CN216711343U - Lifting structure for clamping suspender - Google Patents
Lifting structure for clamping suspender Download PDFInfo
- Publication number
- CN216711343U CN216711343U CN202121495318.3U CN202121495318U CN216711343U CN 216711343 U CN216711343 U CN 216711343U CN 202121495318 U CN202121495318 U CN 202121495318U CN 216711343 U CN216711343 U CN 216711343U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- clamping sleeve
- rubber
- cutting ferrule
- central line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a suspender clamping and lifting structure, which comprises an arm rod and a rubber clamping sleeve sleeved on the arm rod, wherein the outer diameter of a rubber pulling sleeve is of a reducing structure, a supporting clamping sleeve is sleeved on the outer side of the rubber clamping sleeve, an inner hole of the supporting clamping sleeve is a reducing hole, the outer side surface of the rubber clamping sleeve is attached to the inner wall surface of the supporting clamping sleeve, a lower limiting sleeve extends outwards from the small diameter end of the rubber clamping sleeve, the outer diameter of the lower limiting sleeve is consistent with the minimum outer diameter of the rubber clamping sleeve, an upper limiting sleeve extends outwards from the large diameter end of the rubber clamping sleeve, the outer diameter of the upper limiting sleeve is consistent with the maximum outer diameter of the rubber clamping sleeve, clamping rings which are abutted against the end surface of the supporting clamping sleeve on the side of the upper limiting sleeve and the lower limiting sleeve are clamped on the upper limiting sleeve body of the lower limiting sleeve, and a plurality of lifting supporting blocks are fixedly connected to the sleeve body of the supporting clamping sleeve at equal intervals in the direction of the central line. The utility model increases the stress area of the rubber cutting sleeve, the elastic deformation range of the rubber cutting sleeve is larger, and the clamping effect of the arm lever is better.
Description
Technical Field
The utility model relates to a clamping and fixing structure, in particular to a suspender clamping and lifting structure.
Background
In the construction of a waste incineration electric construction project, waste heat boiler steel frames are basically vertically arranged, a steam drum is supported by U-shaped suspenders at two ends, the self weight of the steam drum is suspended on a top plate hanging beam, and the steam drum and the U-shaped suspenders are required to be synchronously lifted when the steam drum is hung. The U-shaped suspender of the conventional hoisting method is forcibly and rigidly fixed on the steam drum by measures such as a steel wire rope, a hoist and the like, the suspender is difficult to fix, the measures are time-consuming and labor-consuming to disassemble and assemble, and great potential safety hazards exist.
In order to solve the technical problems, the inventor invents a hoisting structure of a suspended steam pocket of a waste heat boiler, which comprises a steam pocket, wherein U-shaped hanging rods are respectively arranged at positions close to two ends of the steam pocket, the steam pocket is arranged at the inner bottom of the U-shaped hanging rods, a lifting cross rod is arranged between the two arm rods of the U-shaped hanging rods, the lifting cross rod extends along the opposite direction of the two arm rods in the U-shaped hanging rods, the lifting cross rod is abutted against the top of the steam pocket, the two ends of the lifting cross rod are respectively provided with a lifting through hole, the central lines of the two lifting through holes are arranged in parallel and are vertical to the central line of the lifting cross rod, the two arm rods of the U-shaped hanging rods respectively penetrate through the corresponding lifting through holes, a rubber clamping sleeve is sleeved at a position above the lifting through hole on the arm rods of the U-shaped hanging rods, the rubber clamping sleeve is in clearance fit with the arm rods of the U-shaped hanging rods, the outer diameter of the rubber clamping sleeve is gradually increased from one end towards the lifting cross rod to one end far away from the lifting cross rod along the central line direction of the rubber clamping sleeve, the diameter of the lifting through hole is larger than the outer diameter of the small-diameter end of the rubber clamping sleeve and smaller than the outer diameter of the large-diameter end of the rubber clamping sleeve. But when using, the cover body card of rubber cutting ferrule promotes perforation department, and only promote fenestrate upper end drill way edge and extrude the rubber cutting ferrule, area of contact is little, and the rubber cutting ferrule is also weaker to the clamp of U type jib so.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the technical problems to be solved by the utility model are as follows: how to provide a jib that can increase the extrusion area to rubber cutting ferrule cover body presss from both sides tight hoisting structure.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a suspender clamping and lifting structure comprises an arm rod and a rubber clamping sleeve sleeved on the arm rod, wherein the outer diameter of the rubber clamping sleeve is gradually increased from one end to the other end along the central line direction of the arm rod, a supporting clamping sleeve is sleeved outside the rubber clamping sleeve, an inner hole of the supporting clamping sleeve is a reducing hole, the outer side surface of the rubber clamping sleeve is attached to the inner wall surface of the supporting clamping sleeve, the end surfaces of the two ends of the rubber clamping sleeve are respectively flush with the end surface of the supporting clamping sleeve on the side where the rubber clamping sleeve is located, a lower limiting sleeve extends outwards along the central line direction of the rubber clamping sleeve from the small-diameter end of the rubber clamping sleeve, the outer diameter of the lower limiting sleeve is consistent with the minimum outer diameter of the rubber clamping sleeve, an upper limiting sleeve extends outwards along the central line direction of the rubber clamping sleeve, the outer diameter of the upper limiting sleeve is consistent with the maximum outer diameter of the rubber clamping sleeve, and a clamping ring which is abutted to the end surface of the supporting clamping sleeve on the side where the upper limiting sleeve and the lower limiting sleeve are located is clamped on the upper limiting sleeve body and the lower limiting sleeve body, a plurality of lifting support blocks are fixedly connected on the sleeve body of the support cutting sleeve at uniform intervals along the direction of the central line of the sleeve body.
According to the utility model, the supporting clamping sleeve is sleeved on the rubber clamping sleeve, the inner wall surface of the supporting clamping sleeve is attached to the outer side surface of the rubber clamping sleeve, when the lifting support block is used, the lifting support block is abutted to the lifting cross rod, the gravity of the arm rod is downward, the acting force of the supporting clamping sleeve is upward, the whole inner wall surface of the supporting clamping sleeve can extrude the rubber clamping sleeve, the stress area is larger, the elastic deformation range of the rubber clamping sleeve is larger, and the clamping effect on the arm rod is better.
Preferably, the inner diameter of the upper limit sleeve is larger than that of the rubber clamping sleeve, one end of the upper limit sleeve, which is far away from the rubber clamping sleeve, is provided with a pre-tightening clamping sleeve which is concentric with the upper limit sleeve, the pre-tightening clamping sleeve is sleeved on the arm rod of the U-shaped suspender, the inner diameter of the pre-tightening clamping sleeve is consistent with that of the rubber clamping sleeve, the outer diameter of the pre-tightening clamping sleeve is gradually increased from one end, which faces the upper limit sleeve, to one end, which is far away from the upper limit sleeve, along the direction of the central line of the pre-tightening clamping sleeve, the inner diameter of the upper limit sleeve is larger than the outer diameter of the small diameter end of the pre-tightening clamping sleeve and smaller than the outer diameter of the large diameter end of the pre-tightening clamping sleeve, the small diameter end of the pre-tightening clamping sleeve extends into the inner hole of the upper limit sleeve, the inner wall surface and the outer side surface of the pre-tightening clamping sleeve respectively abut against the arm rod of the U-shaped suspender and the upper limiting sleeve so as to fix the rubber clamping sleeve on the arm rod of the U-shaped suspender. Because promote the horizontal pole and provide ascending effort, because again because be clearance fit between rubber cutting ferrule and the U type jib, if not fixing in advance for the rubber cutting ferrule, then the rubber cutting ferrule just is easily promoted the horizontal pole and upwards pushes away, and the rubber cutting ferrule just can not sticis to fix on U type jib. In the utility model, the small-diameter end of the fastening clamping sleeve is inserted into the inner hole of the upper limiting sleeve, and the fastening clamping sleeve can respectively abut against the upper limiting sleeve and the U-shaped suspender along with the gradual increase of the diameter of the pre-tightening clamping sleeve, so that the rubber clamping sleeve is pre-fixed, and the rubber clamping sleeve is extruded when the lifting cross rod moves upwards and does not move.
Preferably, the pre-tightening cutting sleeve is formed by folding two half sleeve bodies, two abutting side edges on the two half sleeve bodies are respectively and correspondingly provided with a positioning insertion hole and a positioning insertion block, and when the two half sleeve bodies are folded together, the positioning insertion block is inserted into the corresponding positioning insertion hole and can be in sliding fit with the positioning insertion hole along the central line direction of the positioning insertion hole. The two half sleeve bodies can be directly folded and sleeved on the U-shaped suspender, the positioning insertion holes and the positioning insertion holes are convenient to position to form the pre-tightening clamping sleeve, and the installation and the use are more convenient.
Preferably, at least two connecting screws are uniformly arranged on the end face of the large-diameter end of the pre-tightening clamping sleeve at intervals in the direction around the central line of the pre-tightening clamping sleeve, the central line of each connecting screw is parallel to the central line of the pre-tightening clamping sleeve, one end, facing the pre-tightening clamping sleeve, of each connecting screw is in threaded connection with the pre-tightening clamping sleeve, one end, far away from the pre-tightening clamping sleeve, of each connecting screw is fixedly connected with a circular pull ring, the central line of each circular pull ring is perpendicular to the central line of each connecting screw, and the central point of each circular pull ring is located on the central line extension line of each connecting screw. When the clamping sleeve is dismounted, an operator can pull the circular pull ring by hand to lift the pre-tightening clamping sleeve upwards conveniently.
Preferably, a plurality of air guide grooves are uniformly arranged on the inner wall surface of the pre-tightening clamping sleeve at intervals in the direction around the central line of the pre-tightening clamping sleeve, the air guide grooves extend in the direction parallel to the central line of the pre-tightening clamping sleeve, and the air guide grooves are through grooves. When the pre-tightening clamping sleeve is inserted, air in an inner hole of the upper limiting sleeve is conveniently removed, the pre-tightening clamping sleeve is conveniently inserted deeper, and the pre-tightening clamping sleeve is fixed more tightly.
In conclusion, the utility model has the beneficial effects that: the utility model increases the stress area of the rubber cutting sleeve, the elastic deformation range of the rubber cutting sleeve is larger, and the clamping effect of the arm lever is better.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a synchronous lifting steam pocket and a U-shaped hanger rod in a lifting structure of a suspended steam pocket of a waste heat boiler.
Detailed Description
The utility model is further explained in detail by the hanging structure of the waste heat boiler suspended steam pocket with the structure of the utility model in the following with the attached drawings.
As shown in fig. 1, hoisting structure of exhaust-heat boiler suspension type steam pocket in this embodiment, including steam pocket 2, the position that is close to 2 both ends of steam pocket is provided with U type jib 3 respectively, steam pocket 2 is arranged in on U type jib 3's interior bottom, be provided with between two armed levers of U type jib 3 and promote horizontal pole 1, it extends along two armed lever relative direction in U type jib 3 to promote horizontal pole 1, promote horizontal pole 1 butt at the top of steam pocket 2, promote the both ends of horizontal pole 1 and seted up respectively and promote the perforation, two promote the perforated central lines for parallel arrangement and perpendicular with the central line that promotes horizontal pole 1, two armed levers of U type jib 3 pass respectively and promote the perforation too corresponding, the position cover that just is located on promoting the perforation on the armed lever of U type jib 3 is equipped with rubber cutting ferrule, rubber cutting ferrule and U type jib cutting ferrule 2's armed lever clearance fit, the external diameter of rubber is along its central line direction by the one end that promotes horizontal pole 1 to keeping away from and promoting horizontal pole one end of horizontal pole 1 gradually And the diameter of the lifting through hole is larger than the outer diameter of the small diameter end of the rubber clamping sleeve and smaller than the outer diameter of the large diameter end of the rubber clamping sleeve.
In the specific embodiment, the outer side of the rubber cutting sleeve is sleeved with a supporting cutting sleeve 4, the inner hole of the supporting cutting sleeve 4 is a reducing hole, the outer side surface of the rubber cutting sleeve is attached to the inner wall surface of the supporting cutting sleeve 4, the end surfaces of the two ends of the rubber cutting sleeve are respectively flush with the end surfaces of the supporting cutting sleeve 4 on the side where the rubber cutting sleeve is located, the small diameter end of the rubber cutting sleeve extends outwards along the central line direction of the rubber cutting sleeve 4 to form a lower limiting sleeve, the outer diameter of the lower limiting sleeve is consistent with the minimum outer diameter of the rubber cutting sleeve, the large diameter end of the rubber cutting sleeve extends outwards along the central line direction of the rubber cutting sleeve to form an upper limiting sleeve 6, the outer diameter of the upper limiting sleeve 6 is consistent with the maximum outer diameter of the rubber cutting sleeve, the upper limiting sleeve 6 and the lower limiting sleeve are provided with clamping rings which are abutted against the end surfaces of the supporting cutting sleeve 4 on the side where the upper limiting sleeve and the lower limiting sleeve are clamped, the sleeve body of the supporting cutting sleeve 4 is fixedly connected with a plurality of lifting supporting blocks 7 at uniform intervals along the central line direction, the sum of the distance from one end of the lifting support block 7 far away from the support ferrule 4 to the support ferrule 4 and the outer diameter of the support ferrule 4 is larger than the maximum width dimension of the cross section of the lifting through hole.
In the specific embodiment, the inner diameter of the upper limit sleeve 6 is larger than that of the rubber cutting sleeve, a pre-tightening cutting sleeve 8 which is concentric with the upper limiting sleeve 6 is arranged at one end of the upper limiting sleeve 6 far away from the rubber cutting sleeve, the pre-tightening cutting sleeve 8 is sleeved on an arm rod of the U-shaped suspender 3, the inner diameter of the pre-tightening cutting sleeve 8 is consistent with the inner diameter of the rubber cutting sleeve, the outer diameter of the pre-tightening cutting sleeve 8 is gradually increased from one end facing the upper limiting sleeve 6 to one end far away from the upper limiting sleeve 6 along the direction of the central line, the inner diameter of the upper limit sleeve 6 is larger than the outer diameter of the small-diameter end of the pre-tightening clamping sleeve 8 and smaller than the outer diameter of the large-diameter end of the pre-tightening clamping sleeve 8, the small-diameter end of the pre-tightening clamping sleeve 8 extends into the inner hole of the upper limit sleeve 6, the inner wall surface and the outer side surface of the pre-tightening clamping sleeve 8 are respectively abutted against the arm rod of the U-shaped suspender 3 and the upper limiting sleeve 6 so as to fix the rubber clamping sleeve on the arm rod of the U-shaped suspender 3.
In this embodiment, the pre-tightening sleeve 8 is formed by folding two half-sleeves, two abutting sides of the two half-sleeves are respectively and correspondingly provided with a positioning insertion hole and a positioning insertion block, and when the two half-sleeves are folded together, the positioning insertion block is inserted into the corresponding positioning insertion hole and can be in sliding fit with the positioning insertion hole along the direction of the center line of the positioning insertion hole.
In this specific embodiment, at least two connection screws are uniformly arranged on the end face of the large-diameter end of the pre-tightening clamping sleeve 8 at intervals in the direction of the center line of the pre-tightening clamping sleeve 8, the center line of each connection screw is parallel to the center line of the pre-tightening clamping sleeve 8, one end of each connection screw, facing the pre-tightening clamping sleeve 8, is in threaded connection with the pre-tightening clamping sleeve 8, one end of each connection screw, far away from the pre-tightening clamping sleeve 8, is fixedly connected with a circular pull ring 5, the center line of each circular pull ring 5 is perpendicular to the center line of each connection screw, and the center point of each circular pull ring 5 is located on the extension line of the center line of each connection screw.
In this specific embodiment, a plurality of air guide grooves are uniformly arranged on the inner wall surface of the pre-tightening sleeve 8 at intervals along the central line direction of the pre-tightening sleeve 8, the air guide grooves extend along a direction parallel to the central line direction of the pre-tightening sleeve 8, and the air guide grooves are through grooves.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that, while the utility model has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a jib presss from both sides tight hoisting structure, includes that armed lever and cover establish the rubber cutting ferrule on the armed lever, the external diameter of rubber cutting ferrule is crescent by its one end to the other end along its central line direction, its characterized in that: the outside cover of rubber cutting ferrule is equipped with the support cutting ferrule, the hole that supports the cutting ferrule is the lateral surface laminating of reducing bore and rubber cutting ferrule on the internal face that supports the cutting ferrule, the both ends terminal surface of rubber cutting ferrule flushes rather than the terminal surface of the support cutting ferrule of place side respectively, the little diameter end of rubber cutting ferrule has lower stop collar along the outside extension of rubber cutting ferrule central line direction, the external diameter of lower stop collar is unanimous with the minimum external diameter of rubber cutting ferrule, the big diameter end of rubber cutting ferrule has last stop collar along the outside extension of rubber cutting ferrule central line direction, the external diameter of last stop collar is unanimous with the maximum external diameter of rubber cutting ferrule, go up the stop collar cover body and lower stop collar cover body card on one's body and be equipped with the screens ring of butt on the support cutting ferrule terminal surface of its place side, the cover body that supports the cutting ferrule is around the even interval fixedly connected with a plurality of promotion supporting shoe of central line direction.
2. The boom clamp hoist structure of claim 1, wherein: the inner diameter of the upper limiting sleeve is larger than that of the rubber clamping sleeve, one end, far away from the rubber clamping sleeve, of the upper limiting sleeve is provided with a pre-tightening clamping sleeve which is concentric with the upper limiting sleeve, the pre-tightening clamping sleeve is sleeved on the armed lever, the inner diameter of the pre-tightening clamping sleeve is consistent with that of the rubber clamping sleeve, the outer diameter of the pre-tightening clamping sleeve is gradually increased from one end, far away from one end of the upper limiting sleeve, of the upper limiting sleeve along the direction of the central line of the pre-tightening clamping sleeve, the inner diameter of the upper limiting sleeve is larger than that of the small-diameter end of the pre-tightening clamping sleeve and smaller than that of the large-diameter end of the pre-tightening clamping sleeve, the small-diameter end of the pre-tightening clamping sleeve extends into the inner hole of the upper limiting sleeve, and the inner wall face and the outer side face of the pre-tightening clamping sleeve are respectively abutted against the armed lever and the upper limiting sleeve so as to fix the rubber clamping sleeve on the armed lever.
3. The boom clamp hoist structure of claim 2, wherein: the pre-tightening clamping sleeve is formed by folding two half sleeve bodies, two side edges which are abutted against each other on the two half sleeve bodies are correspondingly provided with a positioning insertion hole and a positioning insertion block respectively, and when the two half sleeve bodies are folded together, the positioning insertion block is inserted into the corresponding positioning insertion hole and can be in sliding fit with the positioning insertion hole along the central line direction of the positioning insertion hole.
4. The boom clamp hoist structure of claim 2, wherein: the end face of the large-diameter end of the pre-tightening clamping sleeve is provided with at least two connecting screws at intervals in the direction of the central line of the pre-tightening clamping sleeve, the central line of each connecting screw is parallel to the central line of the pre-tightening clamping sleeve, one end, facing the pre-tightening clamping sleeve, of each connecting screw is in threaded connection with the pre-tightening clamping sleeve, one end, far away from the pre-tightening clamping sleeve, of each connecting screw is fixedly connected with a circular pull ring, the central line of each circular pull ring is perpendicular to the central line of each connecting screw, and the central point of each circular pull ring is located on the central line extension line of each connecting screw.
5. The boom clamp hoist structure of claim 2, wherein: the inner wall surface of the pre-tightening clamping sleeve is provided with a plurality of air guide grooves at intervals uniformly around the central line direction of the pre-tightening clamping sleeve, the air guide grooves extend along the direction parallel to the central line direction of the pre-tightening clamping sleeve, and the air guide grooves are through grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121495318.3U CN216711343U (en) | 2021-07-02 | 2021-07-02 | Lifting structure for clamping suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121495318.3U CN216711343U (en) | 2021-07-02 | 2021-07-02 | Lifting structure for clamping suspender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216711343U true CN216711343U (en) | 2022-06-10 |
Family
ID=81871478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121495318.3U Active CN216711343U (en) | 2021-07-02 | 2021-07-02 | Lifting structure for clamping suspender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216711343U (en) |
-
2021
- 2021-07-02 CN CN202121495318.3U patent/CN216711343U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210105268U (en) | Hanging basket hanging mechanism for steel structure oblique beam | |
| CN111362118A (en) | Tool for vertically hoisting and installing pipeline and hoisting method thereof | |
| CN216711343U (en) | Lifting structure for clamping suspender | |
| CN214948955U (en) | Hoisting structure of waste heat boiler suspension type steam pocket | |
| CN216504702U (en) | Pre-clamping structure of rubber clamping sleeve for arm lever | |
| CN204675726U (en) | Purlin lifting auxiliary device | |
| CN209702096U (en) | A kind of means for correcting when hanging column installation | |
| CN113418181B (en) | Synchronous hoisting structure of suspension type steam drum and suspender | |
| CN113353787B (en) | Hoisting method of waste heat boiler suspension type steam pocket | |
| CN209988990U (en) | Hoist and mount frame convenient to installation is dismantled | |
| CN210342619U (en) | Connecting piece of integral lifting scaffold | |
| CN218667160U (en) | Telescopic mould hanging bracket | |
| CN111217274A (en) | A hang in midair hoist that is used for assembled buckling restrained steel plate wall quick, high-efficient assembly | |
| CN205973671U (en) | Hanging flower basket linkage | |
| CN215331343U (en) | Special safety working frame for wallboard installation | |
| CN206903180U (en) | Upper suspension centre supporting structure | |
| CN213294500U (en) | Novel electric hoist | |
| CN213460963U (en) | Double pin piping lane trailing arm | |
| CN214090914U (en) | Hanging bracket for hanging basket | |
| CN216586191U (en) | Precast beam steel strand wires installation device | |
| CN209957204U (en) | Mantle fiber hanging bar for hoisting pile foundation steel reinforcement cage | |
| CN214575843U (en) | Auxiliary plate mounting device | |
| CN218909585U (en) | Lifting appliance for wallboard installation | |
| CN214506382U (en) | Pipeline construction lifting device | |
| CN217714891U (en) | Boiler hanging and fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |