Tool for split stop pin seat of hydraulic support structural part

By designing tooling for positioning plates, expansion sleeves, and top cones, the problem of positioning difficulties for split-type stop pin seats in hydraulic support structures was solved, enabling rapid installation and adaptability to the positioning of stop pin seats of different specifications, thus reducing labor costs.

CN223790290UActive Publication Date: 2026-01-13SHANXI PINGYANG HEAVY IND COAL MASCH FITTINGS SALES
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Patent Information

Application Number
CN202520129677.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-13
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The positioning of the split-type stop pin seat in the hydraulic support structure is difficult, which leads to misalignment of position and angle during the assembly and welding process, increasing costs and wasting manpower.

Method used

A tooling was designed that includes a positioning plate, an expansion sleeve, a top cone, and a handle. The positioning plate determines the position of the stop pin seat, and the tapered hole of the expansion sleeve and the rotational expansion effect of the top cone are used to fix the stop pin seat to the positioning plate, thereby achieving rapid positioning and installation.

Benefits of technology

It enables rapid positioning and fixing of split-type stop pin seats, reduces labor costs, improves welding efficiency, and is applicable to the installation of stop pin seats of different specifications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a tool for a split stop pin seat of a hydraulic support structural part, and belongs to the technical field of hydraulic support manufacturing auxiliary equipment. Comprising a positioning plate, an expansion sleeve, a tip cone and a handle, a positioning hole and two stop pin seat fixing holes are formed in the positioning plate, and a baffle is further fixedly arranged on the positioning plate; an internal thread is arranged in an opening in one end of the expansion sleeve, and a taper hole is formed in an opening in the other end of the expansion sleeve. The tip cone comprises a handle section, a connecting section, a threaded section, a transition section and a conical section which are coaxially connected in sequence, one end of the conical section of the tip cone extends into one end of the internal thread of the expansion sleeve, and the threaded section of the tip cone is in threaded connection with one end of the internal thread of the expansion sleeve; a handle is arranged at the handle section of the tip cone; the problem that a split type stop pin base of an existing hydraulic support structural part is difficult to position is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic support manufacturing auxiliary equipment technical field, concretely relates to a tool for the split blocking pin seat of hydraulic support structural member. BACKGROUND

[0002] In the hydraulic support structural member, each structural member is connected through the pin shaft, under the friction force when the support is in action, the pin shaft will rotate, axial movement along the pin shaft hole is produced, when moving to certain position, make structural connection produce failure, the support loses the protection effect. In order to guarantee the normal work of pin shaft, it is usually needed to fix the axial direction of pin shaft, and the general way is to complete through blocking pin seat and baffle. Considering the cost, the present blocking pin seat is generally split structure, and see Figure 1 、 2 , 3, is composed of two parts. The problem brought along is that as split structure blocking pin seat, positioning is difficult in the process of welding, and if not careful, the baffle can not be worn, the relative position and angle of blocking pin seat and pin shaft hole are dislocated and the like.

[0003] Meanwhile, according to the size of mandrel hole, different specifications are adopted for split blocking pin seat. According to the previous tool manufacturing, different auxiliary tools need to be adopted, the cost is increased, and meanwhile, multiple people are needed for operation, and manpower is wasted. INNOVATION CONTENT

[0004] The utility model overcomes the deficiency of prior art, and provides a tool for the split blocking pin seat of hydraulic support structural member; the positioning difficulty of the split blocking pin seat of the present hydraulic support structural member is solved.

[0005] In order to achieve the above object, the utility model is realized through the following technical schemes.

[0006] A tool for the split blocking pin seat of hydraulic support structural member, including positioning plate, expansion sleeve, top cone, handle, one positioning hole and two blocking pin seat fixing holes are arranged on the positioning plate, and a baffle is also fixedly arranged on the positioning plate; internal thread is arranged in the opening of one end of the expansion sleeve, and taper hole is arranged in the opening of the other end of the expansion sleeve;The top cone includes handle section, connecting section, threaded section, transition section and conical section which are coaxially connected in sequence, one end of the conical section of the top cone extends into the one end of the internal thread of the expansion sleeve, and the threaded section of the top cone is screwed with the one end of the internal thread of the expansion sleeve;Handle is arranged at the handle section of the top cone.

[0007] Further, the positioning plate is a planar plate structure, a circular positioning hole is arranged in the middle of the positioning plate, and two blocking pin seat fixing holes are also arranged on the positioning plate, and the two blocking pin seat fixing holes are located on the two sides of the positioning hole.

[0008] Further, the baffle is fixed at one side edge of the positioning plate and is perpendicular to the positioning plate.

[0009] Further, the expansion sleeve is a cylindrical structure with two open ends, and the outer diameter of the middle part of the outer side of the expansion sleeve is smaller than the outer diameter of the two ends of the expansion sleeve.

[0010] Further, the inner diameter of one end of the inner side of the taper hole is equal to the inner diameter of the expansion sleeve, and the inner diameter of one end of the outer side of the taper hole is smaller than the inner diameter of the inner side.

[0011] Further, a circle of outward expansion grooves arranged in a circular array is arranged on the side wall of one end of the expansion sleeve provided with the taper hole, and the outward expansion grooves are arranged along the axial direction of the expansion sleeve.

[0012] Further, two symmetrical clamping surfaces are arranged on the outer wall of one end of the expansion sleeve provided with the internal thread, and the two clamping surfaces are parallel to the axis of the expansion sleeve.

[0013] Further, the outer diameter of the connecting section is smaller than the outer diameter of the handle section and the threaded section, the outer diameter of the transition section is smaller than the outer diameter of the threaded section, the outer diameter of one end of the conical section connected with the transition section is equal to the outer diameter of the transition section, and the outer diameter of the other end of the conical section away from the transition section is smaller than the outer diameter of one end connected with the transition section.

[0014] Further, a through insertion hole is arranged on the handle section, and the handle is inserted into the insertion cylinder of the handle section of the top cone.

[0015] Further, an external thread is arranged on the outer wall of the threaded section.

[0016] The beneficial effects of the utility model relative to the prior art are:

[0017] The utility model discloses a kind of tooling for hydraulic support structural member split blocking pin seat, the position of two blocking pin seat fixing holes is determined by positioning plate and baffle, clamping face when using clamps expansion sleeve, by handle rotating top cone, by threaded section rotating motion in expansion sleeve, displacement is generated, the conical section taper surface of top cone and the inner taper surface of taper hole of expansion sleeve contact, under the action of the conical section taper surface of top cone, the inner taper surface of taper hole of expansion sleeve generates even radial expansion, while supporting the surface of pin shaft hole, positioning plate is fixed, so that positioning plate is fixed, so that two split blocking pin seats are fixed in the two blocking pin seat fixing holes of positioning plate.The split blocking pin seat of different specifications is used, and positioning plate only needs to be replaced. DRAWINGS

[0018] The utility model will be further explained in detail in connection with the drawings:

[0019] Figure 1 It is the connection of structure and two blocking pin seats Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the connection between the structure and the two retaining pin seats. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the connection between the structure and the two retaining pin seats. Figure 3 ;

[0022] Figure 4 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 5 This is a structural diagram of the positioning plate;

[0024] Figure 6 This is a schematic diagram of the expansion sleeve structure. Figure 1 ;

[0025] Figure 7 This is a schematic diagram of the expansion sleeve structure. Figure 2 ;

[0026] Figure 8 This is a schematic diagram of the apex cone structure;

[0027] Figure 9 This is a schematic diagram of the structure of this utility model during operation;

[0028] Figure 10 yes Figure 9 A magnified view of a portion of point A in the middle;

[0029] Among them, 1 is a structural component, 2 is a stop pin seat, 3 is a pin hole, 4 is a positioning plate, 5 is an expansion sleeve, 6 is a top cone, 7 is a handle, 8 is a positioning hole, 9 is a stop pin seat fixing hole, 10 is a baffle, 11 is an internal thread, 12 is a tapered hole, 13 is an external expansion groove, 14 is a handle section, 15 is a connecting section, 16 is a threaded section, 17 is a transition section, and 18 is a conical section. Detailed Implementation

[0030] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, this utility model will be further described in detail with reference to the embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of this utility model and are not intended to limit it. The technical solution of this utility model will be described in detail below with reference to the embodiments and accompanying drawings, but the scope of protection is not limited thereto.

[0031] like Figure 4 As shown in Figure 10, this utility model provides a tooling for a split stop pin seat of a hydraulic support structure, including a positioning plate 4, an expansion sleeve 5, a top cone 6, and a handle 7.

[0032] The positioning plate 4 is a planar plate structure, a circular positioning hole 8 is arranged in the middle of the positioning plate 4, and two blocking pin seat fixing holes 9 are further arranged on the positioning plate 4 and are located on the two sides of the positioning hole 8. When the positioning plate 4 is placed on the outer wall of the structural part 1, the positioning hole 8 on the positioning plate 4 corresponds to the pin shaft hole 3 on the structural part 1, and the positions of the two blocking pin seat fixing holes 9 are the positions where the two blocking pin seats 2 are to be installed.

[0033] A baffle plate 10 is further fixedly arranged on one side edge of the positioning plate 4 and is perpendicular to the positioning plate 4. When the positioning hole 8 on the positioning plate 4 corresponds to the pin shaft hole 3 on the structural part 1, the baffle plate 10 is in contact with the rear wall of the structural part 1, so that the angle of the positioning plate 4 is fixed, and then the positions of the two blocking pin seat fixing holes 9 are fixed.

[0034] The expansion sleeve 5 is a cylindrical structure with two open ends, the outer diameter of the middle part of the outer side of the expansion sleeve 5 is smaller than the outer diameters of the two ends of the outer side of the expansion sleeve 5. An internal thread 11 is arranged in the inner part of one end of the expansion sleeve 5, a taper hole 12 is arranged in the inner part of the other end of the expansion sleeve 5, the inner diameter of the inner side of one end of the taper hole 12 is equal to the inner diameter of the expansion sleeve 5, and the inner diameter of the outer side of one end of the taper hole 12 is smaller than the inner diameter of the inner side of one end. A circle of circular array arranged outer expansion grooves 13 are arranged on the side wall of one end of the expansion sleeve 5 provided with the taper hole 12 and are arranged in the axial direction of the expansion sleeve 5. Two symmetrical clamping surfaces are arranged on the outer wall of one end of the expansion sleeve 5 provided with the internal thread 11, the two clamping surfaces are parallel to the axis of the expansion sleeve 5, and the expansion sleeve 5 can be clamped and fixed by clamping the two clamping surfaces.

[0035] The top taper 6 comprises a handle section 14, a connecting section 15, a threaded section 16, a transition section 17 and a conical section 18 which are coaxially connected in sequence. The outer diameter of the connecting section 15 is smaller than the outer diameters of the handle section 14 and the threaded section 16, the outer diameter of the transition section 17 is smaller than the outer diameter of the threaded section 16, the outer diameter of the conical section 18 connected with one end of the transition section 17 is equal to the outer diameter of the transition section 17, and the outer diameter of the other end of the conical section 18 away from the transition section 17 is smaller than the outer diameter of the one end connected with the transition section 17. An insertion hole penetrating through both ends is arranged on the handle section 14 and is arranged in the radial direction of the handle section 14. An external thread is arranged on the outer wall of the threaded section 16.

[0036] One end of the conical section 18 of the top taper 6 extends into one end of the internal thread 11 of the expansion sleeve 5, and the threaded section 16 of the top taper 6 is screwed with one end of the internal thread 11 of the expansion sleeve 5.

[0037] The handle 7 is a straight rod structure, and the handle 7 is inserted into the insertion cylinder of the handle section 14 of the top taper 6.

[0038] The working principle of the utility model is as follows:

[0039] Firstly, the positioning plate 4 is placed at the outer wall of the structural member 1, so that the positioning holes 8 on the positioning plate 4 correspond to the pin shaft holes 3 on the structural member 1; then the baffle 10 on the positioning plate 4 is contacted with the rear wall of the structural member 1, so that the angle of the positioning plate 4 is fixed, and the positions of the two baffle pin seat fixing holes 9 on the positioning plate 4 are the positions of the two baffle pin seats 2 to be installed.

[0040] Secondly, one end of the conical section 18 of the top cone 6 is inserted into the inner thread 11 of the expansion sleeve 5, so that the threaded section 16 of the top cone 6 is screwed with one end of the inner thread 11 of the expansion sleeve 5, and then the conical hole 12 of the expansion sleeve 5 is inserted into the positioning hole 8 of the positioning plate 4 and extends into the pin shaft hole 3 of the structural member 1.

[0041] Thirdly, the handle 7 is inserted into the insertion hole of the handle section 14 of the top cone 6, and the handle 7 is rotated to clamp the two clamping surfaces on the outer side of the expansion sleeve 5, so that the expansion sleeve 5 cannot rotate; the handle 7 drives the top cone 6 to rotate, and the top cone 6 moves along the axial direction of the expansion sleeve 5, and one end of the conical section 18 of the top cone 6 continuously extends into the interior of the expansion sleeve 5.

[0042] Fourthly, as the top cone 6 continuously moves, the outer side surface of the conical section 18 of the top cone 6 continuously contacts the inner wall of the conical hole 12 of the expansion sleeve 5, the one end of the conical hole 12 of the expansion sleeve 5 is uniformly expanded outward under the extrusion force of the conical section 18, and the one end of the conical hole 12 of the expansion sleeve 5 continuously expands outward and gradually tightly contacts the inner wall of the positioning hole 8 and the pin shaft hole 3, and the pin shaft hole 3 and the positioning plate 4 are supported by the expansion sleeve 5, so that the positioning plate 4 is fixed on the structural member 1 by the expansion sleeve 5.

[0043] Fifthly, the two baffle pin seats 2 are respectively placed in the two baffle pin seat fixing holes 9 on the positioning plate 4, and the baffle pin seats 2 are fixed with the structural member 1, so that the installation of the two baffle pin seats 2 is completed.

[0044] When different specifications of baffle pin seats 2 need to be installed, different positioning plates 4 can be replaced, and the installation method is the same as the above steps.

[0045] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application should be defined by the appended claims rather than the above description, and all changes coming within the meaning and equivalency range of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A tool for splitting a pin seat of a hydraulic support structure member, characterized in that: The utility model provides a kind of expansion sleeve, including positioning plate (4), expansion sleeve (5), top cone (6), handle (7);Positioning plate (4) is provided with a positioning hole (8) and two blocking pin seat fixing holes (9), still fixedly provided with a baffle (10) on positioning plate (4);Expansion sleeve (5) one end opening inside is provided with internal thread (11), and expansion sleeve (5) other end opening inside is provided with taper hole (12);The top cone (6) includes handle section (14), connecting section (15), threaded section (16), transition section (17), conical section (18) connected coaxially in turn, the conical section (18) one end of the top cone (6) from the internal thread (11) one end of expansion sleeve (5) is inserted, and the threaded section (16) of top cone (6) is screw-connected with the internal thread (11) one end of expansion sleeve (5);Handle (7) is provided at handle section (14) of top cone (6).

2. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: The positioning plate (4) is a planar plate structure, and the positioning hole (8) is a circular hole formed in the middle of the positioning plate (4).

3. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: The baffle (10) is fixedly arranged on one side edge of the positioning plate (4) and is perpendicular to the positioning plate (4).

4. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: The expansion sleeve (5) is a cylindrical structure with two open ends, and the outer diameter of the middle part of the outer side of the expansion sleeve (5) is smaller than the outer diameters of the two ends of the outer side of the expansion sleeve (5).

5. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: The inner diameter of the inner side of the taper hole (12) is equal to the inner diameter of the expansion sleeve (5), and the inner diameter of the outer side of the taper hole (12) is smaller than the inner diameter of the inner side of the taper hole (12).

6. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: A plurality of circularly arranged expansion grooves (13) are arranged on the side wall of the end of the expansion sleeve (5) provided with the taper hole (12), and the expansion grooves (13) extend along the axial direction of the expansion sleeve (5).

7. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: Two symmetrical clamping surfaces are arranged on the outer wall of the end of the expansion sleeve (5) provided with the internal thread (11), and the clamping surfaces are parallel to the axis of the expansion sleeve (5).

8. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: The outer diameter of the connecting section (15) is smaller than the outer diameters of the handle section (14) and the threaded section (16), the outer diameter of the transition section (17) is smaller than the outer diameter of the threaded section (16), the outer diameter of the end of the conical section (18) connected to the transition section (17) is equal to the outer diameter of the transition section (17), and the outer diameter of the end of the conical section (18) away from the transition section (17) is smaller than the outer diameter of the end of the conical section (18) connected to the transition section (17).

9. The tooling for split pin seat of hydraulic support structure member according to claim 1, characterized in that: A plug-in hole is arranged on the handle section (14), and the handle (7) is inserted into the plug-in hole of the handle section (14) of the top cone (6).

10. The tooling for split pin seat of hydraulic support structure member according to claim 1, wherein: An external thread is arranged on the outer wall of the threaded section (16).