CN-224214146-U - Hanging type thermal recovery casing head

CN224214146UCN 224214146 UCN224214146 UCN 224214146UCN-224214146-U

Abstract

The utility model relates to the technical field of casing heads, in particular to a hanging type thermal production casing head which comprises a casing body, two groups of connecting discs for flange connection, a first oil sleeve and a second oil sleeve for conveying oil gas, a hanging block and a clamping groove for hanging the second oil sleeve, wherein a positioning groove is formed in the casing body, a positioning structure is connected with the positioning groove in a threaded manner, a hanging structure is formed on the outer surface of the first oil sleeve, and the hanging structure is clamped with the positioning structure; the oil jacket has the advantages that the positioning ring is screwed into the positioning groove, the wedge block at the bottom end of the positioning ring contacts with the slope at the bottom end of the positioning groove, the oil jacket is placed into the sleeve body, the moving groove formed in the surface of the oil jacket is aligned with the fixing block until the fixing block contacts with the spiral groove, the fixing block is used for fixedly supporting the oil jacket, when the oil jacket needs to be disassembled, the fixing ring is only required to be rotated anticlockwise, and the connecting block at the bottom end of the fixing ring drives the fixing block to contact with the highest end of the spiral groove and continuously rotates, so that the oil jacket is taken out.

Inventors

LIU PENGPENG
SUN XIN
QIAO LEI
FU SHIPENG
WANG JIN

Assignees

盐城宝通机械科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250716

Claims (5)

1. The hanging type thermal recovery casing head comprises a casing body (1), two groups of connecting discs (3) used for being connected in a flange mode, a first oil jacket (2) and a second oil jacket (11) used for conveying oil gas, and a hanging block (12) and a clamping groove (13) used for hanging the second oil jacket (11), and is characterized in that a positioning groove (4) is formed in the casing body (1), a positioning structure is connected with the positioning groove (4) in a threaded mode, a hanging structure is arranged on the outer surface of the first oil jacket (2), the hanging structure is connected with the positioning structure in a clamping mode, and the hanging structure is used for supporting and disassembling the first oil jacket (2).
2. The hanging type thermal recovery casing head of claim 1, wherein the connecting disc (3) is fixed at the upper end and the lower end of the casing body (1), the connecting disc (3) and the connecting disc (3) are integrally formed, and the oil jacket I (2) and the oil jacket II (11) are positioned at the inner ring of the casing body (1).
3. The hanging type thermal recovery casing head of claim 1, wherein the bottom end of the positioning groove (4) is of a slope-shaped structure, the positioning groove (4) inclines downwards towards the virtual central axis of the casing body (1), and the positioning groove (4) is flush with the connecting disc (3) at the top end.
4. The hanging type thermal recovery casing head of claim 3, wherein the positioning structure comprises a positioning ring (5), a connecting block (6), a fixing block (7) and a wedge block (8), the outer ring of the positioning ring (5) is connected to the positioning groove (4) in a threaded mode, the threads of the positioning ring (5) are right-handed threads, the connecting block (6) is fixed to the lower surface of the positioning ring (5), the connecting block (6) is provided with a plurality of groups, the connecting block (6) are circumferentially distributed around a virtual central axis of the positioning ring (5), the fixing block (7), the wedge block (8) and the connecting block (6) are in one-to-one correspondence, the wedge block (8) is fixed to the lower surface of the connecting block (6), the fixing block (7) is fixed to the outer surface of the connecting block (6), the fixing block (7) faces the virtual central axis of the positioning ring (5), the fixing block (7), the wedge block (8) and the connecting block (6) are integrally formed, and the inclination angle of the wedge block (8) is the same as that of the positioning groove (4).
5. The hanging type thermal recovery casing head according to claim 4, wherein the hanging structure comprises a moving groove (9) and a spiral groove (10), the moving groove (9) is communicated with the spiral groove (10), the bottom end of the moving groove (9) penetrates through the hanging type thermal recovery casing head, the spiral groove (10) is in a right-handed spiral shape, the spiral angle of the spiral groove (10) is the same as that of the locating ring (5), the spiral path of the spiral groove (10) is 20-30 degrees, a plurality of groups of moving grooves (9) and the spiral groove (10) are arranged, and the moving groove (9) and the spiral groove (10) are circumferentially distributed around a virtual central shaft of the oil jacket I (2).

Description

Hanging type thermal recovery casing head Technical Field The utility model relates to the field of casing heads, in particular to a hanging type thermal recovery casing head. Background The thermal production casing head mainly transmits the weight of the oil jacket to the casing body in a mechanical slip or thread locking mode so as to produce oil, but in the prior art, when the oil jacket needs to be disassembled, the self-locking mechanical part needs to be released, so that the disassembly is difficult. In the prior art, if the casing hanging type thermal recovery casing head is provided with a CN202110445614.0, the casing hanging type thermal recovery casing head is provided with a nut, a plurality of wedge blocks, a slot and other structures, the nut is driven to move up and down by the screw rod in the rotating process, and the nut drives the second wedge block to move up and down by a plurality of push rods, so that the first wedge block is extruded to move to the right side, and the first wedge block is inserted into the slot in a sliding manner to the right side, so that the oil layer casing is fixedly supported, the oil layer casing is prevented from sliding, and the subsequent oil extraction operation is influenced. However, in the actual use process, the wedge block is required to be released from the slot to detach the oil jacket, so that the oil jacket is inconvenient to detach and mount, and the oil jacket is not convenient to replace rapidly on site. Disclosure of utility model The utility model aims to provide a hanging type thermal recovery casing head so as to solve the problems in the background technology. The oil jacket comprises a sleeve body, two groups of connecting discs for flange connection, an oil jacket I and an oil jacket II for conveying oil gas, a hanging block and a clamping groove for hanging the oil jacket II, wherein a locating groove is formed in the sleeve body, a locating structure is connected with the locating groove in a threaded mode, a hanging structure is arranged on the outer surface of the oil jacket I, the hanging structure is connected with the locating structure in a clamping mode, and the hanging structure is used for supporting and disassembling the oil jacket I. Preferably, the connecting discs are fixed at the upper end and the lower end of the sleeve body, the connecting discs and the connecting discs are integrally formed, and the first oil sleeve and the second oil sleeve are positioned at the inner ring of the sleeve body. Preferably, the bottom of constant head tank is slope shape structure, and the constant head tank is to the virtual center pin downward sloping of sleeve pipe body, and the constant head tank is high parallel and level with the connection pad on top. Preferably, the location structure includes holding ring, connecting block, fixed block and voussoir, and holding ring outer lane spiro union is on the constant head tank, and the screw thread of holding ring is right-handed screw, and the connecting block is fixed at the holding ring lower surface, and the connecting block is equipped with the multiunit, and the connecting block is around the virtual center pin circumference distribution of holding ring, fixed block, voussoir and connecting block one-to-one, and the voussoir is fixed at the lower surface of connecting block, and the fixed block is fixed at the surface of connecting block, and the fixed block is towards the virtual center pin of holding ring, fixed block, voussoir and connecting block integrated into one piece, and the inclination of voussoir and constant head tank is the same. Preferably, the suspension structure comprises a moving groove and a spiral groove, the moving groove is communicated with the spiral groove, the bottom end of the moving groove penetrates through the spiral groove, the spiral groove is in a right-handed spiral shape, the spiral angle of the spiral groove is the same as that of the positioning ring, the spiral path of the spiral groove is 20-30 degrees, a plurality of groups of moving grooves and spiral grooves are arranged, and the moving grooves and the spiral grooves are circumferentially distributed around a virtual central shaft of the oil jacket. Compared with the prior art, the utility model has the beneficial effects that: The hanging type thermal recovery casing head provided by the utility model is characterized in that the positioning ring is firstly screwed into the positioning groove, at the moment, the wedge block at the bottom end of the positioning ring is contacted with the slope at the bottom end of the positioning groove, the first oil jacket is put into the casing body, the moving groove formed in one surface of the oil jacket is aligned with the fixed block until the fixed block is contacted with the spiral groove, so that the fixed block fixedly supports the oil jacket, the oil jacket is prevented from sliding to influence the subsequent oil recovery operation, the wedge