Crosshead mounting tool for bearing cap of lead screw support

Abstract

The utility model discloses a lead screw support bearing cap crosshead mounting tool, which belongs to the technical field of mounting tools and comprises a crosshead rotating head, four screws are detachably connected onto the crosshead rotating head, the bottom ends of the four screws are fixedly connected with cylindrical heads, and the four cylindrical heads penetrate to the lower side of the crosshead rotating head. The top end of the cross-shaped rotating head is fixedly connected with a wrench connector; according to the utility model, the cross-shaped rotating head is connected with the torque wrench through the wrench connector, and the four screws are mounted on the cross-shaped rotating head and are uniformly distributed around the wrench connector, so that the four cylindrical heads can correspond to the through holes in the bearing cover of the lead screw support, and the four cylindrical heads are inserted into the through holes, so that the bearing cover of the lead screw support can be uniformly stressed during rotation; and meanwhile, the torque wrench is matched with the cross-shaped rotating head and the four cylindrical heads, so that the torque value can be within a required range when the bearing cover is mounted, and the mounting effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to installation tool technical field, more specifically, relate to a screw rod support bearing cover cross head installation tool. BACKGROUND

[0002] Screw rod support bearing, also called screw rod bearing or screw rod support, is a kind of special bearing, mainly used to support the operation of screw rod, and plays the role of supporting, positioning and guiding, this kind of bearing not only can bear axial load, but also can bear certain radial load and tilting moment, it has wide application in mechanical transmission process, especially in the occasion needing to realize high-precision linear motion transmission.

[0003] At present, bearing cover is usually installed on screw rod support bearing, bearing cover protects bearing from external pollution, and keeps lubricant inside bearing, bearing cover is generally installed using clamp spring pliers, clamp spring pliers are scissors type, one end is provided with two cylindrical heads, bearing end cover is tightened by adjusting opening and closing angle using two cylindrical heads, however, clamp spring pliers have only two cylindrical heads, screw rod support bearing cover is tightened in the process of uneven force, cylindrical head is prone to breakage when force is too large, leading to clamp spring pliers being scrapped, and the torsional value of bearing cover cannot be determined in the tightening process, which can easily lead to the torsional value exceeding the required range, affecting the protection effect of screw rod support bearing, therefore, the utility model provides a screw rod support bearing cover cross head installation tool. UTILITARY MODEL CONTENT

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the utility model aims at providing a screw rod support bearing cover cross head installation tool, which aims at solving the problems that clamp spring pliers have only two cylindrical heads in the prior art, screw rod support bearing cover is tightened in the process of uneven force, cylindrical head is prone to breakage when force is too large, leading to clamp spring pliers being scrapped, and the torsional value of bearing cover cannot be determined in the tightening process, which can easily lead to the torsional value exceeding the required range, affecting the protection effect of screw rod support bearing.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme:

[0008] A screw rod support bearing cover cross head installation tool, including cross rotating head, the cross rotating head is detachably connected with four screws, the bottom end of four screws is fixedly connected with cylindrical head, and four cylindrical heads all penetrate to the downside of cross rotating head, the top end of cross rotating head is fixedly connected with spanner connecting head.

[0009] As one preferred scheme of the utility model, the wrench connector is located at the top middle part of the cross rotating head, and four screws are evenly distributed around the central axis of the wrench connector.

[0010] As one preferred scheme of the utility model, four threaded holes are formed in the cross rotating head, and four screws are respectively threadedly connected in the four threaded holes.

[0011] As one preferred scheme of the utility model, the top end of each of the four screws is fixedly connected with a convex head, and the four convex heads are respectively located on the upper side of the four threaded holes.

[0012] As one preferred scheme of the utility model, the diameter of each of the four convex heads is greater than the hole diameter of the four threaded holes, and the bottom end of each of the four convex heads is in contact with the top end of the cross rotating head.

[0013] As one preferred scheme of the utility model, a one-word slot is formed in the top end of each of the four convex heads.

[0014] As one preferred scheme of the utility model, the cross rotating head, the four cylindrical heads and the wrench connector are all made of chrome-molybdenum steel.

[0015] As one preferred scheme of the utility model, the length of each of the four cylindrical heads is the same, and the bottom end of each of the four cylindrical heads is located in the same horizontal plane.

[0016] As one preferred scheme of the utility model, the wrench connector is a hexagonal connecting rod.

[0017] As one preferred scheme of the utility model, the bottom end of each of the four cylindrical heads and the top end of the wrench connector are provided with a taper angle.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] (1) In the scheme, the cross rotating head is connected with the torque wrench through the wrench connector, four screws are evenly distributed around the wrench connector and installed on the cross rotating head, the four cylindrical heads can correspond to the through holes on the screw support bearing cover, the screw support bearing cover can be uniformly stressed when the four cylindrical heads are inserted into the through holes, the installation is more convenient, meanwhile, the torque wrench, the cross rotating head and the four cylindrical heads can make the torque value of the bearing cover during installation within the required range, and the installation effect is guaranteed.

[0021] (2) In the scheme, when the cylindrical head is broken, the corresponding screw is replaced to replace the cylindrical head, so that the entire installation tool is not scrapped, and the cost is effectively reduced. DRAWINGS

[0022] Fig. 1 is a front view of the utility model;

[0023] Fig. 2 is a perspective view of the utility model;

[0024] Fig. 3 is an exploded view of the utility model.

[0025] Explanation of reference numerals in the drawing:

[0026] 1, cross rotating head; 2, screw; 3, cylindrical head; 4, wrench connecting head; 5, threaded hole; 6, convex head; 7, slot. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Embodiment:

[0031] Please refer to Figs. 1-3The application discloses a cross head mounting tool for a screw rod support bearing cover, which comprises a cross rotating head 1, four screws 2 are detachably connected to the cross rotating head 1, the bottom ends of the four screws 2 are fixedly connected with four cylindrical heads 3, the four cylindrical heads 3 penetrate through the lower side of the cross rotating head 1, and a wrench connecting head 4 is fixedly connected to the top end of the cross rotating head 1.

[0032] In the embodiment, the four screws 2 are mounted on the cross rotating head 1, the four cylindrical heads 3 penetrate through the lower side of the cross rotating head 1, and the wrench connecting head 4 is connected with a torque wrench; when the screw rod support bearing cover is mounted, the four cylindrical heads 3 are inserted into the through holes of the screw rod support bearing cover, the torque wrench is used to rotate the cross rotating head 1, the four cylindrical heads 3 drive the screw rod support bearing cover to be tightened, and the torque value of the screw rod support bearing cover can be ensured to be within a required range.

[0033] Specifically, the wrench connecting head 4 is located at the middle part of the top end of the cross rotating head 1, and the four screws 2 are uniformly distributed around the central axis of the wrench connecting head 4.

[0034] In the embodiment, the four screws 2 are uniformly distributed around the wrench connecting head 4, so that the four cylindrical heads 3 can be uniformly stressed when the four cylindrical heads 3 drive the screw rod support bearing cover to rotate, and the fastening effect is ensured.

[0035] Specifically, four threaded holes 5 are formed in the cross rotating head 1, and the four screws 2 are threadedly connected in the four threaded holes 5.

[0036] In the embodiment, the four screws 2 are mounted on the cross rotating head 1 through the four threaded holes 5, and the four threaded holes 5 and the four screws 2 are threadedly connected, so that the four screws 2 can be quickly replaced.

[0037] Specifically, the top end of each of the four screws 2 is fixedly connected with a convex head 6, and the four convex heads 6 are located at the upper side of the four threaded holes 5.

[0038] In the embodiment, the four convex heads 6 cooperate with a screwdriver to quickly disassemble and assemble the four screws 2 in the four threaded holes 5, so that the four screws 2 can be conveniently replaced.

[0039] Specifically, the diameter of each of the four convex heads 6 is greater than the hole diameter of each of the four threaded holes 5, and the bottom end of each of the four convex heads 6 is in contact with the top end of the cross rotating head 1.

[0040] In the embodiment, the diameter of each of the four convex heads 6 is greater than the hole diameter of each of the four threaded holes 5, so that the four convex heads 6 can be in contact with the cross rotating head 1 to limit the four screws 2 when the four screws 2 are threadedly connected into the four threaded holes 5, and the height of the four cylindrical heads 3 can be kept consistent.

[0041] Specifically, a T-shaped groove 7 is formed in the top end of each of the four convex heads 6.

[0042] In the embodiment, the four convex heads 6 are matched with the screwdriver to disassemble and assemble the four screws 2, so that the four screws 2 are conveniently replaced.

[0043] Specifically, the cross rotating head 1, the four cylindrical heads 3 and the wrench connecting head 4 are made of chrome-molybdenum steel.

[0044] In the embodiment, the cross rotating head 1, the four cylindrical heads 3 and the wrench connecting head 4 made of chrome-molybdenum steel have high strength and durability, are suitable for high-strength and heavy work, can well resist rust and wear, and have long service life.

[0045] Specifically, the four cylindrical heads 3 have the same length, and the bottom ends of the four cylindrical heads 3 are located in the same horizontal plane.

[0046] In the embodiment, the consistent bottom ends of the four cylindrical heads 3 are convenient for being inserted into the through hole of the screw rod support bearing cover, and force uniformity is ensured when the screw rod support bearing cover is installed.

[0047] Specifically, the wrench connecting head 4 adopts a hexagonal connecting rod.

[0048] In the embodiment, the hexagonal connecting rod can be matched with the sleeve of the torque wrench, so that the wrench connecting head 4 is conveniently connected with the torque wrench.

[0049] Specifically, the bottom end of the four cylindrical heads 3 and the top end of the wrench connecting head 4 are both provided with a taper angle.

[0050] In the embodiment, the taper angle design can guide the cylindrical head 3 to be inserted into the through hole of the screw rod support bearing cover, and guide the wrench connecting head 4 to be aligned with the sleeve when the wrench connecting head 4 is connected with the torque wrench, so that the accurate position of insertion is ensured.

[0051] Working principle: The four screws 2 are installed in the cross rotating head 1 through the four threaded holes 5, the wrench connecting head 4 is connected with the torque wrench, when the screw rod support bearing cover is tightened and fixed, the four cylindrical heads 3 are inserted into the screw rod support bearing cover, the torque wrench is used to rotate the cross rotating head 1, so that the four cylindrical heads 3 drive the screw rod support bearing cover to rotate and tighten, and the torque value is ensured.

[0052] The above merely describes the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A crosshead installation tool for a lead screw support bearing cover, comprising a crosshead rotating head (1), characterized in that: The cross-shaped rotating head (1) is detachably connected to four screws (2), and the bottom ends of the four screws (2) are all fixedly connected to cylindrical heads (3), and the four cylindrical heads (3) all penetrate to the lower side of the cross-shaped rotating head (1). The top end of the cross-shaped rotating head (1) is fixedly connected to a wrench connector (4).

2. The crosshead installation tool for a lead screw support bearing cover according to claim 1, characterized in that: The wrench connector (4) is located at the top center of the cross-shaped rotating head (1), and four screws (2) are evenly distributed around the central axis of the wrench connector (4).

3. The crosshead installation tool for a lead screw support bearing cover according to claim 2, characterized in that: The cross-shaped rotating head (1) has four threaded holes (5), and four screws (2) are threaded into the four threaded holes (5) respectively.

4. The crosshead installation tool for a lead screw support bearing cover according to claim 3, characterized in that: Each of the four screws (2) has a protrusion (6) fixedly connected to its top, and the four protrusions (6) are located on the upper side of the four threaded holes (5).

5. The crosshead installation tool for a lead screw support bearing cover according to claim 4, characterized in that: The diameter of the four protrusions (6) is greater than the diameter of the four threaded holes (5), and the bottom of the four protrusions (6) is in contact with the top of the cross rotating head (1).

6. The crosshead installation tool for a lead screw support bearing cover according to claim 5, characterized in that: Each of the four protrusions (6) has a slot (7) at its top.

7. The crosshead installation tool for a lead screw support bearing cover according to claim 6, characterized in that: The cross-shaped rotating head (1), the four cylindrical heads (3) and the wrench connector (4) are all made of chromium-molybdenum steel.

8. The crosshead installation tool for a lead screw support bearing cover according to claim 7, characterized in that: The four cylindrical heads (3) are of the same length, and the bottom ends of the four cylindrical heads (3) are located in the same horizontal plane.

9. The crosshead installation tool for a lead screw support bearing cover according to claim 8, characterized in that: The wrench connector (4) uses a hexagonal connecting rod.

10. A crosshead installation tool for a lead screw support bearing cover according to claim 9, characterized in that: The bottom ends of the four cylindrical heads (3) and the top end of the wrench connector (4) are all provided with a cone angle.

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