CN214879845U - Quick lower-adding-section hand-changing lifting device - Google Patents
Quick lower-adding-section hand-changing lifting device Download PDFInfo
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- CN214879845U CN214879845U CN202023335647.XU CN202023335647U CN214879845U CN 214879845 U CN214879845 U CN 214879845U CN 202023335647 U CN202023335647 U CN 202023335647U CN 214879845 U CN214879845 U CN 214879845U
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Abstract
The utility model provides a quick lower-adding-section hand-changing lifting device, which comprises a hydraulic jack, a plurality of supporting pipe sections and a tooth-shaped top plate, wherein the supporting pipe sections are sleeved outside the cylinder body of the hydraulic jack along the vertical direction, a plurality of first convex teeth are arranged on the inner wall of the supporting pipe sections along the circumferential direction, a tooth socket is formed between two adjacent first convex teeth, the tooth-shaped top plate is sleeved on the piston rod of the hydraulic jack and can rotate around the piston rod, a plurality of second convex teeth are arranged on the tooth-shaped top plate along the circumferential direction, the second convex teeth on the tooth-shaped top plate are in one-to-one correspondence with the tooth sockets on the supporting pipe sections, when the second convex teeth are aligned with the first convex teeth, the tooth-shaped top plate drives the supporting pipe sections to ascend, the load force is transmitted to the hydraulic jack, the jacking of a heavy object is realized, when the second convex teeth are meshed with the tooth sockets, the tooth-shaped top plate can pass through the tooth socket to reach the next jacking position, realize elevating gear's quick lower festival that adds, reduced safe risk and improved the operating efficiency.
Description
Technical Field
The utility model relates to a jack-up installation technical field, in particular to add festival handoff elevating gear down fast.
Background
In the field of hoisting and installation, a hydraulic jack is commonly used for jacking or descending a heavy object, but for jacking or descending at a larger height, due to the limited stroke of the hydraulic jack, the hydraulic jack can be jacked up or descended by changing hands for many times. At present, the conventional handoff method comprises an abnormal handoff and an abnormal handoff, the abnormal handoff improves the jacking height of the hydraulic jack by increasing or reducing pad piers below the hydraulic jack, meanwhile, handoff buttress piers are required to be added to support heavy objects, the requirements on the local position of a jacked structure and a supporting foundation are high, a large amount of manpower and material resources are required to be consumed, the labor intensity is high, the safety is low, and the operation efficiency is low. Although the existing homotopic exchange joint-added jacking greatly improves the problems, a temporary platform and a hoisting device need to be arranged during high-position operation, joint addition or joint reduction is difficult, operation difficulty is high, and dangerousness is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fast lower festival handoff elevating gear can greatly reduce the safety risk and alleviate operation intensity of labour, can also improve the operating efficiency and shorten the duty cycle effectively simultaneously.
In order to achieve the above object, the utility model provides a quick lower-adding-section hand-changing lifting device, which comprises a hydraulic jack, a tooth-shaped top plate and a plurality of supporting pipe sections, wherein the supporting pipe sections are sleeved outside the cylinder body of the hydraulic jack along the vertical direction, a plurality of first convex teeth are arranged on the inner wall of the supporting pipe sections along the circumferential direction, a tooth socket is formed between two adjacent first convex teeth, the tooth-shaped top plate is sleeved on the piston rod of the hydraulic jack and moves along with the piston rod, the tooth-shaped top plate can rotate around the piston rod, a plurality of second convex teeth are arranged on the tooth-shaped top plate along the circumferential direction, the second convex teeth on the tooth-shaped top plate correspond to the tooth socket on the supporting pipe sections one by one, when the second convex teeth are aligned to the first convex teeth, the tooth-shaped top plate drives the supporting pipe sections to ascend, when the second convex teeth are meshed with the tooth socket, the toothed top plate can pass through the tooth slot.
Optionally, the piston rod includes a first end and a second end, a distance from the first end to the cylinder body is greater than a distance from the second end to the cylinder body, a diameter of the first end is smaller than a diameter of the second end, and the toothed top plate is sleeved on an outer side of the first end.
Optionally, the first end is further provided with a limiting pressure plate, and the toothed top plate is located between the limiting pressure plate and the second end.
Optionally, a plurality of positioning pins are further arranged in the toothed top plate, one end of each positioning pin is located outside the toothed top plate, and the positioning pins are pushed to enable the toothed top plate to rotate around the piston rod.
Optionally, the lifting device for rapidly adding the lower section and changing hands further comprises a U-shaped push rod, a stretching hole and an observation hole are further formed in the position, corresponding to the positioning pin, of the supporting pipe section, the U-shaped push rod stretches into the supporting pipe section through the stretching hole to stir the positioning pin, and the observation hole is used for observing the position of the positioning pin and the position of the U-shaped push rod.
Optionally, the number of the supporting pipe joints is multiple, the supporting pipe joints are vertically stacked, and the first convex teeth of two adjacent supporting pipe joints are staggered.
Optionally, the supporting pipe joint is formed by enclosing two identical pipe walls, and the two pipe walls are detachably connected.
Optionally, the hydraulic jack further comprises a cylinder bottom, the diameter of the cylinder bottom is larger than that of the cylinder body, an oil inlet and an oil outlet are formed in the cylinder bottom, and an oil path communicating the oil inlet and the oil outlet is formed in the side wall of the cylinder body.
Optionally, a foundation cushion block is further arranged between the cylinder bottom and the support pipe joint.
To sum up, in the utility model provides an add festival handoff elevating gear under fast, the contact is alignd with the first dogtooth on the support tube coupling to the second dogtooth through making profile of tooth roof, directly can transmit the loading force for hydraulic jack, realizes the jacking of heavy object. When the second convex teeth are meshed with the tooth grooves, the tooth-shaped top plate can penetrate through the tooth grooves and reach the next jacking position, the quick lower joint adding of the lifting device is realized, and the jacking height of the lifting device is improved. The utility model provides a fast lower festival handoff elevating gear that adds can greatly reduce the safety risk and alleviate operation intensity of labour, can also improve the operating efficiency and shorten the operating cycle effectively simultaneously.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the invention and do not constitute any limitation to the scope of the invention. Wherein:
fig. 1 is a schematic structural view of a fast lower-section handoff lifting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hydraulic jack according to an embodiment of the present invention;
fig. 3 is a front view of a support tube segment according to an embodiment of the present invention;
fig. 4 is a top view of a support tube segment according to an embodiment of the present invention;
fig. 5 is a top view of a toothed top plate according to an embodiment of the present invention;
fig. 6 is a top view of a U-shaped push rod according to an embodiment of the present invention;
fig. 7-9 are schematic diagrams illustrating the jacking of the fast drop-off handoff lifting device according to an embodiment of the present invention.
In the drawings:
10-hydraulic jack; 20-supporting pipe joints; 21-a first support pipe section; 22-a second support pipe section; 30-a toothed top plate; 40-a foundation pad block; 50-limiting pressure plates; 60-U-shaped push rods; 70-cover plate.
100-cylinder body; 110-a piston rod; 120-cylinder bottom; 200-a first lobe; 210-gullet; 300-second lobe; 310-positioning pin.
Detailed Description
To make the objects, advantages and features of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in simplified form and are not to scale, but rather are provided for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently. It should be further understood that the terms "first," "second," "third," and the like in the description are used for distinguishing between various components, elements, steps, and the like, and are not intended to imply a logical or sequential relationship between various components, elements, steps, or the like, unless otherwise indicated or indicated.
As shown in fig. 1 to 5, this embodiment provides a lifting device capable of quickly adding a joint and changing hands, which includes a hydraulic jack 10, a plurality of supporting pipe joints 20 and a toothed top plate 30, wherein the supporting pipe joints 20 are vertically sleeved outside a cylinder body 100 of the hydraulic jack 10, a plurality of first convex teeth 200 are circumferentially arranged on an inner wall of each supporting pipe joint 20, a tooth space 210 is formed between two adjacent first convex teeth 200, the toothed top plate 30 is sleeved on a piston rod 110 of the hydraulic jack 10 and moves along with the piston rod 110, the toothed top plate 30 can rotate around the piston rod 110, a plurality of second convex teeth 300 are circumferentially arranged on the toothed top plate 30, the second convex teeth 300 on the toothed top plate 30 are in one-to-one correspondence with the tooth spaces 210 on the supporting pipe joints 20, and when the second convex teeth 300 are aligned with the first convex teeth 200, the toothed top plate 30 drives the supporting pipe joints 20 to ascend, when the second tooth 300 is engaged with the tooth groove 210, the tooth top plate 30 can pass through the tooth groove 210.
Specifically, as shown in fig. 2, the hydraulic jack 10 includes a cylinder 100 and a piston rod 110, and the piston rod 110 is driven to extend or retract to lift or lower a heavy object. In this embodiment, the hydraulic jack 10 further includes a cylinder bottom 120, a diameter of the cylinder bottom 120 is greater than a diameter of the cylinder body 100, the cylinder bottom 120 is provided with an oil inlet and an oil outlet, and a side wall of the cylinder body 100 is provided with an oil path communicating the oil inlet and the oil outlet.
With continued reference to fig. 1, a base block 40 is further disposed between the cylinder bottom 120 and the support pipe joint 20. The base cushion block 40 is used for adjusting the initial height of the supporting pipe joint 20 so as to meet the requirement that the hydraulic jack 10 is matched with the supporting pipe joint 20 for use. The thickness of the foundation pad block 40 can be adjusted according to the initial height and the stroke of the hydraulic jack 10, the height of the supporting pipe joint 20 and other parameters. In this embodiment, the upper surface of the base pad 40 is provided with a counter bore and a through hole, the base pad 40 is in threaded connection with the cylinder bottom 120 through the counter bore, and the base pad 40 is in flanged connection with the support pipe joint 20 through the through hole. Of course, the base pad 40 may be integrally formed with the cylinder bottom 120, which is not limited in this application.
In this embodiment, the piston rod 110 includes a first end and a second end, a distance from the first end to the cylinder 100 is greater than a distance from the second end to the cylinder 100, a diameter of the first end is smaller than a diameter of the second end, and the toothed top plate 30 is sleeved on an outer side of the first end. It is understood that the piston rod 110 has a step to facilitate the lifting or lowering of the toothed top plate 30.
With reference to fig. 1, a limiting pressing plate 50 is further disposed at the first end, and the tooth-shaped top plate 30 is located between the limiting pressing plate 50 and the second end. The limiting pressure plate 50 is used for limiting the vertical displacement of the toothed top plate 30, so that the toothed top plate 30 is better in stability in the jacking process, but the rotation of the toothed top plate 30 is not limited. In this embodiment, the position-limiting pressure plate 50 may be fixed to the top of the piston rod 110 by bolts.
Referring to fig. 5, a plurality of positioning pins 310 are further disposed in the toothed top plate 30, one end of each positioning pin 310 is located outside the toothed top plate 30, and the positioning pins 310 are shifted to enable the toothed top plate 30 to rotate around the piston rod 110. In this embodiment, the number of the positioning pins 310 is 6, and the 6 positioning pins 310 are uniformly distributed along the circumferential direction. Of course, the number of the positioning pins 310 may be one or more, and the application does not limit this.
Referring to fig. 6, the lifting device for rapidly adding a lower section and changing hands further includes a U-shaped push rod 60, a position of the support pipe section 20 corresponding to the positioning pin 310 is further provided with an insertion hole and an observation hole, the U-shaped push rod 60 is inserted into the support pipe section 20 through the insertion hole to shift the positioning pin 310, and the observation hole is used for observing positions of the positioning pin 310 and the U-shaped push rod 60. In this embodiment, the positioning pin 310 is installed on the lower surface of the tooth-shaped top plate 30, and the U-shaped push rod 60 can be inserted into the insertion hole and positioned by manual or screw pushing, so as to drive the idle tooth-shaped top plate 30 to rotate, and determine the accurate position thereof by the observation hole.
Optionally, the number of the supporting pipe joints 20 is multiple, the supporting pipe joints 20 are stacked vertically, and the first convex teeth 200 of two adjacent supporting pipe joints 20 are staggered with each other. The supporting pipe section 20 can be used as a supporting pad pier when the hydraulic jack 10 is lifted up or lowered down, and can also be used as a hand-changing buttress in the lifting up or lowering down process of a heavy object. It should be understood that when a heavy object needs to be lifted, the first convex teeth 200 of the supporting pipe joints 20 and the second convex teeth 300 of the toothed top plate 30 are aligned, and the second convex teeth 300 can be directly meshed with the tooth grooves 210 of the supporting pipe joints 20 located below by displacing the first convex teeth 200 of two adjacent supporting pipe joints 20 so that the hydraulic jack 10 drives the toothed top plate 30 to descend, thereby enabling the toothed top plate 30 to retract quickly without rotating the toothed top plate 30, and improving the working efficiency.
With reference to fig. 1, the number of the support tube sections 20 is 2, and the first teeth of two support tube sections 20 are offset from each other, for example by 30 °.
Referring to fig. 3 and 4, the first convex teeth 200 are located at the top of the supporting pipe joint 20 to improve the stability of the supporting pipe joint 20 during jacking. The bottom of the support pipe section 20 may be provided with a base for connection with an adjacent support pipe section 20 or a foundation pad 40.
Optionally, the supporting pipe joint 20 is formed by enclosing two identical pipe walls, and the two pipe walls are detachably connected. In this embodiment, the supporting pipe joint 20 is formed by enclosing two semi-cylindrical pipe walls, each pipe wall is provided with a first convex tooth 200, and two adjacent pipe walls can be connected through a bolt.
With continued reference to fig. 1, a cover plate 70 is further disposed on the top of the uppermost supporting pipe section 20, and the cover plate 70 is used for bearing a heavy object.
Based on this, referring to fig. 7-9 in combination with fig. 4-6, the present application further provides a method for jacking by using a fast drop-in joint-changing lifting device, including:
step S1: a toothed top plate 30 and a first supporting pipe joint 21 are installed on a hydraulic jack 10, the first supporting pipe joint 21 is vertically sleeved outside a cylinder body 100 of the hydraulic jack 10, the toothed top plate 30 is sleeved on a piston rod 110 of the jack, and the toothed top plate 30 can rotate around the piston rod 110;
step S2: positioning the toothed top plate 30 under the first spur 200 of the first support pipe joint 21 and rotating the toothed top plate 30 to align the second spur 300 on the toothed top plate 30 with the first spur 200 on the first support pipe joint 21;
step S3: driving the hydraulic jack 10 to jack, so that the tooth-shaped top plate 30 rises and drives the first support pipe joint 21 to rise to a preset height;
step S4: a second supporting pipe joint 22 is arranged below the first supporting pipe joint 21, so that the second supporting pipe joint 22 is sleeved outside the cylinder body 100 of the hydraulic jack 10;
step S5: driving the hydraulic jack 10 to retract, when the toothed top plate 30 approaches the first convex tooth 200 of the second supporting pipe joint 22, rotating the toothed top plate 30 to enable the toothed top plate 30 to be meshed with the toothed slot 210 of the second supporting pipe joint 22, and continuing to drive the hydraulic jack 10 to retract until the toothed top plate 30 passes through the toothed slot 210 of the second supporting pipe joint 22;
step S6: and rotating the toothed top plate 30 to align the second convex teeth 300 on the toothed top plate 30 with the first convex teeth 200 on the second support pipe joint 22, driving the hydraulic jack 10 to lift, so that the toothed top plate 30 rises and drives the second support pipe joint 22 and the first support pipe joint 21 to rise simultaneously.
Specifically, step S1 is executed first, the toothed top plate 30 and the first supporting pipe joint 21 are installed, and the first supporting pipe joint 21 may include one supporting pipe joint 20, or may include two or more supporting pipe joints 20, which is not limited in this application and may be determined according to the stroke of the hydraulic jack 10 and the height of the supporting pipe joint 20. In this embodiment, the first supporting pipe joint 21 includes two supporting pipe joints 20, and the first convex teeth 200 of the two supporting pipe joints 20 are installed in a staggered manner, so as to improve the working efficiency.
The toothed top plate 30 is sleeved on the piston rod 110 and located below the first convex tooth 200 of the lowermost supporting pipe joint 20, and can be limited by the limiting pressure plate 50.
Then, step S2 is executed to rotate the toothed top plate 30 to align the second teeth 300 on the toothed top plate 30 with the first teeth 200 on the first supporting pipe joint 21, so as to lift the first supporting pipe joint 21.
And step S3 is executed, the hydraulic jack 10 is driven to jack, so that the tooth-shaped top plate 30 rises and drives the first support pipe joint 21 to rise to a preset height. In this embodiment, the predetermined height should at least exceed the height of one support tube segment 20.
Next, step S4 is executed to attach the second supporting pipe joint 22, for example, one or more joints, in this embodiment, the second supporting pipe joint 22 is one joint.
Step S5 is executed, since the first supporting pipe joint 21 and the second supporting pipe joint 22 can be used as a supporting pad pier and a hand-changing buttress, the hydraulic jack 10 is driven to retract, when the toothed top plate 30 approaches the first tooth 200 of the second supporting pipe joint 22, the U-shaped push rod 60 pushes the rotary positioning pin 310 to rotate the toothed top plate 30, so that the second tooth 300 of the toothed top plate 30 is engaged with the tooth socket 210 of the second supporting pipe joint 22, the hydraulic jack 10 is driven to retract continuously, and the second tooth 300 of the toothed top plate 30 can penetrate through the tooth socket 210 of the second supporting pipe joint 22 to bottom.
Finally, step S6 is executed, the U-shaped push rod 60 pushes the rotation positioning pin 310 to align the second protruding tooth 300 of the toothed top plate 30 with the first protruding tooth 200 of the second supporting pipe joint 22, and the hydraulic jack 10 is driven to lift up, so that the toothed top plate 30 rises and drives the second supporting pipe joint 22 and the first supporting pipe joint 21 to rise simultaneously. So relapse, the accessible constantly increases the quantity of supporting tube section 20, and then constantly improves elevating gear's jacking height. By adopting the method for jacking by utilizing the rapid lower-section joint-changing lifting device, the safety risk is greatly reduced, the labor intensity of operation is reduced to the greatest extent, the operation efficiency is effectively improved, and the operation period is shortened.
Similarly, the descending method of the fast lower-joint-adding and hand-changing lifting device is opposite to the jacking method, and the descending of the heavy object is realized by continuously reducing the number of the supporting pipe joints 20, which is not described again in this application.
To sum up, in the utility model provides an add festival handoff elevating gear under fast, the first dogtooth that has the profile of tooth roof of second dogtooth through the setting on with the support tube section aligns the contact, directly can transmit load power for hydraulic jack, realizes the jacking of heavy object. When the second convex teeth are meshed with the tooth grooves, the tooth-shaped top plate can penetrate through the tooth grooves and reach the next jacking position, and the quick lower joint adding of the lifting device is realized. The utility model provides a fast lower festival handoff elevating gear that adds can greatly reduce the safety risk and alleviate operation intensity of labour, can also improve the operating efficiency and shorten the operating cycle effectively simultaneously.
It should also be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, the foregoing description is not intended to limit the invention. To anyone skilled in the art, without departing from the scope of the present invention, the technical solution disclosed above can be used to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (9)
1. A lifting device capable of quickly adding sections and changing hands is characterized by comprising a hydraulic jack, a tooth-shaped top plate and a plurality of supporting pipe sections, wherein the supporting pipe sections are vertically sleeved outside a cylinder body of the hydraulic jack, and a plurality of first convex teeth are arranged on the inner wall of the supporting pipe joint along the circumferential direction, a tooth socket is formed between every two adjacent first convex teeth, the toothed top plate is sleeved on a piston rod of the hydraulic jack and moves along with the piston rod, the toothed top plate can rotate around the piston rod, a plurality of second convex teeth are arranged on the toothed top plate along the circumferential direction, the second convex teeth on the toothed top plate correspond to the tooth grooves on the supporting pipe joints one by one, when the second convex teeth are aligned with the first convex teeth, the tooth-shaped top plate drives the supporting pipe joints to ascend, the toothed top plate is capable of passing through the tooth slot when the second lobe is engaged with the tooth slot.
2. The rapid drop-on-knuckle hand-changing lifting device as claimed in claim 1, wherein the piston rod comprises a first end and a second end, the distance from the first end to the cylinder is greater than the distance from the second end to the cylinder, the diameter of the first end is smaller than that of the second end, and the toothed top plate is sleeved on the outer side of the first end.
3. The rapid drop-off knuckle-changing lifting device as claimed in claim 2, wherein the first end is further provided with a limit pressure plate, and the toothed top plate is located between the limit pressure plate and the second end.
4. The rapid lower section-adding hand-changing lifting device as claimed in claim 1, wherein a plurality of positioning pins are further arranged in the tooth-shaped top plate, one end of each positioning pin is located outside the tooth-shaped top plate, and the positioning pins are pushed to enable the tooth-shaped top plate to rotate around the piston rod.
5. The rapid drop-off and hand-changing lifting device as claimed in claim 4, further comprising a U-shaped push rod, wherein a position of the supporting pipe section corresponding to the positioning pin is further provided with an insertion hole and an observation hole, the U-shaped push rod is inserted into the supporting pipe section through the insertion hole to shift the positioning pin, and the observation hole is used for observing positions of the positioning pin and the U-shaped push rod.
6. The rapid drop-on-pipe handoff lifting device as recited in claim 1, wherein the supporting pipe sections are plural, the plural supporting pipe sections are vertically stacked, and the first convex teeth of two adjacent supporting pipe sections are mutually displaced.
7. The rapid drop-in section-changing lifting device as claimed in claim 1 or 6, wherein the supporting pipe section is formed by enclosing two identical pipe walls, and the two pipe walls are detachably connected.
8. The lifting device for rapidly adding sections and changing hands as claimed in claim 1, wherein the hydraulic jack further comprises a cylinder bottom, the diameter of the cylinder bottom is larger than that of the cylinder body, an oil inlet and an oil outlet are formed in the cylinder bottom, and an oil path for communicating the oil inlet and the oil outlet is formed in the side wall of the cylinder body.
9. The fast drop-on and knuckle-change lifting device of claim 8, wherein a base pad is further disposed between the cylinder bottom and the support tube knuckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023335647.XU CN214879845U (en) | 2020-12-31 | 2020-12-31 | Quick lower-adding-section hand-changing lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023335647.XU CN214879845U (en) | 2020-12-31 | 2020-12-31 | Quick lower-adding-section hand-changing lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214879845U true CN214879845U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023335647.XU Active CN214879845U (en) | 2020-12-31 | 2020-12-31 | Quick lower-adding-section hand-changing lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214879845U (en) |
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2020
- 2020-12-31 CN CN202023335647.XU patent/CN214879845U/en active Active
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