CN220926061U - Scissor type pipe piece lifting device - Google Patents
Scissor type pipe piece lifting device Download PDFInfo
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- CN220926061U CN220926061U CN202322544058.XU CN202322544058U CN220926061U CN 220926061 U CN220926061 U CN 220926061U CN 202322544058 U CN202322544058 U CN 202322544058U CN 220926061 U CN220926061 U CN 220926061U
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- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a scissor type pipe piece hoisting device which is used for hoisting and transporting shield pipe pieces; the device comprises a first clamping arm and a second clamping arm which are arranged left and right; the first clamping arm comprises a first vertical section, and the first vertical section is used for being arranged on the annular outer side of the shield segment; the second clamping arm comprises a second vertical section and an inclined section, the second vertical section is arranged on the annular inner side of the shield segment, and the inclined section is used for being embedded into the accommodating groove of the shield segment; the shield segment clamping device comprises a shield segment, and is characterized by further comprising a clamping assembly, one end of the clamping assembly is connected with the first clamping arm and the second clamping arm, the other end of the clamping assembly is used for being connected with crane equipment, and the clamping assembly is used for driving the first clamping arm and the second clamping arm to move close to each other so as to clamp the shield segment. The safety stability of the shield segment during hoisting and transportation is improved, and the risk of falling off midway of the shield segment is reduced.
Description
Technical Field
The utility model relates to the field of hoisting devices, in particular to a scissor type duct piece hoisting device.
Background
The development of an underground traffic system depends on the excavation of a tunnel, and the shield tunnel construction is widely used for the construction of the underground tunnel due to the characteristics of high safety, high construction speed and small disturbance. When the underground tunnel is constructed by adopting the shield tunneling machine, a plurality of shield segment linings are arranged on the working surface tunneled by the shield tunneling machine for forming; as shown in figure 1, an arc-shaped through hole is formed in the shield segment, the arc-shaped through hole is used for allowing an arc-shaped bolt with a certain bending degree to pass through, and the arc-shaped bolt is matched with a nut to fixedly connect the adjacent shield segments. Meanwhile, an accommodating groove is formed in one end of the arc-shaped through hole and in the annular inner side of the shield segment, and the accommodating groove is used for accommodating the end head of the arc-shaped bolt so as to prevent the end head from protruding outwards from the surface of the shield segment.
In the related art, a mode of combining a lifting rope with crane equipment is generally adopted to hoist and transport shield segments; specifically, a lifting rope is fixedly connected with a shield segment, and then the lifting rope is connected with a crane device to lift and convey the shield segment; therefore, the shield segment is easy to shake and swing due to the influence of the lifting rope in the lifting and transporting process, so that the safety and stability in the lifting and transporting process are lower, and the risk of the shield segment falling midway is increased.
Disclosure of utility model
The utility model mainly aims to provide a scissor type pipe piece hoisting device, which aims to improve the safety stability of shield pipe pieces during hoisting and transportation and reduce the risk of falling off midway of the shield pipe pieces.
In order to achieve the above purpose, the utility model provides a scissor type pipe piece hoisting device which is used for hoisting and transporting shield pipe pieces; the device comprises a first clamping arm and a second clamping arm which are arranged left and right; the first clamping arm comprises a first vertical section, and the first vertical section is used for being arranged on the annular outer side of the shield segment; the second clamping arm comprises a second vertical section and an inclined section, the second vertical section is arranged on the annular inner side of the shield segment, and the inclined section is used for being embedded into the accommodating groove of the shield segment; the shield segment clamping device comprises a shield segment, and is characterized by further comprising a clamping assembly, one end of the clamping assembly is connected with the first clamping arm and the second clamping arm, the other end of the clamping assembly is used for being connected with crane equipment, and the clamping assembly is used for driving the first clamping arm and the second clamping arm to move close to each other so as to clamp the shield segment.
Optionally, a first plate and a first rubber gasket are sequentially arranged on one side of the first vertical section, which is used for being attached to the shield segment, and/or a second plate and a second rubber gasket are sequentially arranged on one side of the second vertical section, which is used for being attached to the shield segment, and/or a third plate and a third rubber gasket are sequentially arranged on one side of the inclined section, which is used for being attached to the accommodating groove; the first rubber gasket, the second rubber gasket and the third rubber gasket are all positioned on one side close to the shield segment.
Optionally, a first connecting rod is arranged at one side of the first plate away from the first rubber gasket, the other end of the first connecting rod penetrates through the side wall of the first vertical section and is connected with a first limiting piece, the first connecting rod is in sliding connection with the first vertical section, and the first limiting piece is propped against the first vertical section; the first connecting rod is sleeved with a first spring piece, and two opposite ends of the first spring piece are respectively abutted against the first plate and the first vertical section.
Optionally, a second connecting rod is arranged on one side, away from the second rubber gasket, of the second plate, the other end of the second connecting rod penetrates through the side wall of the second vertical section and is connected with a second limiting piece, the second connecting rod is in sliding connection with the second vertical section, and the second limiting piece abuts against the second vertical section; and a second spring piece is sleeved on the second connecting rod, and the opposite ends of the second spring piece are respectively propped against the second plate and the second vertical section.
Optionally, the inclined lower end of the third plate is hinged with the inclined section, and an elastic piece is arranged between the inclined upper end of the third plate and the inclined section; under the elastic action of the elastic piece, the third plate moves rotationally towards the fitting surface of the accommodating groove.
Optionally, a concave part is arranged on one side of the first vertical section and one side of the second vertical section, which is far away from the shield segment, and a plurality of support rods are transversely arranged in the concave part.
Optionally, the first clamping arm further comprises a first horizontal section, the second clamping arm further comprises a second horizontal section, one end of the first horizontal section is sleeved on the outer side of the second horizontal section, and the first horizontal section is horizontally and slidably connected with the second horizontal section; the other end of the first horizontal section is connected with the first vertical section; one end of the second horizontal section, which is far away from the first horizontal section, is connected with the second vertical section.
Optionally, the clamping assembly comprises a transmission rod group and a hoisting part, the lower end of the transmission rod group is connected with the first clamping arm and the second clamping arm, and the upper end of the transmission rod group is connected with the hoisting part; the lifting part comprises a lifting lug, and the lifting lug is used for being connected with a lifting hook piece of the crane equipment.
Optionally, the transmission rod group comprises a first rod piece and a second rod piece which are arranged in a crossing way, and the first rod piece is movably connected with the second rod piece; the lower end of the first rod piece is movably connected with the first clamping arm, and the upper end of the first rod piece is movably connected with the hoisting part through a third rod piece; the lower end of the second rod piece is movably connected with the second clamping arm, and the upper end of the second rod piece is movably connected with the hoisting part through a fourth rod piece.
Optionally, the device comprises two groups of transmission rod groups, wherein the two groups of transmission rod groups are symmetrically arranged on two opposite sides of the first clamping arm and the second clamping arm, and the two groups of transmission rod groups are connected through a third connecting rod.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model is characterized in that a first clamping arm and a second clamping arm are arranged, wherein the first clamping arm comprises a first vertical section, and the second clamping arm comprises a second vertical section and an inclined section; in the lifting process of the shield segment, the first vertical segment and the second vertical segment are used for being close to and attached to the annular outer side and the annular inner side of the shield segment under the driving of the clamping assembly so as to clamp the shield segment; and the shield segment is embedded into the accommodating groove of the shield segment through the inclined segment, and is longitudinally limited by the inclined segment, so that the shield segment is prevented from falling from between the first vertical segment and the second vertical segment in the lifting process, the safety and stability of the shield segment during lifting and transportation are improved, and the risk of falling in the middle of the shield segment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a shield segment in the background art;
FIG. 2 is a schematic structural view of an embodiment of a scissor tube lifting apparatus according to the present utility model;
fig. 3 is a schematic structural diagram of an embodiment of a scissor type duct piece hoisting device according to the present utility model;
fig. 4 is a schematic structural view of a first connecting rod in an embodiment of the scissor tube lifting device according to the present utility model;
fig. 5 is a schematic structural view of a third plate in an embodiment of the scissor tube lifting apparatus according to the present utility model.
The names of the components marked in the figures are as follows:
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and rear … …) in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement situation, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is correspondingly changed.
Furthermore, it should be noted that the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The embodiment discloses a scissor type pipe piece lifting device which is used for lifting and transporting shield pipe pieces 8; 1-5, including a first clamping arm 1 and a second clamping arm 2 which are arranged left and right; the first clamping arm 1 comprises a first vertical section 101, and the first vertical section 101 is used for being arranged on the annular outer side of the shield segment 8; the second clamping arm 2 comprises a second vertical section 201 and an inclined section 203, the second vertical section 201 is used for being arranged on the annular inner side of the shield segment 8, and the inclined section 203 is used for being embedded into a containing groove 802 of the shield segment 8; still include clamping assembly 3, first arm lock 1 and second arm lock 2 are connected to clamping assembly 3's one end, and clamping assembly 3's the other end is used for connecting loop wheel machine equipment (not shown in the figure), and clamping assembly 3 is used for driving first arm lock 1 and second arm lock 2 to take place to be close to the motion in order to press from both sides shield segment 8.
The first clamping arm 1 and the second clamping arm 2 are arranged, wherein the first clamping arm 1 comprises a first vertical section 101, and the second clamping arm 2 comprises a second vertical section 201 and an inclined section 203; in the lifting process of the shield segment 8, the first vertical segment 101 and the second vertical segment 201 are mutually close to each other and are attached to the annular outer side and the annular inner side of the shield segment 8 by the driving of the clamping assembly 3 so as to clamp the shield segment 8; and through the inside of the holding tank 802 that the slope section 203 embedded to shield segment 8, utilize the slope section 203 to carry out vertical spacing to shield segment 8, ensure that shield segment 8 can not drop from between first perpendicular section 101 and the perpendicular section 201 of second in hoist and mount in-process to realize improving the safety and stability when shield segment 8 hoist and mount transportation, reduce the risk that shield segment 8 dropped midway.
As a preferable solution of the foregoing embodiment, a first plate 1011 and a first rubber gasket 1012 are sequentially disposed on a side of the first vertical section 101 for attaching to the shield segment 8, and/or a second plate 2011 and a second rubber gasket 2012 are sequentially disposed on a side of the second vertical section 201 for attaching to the shield segment 8, and/or a third plate 2031 and a third rubber gasket 2032 are sequentially disposed on a side of the inclined section 203 for attaching to the accommodating groove 802; the first rubber gasket 1012, the second rubber gasket 2012, and the third rubber gasket 2032 are all located on the side near the shield segment 8. The arrangement is that the shield segment 8 has a certain arc degree, so that the first vertical segment 101 and the second vertical segment 201 can be completely attached to the surface of the shield segment 8, and enough friction force is ensured between the first vertical segment and the second vertical segment during clamping; based on the above-described consideration, the first and second vertical segments 101 and 201 are provided with the first and second rubber gaskets 1012 and 2012, and the surfaces of the shield segments 8 can be completely bonded to the first and second vertical segments 101 and 201 by utilizing the elastic variable characteristics of the first and second rubber gaskets 1012 and 2012. In addition, the longitudinal pressure of shield segment 8 during the lifting process is almost borne by inclined segment 203, according to the area-by-pressure formula p=f/a, where P represents the pressure, F represents the force or magnitude of the force, and a represents the contact area. In this embodiment, the force F borne by the inclined segment 203 is fixed, that is, the self weight of the shield segment 8; therefore, when the contact area A is larger, the pressure born by the inclined section 203 is smaller, so that the use fatigue value of the inclined section 203 is reduced, and the service life of the inclined section is prolonged; based on the above consideration, the third rubber gasket 2032 is arranged on one side of the inclined section 203, which is attached to the accommodating groove 802, namely, the upper surface of the inclined section 203, and the contact area between the inclined surface and the accommodating groove 802 is increased by using the third rubber gasket 2032 which can be elastically deformed, so that the pressure born by the inclined section 203 is reduced, and the risk of mutual fracture of the inclined section 203 and the second vertical section 201 caused by overlarge pressure can be reduced.
Specifically, referring to fig. 4, a first connecting rod 1013 is disposed on a side of the first plate 1011 away from the first rubber gasket 1012, the other end of the first connecting rod 1013 passes through the side wall of the first vertical section 101 and is connected with a first limiting member 1014, the first connecting rod 1013 is slidably connected with the first vertical section 101, and the first limiting member 1014 abuts against the first vertical section 101; the first connecting rod 1013 is sleeved with a first spring member 1015, and opposite ends of the first spring member 1015 respectively abut against the first plate 1011 and the first vertical section 101. So set up, considering that the first vertical section 101 is in rigid contact with the shield segment 8 when being attached, in order to reduce the impact force when the two are attached, the first plate 1011 and the first vertical section 101 are provided with the slidable first connecting rod 1013, and the first connecting rod 1013 is sleeved with the first spring member 1015, and the impact force between the first vertical section 101 and the shield segment 8 is slowed down by utilizing the elastic acting force of the first spring member 1015, so as to provide better protection for the first vertical section 101 and the shield segment 8. Meanwhile, a first limiting member 1014 is disposed at an end of the first connecting rod 1013 away from the first plate 1011, and the first limiting member 1014 abuts against the first vertical section 101, so as to avoid the first plate 1011 from being separated from the first vertical section 101 under the elastic force of the first spring member 1015.
Specifically, a second connecting rod is disposed on one side of the second plate 2011 far away from the second rubber gasket 2012, and the other end of the second connecting rod passes through the side wall of the second vertical section 201 and is connected with a second limiting piece, the second connecting rod is slidably connected with the second vertical section 201, and the second limiting piece is abutted against the second vertical section 201; the second connecting rod is sleeved with a second spring piece, and two opposite ends of the second spring piece are respectively propped against the second plate 2011 and the second vertical section 201. So set up, consider the second perpendicular section 201 to be the rigid contact with shield segment 8 when laminating, in order to reduce the impact force when both laminating, this embodiment sets up slidable second connecting rod between second plate 2011 and second perpendicular section 201, and the cover is equipped with the second spring spare on the second connecting rod, utilizes the elastic force of second spring spare in order to slow down the impact force between second perpendicular section 201 and the shield segment 8, provides better protection to second perpendicular section 201 and shield segment 8. Meanwhile, a second limiting piece is arranged at one end, far away from the second plate 2011, of the second connecting rod, and the second limiting piece abuts against the second vertical section 201, so that the second plate 2011 is prevented from being separated from the second vertical section 201 under the elastic acting force of the second spring piece. Since the arrangement of the second connecting rod in this embodiment is the same as that of the first connecting rod 1013, the present application will not be described with reference to the drawings.
Specifically, referring to fig. 5, the inclined lower end of the third plate 2031 is hinged to the inclined section 203 by a rotation shaft 2033, and an elastic member 2034 is provided between the inclined upper end of the third plate 2031 and the inclined section 203; the third plate 2031 is rotated toward the fitting surface of the accommodation groove 802 by the elastic action of the elastic member 2034. So configured, in view of the small amount of deviation between the receiving grooves 802 of each shield segment 8 due to the difference in manufacturing process, in order to ensure that the inclined segment 203 is sufficiently bonded to the receiving groove 802 of each shield segment 8 smoothly; the present embodiment enables the third plate 2031 to rotate relative to the inclined section 203 by the above-described design, so that the third rubber gasket 2032 is sufficiently fitted with the accommodation groove 802.
As a preferable scheme of the above embodiment, a concave portion 4 is provided on one side of the first vertical section 101 and the second vertical section 201 away from the shield segment 8, and a plurality of support rods 401 are transversely provided in the concave portion 4. With this arrangement, it is considered that in the process of clamping the shield segment 8 by the first clamping arm 1 and the second clamping arm 2, an operator needs to assist in positioning from the side. Through setting up the handrail 401, the operating personnel of being convenient for carries out the position location through the handrail 401 to first arm lock 1 and second arm lock 2, improves the work efficiency that presss from both sides tightly shield segment 8.
As a preferable scheme of the above embodiment, the first clamping arm 1 further includes a first horizontal section 102, the second clamping arm 2 further includes a second horizontal section 202, one end of the first horizontal section 102 is sleeved on the outer side of the second horizontal section 202, and the first horizontal section 102 is horizontally slidably connected with the second horizontal section 202; the other end of the first horizontal section 102 is connected with the first vertical section 101; the end of the second horizontal section 202 remote from the first horizontal section 102 is connected to the second vertical section 201. By means of the arrangement, the first horizontal section 102 and the second horizontal section 202 are sleeved and connected in a sliding mode, the first clamping arm 1 and the second clamping arm 2 can conduct linear motion along the horizontal direction when moving close to each other, and stability of the first clamping arm 1 and the second clamping arm when moving close to each other is improved.
As a preferable scheme of the above embodiment, the clamping assembly 3 includes a transmission rod group 5 and a hoisting part 6, the lower end of the transmission rod group 5 is connected with the first clamping arm 1 and the second clamping arm 2, and the upper end of the transmission rod group 5 is connected with the hoisting part 6; the lifting part 6 comprises lifting lugs 601, the lifting lugs 601 being intended to be connected to hook members (not shown in the drawings) of a crane apparatus. So set up, be connected through the lifting hook spare that utilizes lug 601 and loop wheel machine equipment to realize that loop wheel machine equipment hangs shield section of jurisdiction 8 through hoist device, simple structure practicality is strong.
Specifically, the transmission rod set 5 includes a first rod member 501 and a second rod member 502 that are disposed in a crossing manner, where the first rod member 501 is movably connected to the second rod member 502; the lower end of the first rod piece 501 is movably connected with the first clamping arm 1, and the upper end of the first rod piece 501 is movably connected with the hoisting part 6 through a third rod piece 503; the lower end of the second rod member 502 is movably connected with the second clamping arm 2, and the upper end of the second rod member 502 is movably connected with the hoisting part 6 through the fourth rod member 504. The first rod 501, the second rod 502, the third rod 503 and the fourth rod 504 are mutually combined to form a scissor-like structure, and when the crane equipment lifts the clamping assembly 3, the first rod 501, the second rod 502, the third rod 503 and the fourth rod 504 are mutually folded under the action of self gravity, so that the first clamping arm 1 and the second clamping arm 2 move close to each other; and an external driving device is not needed during the process, so that the method is environment-friendly.
Specifically, the two sets of transmission rod groups 5 are included, the two sets of transmission rod groups 5 are symmetrically arranged on two opposite sides of the first clamping arm 1 and the second clamping arm 2, and the two sets of transmission rod groups 5 are connected through a third connecting rod 505. Through the transmission rod group 5 symmetrically arranged, the first clamping arm 1 and the second clamping arm 2 are stressed in balance when in approaching motion, and stability when in approaching motion is improved. And meanwhile, a third connecting rod 505 is arranged between the two transmission rod groups 5, so that the motion states of the two transmission rod groups 5 are consistent.
It should be noted that other contents of the scissor type duct piece hoisting device disclosed by the utility model are the prior art, and are not described herein.
The foregoing is merely an alternative embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and all applications of the present utility model directly/indirectly in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The scissor type pipe piece hoisting device is used for hoisting and transporting shield pipe pieces; the device is characterized by comprising a first clamping arm and a second clamping arm which are arranged left and right; the first clamping arm comprises a first vertical section, and the first vertical section is used for being arranged on the annular outer side of the shield segment; the second clamping arm comprises a second vertical section and an inclined section, the second vertical section is arranged on the annular inner side of the shield segment, and the inclined section is used for being embedded into the accommodating groove of the shield segment; the shield segment clamping device comprises a shield segment, and is characterized by further comprising a clamping assembly, one end of the clamping assembly is connected with the first clamping arm and the second clamping arm, the other end of the clamping assembly is used for being connected with crane equipment, and the clamping assembly is used for driving the first clamping arm and the second clamping arm to move close to each other so as to clamp the shield segment.
2. The scissor tube sheet lifting device of claim 1, wherein: the first vertical section is used for being attached to one side of the shield segment, a first plate and a first rubber gasket are sequentially arranged on the first vertical section, and/or the second vertical section is used for being attached to one side of the shield segment, a second plate and a second rubber gasket are sequentially arranged on the second vertical section, and/or the inclined section is used for being attached to one side of the accommodating groove, and a third plate and a third rubber gasket are sequentially arranged on the inclined section; the first rubber gasket, the second rubber gasket and the third rubber gasket are all positioned on one side close to the shield segment.
3. The scissor tube sheet lifting device of claim 2, wherein: a first connecting rod is arranged on one side, far away from the first rubber gasket, of the first plate, the other end of the first connecting rod penetrates through the side wall of the first vertical section and is connected with a first limiting piece, the first connecting rod is in sliding connection with the first vertical section, and the first limiting piece is propped against the first vertical section; the first connecting rod is sleeved with a first spring piece, and two opposite ends of the first spring piece are respectively abutted against the first plate and the first vertical section.
4. The scissor tube sheet lifting device of claim 2, wherein: a second connecting rod is arranged on one side, far away from the second rubber gasket, of the second plate, the other end of the second connecting rod penetrates through the side wall of the second vertical section and is connected with a second limiting piece, the second connecting rod is in sliding connection with the second vertical section, and the second limiting piece abuts against the second vertical section; and a second spring piece is sleeved on the second connecting rod, and the opposite ends of the second spring piece are respectively propped against the second plate and the second vertical section.
5. The scissor tube sheet lifting device of claim 2, wherein: the inclined lower end of the third plate is hinged with the inclined section, and an elastic piece is arranged between the inclined upper end of the third plate and the inclined section; under the elastic action of the elastic piece, the third plate moves rotationally towards the fitting surface of the accommodating groove.
6. The scissor tube sheet lifting device of claim 2, wherein: the shield segment comprises a first vertical section and a second vertical section, wherein a concave part is arranged on one side, far away from the shield segment, of the first vertical section, and a plurality of support rods are transversely arranged in the concave part.
7. The scissor tube sheet lifting device according to any one of claims 1-6, wherein: the first clamping arm further comprises a first horizontal section, the second clamping arm further comprises a second horizontal section, one end of the first horizontal section is sleeved on the outer side of the second horizontal section, and the first horizontal section is horizontally and slidably connected with the second horizontal section; the other end of the first horizontal section is connected with the first vertical section; one end of the second horizontal section, which is far away from the first horizontal section, is connected with the second vertical section.
8. The scissor tube sheet lifting device of claim 1, wherein: the clamping assembly comprises a transmission rod group and a hoisting part, the lower end of the transmission rod group is connected with the first clamping arm and the second clamping arm, and the upper end of the transmission rod group is connected with the hoisting part; the lifting part comprises a lifting lug, and the lifting lug is used for being connected with a lifting hook piece of the crane equipment.
9. The scissors tube sheet lifting device of claim 8, wherein: the transmission rod group comprises a first rod piece and a second rod piece which are arranged in a crossing way, and the first rod piece is movably connected with the second rod piece; the lower end of the first rod piece is movably connected with the first clamping arm, and the upper end of the first rod piece is movably connected with the hoisting part through a third rod piece; the lower end of the second rod piece is movably connected with the second clamping arm, and the upper end of the second rod piece is movably connected with the hoisting part through a fourth rod piece.
10. The scissors tube sheet lifting device of claim 9, wherein: the two groups of transmission rod groups are symmetrically arranged on two opposite sides of the first clamping arm and the second clamping arm, and the two groups of transmission rod groups are connected through a third connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322544058.XU CN220926061U (en) | 2023-09-19 | 2023-09-19 | Scissor type pipe piece lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322544058.XU CN220926061U (en) | 2023-09-19 | 2023-09-19 | Scissor type pipe piece lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220926061U true CN220926061U (en) | 2024-05-10 |
Family
ID=90963953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322544058.XU Active CN220926061U (en) | 2023-09-19 | 2023-09-19 | Scissor type pipe piece lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220926061U (en) |
-
2023
- 2023-09-19 CN CN202322544058.XU patent/CN220926061U/en active Active
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