Ground source heat pump drilling centralizing device

Abstract

The utility model provides a ground source heat pump drilling centralizing device, which relates to the technical field of drilling and comprises two centralizing components, and a plurality of fixing rods are fixedly connected between the outer surfaces of the two centralizing components. The righting assembly comprises a supporting frame and a base. According to the drilling rod centralizer, when a drilling rod needs to be centralized, an electric push rod is started to retract, two ropes are driven to move along a sliding frame and a guide frame, a clamping block moves into a clamping groove, meanwhile, a telescopic rod and a spring are compressed, then a hydraulic rod is started, a second mounting base moves, and a concave part is inserted into a protrusion of a first mounting base; an electric push rod is started to reset, so that a clamping block resets along a telescopic rod, extends out of a clamping groove and is clamped into a circular groove under the action force of resilience of a spring, a first mounting seat and a second mounting seat are connected more tightly and stably, the righting effect of the inner righting blocks on the drill rod is guaranteed, and looseness or displacement between the righting blocks is reduced; and the drilling precision and quality are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to borehole technology field especially relates to a ground source heat pump borehole centralizing device. BACKGROUND

[0002] The ground source heat pump is a kind of shallow geothermal energy and is used to heat and cool the high-efficiency energy-saving system, with energy-saving environmental protection, stable and reliable etc., has been widely applied in the global scope, with the continuous improvement of people's energy-saving environmental protection requirement, the application of ground source heat pump system is more and more popular, and the requirement of its construction technology and equipment is also higher and higher, in the construction of ground source heat pump system, drilling is one of the key links, need to drill a hole of certain depth and diameter in the ground, to install the buried pipe heat exchanger.

[0003] In prior art, such as Chinese patent CN218759761U discloses a kind of petroleum exploitation borehole centralizing device, including support body and the drill rod body of installation in support body inside, also include the centralizing assembly of installation on the support body;The centralizing assembly includes two symmetrically arranged support plates fixedly connected on the support body fixed frame and two symmetrically arranged connecting plates in the inner side of the support plate and the threaded shaft installed between the two support plates, one end of the threaded shaft and one of the connecting plates are rotatably connected by bearing, the other end of the threaded shaft penetrates the other connecting plate, a centralizing assembly is provided on the device, the user can realize the quick centralizing correction of drill rod by the centralizing assembly, so that the centralizing correction of drill rod is more convenient, and disassembly assembly is added on the mechanism, new centralizing block can be quickly replaced after the centralizing block wears out.

[0004] In the above patent, although the quick centralizing correction of drill rod can be realized, so that the centralizing correction of drill rod is more convenient, and disassembly assembly is added on the mechanism, new centralizing block can be quickly replaced after the centralizing block wears out, but the vibration, impact force and lateral force of drill rod generated during drilling process, etc., are easy to cause loosening or displacement between two centralizing blocks, thereby reducing the centralizing effect of drill rod, and the precision and quality of drilling are poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem in the above patent that although the quick centralizing correction of drill rod can be realized, so that the centralizing correction of drill rod is more convenient, and disassembly assembly is added on the mechanism, new centralizing block can be quickly replaced after the centralizing block wears out, but the vibration, impact force and lateral force of drill rod generated during drilling process, etc., are easy to cause loosening or displacement between two centralizing blocks, thereby reducing the centralizing effect of drill rod, and the precision and quality of drilling are poor, and a kind of ground source heat pump borehole centralizing device is proposed.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: A ground source heat pump drilling hole centralizing device, including two centralizing components, a plurality of fixed rods are fixedly connected between the outer surfaces of the two centralizing components,

[0007] The centralizing component includes a support frame and a base, the top of the base is fixedly connected with a first mounting seat, the outer surface of the support frame is fixedly connected with a second mounting seat, the outer surface of the second mounting seat is fixedly connected with a fixed frame in a symmetrical mode, the top of the two fixed frames is movably penetrated by a rope, one end of the two ropes is fixedly connected with a clamping block, the outer surface of one side of the two clamping blocks is fixedly connected with an expansion rod in a symmetrical mode, the outer surface of the plurality of expansion rods is sleeved with a spring, the outer surface of the first mounting seat is symmetrically provided with a plurality of circular grooves, the outer surface of the second mounting seat is symmetrically provided with a plurality of clamping grooves, the other end of the two ropes is fixedly connected with an electric push rod, and the inner surfaces of the first mounting seat and the second mounting seat are fixedly connected with a centralizing block through bolts.

[0008] Preferably, the plurality of expansion rods are fixedly connected with the interiors of the two fixed frames respectively, the plurality of clamping grooves and circular grooves are matched with the two clamping blocks respectively, and the first mounting seat and the second mounting seat are matched.

[0009] Preferably, the outer surfaces of the two fixed frames are fixedly connected with a guide frame, the outer surface of the second mounting seat is fixedly connected with a sliding frame, and the two sliding frames and the guide frame are matched with the rope.

[0010] Preferably, the top of the base is fixedly connected with a mounting plate away from the first mounting seat, the outer surface of the mounting plate is fixedly connected with a hydraulic rod, and the output end of the hydraulic rod is movably penetrated with the mounting plate.

[0011] Preferably, the output end of the hydraulic rod is fixedly connected with the outer surface of the support frame, and the outer surface of one side of the electric push rod is fixedly connected with the outer surface of the second mounting seat.

[0012] Preferably, the bottom and the top of the plurality of fixed rods are fixedly connected with the top and the bottom of the two bases respectively.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、The utility model discloses when needing to right the drill rod, starts electric push rod and retracts, drives two ropes and moves along the slide and guide frame, makes the clamping block move to the recess groove, and the telescopic rod and spring are compressed, then starts the hydraulic rod, makes the second mounting seat move, makes the recess insert the protrusion of first mounting seat, starts electric push rod reset, to make the clamping block reset along the telescopic rod under the resilience of spring, and the telescopic rod is taken out from the recess groove and is clamped into the round groove, makes first mounting seat and second mounting seat connect more closely firm, guarantees the righting effect of inside righting block to the drill rod, reduces the looseness or displacement between righting block, guarantees the precision and quality of drilling.

[0015] 2、The utility model discloses through two righting assemblies and right the top and bottom of drill rod, accurately control the position of drill rod, make it keep on the center axis of drilling, thereby improve the perpendicularity and precision of drilling, reduce the drilling deviation. ACCURACY OF DRAWINGS

[0016] Figure 1 A three-dimensional view of a ground source heat pump drilling righting device is provided for the utility model;

[0017] Figure 2 A righting assembly partial structure schematic view of a ground source heat pump drilling righting device is provided for the utility model;

[0018] Figure 3 A second mounting seat expanded view of a ground source heat pump drilling righting device is provided for the utility model;

[0019] Figure 4 A second mounting seat structure schematic view of a ground source heat pump drilling righting device is provided for the utility model;

[0020] Figure 5 A righting assembly structure schematic view of a ground source heat pump drilling righting device is provided for the utility model.

[0021] Legend: 1, fixed rod, 2, righting assembly, 201, first mounting seat, 202, righting block, 203, support frame, 204, second mounting seat, 205, electric push rod, 206, slide, 207, rope, 208, guide frame, 209, fixed frame, 210, clamping block, 211, spring, 212, telescopic rod, 213, base, 214, hydraulic rod, 215, mounting plate, 216, recess groove, 217, round groove. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below combining with the drawings and examples. It needs to be explained that the examples and features in the examples of the present application can be combined mutually without conflict.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1, such as Figures 1-5 As shown, this utility model provides a ground source heat pump drilling straightening device, including two straightening components 2, with multiple fixing rods 1 fixedly connected between the outer surfaces of the two straightening components 2; the straightening component 2 includes a support frame 203 and a base 213, a first mounting seat 201 fixedly connected to the top of the base 213, a second mounting seat 204 fixedly connected to the outer surface of the support frame 203, and fixing frames 209 symmetrically fixedly connected to the outer surface of the second mounting seat 204, with ropes 207 movably passing through the tops of both fixing frames 209, and a locking block 210 fixedly connected to one end of each of the two ropes 207, and telescopic rods 212 symmetrically fixedly connected to one side of the outer surface of each of the two locking blocks 210, with springs 211 sleeved on the outer surfaces of the multiple telescopic rods 212, multiple circular grooves 217 symmetrically opened on the outer surface of the first mounting seat 201, and multiple locking slots symmetrically opened on the outer surface of the second mounting seat 204. 216. An electric actuator 205 is fixedly connected between the other ends of the two ropes 207. A straightening block 202 is fixedly connected to the inner surface of the first mounting base 201 and the second mounting base 204 by bolts. Multiple telescopic rods 212 are fixedly connected to the interior of the two fixed frames 209 respectively. Multiple slots 216 and circular grooves 217 cooperate with the two locking blocks 210 respectively. The first mounting base 201 and the second mounting base 204 cooperate. A guide frame 208 is fixedly connected to the outer surface of the two fixed frames 209. A slide 206 is fixedly connected to the outer surface of the second mounting base 204. Both slides 206 and guide frames 208 cooperate with the ropes 207. A mounting plate 215 is fixedly connected to the top of the base 213 at a position away from the first mounting base 201. A hydraulic rod 214 is fixedly connected to the outer surface of the mounting plate 215. The output end of the hydraulic rod 214 passes through the mounting plate 215.

[0025] The effect achieved by the whole embodiment 1 is that the sliding frame 206 and the guide frame 208 are both provided with conveying rollers for guiding and conveying the ropes 207, and in use, the outer side of the second mounting seat 204 can be protected by a protective sleeve to reduce the external force on the ropes 207, when the drill rod needs to be centralizing, the device is fixed at a specified position by the external fixing part, and the centralizing blocks 202 on the inner side of the first mounting seat 201 are attached to the outer side of the drill rod, then the electric push rod 205 is started to retract, driving the two ropes 207 to move along the sliding frame 206 and the guide frame 208, and the two clamping blocks 210 are subjected to outward pulling force by the ropes 207, so as to move into the clamping grooves 216, and the telescopic rods 212 and the springs 211 are compressed under the action of external pulling force, then the hydraulic rod 214 is started to drive the fixed frame 203 to move, and the guide rods on the outer side ensure the stability of movement, so that the second mounting seat 204 moves towards the first mounting seat 201, when the protrusions of the first mounting seat 201 are completely inserted into the recesses of the second mounting seat 204 to complete the merging, the electric push rod 205 is started to reset, so that the clamping blocks 210 are reset along the telescopic rods 212, and are stretched out of the clamping grooves 216 and clamped into the circular grooves 217, so that the first mounting seat 201 and the second mounting seat 204 are connected more tightly and stably, ensuring the centralizing effect of the internal centralizing blocks 202 on the drill rod, reducing the loosening or displacement between the centralizing blocks 202, and ensuring the accuracy and quality of the drilling.

[0026] As shown in the embodiment 2, Figures 1-5 the output end of the hydraulic rod 214 is fixedly connected with the outer surface of the support frame 203, one side of the outer surface of the electric push rod 205 is fixedly connected with the outer surface of the second mounting seat 204, and the bottoms and tops of the plurality of fixing rods 1 are fixedly connected with the tops and bottoms of the two bases 213 respectively.

[0027] The effect achieved by the whole embodiment 2 is that in use, the top and bottom of the drill rod are centralized by the two centralizing assemblies, the position of the drill rod is accurately controlled, so that the drill rod is kept on the central axis of the drilling hole, thereby improving the perpendicularity and accuracy of the drilling hole and reducing the drilling deviation.

[0028] Working principle: when the drill rod needs to be straightened, the device is fixed at the specified position through the external fixing part, the straightening blocks 202 on the inner side of the first mounting seat 201 are attached to the outer side of the drill rod, then the electric push rod 205 is started to retract, driving the two ropes 207 to move along the slide 206 and the guide frame 208, the two clamping blocks 210 are subjected to outward pulling force through the ropes 207, so as to move into the clamping grooves 216, and the telescopic rods 212 and the springs 211 are compressed under the action of external pulling force, then the hydraulic rod 214 is started to drive the fixed frame 203 to move, and the guide rods on the outer side ensure the stability of movement, so that the second mounting seat 204 moves towards the first mounting seat 201, when the protrusions of the first mounting seat 201 are completely inserted into the recesses of the second mounting seat 204 to complete the merging, the electric push rod 205 is reset, so that the clamping blocks 210 are reset along the telescopic rods 212, and are extended from the clamping grooves 216 and clamped into the circular grooves 217, so that the first mounting seat 201 and the second mounting seat 204 are connected more tightly and stably, the straightening effect of the inner straightening blocks 202 on the drill rod is ensured, the loosening or displacement between the straightening blocks 202 is reduced, the accuracy and quality of the drilling are ensured, the top and bottom of the drill rod are straightened through the two straightening assemblies 2, the position of the drill rod is accurately controlled, so that it is kept on the central axis of the drilling, thereby improving the perpendicularity and accuracy of the drilling, and reducing the drilling deviation.

[0029] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A ground source heat pump borehole centralizer, characterized by: Two righting assemblies (2) are fixedly connected with a plurality of fixing rods (1) between the outer surfaces of the two righting assemblies (2). The righting assembly (2) comprises a support frame (203) and a base (213), the top of the base (213) is fixedly connected with a first mounting seat (201), the outer surface of the support frame (203) is fixedly connected with a second mounting seat (204), the outer surface of the second mounting seat (204) is fixedly connected with a fixing frame (209) in a symmetrical manner, the top of the two fixing frames (209) is movably penetrated by a rope (207), one end of the two ropes (207) is fixedly connected with a clamping block (210), the outer surface of one side of the two clamping blocks (210) is fixedly connected with an extension rod (212) in a symmetrical manner, the outer surface of the plurality of extension rods (212) is sleeved with a spring (211), the outer surface of the first mounting seat (201) is symmetrically provided with a plurality of circular grooves (217), the outer surface of the second mounting seat (204) is symmetrically provided with a plurality of clamping grooves (216), the other end of the two ropes (207) is fixedly connected with an electric push rod (205), and the inner surfaces of the first mounting seat (201) and the second mounting seat (204) are fixedly connected with a righting block (202) through bolts.

2. The geothermal heat pump borehole centralizer of claim 1, wherein: The plurality of extension rods (212) are fixedly connected with the interiors of the two fixing frames (209), the plurality of clamping grooves (216) and the circular grooves (217) are matched with the two clamping blocks (210), and the first mounting seat (201) is matched with the second mounting seat (204).

3. The geothermal heat pump borehole centralizer of claim 1, wherein: The outer surfaces of the two fixing frames (209) are fixedly connected with a guide frame (208), the outer surface of the second mounting seat (204) is fixedly connected with a sliding frame (206), and the two sliding frames (206) and the guide frame (208) are matched with the rope (207).

4. The geothermal heat pump borehole centralizer of claim 1, wherein: The top of the base (213) is fixedly connected with a mounting plate (215) away from the first mounting seat (201), the outer surface of the mounting plate (215) is fixedly connected with a hydraulic rod (214), and the output end of the hydraulic rod (214) is movably penetrated by the mounting plate (215).

5. The geothermal heat pump borehole centralizer of claim 4, wherein: The output end of the hydraulic rod (214) is fixedly connected with the outer surface of the support frame (203), and the outer surface of the electric push rod (205) is fixedly connected with the outer surface of the second mounting seat (204).

6. The geothermal heat pump borehole centralizer of claim 1, wherein: The bottom and the top of the plurality of fixing rods (1) are fixedly connected with the top and the bottom of the two bases (213), respectively.

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