Settlement control tool for assembling large conical main shaft

Abstract

The utility model discloses a settling volume control tool for assembling a large conical main shaft. The settling volume control tool comprises a mounting component and a jacking component, a stepped hole is formed in the middle of the installation component, the installation component is assembled on the bottom end face of the main machine frame taper hole, and the central axis of the stepped hole coincides with the central axis of the main machine frame taper hole. The jacking component comprises a lifting part and an execution part, and the lifting part penetrates through the stepped hole and can ascend and descend in the stepped hole; the lifting part drives the base plate to ascend, so that the base plate is tightly attached to the bottom end face of the conical main shaft, and the thickness of the base plate is the settling volume of the conical main shaft; the execution part is installed on the lifting part located on the outer side of the installation part and provides external force for the lifting part to ascend and descend. According to the utility model, the rapid and accurate assembly of the large-scale conical main shaft under the interference fit assembly condition is realized, and the problem that the assembly process of the large-scale conical main shaft in interference fit is difficult in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to a settlement control tool for assembling a large-scale conical main shaft, belonging to the technical field of crushing and screening equipment. Background Art

[0002] Crushing and screening equipment and other products are niche products in the engineering machinery industry, which are characterized by a wide variety and small batches. For the interference fit assembly of this large tapered spindle, most manufacturers use special press-fit equipment or large hydraulic presses for press-fitting, which has high assembly costs, is easy to damage the workpiece and is difficult to ensure product quality; large hydraulic presses require large equipment investments, and external resources that meet the press-fitting conditions are scarce and hard to find, making it difficult to find external resources that match the press-fitting requirements, and the waiting time is long, which seriously affects production efficiency and delivery cycle. Summary of the invention

[0003] The utility model provides a settlement control tool for assembling a large tapered main shaft, which is used to solve the problem that the settlement of the large tapered main shaft is difficult to control.

[0004] The utility model is implemented according to the following technical solutions:

[0005] A settlement control tool for assembling a large tapered spindle comprises a mounting component and a lifting component; a stepped hole is provided in the middle of the mounting component, the mounting component is mounted on the bottom end face of the tapered hole of a mainframe, and the central axis of the stepped hole coincides with the central axis of the tapered hole of the mainframe; the lifting component comprises a lifting part and an execution part, the lifting part passes through the stepped hole and can perform ascending and descending movements in the stepped hole; the lifting part drives a pad thereon to ascend so that the pad is firmly attached to the bottom end face of the tapered spindle, and the thickness of the pad is equal to the settlement amount of the tapered spindle; the execution part is mounted on the lifting part located outside the mounting component to provide an external force for ascending and descending movements to the lifting part.

[0006] In some embodiments, the mounting component includes a mounting plate and a connecting tube; the mounting plate is divided into three areas, with its two ends serving as connecting areas connected to the main frame, and the middle protruding outward as a mounting area for use with the lifting part; the connecting tube is arranged at the mounting area of ​​the mounting plate, and the stepped hole is formed between the two.

[0007] In some embodiments, at least one symmetrically arranged mounting hole is provided at each end of the mounting plate, and threaded holes corresponding to the mounting holes are provided on the bottom end surface of the conical hole of the host frame, and the mounting plate is fixed to the bottom end surface of the conical hole of the host frame by multiple bolts.

[0008] In some embodiments, the connecting tube is composed of a bottom plate with a small circular hole in the center and an annular side plate extending upward around the periphery of the bottom plate; a large circular hole is provided in the center of the mounting plate, and the inner diameter of the large circular hole is the same as the inner diameter of the annular side plate of the connecting tube; the annular side plate is fixed to the mounting plate in a manner that the central axis coincides with that of the large circular hole, and the large circular hole, the inner cavity of the annular side plate and the small circular hole form a stepped hole.

[0009] In some embodiments, the small circular hole is a threaded hole for threaded connection with the lifting part, and the lifting part is driven to rotate by the actuator to realize the lifting and lowering movement of the lifting component.

[0010] In some embodiments, at least one reinforcing rib plate is fixed between the outer peripheral surface of the connecting tube and the bottom surface of the mounting plate.

[0011] In some embodiments, the lifting part includes a disc and a lifting rod; the disc is arranged in the stepped hole of the mounting component, and there is a clearance fit between the two; the lifting rod is inserted into the stepped hole, and cooperates with the mounting component to drive the disc to move up and down in the stepped hole.

[0012] In some embodiments, the actuator includes a handle mounted on the lifting rod for applying external force to the lifting rod to cause the lifting rod to move upward and downward.

[0013] In some embodiments, the lifting rod is a stepped rod, divided into three areas:

[0014] The middle area is a threaded rod, which is used to cooperate with the threaded hole on the mounting component. The threaded rod is rotated by the handle, and the rotational motion is converted into axial linear motion by the action of the thread.

[0015] The top area is a smooth circular plate, whose outer diameter is larger than the outer diameter of the threaded rod. The circular plate is provided with a T-slot on the axial surface facing the lifting rod. The circular plate is installed in the T-slot, and the gap between the two is matched, so that the circular plate can rotate in the T-slot.

[0016] The bottom area is a cylinder with an outer diameter smaller than that of the threaded rod, and is used for mounting the handle.

[0017] In some embodiments, the handle is a long round rod, the cylinder is provided with a radial light hole, and the long round rod is inserted into the light hole in a tight fit; or, the handle is a long round rod, a thread is provided at one end on its radial circumference, the cylinder is provided with a radial threaded hole, and the long round rod is connected to the cylinder in a threaded manner.

[0018] In some embodiments, the mounting component and the lifting component are both symmetrical structures.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The utility model realizes the rapid and accurate assembly of large tapered spindles under interference fit assembly conditions; it solves the difficulties in the assembly process of large tapered spindles with interference fit in the prior art, as well as the difficult problems of the relative position size of the spindle height, the spindle settlement, and the verticality between the spindle and the frame. The ingenious design and application of the settlement height control tooling is a kind of control tooling that can complete the rapid and accurate assembly of large tapered spindles with interference fit without relying on special press-fitting equipment or large hydraulic presses; it has low investment cost, high efficiency, safety and reliability, can better guarantee the assembly quality, and greatly saves the high cost of press-fitting of large tapered spindles under interference fit assembly using special press-fitting equipment or large hydraulic presses. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0022] In the attached picture:

[0023] Figure 1 It is a three-dimensional diagram of the settlement control tooling of the utility model;

[0024] Figure 2 It is a cross-sectional view of the settlement control tooling of the utility model;

[0025] Figure 3 It is a three-dimensional diagram of the installation component of the utility model;

[0026] Figure 4 It is a three-dimensional diagram of the lifting rod of the utility model;

[0027] Figure 5 A three-dimensional diagram of a disc of the utility model;

[0028] Figure 6 The utility model is a three-dimensional installation of the settlement control tooling Figure 1 ;

[0029] Figure 7 The utility model is a three-dimensional installation of the settlement control tooling Figure 2 ;

[0030] Figure 8 This is a cross-sectional view of the installation of the settlement control tooling of the utility model;

[0031] Fig. 9 for Figure 8 A partial enlarged view of .

[0032] Figure symbols: 10 - settlement control tooling; 20 - mainframe frame, 30 - tapered spindle, 40 - pad, 50 - support tooling;

[0033] 101-mounting plate, 102-connecting tube, 103-mounting hole, 104-step hole, 105-reinforcement rib plate, 106-disc, 107-lifting rod, 108-handle, 109-threaded rod, 110-circular plate, 111-cylinder, 112-T-slot.

[0034] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0036] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1 , Figure 2 , Figure 6 , Figure 7 , Figure 8 , Fig. 9As shown, a settlement control tooling for assembling a large tapered spindle comprises a mounting component and a lifting component; a stepped hole 104 is provided in the middle of the mounting component, the mounting component is mounted on the bottom end face of the tapered hole of the main frame, and the central axis of the stepped hole 104 coincides with the central axis of the tapered hole of the main frame; the lifting component comprises a lifting part and an execution part, the lifting part passes through the stepped hole 104, and can perform rising and falling movements in the stepped hole 104; the lifting part drives the pad thereon to rise, so that the pad 40 is firmly attached to the bottom end face of the tapered spindle 30, and the thickness of the pad 40 is the settlement amount of the tapered spindle 30; the execution part is mounted on the lifting part located outside the mounting component, and provides external force for the lifting part to move up and down.

[0039] The above-mentioned installation components are further described below.

[0040] like Figure 3 As shown, the mounting component includes a mounting plate 101 and a connecting tube 102; the mounting plate 101 is divided into three areas, with its two ends serving as connecting areas connected to the main frame 20, and the middle protruding outward as a mounting area for use with the lifting part; the connecting tube 102 is arranged at the mounting area of ​​the mounting plate 101, and a stepped hole 104 is formed between the two.

[0041] Further solutions, such as Figure 3 , Fig. 9 As shown, at least one symmetrically arranged mounting hole 103 is provided at each end of the mounting plate 101, and threaded holes corresponding to the mounting holes 103 are provided on the bottom end surface of the tapered hole of the host frame, and the mounting plate 101 is fixed to the bottom end surface of the tapered hole of the host frame by multiple bolts.

[0042] Further solutions, such as Figure 2 , Figure 3 As shown, the connecting cylinder 102 is composed of a bottom plate with a small circular hole in the center and an annular side plate extending upward around the periphery of the bottom plate; a large circular hole is provided in the center of the mounting plate 101, and the inner diameter of the large circular hole is the same as the inner diameter of the annular side plate of the connecting cylinder 102; the annular side plate is fixed on the mounting plate 101 in a manner that the central axis coincides with the large circular hole, and the large circular hole, the inner cavity of the annular side plate and the small circular hole form a stepped hole 104.

[0043] In a further solution, the small circular hole is a threaded hole for threaded connection with the lifting part, and the lifting part is driven to rotate by the actuator to realize the lifting and lowering movement of the lifting component.

[0044] The preferred solution is Figure 3 As shown, at least one reinforcing rib plate 105 is fixed between the outer peripheral surface of the connecting tube 102 and the bottom surface of the mounting plate 101 .

[0045] The above-mentioned lifting components are further described below.

[0046] like Figure 1 , Figure 2 , Figure 4 , Figure 5 As shown, the lifting part includes a disc 106 and a lifting rod 107. The disc 106 is arranged in the stepped hole 104 of the mounting component, and there is a clearance fit between the two. The lifting rod 107 penetrates into the stepped hole 104 and cooperates with the mounting component to drive the disc 106 to move up and down in the stepped hole 104. The execution part includes a handle 108, which is installed on the lifting rod 107 and is used to apply external force to the lifting rod 107 for ascending and descending movements.

[0047] Further solutions, such as Figure 4 , Figure 5 As shown, the lifting rod 107 is a stepped rod divided into three areas; the middle area is a threaded rod 109, which is used to cooperate with the threaded hole on the mounting component, and the threaded rod 109 is driven to rotate by the handle 108, and the rotational motion is converted into axial linear motion by the action of the thread; the top area is a smooth circular plate 110, whose outer diameter is larger than the outer diameter of the threaded rod, and the disc 106 is provided with a T-slot 112 on the axial surface facing the lifting rod 107, and the circular plate 110 is installed in the T-slot 112, and the gap between the two is matched, and the circular plate 110 can rotate in the T-slot 112; the bottom area is a cylinder 111 with an outer diameter smaller than the outer diameter of the threaded rod 109, which is used to install the handle 108.

[0048] Preferred solution: Figure 1 , Figure 2 As shown, the handle 108 is a long round rod, a radial light hole is provided on the cylinder 111, and the long round rod is inserted into the light hole in a tight fit manner; or, the handle 108 is a long round rod, a thread is provided on one end of the radial circumference, a radial threaded hole is provided on the cylinder 111, and the long round rod is connected to the cylinder 111 in a threaded manner.

[0049] The following combination Figure 6 , Figure 7 , Figure 8 , Fig. 9 As shown, the above-mentioned settlement control fixture is used in the assembly process of accurately assembling a large tapered spindle.

[0050] a) Place the mainframe frame 20, lift the mainframe frame 20 and place it on the corresponding supporting tooling 50 and securely fix the mainframe frame 20.

[0051] b) The conical spindle 30 is pre-installed, and a special lifting device is installed on the upper end surface of the conical spindle 30. The conical spindle 30 is lifted by a crane and placed on the mainframe frame 20; the conical tip of the conical spindle 30 is placed into the inner conical hole of the mainframe frame 20, and the conical spindle 30 sinks to the bottom under the action of gravity in a natural state.

[0052] c) Install the settlement control tool 10, and install the settlement control tool 10 on the outer end surface of the tapered hole of the main frame.

[0053] d) Place and adjust the settlement height pad 40; place the pad 40 with a settlement height of 3 mm for the tapered spindle 30 on the disc 106 of the settlement control tooling 10, rotate the threaded rod 109 of the settlement control tooling 10 clockwise to push the disc 106 up, and the disc 106 drives the pad 40 thereon to rise, and finally the pad 40 is firmly attached to the tapered outer end surface of the tapered spindle 30 and does not push the tapered spindle 30.

[0054] e) The conical main shaft 30 is removed and frozen. The conical main shaft 30 equipped with a special lifting device is lifted out from the main frame 20 and placed in an industrial refrigerator for freezing; the conical main shaft 30 shrinks due to the cold.

[0055] f) Remove the settlement height pad 40; remove the 3mm pad 40 placed on the disc 106 of the settlement control tooling 10 from just above the tapered hole of the main frame (the port with the larger tapered mouth) and keep the disc 106 of the settlement control tooling 10 unchanged in height position relative to the main frame 20.

[0056] g) heating the conical inner hole of the main frame 20, placing the contoured induction coil of the portable electromagnetic induction heating device into the conical inner hole of the frame, and heating to expand the inner hole.

[0057] h) Assembling the conical spindle 30; hoisting the frozen conical spindle 30 into the partially heated conical hole on the main frame 20, the conical spindle 20 will sink quickly and the lower end surface of the conical spindle 30 will contact the disc 106 of the settlement control tooling 10.

[0058] i) placing a heavy object on the tapered spindle 30; removing the special hanger above the tapered spindle 30 and using a weight of not less than 150 kg to place it on the upper end surface of the tapered spindle 30, pressing the tapered spindle 30 for 2 hours; so that the tapered spindle 30 and the tapered hole of the main frame 20 are smoothly assembled with interference fit, and the tapered spindle 30 is firmly fixed in the tapered hole of the main frame 20, so as to realize the fastening connection between the large tapered spindle 30 and the main frame 20.

[0059] j) Remove the settlement control tooling 10. After the tapered spindle 30 is assembled, remove the settlement control tooling 10.

[0060] In summary, the utility model realizes the rapid and accurate assembly of large tapered spindles under interference fit assembly conditions; it solves the difficulties in the assembly process of large tapered spindles with interference fit in the prior art, as well as the difficult problems of the relative position size of the spindle height, the spindle settlement, and the verticality between the spindle and the frame. The clever design and application of the settlement height control tooling is a kind of control tooling that can complete the rapid and accurate assembly of large tapered spindles with interference fit without relying on special press-fitting equipment or large hydraulic presses; it has low investment cost, high efficiency, safety and reliability, can better guarantee the assembly quality, and greatly saves the high cost of press-fitting of large tapered spindles under interference fit assembly using special press-fitting equipment or large hydraulic presses.

[0061] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0062] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0063] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A settlement control tool for assembling a large tapered spindle, characterized in that: include: A mounting component, wherein a stepped hole is provided in the middle thereof, the mounting component is assembled on the bottom end surface of the tapered hole of the mainframe frame, and the central axis of the stepped hole coincides with the central axis of the tapered hole of the mainframe frame; Lifting parts, including: A lifting part, which passes through the stepped hole and can move up and down in the stepped hole; the lifting part drives the pad on it to rise, so that the pad is firmly attached to the bottom end surface of the tapered main shaft, and the thickness of the pad is the settlement amount of the tapered main shaft; The execution part is installed on the lifting part located outside the installation component, and provides external force for the lifting part to move upward and downward.

2. The settling control tool for assembling a large tapered spindle according to claim 1, characterized in that: The installation components include: The mounting plate is divided into three areas, with two ends serving as connection areas connected to the mainframe frame and a middle portion protruding outwards serving as a mounting area for use with the lifting unit; The connecting cylinder is arranged at the mounting area of ​​the mounting plate, and the stepped hole is formed therebetween.

3. The settling control tool for assembling a large tapered spindle according to claim 2, characterized in that: At least one symmetrically arranged mounting hole is provided at each end of the mounting plate, and threaded holes corresponding to the mounting holes are provided on the bottom end surface of the tapered hole of the main frame, and the mounting plate is fixed to the bottom end surface of the tapered hole of the main frame by multiple bolts.

4. The settling control tool for assembling a large tapered spindle according to claim 2, characterized in that: The connecting cylinder is composed of a bottom plate with a small circular hole in the center and an annular side plate extending upward around the periphery of the bottom plate; A large circular hole is provided at the center of the mounting plate, and the inner diameter of the large circular hole is the same as the inner diameter of the annular side plate of the connecting cylinder; The annular side plate is fixed on the mounting plate in a manner that the central axis thereof coincides with the large circular hole, and the large circular hole, the inner cavity of the annular side plate and the small circular hole form a stepped hole.

5. The settling control tool for assembling a large tapered spindle according to claim 4, characterized in that: The small circular hole is a threaded hole, which is used for threaded connection with the lifting part. The lifting part is driven to rotate by the actuator to realize the lifting and lowering movement of the lifting component.

6. The settling control tool for assembling a large tapered spindle according to claim 2, characterized in that: At least one reinforcing rib plate is fixed between the outer peripheral surface of the connecting tube and the bottom surface of the mounting plate.

7. The settling control tool for assembling a large tapered spindle according to claim 1, characterized in that: The lifting part comprises: The disc is arranged in the stepped hole of the mounting component with a clearance fit therebetween; A lifting rod is inserted into the stepped hole and cooperates with the mounting component to drive the disc to move up and down in the stepped hole; The execution unit includes: A handle is installed on the lifting rod and is used to apply external force to the lifting rod to make it rise and fall.

8. The settling control tool for assembling a large tapered spindle according to claim 7, characterized in that: The lifting rod is a stepped rod, which is divided into three areas: The middle area is a threaded rod, which is used to cooperate with the threaded hole on the mounting component. The threaded rod is rotated by the handle, and the rotational motion is converted into axial linear motion by the action of the thread. The top area is a smooth circular plate, whose outer diameter is larger than the outer diameter of the threaded rod. The circular plate is provided with a T-slot on the axial surface facing the lifting rod. The circular plate is installed in the T-slot, and the gap between the two is matched, so that the circular plate can rotate in the T-slot. The bottom area is a cylinder with an outer diameter smaller than that of the threaded rod, and is used for mounting the handle.

9. The settling control tool for assembling a large tapered spindle according to claim 8, characterized in that: The handle is a long round rod, the cylinder is provided with a radial light hole, and the long round rod is inserted into the light hole in a tight fit manner; Alternatively, the handle is a long round rod with one end threaded on its radial circumferential surface, the cylinder is provided with a radial threaded hole, and the long round rod is connected to the cylinder in a threaded manner.

10. The settling control tool for assembling a large tapered spindle according to claim 1, characterized in that: The installation component and the lifting component are both symmetrical structures.

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