CN218538823U

CN218538823U - Supporting structure and assembly for supporting circular plate

Info

Publication number: CN218538823U
Application number: CN202222950785.1U
Authority: CN
Inventors: 忻红波; 郭潇潇
Original assignee: Zhenhai Petrochemical Construction And Installation Engineering Co ltd
Current assignee: Zhenhai Petrochemical Construction And Installation Engineering Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-02-28
Anticipated expiration: 2032-11-03

Abstract

A support structure for supporting a circular slab, comprising: the outer ring is sleeved on the periphery of the inner ring and arranged concentrically with the inner ring, and an annular gap is formed between the outer ring and the inner ring; the plurality of screw rods are arranged in the annular gap at intervals along the circumferential direction, each screw rod extends along the radial direction of the annular gap, and two ends of each screw rod are respectively in threaded connection with the corresponding inner ring and the corresponding outer ring; a plurality of extensible members set up in the internal perisporium of above-mentioned inner ring along circumference interval, each extensible member all has the internal perisporium of relative inner ring and radially inwards extends, and the telescopic link that can radially stretch out and draw back and move, prescribe a limit to the space that supplies circular sheet material restraint wherein between the interior tip of the telescopic link of a plurality of extensible members jointly, and the interior tip of each telescopic link is used for with the side periphery wall butt of circular sheet material. The application also discloses a combined piece with the support structure. Compared with the prior art, the risk of circular sheet material damage can be reduced to this application.

Description

Supporting structure and assembly for supporting circular plate

Technical Field

The utility model belongs to the technical field of the heat exchanger, concretely relates to a bearing structure and sub-assembly for supporting circular sheet material.

Background

At present, a method for winding a heat exchange tube on a core body by core body rotation is commonly adopted for manufacturing the core body of a tube-wound heat exchanger, for example, a tube-wound machine disclosed in the invention patent of patent number ZL201410663041.9 (with the publication number CN 104444563A) comprises a riding wheel for bearing the tube to be wound, a tube feeding device and a tube releasing device, wherein the tube feeding device sequentially comprises a tube feeding base, a lifting mechanism, a fine adjustment mechanism, a supporting seat, a radial adjustment mechanism and the riding wheel from bottom to top; the pipe disassembling device comprises a pipe disassembling base, a chassis is arranged on the pipe disassembling base, a support is arranged on the chassis, and an axial clamping mechanism, a radial clamping mechanism, a telescopic sleeve, an anti-shrinkage mechanism, sensors and a control system are arranged on a turntable on the support. This patent can trail in real time and advance a tub position, adjusts and send tub height, send tub angle and send tub speed, has guaranteed around tub quality.

With the large-scale of the pipe-winding type heat exchanger, the existing pipe-winding machine has the following technical problems to be solved: when the tube is wound, the central tube is supported on the supporting seat through the circular tube plates at two ends of the central tube, and the circular tube plates are contacted with the supporting seat and can rotate relative to the supporting seat. With the progress of the pipe winding operation, the problems of cold work hardening, damage, pollution and the like of the material surface of the circular pipe plate can occur, so that the subsequent use of the circular pipe plate is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a technical problem that will solve is the current situation to prior art, provides a bearing structure for supporting circular sheet material to reduce the risk that circular sheet material damaged.

The second technical problem to be solved by the present invention is to provide a combination piece with the above-mentioned supporting structure.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a bearing structure for supporting circular sheet material which characterized in that including:

an inner circular ring;

the outer ring with the diameter larger than that of the inner ring is sleeved on the periphery of the inner ring and arranged concentrically with the inner ring, and the inner peripheral wall of the outer ring is opposite to the outer peripheral wall of the inner ring at intervals to form an annular gap;

the plurality of screw rods are arranged in the annular gap at intervals along the circumferential direction, each screw rod extends along the radial direction of the annular gap, and two ends of each screw rod are respectively in threaded connection with the corresponding inner ring and the corresponding outer ring;

the telescopic pieces are arranged on the inner peripheral wall of the inner circular ring at intervals along the circumferential direction, each telescopic piece is provided with a telescopic rod which radially and inwards extends relative to the inner peripheral wall of the inner circular ring and can radially and telescopically move, a space for restraining the circular plate is defined between the inner end parts of the telescopic rods of the telescopic pieces, and the inner end parts of the telescopic rods are used for being abutted against the side peripheral wall of the circular plate.

Preferably, the two ends of each screw rod have first external screw thread, the second external screw thread that the spiral direction is opposite respectively, the periphery wall of interior ring is equipped with the first screw hole with first external screw thread assorted, the internal perisporium of excircle ring is equipped with the second screw hole with second external screw thread assorted.

In order to improve the structural stability, preferably, the number of the screw rods is the same as that of the telescopic pieces, and the screw rods and the telescopic pieces are sequentially and alternately arranged in the circumferential direction. Therefore, the alternately arranged screw rods and the telescopic pieces can improve the stability of the structure after the circular plate is installed on the supporting structure, and the deformation risk of the supporting structure is reduced.

In each of the above aspects, preferably, the telescopic member includes a hydraulic cylinder, a pneumatic cylinder or an electric cylinder having a cylinder body constrained to the inner circumferential wall of the inner ring and a piston rod constituting at least a part of the telescopic member.

In order to achieve large-amplitude diameter-variable adjustment and be suitable for circular plates of different sizes, preferably, the telescopic part further comprises an auxiliary rod extending along the radial direction of the inner ring, the first end of the auxiliary rod is relatively far away from the center of the inner ring and is constrained with the end part of the piston rod in a detachable mode, the second end of the auxiliary rod is a free end relatively close to the center of the inner ring, the auxiliary rod and the piston rod jointly form a telescopic rod of the telescopic part, and the free end of the auxiliary rod is the inner end part of the telescopic rod. Therefore, when the size of the supporting structure is larger and the size of the circular plate is smaller, the adjustment can be realized through the telescopic movement of the auxiliary rod and the piston rod; when the size of the supporting structure is slightly larger than that of the circular plate, the auxiliary rod can be detached and adjusted directly through the telescopic movement of the piston rod.

Preferably, the free end of the auxiliary rod is connected with an abutment plate having an abutment face for opposing the side peripheral wall of the circular panel.

Further, the butt joint face is the arcwall face that can be with the relative laminating of the side wall of circular sheet material. So, butt joint board can retrain circular sheet material better.

In the above aspect, preferably, the inner circumferential wall of the inner ring is provided with a third threaded hole, and the cylinder body is provided with a stud which extends along the radial direction of the inner ring and can be in threaded connection with the third threaded hole, so that the cylinder body is restrained on the inner circumferential wall of the inner ring in a detachable manner.

Preferably, the first end of the auxiliary rod is provided with a radially extending jack, the end of the piston rod is inserted into the jack, the side wall of the first end of the auxiliary rod is provided with a fourth threaded hole communicated with the jack, and the screw penetrates through the fourth threaded hole and abuts against the side wall of the piston rod.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides an assembly, is including circular sheet material, base, two roller along the first direction interval arrangement of horizontally on the base, and each roller can rotate along the axis of horizontally, the second direction that is perpendicular with first direction extends, its characterized in that: the supporting structure is integrally and vertically arranged, the circular plate is vertically arranged in the space defined by the telescopic pieces, the side peripheral wall of the circular plate is abutted against the inner end parts of the telescopic rods of the telescopic pieces, and the outer circular ring is supported on the two roll shafts.

Compared with the prior art, the utility model has the advantages of: the supporting structure is designed to be provided with the inner circular ring, the outer circular ring, the plurality of screws and the plurality of telescopic parts, when the supporting structure is used, the circular plate can be restrained in a space defined by the plurality of telescopic parts together, the outer circular ring is supported on the roller shaft, and the rotation of the circular plate is realized through the rotation of the outer circular ring, so that the circular plate is not in contact with the roller shaft, and the condition that the surface of the circular plate is subjected to cold hardening or mechanical damage due to cyclic reciprocating operation is avoided; and the setting of extensible member can be applicable to the circular sheet material of unidimensional in this application to improve bearing structure's commonality.

Drawings

Fig. 1 is a schematic structural view of a support structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the telescopic member in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the assembly according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 3, in order to provide a preferred embodiment of the supporting structure and assembly for supporting circular plate material of the present invention, the supporting structure includes an inner ring 1, an outer ring 2 with a diameter larger than that of the inner ring, a plurality of screws 3 and a plurality of expansion pieces 4.

The outer ring 2 is sleeved on the periphery of the inner ring 1 and arranged concentrically with the inner ring 1, and the inner peripheral wall of the outer ring 2 and the outer peripheral wall of the inner ring 1 are opposite at intervals to form an annular gap 10.

The plurality of screws 3 are arranged in the annular gap 10 at equal intervals along the circumferential direction, each screw 3 extends along the radial direction of the annular gap 10, and two ends of each screw 3 are respectively in threaded connection with the corresponding inner ring 1 and the corresponding outer ring 2. In this embodiment, two ends of each screw rod 3 are respectively provided with a first external thread and a second external thread which are opposite in spiral direction, the outer peripheral wall of the inner circular ring 1 is provided with a first threaded hole 11 matched with the first external thread, and the inner peripheral wall of the outer circular ring 2 is provided with a second threaded hole 21 matched with the second external thread.

The plurality of telescopic pieces 4 are arranged on the inner peripheral wall of the inner circular ring 1 at equal intervals along the circumferential direction, each telescopic piece 4 is provided with a telescopic rod 40 which radially extends inwards relative to the inner peripheral wall of the inner circular ring 1 and can radially extend and retract, a space 400 for restraining the circular plate 5 therein is jointly defined between the inner end parts of the telescopic rods 40 of the plurality of telescopic pieces 4, and the inner end part of each telescopic rod 40 is used for being abutted against the side peripheral wall of the circular plate 5. In this embodiment, the number of the expansion pieces 4 is the same as that of the screws 3, and the expansion pieces 4 and the screws 3 are arranged alternately in the circumferential direction (i.e., the expansion pieces 4, the screws 3, the other expansion pieces 4, and the other screws 3 are arranged in the circumferential direction).

Meanwhile, the expansion member 4 of the present embodiment includes a hydraulic cylinder, a pneumatic cylinder, or an electric cylinder having a cylinder body 4a and a piston rod 4b, the cylinder body 4a being detachably constrained to the inner circumferential wall of the inner ring 1, specifically: the inner circumferential wall of the inner ring 1 is provided with a third threaded hole 12, and the cylinder body 4a is provided with a stud 42 which extends along the radial direction of the inner ring 1 and can be in threaded connection with the third threaded hole 12. In this manner, the cylinder block 4a can be attached and detached by rotating the stud 42.

The extensible member 4 of this embodiment further includes an auxiliary rod 4c extending along the radial direction of the inner ring 1, a first end of the auxiliary rod is relatively far away from the center of the inner ring 1 and is constrained with the end of the piston rod 4b, a second end of the auxiliary rod is a free end relatively close to the center of the inner ring 1, the auxiliary rod 4c and the piston rod 4b together form an extensible rod 40 of the extensible member 4, and the free end of the auxiliary rod 4c is an inner end of the extensible rod 40. Meanwhile, the free end of the auxiliary rod 4c is connected with an abutment plate 41, and the abutment plate 41 has an abutment face 411 for opposing the side peripheral wall of the circular sheet 5. The abutting surface 411 may be a plane or an arc surface that is attached to the side peripheral wall of the circular plate 5.

Meanwhile, as shown in fig. 2, the first end of the auxiliary rod 4c and the end of the piston rod 4b are detachably constrained together in the present embodiment, specifically as follows:

the first end of the auxiliary rod 4c is provided with a radially extending insertion hole 43, the end of the piston rod 4b is inserted into the insertion hole 43, a fourth threaded hole 44 communicated with the insertion hole is formed in the side wall of the first end of the auxiliary rod 4c, and the screw 6 penetrates through the fourth threaded hole 44 and abuts against the side wall of the piston rod 4 b. Thus, the auxiliary rod and the piston rod can be connected or disconnected by screwing or unscrewing the screw 6.

In the present embodiment, the free end of the auxiliary rod 4c and the abutment plate 41 are also constrained by being inserted into each other, so that the auxiliary rod 4c and the abutment plate 41 can be separated from each other.

As shown in fig. 3, the assembly of this embodiment includes a circular plate 5, a base 7, two roll shafts 8 and the above-mentioned supporting structure, wherein, there are two roll shafts 8, the roll shafts 8 are arranged on the base at intervals along a horizontal first direction, and each roll shaft 8 can rotate along a horizontal axis extending along a second direction perpendicular to the first direction, the supporting structure is vertically arranged as a whole and supported on the two roll shafts 8 through an outer ring 2, the circular plate 5 is vertically arranged in the above-mentioned space 400 defined by the multiple expansion pieces 4, and the side peripheral wall of the circular plate 5 abuts against the inner end of the expansion link 40 of each expansion piece 4.

In the embodiment, the inner ring 1, the outer ring 2 and the screw 3 with proper sizes can be selected according to the size of the circular plate 5 for assembly, and fine adjustment is performed by rotating the screw 3, so that the concentricity of the inner ring 1 and the outer ring 2 can be ensured.

The size of the space 400 can be greatly adjusted by mounting or dismounting the auxiliary rod 4c, and the size of the space 400 can be adjusted in a small range by telescopic movement of the piston rod 4b, so that the auxiliary rod can be suitable for circular plates 5 with different sizes.

In addition, in this embodiment, the cylinder 4a and the piston rod 4b are matched to stably constrain the circular plate, so as to ensure the use safety. Each piston rod 4b can be independently extended and retracted and also can be synchronously extended and retracted, and the synchronous extension and retraction can be controlled by an existing controller.

Claims

1. The utility model provides a bearing structure for supporting circular sheet material which characterized in that is including:

an inner ring (1);

the outer circular ring (2) with the diameter larger than that of the inner circular ring (1) is sleeved on the periphery of the inner circular ring (1) and arranged concentrically with the inner circular ring (1), and the inner peripheral wall of the outer circular ring (2) is opposite to the outer peripheral wall of the inner circular ring (1) at intervals to form an annular gap (10);

the plurality of screw rods (3) are arranged in the annular gap (10) at intervals along the circumferential direction, each screw rod (3) extends along the radial direction of the annular gap (10), and two ends of each screw rod (3) are respectively in threaded connection with the corresponding inner circular ring (1) and the corresponding outer circular ring (2);

the telescopic pieces (4) are arranged on the inner circumferential wall of the inner circular ring (1) at intervals along the circumferential direction, each telescopic piece (4) is provided with a telescopic rod (40) which radially extends inwards relative to the inner circumferential wall of the inner circular ring (1) and can radially extend and retract, a space (400) for restraining the circular plate (5) is defined between the inner end parts of the telescopic rods (40) of the telescopic pieces (4), and the inner end parts of the telescopic rods (40) are used for being abutted against the side circumferential wall of the circular plate (5).

2. The support structure of claim 1, wherein: the two ends of each screw rod (3) have first external screw thread, the second external screw thread that the screw direction is opposite respectively, the periphery wall of interior ring (1) be equipped with first external screw thread assorted first screw hole (11), the internal perisporium of outer ring (2) be equipped with second external screw thread assorted second screw hole (21).

3. The support structure of claim 1, wherein: the number of the screw rods (3) is consistent with that of the telescopic pieces (4), and the screw rods (3) and the telescopic pieces (4) are sequentially and alternately arranged in the circumferential direction.

4. The support structure of any one of claims 1 to 3, wherein: the telescopic member (4) comprises a hydraulic cylinder, a pneumatic cylinder or an electric cylinder with a cylinder body (4 a) and a piston rod (4 b), the cylinder body (4 a) is constrained on the inner peripheral wall of the inner ring (1), and the piston rod (4 b) forms at least part of the telescopic rod (40).

5. The support structure of claim 4, wherein: the telescopic piece (4) further comprises an auxiliary rod (4 c) extending along the radial direction of the inner circular ring (1), the first end of the auxiliary rod (4 c) is relatively far away from the circle center of the inner circular ring (1) and is restrained together with the end part of the piston rod (4 b) in a detachable mode, the second end of the auxiliary rod (4 c) is a free end relatively close to the circle center of the inner circular ring (1), a telescopic rod (40) of the telescopic piece (4) is formed between the auxiliary rod (4 c) and the piston rod (4 b), and the free end of the auxiliary rod (4 c) is the inner end part of the telescopic rod (40).

6. The support structure of claim 5, wherein: the free end of the auxiliary rod (4 c) is connected with an abutting plate (41), and the abutting plate (41) is provided with an abutting surface (411) opposite to the side peripheral wall of the circular plate (5).

7. The support structure of claim 6, wherein: the abutting surface (411) is an arc-shaped surface which can be relatively attached to the side peripheral wall of the circular plate (5).

8. The support structure of claim 4, wherein: the internal perisporium of interior ring (1) is equipped with third screw hole (12), be equipped with on cylinder body (4 a) along the radial extension of interior ring (1) and can with third screw hole (12) threaded connection's double-screw bolt (42), thereby make the internal perisporium of ring (1) including cylinder body (4 a) retrain with the mode that can dismouting.

9. The support structure of claim 5, wherein: the first end of the auxiliary rod (4 c) is provided with a radially extending insertion hole (43), the end of the piston rod (4 b) is inserted into the insertion hole (43), a fourth threaded hole (44) communicated with the insertion hole is formed in the side wall of the first end of the auxiliary rod (4 c), and the screw (6) penetrates through the fourth threaded hole (44) and then abuts against the side wall of the piston rod (4 b).

10. The utility model provides an assembly, including circular sheet material (5), base (7), two along the horizontal first direction interval arrangement roller (8) on the base, each roller (8) can rotate along the axis that horizontal, the second direction perpendicular with first direction extend, its characterized in that: the support structure of any one of claims 1 to 9, further comprising a support structure, wherein the support structure is vertically arranged as a whole, the circular plate (5) is vertically arranged in the space (400) defined by the plurality of telescopic members (4), the side peripheral wall of the circular plate (5) is abutted against the inner end part of the telescopic rod (40) of each telescopic member (4), and the outer ring (2) is supported on the two roll shafts (8).