CN210889630U

CN210889630U - Foundation bolt fastening device

Info

Publication number: CN210889630U
Application number: CN201921357639.XU
Authority: CN
Inventors: 杨超; 陈超; 韩旭
Original assignee: MCC Tiangong Group Tianjin Corp Ltd
Current assignee: MCC Tiangong Group Tianjin Corp Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-06-30
Anticipated expiration: 2029-08-21

Abstract

The utility model provides a foundation bolt fastening device, which comprises an auxiliary part, a fixing component and a supporting part, wherein the auxiliary part is arranged on the upper end surface of the base and is horizontally arranged with the base side by side; the fixing components are symmetrically arranged on the upper side and the lower side of the auxiliary part; the supporting piece is arranged between the auxiliary piece and the base, the lower end face of the supporting piece is in contact with the upper end face of the base, and the upper end face of the supporting piece is in contact with the lower end face of the auxiliary piece; the foundation bolt is arranged to penetrate through the fixing assembly, the auxiliary piece and the base in sequence. The utility model discloses a fastener especially is fit for great rag bolt's fixed mounting, and simple structure, easily operation and commonality are strong, can make rag bolt fix on equipment base fast accurately, satisfy pretightning force of pretension bolt, save artifically, improve work efficiency, and save economic resources.

Description

Foundation bolt fastening device

Technical Field

The utility model belongs to the technical field of equipment fixing auxiliary device, especially, relate to a rag bolt fastener.

Background

At present, along with the rapid development of the Chinese metallurgical industry, large and small-sized precision equipment at home and abroad is introduced, the precision requirements on equipment manufacturing and installation are higher and higher, the precision requirements are more and more precise, a crown block is usually adopted to be matched with a chain block and a hammer to fasten when a rolling mill base is adjusted, the fastening of a bolt is ensured, but the pretightening force of the bolt cannot be measured, and a novel and labor-saving special fastening tool needs to be developed for ensuring the pretightening force of the foundation bolt.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide a rag bolt fastener especially is fit for great rag bolt's fixed mounting, the utility model relates to a fastener, simple structure, easily operation and commonality are strong, can make rag bolt fix on equipment base fast accurately, satisfy the pretightning force of pretightning bolt, save the manual work, improve work efficiency, and save economic resources.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a foundation bolt fastening device comprises an auxiliary piece, a fixing component and a supporting piece, wherein the auxiliary piece is arranged on the upper end face of a base and is horizontally arranged side by side with the base; the fixing components are symmetrically arranged on the upper side and the lower side of the auxiliary part; the supporting piece is arranged between the auxiliary piece and the base, the lower end face of the supporting piece is in contact with the upper end face of the base, and the upper end face of the supporting piece is in contact with the lower end face of the auxiliary piece; the foundation bolt is arranged to penetrate through the fixing assembly, the auxiliary piece and the base in sequence.

Furthermore, the auxiliary part comprises a body, the body is of a rectangular structure, and the width of the body is larger than the outer diameter of the fixing component; the center of the body is provided with a through hole, and the inner diameter of the through hole is matched with the foundation bolt.

Furthermore, two handrails are arranged on the upper end surface of the body, are symmetrically arranged on two sides of the through hole and are positioned on a central axis in the length direction of the body; the distance between the handrails is greater than the outer diameter of the fixing assembly.

Furthermore, four reinforcing ribs with the same structure are further arranged on the upper end face of the body, the reinforcing ribs are respectively arranged on the central diagonal lines of the four corners of the body, and the directions of the extension lines of the reinforcing ribs all point to the central position of the body.

Furthermore, the distance between the end, close to the through hole, of the reinforcing rib arranged diagonally is larger than the outer diameter of the fixing assembly.

Further, fixed subassembly includes first mounting and second mounting, first mounting with the second mounting all is equipped with the internal thread through-hole, the internal thread with rag screw thread external screw thread looks adaptation.

Further, the first fixing piece is arranged above the auxiliary piece and is in contact with the upper end face of the auxiliary piece; the second fixing piece is arranged below the auxiliary piece and is respectively in contact with the lower end face of the auxiliary piece and the upper end face of the base.

Furthermore, the supporting piece is arranged at one end, far away from the foundation bolt, of the auxiliary piece and is positioned on a central axis of the auxiliary piece in the length direction; a gap is arranged between the supporting piece and the fixing component.

Furthermore, the supporting pieces are jacks, and the number of the supporting pieces is two.

Further, the supporting piece is arranged symmetrically to the foundation bolt.

The utility model discloses a fastener especially is fit for great rag bolt's fixed mounting, and simple structure, easily operation and commonality are strong, can make rag bolt fix on equipment base fast accurately, not only can satisfy pretightning force of pretension bolt, but also can save the manual work, improve work efficiency, save economic resources.

Drawings

Fig. 1 is a schematic structural view of a foundation bolt fastening device according to an embodiment of the present invention;

fig. 2 is a top view of a foundation bolt fastening device according to an embodiment of the present invention.

In the figure:

10. anchor bolt 20, fixing assembly 21 and first fixing piece

22. Second fixing member 30, auxiliary member 31, and main body

32. Handrail 33, reinforcing rib 40, and support member

50. Base seat

Detailed Description

The invention will be further explained with reference to the following examples and drawings:

an embodiment of the present invention relates to a foundation bolt fastening device, as shown in fig. 1-2, including an auxiliary member 30, a fixing component 20 and a supporting member 40, the auxiliary member 30 is disposed on the upper end surface of the device base 50 and is horizontally disposed side by side with the base 50. The fixing assemblies 20 are symmetrically disposed at upper and lower sides of the auxiliary member 30. The support member 40 is disposed between the auxiliary member 30 and the base 50 and a lower end surface of the support member 40 is in contact with an upper end surface of the base 50, and an upper end surface of the support member 40 is in contact with a lower end surface of the auxiliary member 30. The anchor bolt 10 is sequentially provided through the fixing assembly 20, the auxiliary member 30 and the base 50.

Specifically, the fixing assembly 20 includes a first fixing member 21 and a second fixing member 22, and the first fixing member 21 and the second fixing member 22 are both provided with an internal thread through hole, and the internal thread is matched with the external thread of the anchor thread 10. Preferably, the first fixing member 21 and the second fixing member 22 are each a standard nut, which is matched with the anchor thread 10. The first fixing member 21 is disposed above the auxiliary member 30 and is in contact with the upper end surface of the auxiliary member 30, and the second fixing member 22 is disposed below the auxiliary member 30 and is in contact with the lower end surface of the auxiliary member 30 and the upper end surface of the base 50, respectively.

Further, the auxiliary member 30 includes a body 31, and the body 31 has a rectangular structure and is cut from a steel plate. The thickness of the steel plate is selected according to the size of the anchor bolt 10, and in general, the thickness δ of the tool steel plate for bolt selection equal to or less than M72 is 35mm, and the thickness δ of the tool steel plate for bolt selection equal to or more than M80 is 60 mm. The width of the body 31 is greater than the outer diameter of the fixing member 20; a through hole is formed in the center of the body 31, and the inner diameter of the through hole is matched with the outer diameter of the foundation bolt 10. Preferably, the diameter of the through hole is larger than the outer diameter of the anchor bolt 10, and since the auxiliary member 30 only assists in fastening and adjusting the anchor bolt 10, the anchor bolt 10 and the fixing member 20 can be fastened without being fixedly matched with the anchor bolt 10.

Furthermore, two handrails 32 are disposed on the upper end surface of the body 31, and the handrails 32 may be formed by bending steel bars with a U-shaped structure, which is a structure commonly used in the art and is omitted from the front view. The armrests 32 are symmetrically disposed on both sides of the through-hole, i.e., both sides of the anchor bolt 10, and are located on a central axis of the body 31 in a length direction. Wherein the distance between the handrails 31 is larger than the outer diameter of the fixing assembly 20, especially the outer diameter of the first fixing member 21, so as to avoid the handrails interfering with the cooperation of the first fixing member 21 with the anchor bolt 10.

Furthermore, four reinforcing ribs 33 having the same structure are further disposed on the upper end surface of the main body 31, the reinforcing ribs 33 are disposed on the center diagonal lines of the four corners of the main body 31, and the directions of the extension lines of the reinforcing ribs 33 all point to the center position of the main body 31. The distance between the reinforcing ribs 33 arranged diagonally and close to one end of the through hole is larger than the outer diameter of the first fixing part, and preferably, the reinforcing ribs at four corners are 3mm away from the outer diameter of the first fixing part.

Further, the supporting member 40 is disposed at an end of the auxiliary member 30 away from the anchor bolt 10 and on a central axis of the auxiliary member 30 in a length direction thereof, and a gap is provided between the supporting member 40 and the fixing member 20. Preferably, the support members 40 are hydraulic jacks, two in number, and are provided symmetrically to the anchor bolts 10. Wherein, each jack is provided with a 50T pressure gauge or a 100T pressure gauge, and the range of the pressure gauge can be selected according to the bolt pretightening force.

The use method of the foundation bolt fastening device adopts the fastening device, and comprises the following steps:

s1: the auxiliary member 30 is manufactured.

S2: the second fixing member 22 is screw-fitted to the anchor bolt 10, and the second fixing member 22 is screwed to the upper end surface of the foundation 50.

S3: two supporting members 40 are provided on the outer side of the second fixing member 22, and are located on the central axis of the auxiliary member 30 in the longitudinal direction, and a gap is provided between the supporting members 40 and the fixing member 20. The auxiliary member 30 is inserted through the anchor bolt 10 and placed horizontally on the upper end surfaces of the two support members 40.

S4: the first fixing member 21 is engaged with the anchor bolt 10, and the first fixing member 21 is screwed to the upper end surface of the auxiliary 30.

S5: the supporting member 40 is manually adjusted to jack up the auxiliary member 30, the auxiliary member 30 drives the anchor bolt 10 to be lifted up together, and meanwhile, the caliper is matched with the second fixing member 22 to gradually screw down and fix the second fixing member 22, and the caliper is arranged to be close to the upper end face of the base 50. The supporting pressure of the supporting member 40 can be calculated according to the pretightening force of the anchor bolt 10, and it is ensured that the supporting pressure is not less than the pretightening force, and then the fastening of the fastening bolt 10 is completed.

This technical scheme has following advantage and beneficial effect: the utility model discloses a fastener especially is fit for great rag bolt's fixed mounting, and simple structure, easily operation and commonality are strong, can make rag bolt fix on equipment base fast accurately, not only can satisfy pretightning force of pretension bolt, but also can save the manual work, improve work efficiency, save economic resources.

The foregoing describes in detail a rag bolt fastening tool provided in an embodiment of the present application. The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, different manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion/inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The device for fastening the foundation bolt is characterized by comprising an auxiliary part, a fixing component and a supporting part, wherein the auxiliary part is arranged on the upper end surface of a base and is horizontally arranged side by side with the base; the fixing components are symmetrically arranged on the upper side and the lower side of the auxiliary part; the supporting piece is arranged between the auxiliary piece and the base, the lower end face of the supporting piece is in contact with the upper end face of the base, and the upper end face of the supporting piece is in contact with the lower end face of the auxiliary piece; the foundation bolt is arranged to penetrate through the fixing assembly, the auxiliary piece and the base in sequence.

2. The geobolt fastening device of claim 1, wherein the auxiliary member comprises a body, the body is of a rectangular structure, and the width of the body is larger than the outer diameter of the fixing component; the center of the body is provided with a through hole, and the inner diameter of the through hole is matched with the foundation bolt.

3. A rag bolt fastening device according to claim 2, characterized in that two handrails are provided on the upper end surface of the body, the handrails are symmetrically provided on both sides of the through hole and are located on the central axis of the body in the length direction; the distance between the handrails is greater than the outer diameter of the fixing assembly.

4. The anchor bolt fastening device according to claim 3, wherein four reinforcing ribs of the same structure are further provided on the upper end surface of the body, the reinforcing ribs are respectively provided on the central diagonal lines of the four corners of the body, and the directions of the extension lines of the reinforcing ribs are all directed to the central position of the body.

5. A fixing device for a foundation bolt according to claim 4, wherein the distance between the diagonally arranged end of the reinforcing bar near the through hole is larger than the outer diameter of the fixing member.

6. A foundation bolt fastening device according to any one of claims 1-5, wherein the fixing assembly comprises a first fixing member and a second fixing member, the first fixing member and the second fixing member are provided with through holes with internal threads, and the internal threads are matched with the external threads of the foundation bolt.

7. The anchor bolt fastening device according to claim 6, wherein the first fixing member is disposed above the auxiliary member and in contact with an upper end surface of the auxiliary member; the second fixing piece is arranged below the auxiliary piece and is respectively in contact with the lower end face of the auxiliary piece and the upper end face of the base.

8. A fixing device for an anchor bolt according to claim 7, wherein the support member is disposed at an end of the auxiliary member remote from the anchor bolt on a central axis of the auxiliary member in a longitudinal direction thereof; and a gap is arranged between the supporting piece and the second fixing piece.

9. A rag bolt fastening device according to claim 8, characterized in that the support members are jacks, the number of which is two.

10. An anchor bolt fastening device according to claim 9, wherein the support member is provided symmetrically to the anchor bolt.