in riser (2), gripper (9) can realize opening and closed, thereby the realization is right snatching and releasing of steel drum. The utility model discloses can remotely snatch the steel drum that the top was equipped with the flange, need not pneumatic/electric mechanism and provide power, power comes from hoist self gravity completely, has the security height, the advantage that the fault rate is low, the dose that can effectual reduction operating personnel received.
Description
Technical Field
The utility model belongs to the technical field of radioactive substance handles, concretely relates to gravity type hoist.
Background
In the fields of spent fuel post-treatment and radioactive three-waste treatment, related products are generally packed in containers. In the packaging container transfer process, an automatic gripper is often used to grip the packaging container. Various types of steel drums are one type of packaging container that is often used. The common feature of these drums is a flange at the top for gripping by a gripper.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hoisting device. The device can realize the grabbing and releasing of the steel drum without depending on external power.
In order to achieve the above purpose, the utility model discloses a technical scheme is a gravity type hoist (for short the hoist) for to the hoist and mount of the steel drum that is equipped with radioactive substance, wherein, including setting up the pole setting in the riser of two parallels, the lower extreme of pole setting is equipped with a pair of grabhook, and along with the pole setting is in up-and-down motion in the riser, the grabhook can realize opening and closed, thereby the realization is right snatching and releasing of steel drum.
Further, in the present invention,
the upright post comprises an upright post and a pair of connecting rods arranged at the bottom end of the upright post, and the top ends of the connecting rods are connected with the upright post in a hinged manner;
the bottom end of the connecting rod is provided with one gripper, and the gripper is connected with the connecting rod in a hinged mode;
the bottom end of the upright post is also provided with a pair of parallel triangular plates, and the triangular plates are connected with the bottom end of the upright post in a hinged manner;
and a sliding block is also arranged on the upright column above the triangular plate.
Further, in the present invention, it is preferable that,
the upper end of the vertical plate is provided with a slide block groove for limiting the movement range of the slide block;
two sides of the lower end of the vertical plate are respectively provided with a gripper guide groove for limiting the movement range of the gripper;
a cam plate placing groove is formed between the two gripper guide grooves and used for installing a cam plate, and the cam plate is used for limiting the movement range of the triangular plate;
the top end of the upright post extends out of the upper end of the vertical plate;
when the upright post moves upwards and the sliding block is positioned at the upper end of the sliding block groove, the two grabs are close to each other and are in a closed grabbing state;
when the upright post moves downwards and the sliding block is positioned at the lower end of the sliding block groove, the two grabs are far away from each other and are in an open release state.
Further, first protruding sections are arranged on two sides of the gripper and located in the gripper guide grooves and used for matching with the gripper guide grooves to limit the movement range of the gripper.
Further, in the present invention,
the two triangular plates are fixed and spaced through a pin shaft, and a second protruding section is arranged on the side surface of each triangular plate, which faces the cam plate;
the inner surface of the installation cam plate is provided with a groove;
the second protruding section on the triangular plate is positioned in the groove and used for matching with the groove to limit the movement range of the triangular plate.
Further, in the present invention,
the groove is of an irregular annular structure and is sequentially provided with a first position, a second position, a third position and a fourth position, and when the upright post moves up and down, the triangular plate sequentially and circularly slides along the first position, the second position, the third position and the fourth position;
when the triangular plate is located at the first position, the sliding block is located at the lower end of the sliding block groove, and the gripper is in an open release state;
when the upright column descends to enable the triangular plate to enter the second position from the first position, the gripper is in an open release state;
when the upright column rises to enable the triangular plate to enter the third position from the second position, the sliding block is positioned at the upper end of the sliding block groove, and the gripper is in a closed gripping state;
when the upright column descends to enable the triangular plate to enter the fourth position from the third position, the gripper is in an open release state.
The vertical plate positioning device is characterized by further comprising a plurality of guide rollers arranged at the upper ends of the vertical plates, wherein each guide roller is composed of a distance rod and a guide sleeve capable of rolling, and the guide rollers are arranged on two sides of the vertical plate in pairs and used for distance measurement on the two vertical plates and guiding and resistance reduction when the vertical plate slides up and down.
Further, still including setting up the holding ring in the riser lower extreme, the holding ring is an annular steel ring for with carry out preliminary location between the steel drum.
The buffer device is used for buffering after being in contact with the steel drum, and the steel drum is prevented from being damaged by hard contact between the steel drum and the vertical plate.
The utility model has the advantages as follows:
1. the steel drum with the flange on the top can be grabbed remotely;
2. the pneumatic/electric mechanism is not needed to provide power, the power is completely from the gravity of the lifting appliance, the safety is high, the failure rate is low, and the dosage borne by an operator can be effectively reduced;
3. after being properly modified, the device can also be used for grabbing other types of steel drums.
Drawings
Fig. 1 is a schematic perspective view of a gravity spreader in accordance with an embodiment of the present invention;
fig. 2 is a schematic plan view of a gravity spreader in accordance with an embodiment of the present invention;
figure 3 is a schematic view of a pole 1 according to an embodiment of the invention;
fig. 4 is a schematic perspective view of the vertical plate 2 according to the embodiment of the present invention;
fig. 5 is a schematic plan view of a vertical plate 2 according to an embodiment of the present invention;
fig. 6 is a schematic view of a positioning ring 3 according to an embodiment of the invention;
FIG. 7 is a partial schematic view of the location of the set square 10 in accordance with an embodiment of the present invention;
fig. 8 is a partial schematic view of a gripper 9 according to an embodiment of the invention;
fig. 9 is a perspective view of the cam plate 6 according to the embodiment of the present invention;
fig. 10 is a schematic plan view of the cam plate 6 according to the embodiment of the present invention (the arrow direction is the sliding direction of the second projecting section 14 on the cam plate 10);
fig. 11 is a schematic view of a guide roller 4 according to an embodiment of the present invention;
FIG. 12 is a schematic view of a cushioning apparatus 5 according to an embodiment of the present invention;
in the figure: 1-vertical rod, 2-vertical plate, 3-positioning ring, 4-guide roller, 5-buffer device, 6-cam plate, 7-vertical column, 8-connecting rod, 9-gripper, 10-triangular plate, 11-sliding block, 12-first protruding section, 13-pin shaft, 14-second protruding section, 15-sliding block groove, 16-cam plate placing groove, 17-gripper guide groove and 18-groove.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1 and 2, a gravity type lifting appliance is used for lifting steel drums filled with radioactive substances, and includes vertical rods 1 arranged in two parallel vertical plates 2, wherein the vertical plates 2 form a 'skeleton' of the lifting appliance and are used for rooting other parts, a pair of grippers 9 are arranged at the lower ends of the vertical rods 1, and the grippers 9 can be opened and closed along with the vertical rods 1 moving up and down in the vertical plates 2, so as to grip and release the steel drums, and more specifically, the grippers 9 grip and release flanges at the tops of the steel drums.
As shown in fig. 3, the vertical rod 1 comprises a vertical column 7 and a pair of connecting rods 8 arranged at the bottom end of the vertical column 7, and the top ends of the connecting rods 8 are connected with the vertical column 7 in a hinged manner;
the bottom end of the connecting rod 8 is provided with a gripper 9, and the gripper 9 is connected with the connecting rod 8 in a hinged manner;
the bottom end of the upright post 7 is also provided with a pair of parallel triangular plates 10, and the triangular plates 10 are connected with the bottom end of the upright post 7 in a hinged manner;
a slide block 11 is also arranged on the upright post 7 above the triangle 10.
As shown in fig. 4 and 5, the upper end of the vertical plate 2 is provided with a slider groove 15 for limiting the movement range of the slider 11; the slide block 11 can slide up and down in the slide block slot 15 of the vertical plate 2, and plays a role in indicating the state of the lifting appliance;
two sides of the lower end of the vertical plate 2 are respectively provided with a gripper guide groove 17 for limiting the movement range of the gripper 9; the gripper 9 can slide in the gripper guide groove 17, and the gripper guide groove 17 plays a role in guiding;
a cam plate placing groove 16 is arranged (tightly connected) between the two gripper guide grooves 17 and is used for installing the cam plate 6, and the cam plate 6 is used for limiting the movement range of the triangular plate 10;
the top end of the upright post 7 extends out of the upper end of the vertical plate 2;
when the upright post 7 moves upwards and the slide block 11 is positioned at the upper end of the slide block groove 15, the two grabs 9 are close to each other and in a closed grabbing state;
when the upright 7 moves downwards and the slider 11 is positioned at the lower end of the slider slot 15, the two grippers 9 move away from each other in an open release position.
As shown in fig. 8, the gripper 9 is provided with first projecting sections 12 on both sides, and the first projecting sections 12 are located in the gripper guide grooves 17 for defining the movement range of the gripper 9 in cooperation with the gripper guide grooves 17.
As shown in fig. 7, two triangular plates 10 are fixed and spaced by a pin 13, and a second protruding section 14 is arranged on the side surface of the triangular plate 10 facing the cam plate 6;
as shown in fig. 9, the inner surface of the mounting cam plate 6 is provided with a groove 18;
the second protruding section 14 on the triangle 10 is positioned in the groove 18 and is used for matching with the groove 18 to limit the movement range of the triangle 10; the second projecting section 14 is able to slide within the groove 18.
As shown in fig. 10, the groove 18 is an irregular annular structure and is sequentially provided with a first position, a second position, a third position and a fourth position, and when the upright post 7 moves up and down, the triangular plate 10 sequentially and circularly slides along the first position, the second position, the third position and the fourth position;
when the triangular plate 10 is positioned at the first position, the slide block 11 is positioned at the lower end of the slide block groove 15, and the gripper 9 is in an open release state;
when the upright 7 is lowered so that the triangle 10 goes from the first position to the second position, the gripper 9 is in an open release condition;
when the upright post 7 ascends to enable the triangular plate 10 to enter a third position from the second position, the sliding block 11 is positioned at the upper end of the sliding block groove 15, and the gripper 9 is in a closed gripping state;
when the upright 7 is lowered so that the triangle 10 goes from the third position to the fourth position, the gripper 9 assumes an open release condition.
Still including setting up a plurality of guide roller 4 (as shown in fig. 11) in riser 2 upper end, guide roller 4 comprises distance pole and rollable uide bushing, and guide roller 4 sets up in pairs in stand 7 both sides for play the distance effect to two risers 2, still be used for the stand 7 direction when sliding from top to bottom and slow down the resistance.
The lifting device further comprises a positioning ring 3 (shown in figure 6) arranged at the lower end of the vertical plate 2, wherein the positioning ring 3 is an annular steel ring and is used for performing primary positioning between the gravity type lifting appliance and the steel barrel.
The lifting device is characterized by further comprising a buffering device 5 (shown in fig. 12) arranged on the outer side of the vertical plate 2, wherein the buffering device 5 is mainly used for buffering after the gravity type lifting appliance is in contact with the steel drum, and the steel drum is prevented from being damaged by hard contact between the steel drum and the vertical plate 2.
Finally, a specific application of the present invention is explained:
initially the second protruding section 14 of the cam plate 10 is in the first position of the recess 18 of the cam plate 6 (see fig. 10), the slider 11 is at the lower end of the slider slot 15, the gripper 9 is in the open state and the spreader is thus in the released state. When the lifting appliance is lowered longitudinally and contacts the steel drum, the upright post 7 will continue to be lowered due to gravity, and the second protruding section 14 of the triangle 10 will be driven to move from the first position to the second position along the arrow direction in fig. 10.
At this time, the column 7 has reached the lower limit position, and cannot be lowered further, and the hanger starts to ascend longitudinally. Because there is relative motion between pole setting 1 and riser 2, the major structure that riser 2 constitutes still sits on the steel drum this moment. The upright post 7 moves upwards, and the connecting action of the connecting rod 8 between the upright post 7 and the gripper 9 drives the gripper 9 to slide towards the closed state along the gripper guide groove 17.
When the upright post 7 continues to move upwards to drive the second protruding section 14 of the triangle 10 to move from the second position to the third position along the arrow direction in fig. 10, the upright post 7 reaches the upper limit position, the slide block 11 is positioned at the upper end of the slide block groove 15, the gripper 9 is completely in the closed state, and the lifting appliance holds the flange at the top end of the steel drum tightly. At the moment, the lifting appliance and the steel drum are connected into a whole and can be transported through auxiliary equipment such as a crane.
After the steel drum is transported to other stations, the lifting appliance longitudinally descends. When the upright post 7 descends to move the second protruding section 14 of the triangle 10 from the third position to the fourth position in the direction of the arrow in fig. 10, the gripper 9 is driven to slide along the gripper guide groove 17 to the released state. Then the upright post 7 is lifted to drive the second protruding section 14 of the triangle 10 to move from the fourth position to the first position along the arrow direction in fig. 10, and the lifting appliance is in an initial release state. The separation of the lifting appliance and the steel drum can be realized at the moment.
The device of the present invention is not limited to the specific embodiments described in the embodiments, and those skilled in the art can obtain other embodiments according to the technical solution of the present invention, which also belongs to the technical innovation scope of the present invention.
Claims (9)
1. The utility model provides a gravity type hoist for to the hoist and mount of the steel drum that is equipped with radioactive substance, characterized by: the steel drum grabbing device comprises upright rods (1) arranged in two parallel vertical plates (2), wherein a pair of grabs (9) is arranged at the lower end of each upright rod (1), and the grabs (9) can be opened and closed along with the vertical movement of the upright rods (1) in the vertical plates (2), so that the steel drum is grabbed and released.
2. A gravity spreader according to claim 1, wherein:
the upright rod (1) comprises an upright column (7) and a pair of connecting rods (8) arranged at the bottom end of the upright column (7), and the top ends of the connecting rods (8) are connected with the upright column (7) in a hinged manner;
the bottom end of the connecting rod (8) is provided with the gripper (9), and the gripper (9) is connected with the connecting rod (8) in a hinged mode;
the bottom end of the upright post (7) is also provided with a pair of parallel triangular plates (10), and the triangular plates (10) are connected with the bottom end of the upright post (7) in a hinged manner;
and a sliding block (11) is also arranged on the upright post (7) above the triangular plate (10).
3. A gravity spreader according to claim 2 wherein:
the upper end of the vertical plate (2) is provided with a slide block groove (15) for limiting the movement range of the slide block (11);
two sides of the lower end of the vertical plate (2) are respectively provided with a gripper guide groove (17) for limiting the movement range of the gripper (9);
a cam plate placing groove (16) is arranged between the two gripper guide grooves (17) and used for installing a cam plate (6), and the cam plate (6) is used for limiting the movement range of the triangular plate (10);
the top end of the upright post (7) extends out of the upper end of the vertical plate (2);
when the upright post (7) moves upwards and the sliding block (11) is positioned at the upper end of the sliding block groove (15), the two grippers (9) are close to each other and are in a closed gripping state;
when the upright post (7) moves downwards and the slide block (11) is positioned at the lower end of the slide block groove (15), the two grippers (9) are far away from each other and are in an open release state.
4. A gravity spreader according to claim 3, wherein: the two sides of the gripper (9) are provided with first protruding sections (12), and the first protruding sections (12) are located in the gripper guide grooves (17) and used for being matched with the gripper guide grooves (17) to limit the movement range of the gripper (9).
5. A gravity spreader according to claim 3, wherein:
the two triangular plates (10) are fixed and spaced through a pin shaft (13), and a second protruding section (14) is arranged on the side surface of each triangular plate (10) facing the cam plate (6);
the inner surface of the installation cam plate (6) is provided with a groove (18);
the second protruding section (14) on the triangle (10) is positioned in the groove (18) and is used for matching the groove (18) to limit the movement range of the triangle (10).
6. A gravity spreader according to claim 5, wherein:
the groove (18) is of an irregular annular structure and is sequentially provided with a first position, a second position, a third position and a fourth position, and when the upright post (7) moves up and down, the triangular plate (10) sequentially and circularly slides along the first position, the second position, the third position and the fourth position;
when the triangle (10) is at the first position, the slide block (11) is at the lower end of the slide block groove (15), and the gripper (9) is in an open release state;
when the upright (7) descends to enable the triangular plate (10) to enter the second position from the first position, the gripper (9) is in an open release state;
when the upright post (7) is lifted to enable the triangular plate (10) to enter the third position from the second position, the sliding block (11) is positioned at the upper end of the sliding block groove (15), and the gripper (9) is in a closed gripping state;
when the upright (7) descends to enable the triangular plate (10) to enter the fourth position from the third position, the gripper (9) is in an open release state.
7. A gravity spreader according to claim 3 wherein: the vertical plate fixing device is characterized by further comprising a plurality of guide rollers (4) arranged at the upper ends of the vertical plates (2), wherein the guide rollers (4) are composed of distance rods and guide sleeves capable of rolling, the guide rollers (4) are arranged on two sides of the vertical plate (7) in pairs and used for distance control of the vertical plates (2) and guiding and resistance reduction when the vertical plate (7) slides up and down.
8. A gravity spreader according to claim 3, wherein: the vertical plate is characterized by further comprising a positioning ring (3) arranged at the lower end of the vertical plate (2), wherein the positioning ring (3) is an annular steel ring and is used for preliminarily positioning the steel barrel.
9. A gravity spreader according to claim 3, wherein: the steel drum buffer device is characterized by further comprising a buffer device (5) arranged on the outer side of the vertical plate (2), wherein the buffer device (5) is used for buffering after being in contact with the steel drum, and the steel drum is prevented from being damaged by hard contact between the steel drum and the vertical plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220801871.3U CN217627156U (en) | 2022-04-08 | 2022-04-08 | Gravity type lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220801871.3U CN217627156U (en) | 2022-04-08 | 2022-04-08 | Gravity type lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217627156U true CN217627156U (en) | 2022-10-21 |
Family
ID=83646135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220801871.3U Active CN217627156U (en) | 2022-04-08 | 2022-04-08 | Gravity type lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217627156U (en) |
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2022
- 2022-04-08 CN CN202220801871.3U patent/CN217627156U/en active Active
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