CN216000264U

CN216000264U - Core body assembling tube expanding clamp for heat exchanger

Info

Publication number: CN216000264U
Application number: CN202121082941.6U
Authority: CN
Inventors: 郭兆洲; 张萌; 王尧; 李明; 杨添植
Original assignee: Dalian Tongtie Thermal Power Co ltd
Current assignee: Dalian Tongtie Thermal Power Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-03-11
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a core body assembling tube expansion clamp for a heat exchanger, wherein an end plate ring is of an annular integrated structure, a middle circular hole is a tube expansion area, a semicircular ring back plate is in a half shape of the end plate ring, mounting blocks are welded at the end part of the semicircular ring back plate, the mounting blocks at corresponding positions of the two semicircular ring back plates are fixedly connected into an annular back plate through bolt assemblies, a tube plate at one side of the heat exchanger core body is fixed between the end plate ring and the two semicircular ring back plates, 6-8 circular holes used for connecting an interval keeping rod are uniformly distributed at corresponding positions on the circular plate surfaces of the end plate ring and the semicircular ring back plate, a threaded hole is machined at the end part of the interval keeping rod, one end of the interval keeping rod is connected with the end plate ring and the semicircular ring back plate through bolts, and the other end of the interval keeping rod is connected with a semicircular ring clamp. The utility model has simple structure, convenient use and adjustment, time and labor saving, greatly improves the assembly precision and the production efficiency of the heat exchanger core, reduces the labor intensity of operators and saves the production cost.

Description

Core body assembling tube expanding clamp for heat exchanger

Technical Field

The utility model belongs to the technical field of heat exchanger machining tools, and particularly relates to a core body assembling tube expanding clamp for a heat exchanger.

Background

The core body of the engine oil heat exchanger requires to assemble parts such as a water through pipe, a baffle plate, a pipe plate and the like together, and then the pipe plate and the water through pipe are expanded and sealed; meanwhile, the size of the product needs to be ensured. Therefore, a clamp needs to be designed according to the design requirement of the product, and is used for core assembly and tube expansion of the engine oil heat exchanger.

Disclosure of Invention

The utility model aims to provide a core body assembling and tube expanding clamp for a heat exchanger, which is convenient for assembling and expanding a core body of an engine oil heat exchanger and solves the problems that the precision of the assembling and tube expanding process is difficult to ensure, the production efficiency is low and the labor intensity of workers is high.

The technical scheme adopted by the utility model is as follows: the utility model provides a core equipment expand tube anchor clamps for heat exchanger, end plate ring are ring shape body structure, and middle circular port is the expand tube region, and the shape of semicircle ring backplate does half of end plate ring, semicircle ring backplate tip welding has the installation piece, and the installation piece that two semicircle ring backplates correspond the position is a circle ring backplate through bolt assembly fixed connection, and one side tube sheet of heat exchanger core is fixed in between end plate ring and two semicircle ring backplates, correspond 6 ~ 8 round holes that are used for connecting interval holding rod of position equipartition on end plate ring and the semicircle ring backplate ring face, interval holding rod tip processing screw hole, through bolt one end with end plate ring and semicircle ring backplate are connected, the other end and semicircle ring clamp connection.

Preferably, the number of the semicircular ring clamps is 2, the end parts of the two semicircular ring clamps are fixedly connected into a circular ring clamp through bolts, and grooves are machined in the semicircular rings of the semicircular ring clamps and used for clamping the tube plate; and an interval retaining rod fixing seat is welded on the outer ring of the semicircular ring hoop.

Preferably, the distance keeping rods are determined according to the design distance of tube plates at two ends of the heat exchanger core, and the end plate rings are connected with the semicircular ring clamps through 4-6 distance keeping rods.

The utility model has the beneficial effects that: the utility model has simple structure, convenient use and adjustment, time and labor saving; the product size and the design requirement of the engine oil heat exchanger can be ensured, the manufacturing precision of the engine oil heat exchanger is improved, the production efficiency is greatly improved, the labor intensity of an operator is reduced, and the production cost is saved.

Drawings

FIG. 1 is a schematic structural view of a core assembly tube expansion clamp for a heat exchanger;

FIG. 2 is a side view of a core assembly tube expansion clamp for a heat exchanger;

FIG. 3 is a schematic view of a semicircular backboard structure;

fig. 4 is a schematic view of a semi-circular hoop structure.

Reference numerals: 1-end plate ring 2-semicircular ring back plate 3-spacing retaining rod 4-semicircular ring hoop 21-mounting block 41-spacing retaining rod fixing seat 42-groove

Detailed Description

The utility model is further explained below with reference to the drawings.

As shown in fig. 1 to 3, a core body assembling expand tube clamp for a heat exchanger, an end plate ring 1 is of a circular ring-shaped integrated structure, a middle circular hole is an expand tube region, a semicircular ring back plate 2 is shaped like a half of the end plate ring 1, mounting blocks 21 are welded at the end parts of the semicircular ring back plate 2, the mounting blocks 21 at corresponding positions of the two semicircular ring back plates 2 are fixedly connected into a circular ring-shaped back plate through bolt assemblies, a tube plate at one side of the heat exchanger core body is fixed between the end plate ring 1 and the two semicircular ring back plates 2, 6-8 circular holes used for connecting an interval holding rod 3 are uniformly distributed at corresponding positions on the circular ring plate surfaces of the end plate ring 1 and the semicircular ring back plate 2, a threaded hole is machined at the end part of the interval holding rod 3, one end of the bolt is connected with the end plate ring 1 and the semicircular ring back plate 2, and the other end of the bolt is connected with a semicircular ring clamp 4. The distance keeping rods 3 are determined according to the design distance of the tube plates at the two ends of the heat exchanger core, and the end plate ring 1 and the semicircular ring hoop 4 are connected through 4-6 distance keeping rods 3, so that the distance between the connected tube plates at the two ends is equal to the distance required by the design.

As shown in fig. 4, the number of the semicircular hoop clamps 4 is 2, the end parts of the two semicircular hoop clamps 4 are fixedly connected into a circular hoop clamp through bolts, and a groove 42 is formed in the semicircular ring of each semicircular hoop clamp 4 and used for clamping a tube plate; the outer circle of the semicircular ring clamp 4 is welded with a distance keeping rod fixing seat 41, and the distance keeping rod fixing seat 41 can be used for connecting a distance keeping rod and can also be used for hoisting.

When the fixture is used, the tube plate on one side is fixed between the end plate ring 1 and the semicircular ring back plate 2, the tube plate on the other side is fixed in the semicircular ring clamp 4, the water through tube is inserted into the tube holes of the tube plate and the baffle plate, the spacing retaining rod 3 is installed, the end plate ring 1, the semicircular ring back plate 2 and the semicircular ring clamp 4 are connected, and the engine oil heat exchanger core body assembly is completed. And after the assembly is finished, performing tube expansion operation on the tube plates and the water service pipes at the two ends.

The above-described embodiments of the present invention and the technical principles thereof are intended to be included within the scope of the present invention by any modification and equivalent transformation based on the technical solutions of the present invention.

Claims

1. The utility model provides a core equipment expand tube anchor clamps for heat exchanger which characterized in that: end plate ring (1) is ring shape body structure, and middle circular port is the expand tube region, and the shape of semicircle ring backplate (2) does the half of end plate ring (1), semicircle ring backplate (2) tip welding has installation piece (21), and installation piece (21) that two semicircle ring backplates (2) correspond the position are a circle ring backplate through bolt assembly fixed connection, and one side tube sheet of heat exchanger core is fixed in between end plate ring (1) and two semicircle ring backplates (2), correspond 6 ~ 8 round holes that are used for connecting interval holding pole (3) of position equipartition on end plate ring (1) and semicircle ring backplate (2) ring face, interval holding pole (3) tip processing screw hole, through bolt one end with end plate ring (1) and semicircle ring backplate (2) are connected, and the other end is connected with semicircle ring clamp (4).

2. The heat exchanger core assembly tube expansion clamp of claim 1, wherein: the number of the semicircular ring clamps (4) is 2, the end parts of the two semicircular ring clamps (4) are fixedly connected into a circular ring clamp through bolts, and grooves (42) are machined in the semicircular rings of the semicircular ring clamps (4) and used for clamping the tube plate; and a spacing retaining rod fixing seat (41) is welded on the outer ring of the semicircular ring hoop (4).

3. The heat exchanger core assembly tube expansion clamp of claim 1, wherein: the distance keeping rods (3) are determined according to the design distance of tube plates at two ends of the heat exchanger core, and the end plate ring (1) is connected with the semicircular ring hoop (4) through 4-6 distance keeping rods (3).