CN210659317U - Steel bar cushion block placing tool - Google Patents
Steel bar cushion block placing tool Download PDFInfo
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- CN210659317U CN210659317U CN201921140892.XU CN201921140892U CN210659317U CN 210659317 U CN210659317 U CN 210659317U CN 201921140892 U CN201921140892 U CN 201921140892U CN 210659317 U CN210659317 U CN 210659317U
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- bolt
- rigid sleeve
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- ball bearing
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Abstract
The utility model provides a tool for placing a steel bar cushion block, which belongs to the technical field of building engineering and structurally comprises an outer sleeve component and an inner penetrating component, wherein the outer sleeve component is provided with a vertical rigid sleeve, the top end of the rigid sleeve is coaxially and fixedly connected with a nut, and two opposite side surfaces of the nut are respectively and fixedly connected with a rotating handle; the bottom end of the rigid sleeve is fixedly matched with a self-aligning ball bearing, the outer wall of the outer ring of the self-aligning ball bearing is fixedly connected with upper steel pressing plates on two opposite sides in the radial direction respectively, the top end of a bolt of an internal penetrating component penetrates upwards into the rigid sleeve from the bottom pipe orifice of the rigid sleeve, and the external thread section of the upper top section of the bolt is screwed into the screw hole of the nut from bottom to top and extends upwards to form an external thread surplus section extending out of the nut. The utility model is suitable for a be used for placing the reinforcing bar cushion in the face reinforcing bar work progress, do not have destruction to the template, concrete placement completion face is level; the labor is saved; the construction is completed in one step, the time is saved, and the construction efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the building engineering technique and specifically relates to a reinforcing bar cushion placing tool.
Background
At present, a steel bar protection layer is used as an important technical index in a main body structure, and the minimum thickness of the protection layer is specified in order to enable a concrete structural member to meet the requirements of durability and effective anchoring of stressed steel bars. The reinforcing bar exposes in atmosphere or other medium, and easy the corrosion rusts for the effective cross-section of reinforcing bar reduces, influences the structure atress, consequently needs the concrete protective layer minimum thickness of different service environment of regulation according to the durability requirement, does not take place the corrosion that reduces the structure reliability with the reinforcing bar of assurance component in design service life. The control of the reinforcing steel bar protective layer becomes an important control key point in the field construction process, and a large number of cushion blocks are crushed and lost during concrete pouring due to factors such as alternate operation, finished product protection, cushion block strength and the like. The conventional reinforcement worker supplement cushion block generally adopts a reinforcement crowbar, the stress point of the reinforcement crowbar is too small, the quality of a reinforcement mesh is large, the damage of a template is easily caused in the construction process, the concrete forming quality is influenced, the contact position is unstable, and the construction efficiency is low.
Disclosure of Invention
The technical task of the utility model is to solve the not enough of prior art, provide a reinforcing bar cushion placing tool.
The technical proposal of the utility model is realized in the following way that the utility model relates to a tool for placing a steel bar cushion block, which comprises an outer sleeve component and an inner wearing component,
the outer sleeve component is provided with a vertical rigid sleeve, the top end of the rigid sleeve is coaxially and fixedly connected with a nut, the center of the nut is provided with a screw hole, and two opposite side surfaces of the nut are respectively and fixedly connected with a rotating handle;
the hole diameter of the screw hole of the nut is smaller than the inner diameter of the rigid sleeve;
the bottom end of the rigid sleeve is fixedly matched with an aligning ball bearing, an outer ring raceway of the aligning ball bearing is spherical, and the bottom end section of the rigid sleeve is fixedly nested and matched with an inner ring inner periphery of the aligning ball bearing;
the two opposite sides of the outer ring outer wall of the self-aligning ball bearing in the radial direction are respectively and fixedly connected with upper steel pressing plates, the two upper steel pressing plates are arranged in the same plane, and the bottom surfaces of the two upper steel pressing plates jointly form an upper pressing surface;
the inner penetrating component is provided with a vertical bolt, the upper section of the bolt is provided with an external thread which is matched with the internal thread of the nut screw hole, the bottom end of the bolt is fixedly connected with a pressing steel plate, and the pressing steel plate is perpendicular to the bolt; the top surface of the pressing steel plate forms a pressing surface;
the outer diameter of the bolt is smaller than the inner diameter of the rigid sleeve;
the top end of a bolt of the internal penetrating member penetrates into the rigid sleeve from the bottom end pipe orifice of the rigid sleeve upwards, and an external thread section of the upper top section of the bolt is screwed into a screw hole of the nut from bottom to top in a threaded manner and extends upwards to form an external thread residual section extending out of the nut;
the bolt at the lower section of the external thread section of the bolt is set to be a smooth section, and the length of the smooth section is smaller than that of the rigid sleeve; the total length of the bolt is greater than the length of the rigid sleeve;
the inner penetrating member penetrates into the outer sleeve member to form a whole piece, and a steel bar cushion block clamping part is formed between the upper pressing surface and the lower pressing surface.
The rigid sleeve and the bolt are coaxially sleeved.
And a section of the bottom end of the rigid sleeve is in interference fit and is in expanding connection with the inner ring surface of the inner ring of the self-aligning ball bearing.
And the inner ring of the self-aligning ball bearing and the outer wall seam of one section of the bottom end of the rigid sleeve are welded and fixed.
The plane of the two upper pressing steel plates is parallel to the end face of the outer ring of the self-aligning ball bearing.
The bottom surfaces of the two upper pressing steel plates are flush with the bottom end surface of the outer ring of the self-aligning ball bearing.
The bottom end of the bolt is fixedly welded with a pressing steel plate, and the welding point is arranged at the center of the pressing steel plate.
Compared with the prior art, the utility model produced beneficial effect is:
the utility model discloses a placing tool for steel bar cushion block is applicable to placing that is used for steel bar cushion block in the face reinforcing bar work progress, possesses following advantage:
1. the template is not damaged, and the concrete pouring finish surface is smooth;
2. one constructor can independently complete construction, so that the labor is saved;
3. the construction is completed in one step, so that the time is saved, and the construction efficiency is improved;
4. can be disassembled, has small volume and is convenient to carry.
The utility model discloses a reinforcing bar cushion placing tool utilizes the steel bar cushion clamping part between steel sheet and the lower pressure steel sheet of last holding plate, carries out the centre gripping to the reinforcing bar cushion. The clamping action is rotated by rotating the handle, under the effect of self-aligning ball bearing, the steel bar cushion is clamped by the upper pressing steel plate and the lower pressing steel plate to be kept still (the upper pressing steel plate can be interfered by human external force, the steel bar cushion and the lower pressing steel plate are not moved), the handle is rotated through rotation, the nut is enabled to feed downwards in the external thread section of the bolt, the upper pressing steel plate is enabled to walk downwards, clamping force is applied to the steel bar cushion, the steel bar cushion after clamping is deformed by extrusion force, the proper position is convenient to place, after the placement is finished, the handle is rotated in a reverse rotation mode, the upper pressing steel plate is enabled to withdraw, the downforce is released, the steel bar cushion is placed in the placed position, the downward force is separated from the steel bar cushion placing tool, the whole steel bar cushion placing tool.
The utility model discloses a reinforcing bar cushion placing tool reasonable in design, simple structure, safe and reliable, convenient to use, easy to maintain have fine using value widely.
Drawings
FIG. 1 is a schematic view of the general assembly structure of the present invention;
FIG. 2 is a schematic structural view of a jacket member according to the present invention;
fig. 3 is a schematic structural view of the inner wearing member of the present invention.
The reference numerals in the drawings denote:
1. an outer sleeve component 2 and an inner penetrating component,
3. a rigid sleeve 4, a nut 5, a screw hole 6 and a rotating handle,
7. a self-aligning ball bearing 8, an outer ring, 9 and an inner ring,
10. an upper pressing steel plate 11, an upper pressing surface,
12. a bolt 13, an external thread 14, a pressing steel plate 15, a pressing surface,
16. the external thread surplus section 17, the plain noodles section 18, the reinforcing bar cushion clamping part.
Detailed Description
The following detailed description will be made of a tool for placing a steel bar cushion block according to the present invention with reference to the accompanying drawings.
As shown in the attached drawings, the structure of the tool for placing the steel bar cushion block of the utility model comprises an outer sleeve component 1 and an inner wearing component 2,
the outer sleeve member 1 is provided with a vertical rigid sleeve 3, the top end of the rigid sleeve 3 is coaxially and fixedly connected with a nut 4, the center of the nut 4 is provided with a screw hole 5, and two opposite side surfaces of the nut are respectively and fixedly connected with a rotating handle 6;
the hole diameter of the screw hole of the nut is smaller than the inner diameter of the rigid sleeve;
the bottom end of the rigid sleeve 3 is fixedly matched with a self-aligning ball bearing 7, an outer ring 8 raceway of the self-aligning ball bearing is spherical, and the bottom end section of the rigid sleeve 3 is fixedly nested and matched with the inner periphery of an inner ring 9 of the self-aligning ball bearing; preferably: and a section of the bottom end of the rigid sleeve is in interference fit and is in expanding connection with the inner ring surface of the inner ring of the self-aligning ball bearing. And the inner ring of the self-aligning ball bearing and the outer wall seam of one section of the bottom end of the rigid sleeve are welded and fixed.
The two opposite sides of the outer ring outer wall of the self-aligning ball bearing 7 in the radial direction are respectively and fixedly connected with upper steel pressing plates 10, the two upper steel pressing plates are arranged in the same plane, and the bottom surfaces of the two upper steel pressing plates jointly form an upper pressing surface 11;
two outer lane terminal surfaces that go up pressure steel sheet place plane and self-aligning ball bearing parallel, preferably: the bottom surfaces of the two upper pressing steel plates are flush with the bottom end surface of the outer ring of the self-aligning ball bearing.
The internally-penetrated component 2 is provided with a vertical bolt 12, the upper section of the bolt is provided with an external thread 13 which is matched with the internal thread of the screw hole of the nut, the bottom end of the bolt is fixedly connected with a lower pressing steel plate 14, and the lower pressing steel plate is vertically arranged with the bolt; the top surface of the pressing steel plate forms a pressing surface 15;
preferably: the bottom end of the bolt is fixedly welded with a pressing steel plate, and the welding point is arranged at the center of the pressing steel plate.
The outer diameter of the bolt is smaller than the inner diameter of the rigid sleeve;
the top end of a bolt of the internal penetrating component penetrates upwards into the rigid sleeve from the orifice at the bottom end of the rigid sleeve, and the rigid sleeve and the bolt are coaxially arranged in a penetrating manner.
The external thread section of the upper top section of the bolt is screwed into the screw hole of the nut from bottom to top and extends upwards to be an external thread surplus section 16 extending out of the nut;
the bolt at the lower section of the external thread section of the bolt is set as a smooth section 17, and the length of the smooth section is less than that of the rigid sleeve; the total length of the bolt is greater than the length of the rigid sleeve;
the inner member is inserted into the outer member to form a whole, and a steel bar cushion block clamping part 18 is formed between the upper pressing surface and the lower pressing surface.
The utility model discloses a reinforcing bar cushion placing tool:
the upper pressing steel plate adopts two finished products 100mm multiplied by 100mm steel plates with 3mm holes.
The bolt is an M16 bolt.
The nut is an M16 hexagonal nut.
The rigid casing adopts a circular steel casing.
The rotating handle is made of 12 round steel, and two 30cm long diameter 12 round steel are welded on the M16 hexagonal nut in an opposite mode.
And (3) the self-aligning ball bearing is welded with the finished perforated steel plate 1 in a clearance joint mode, and the rotating handle and the self-aligning ball bearing are connected through a circular steel sleeve to form the component 1.
And welding the M16 bolt and the finished upper pressing steel plate to form an inner penetrating member.
And combining the outer sleeve member and the inner penetrating member to form the novel steel bar cushion block placing tool.
Claims (7)
1. A tool for placing a steel bar cushion block is characterized by comprising an outer sleeve component and an inner penetrating component,
the outer sleeve component is provided with a vertical rigid sleeve, the top end of the rigid sleeve is coaxially and fixedly connected with a nut, the center of the nut is provided with a screw hole, and two opposite side surfaces of the nut are respectively and fixedly connected with a rotating handle;
the hole diameter of the screw hole of the nut is smaller than the inner diameter of the rigid sleeve;
the bottom end of the rigid sleeve is fixedly matched with an aligning ball bearing, an outer ring raceway of the aligning ball bearing is spherical, and the bottom end section of the rigid sleeve is fixedly nested and matched with an inner ring inner periphery of the aligning ball bearing;
the two opposite sides of the outer ring outer wall of the self-aligning ball bearing in the radial direction are respectively and fixedly connected with upper steel pressing plates, the two upper steel pressing plates are arranged in the same plane, and the bottom surfaces of the two upper steel pressing plates jointly form an upper pressing surface;
the inner penetrating component is provided with a vertical bolt, the upper section of the bolt is provided with an external thread which is matched with the internal thread of the nut screw hole, the bottom end of the bolt is fixedly connected with a pressing steel plate, and the pressing steel plate is perpendicular to the bolt; the top surface of the pressing steel plate forms a pressing surface;
the outer diameter of the bolt is smaller than the inner diameter of the rigid sleeve;
the top end of a bolt of the internal penetrating member penetrates into the rigid sleeve from the bottom end pipe orifice of the rigid sleeve upwards, and an external thread section of the upper top section of the bolt is screwed into a screw hole of the nut from bottom to top in a threaded manner and extends upwards to form an external thread residual section extending out of the nut;
the bolt at the lower section of the external thread section of the bolt is set to be a smooth section, and the length of the smooth section is smaller than that of the rigid sleeve; the total length of the bolt is greater than the length of the rigid sleeve;
the inner penetrating member penetrates into the outer sleeve member to form a whole piece, and a steel bar cushion block clamping part is formed between the upper pressing surface and the lower pressing surface.
2. A rebar spacer placement tool as set forth in claim 1, wherein: the rigid sleeve and the bolt are coaxially sleeved.
3. A rebar spacer placement tool as set forth in claim 1, wherein: and a section of the bottom end of the rigid sleeve is in interference fit and is in expanding connection with the inner ring surface of the inner ring of the self-aligning ball bearing.
4. A rebar spacer placement tool as set forth in claim 3, wherein: and the inner ring of the self-aligning ball bearing and the outer wall seam of one section of the bottom end of the rigid sleeve are welded and fixed.
5. A rebar spacer placement tool as set forth in claim 1, wherein: the plane of the two upper pressing steel plates is parallel to the end face of the outer ring of the self-aligning ball bearing.
6. A rebar spacer placement tool as set forth in claim 5, wherein: the bottom surfaces of the two upper pressing steel plates are flush with the bottom end surface of the outer ring of the self-aligning ball bearing.
7. A rebar spacer placement tool as set forth in claim 1, wherein: the bottom end of the bolt is fixedly welded with a pressing steel plate, and the welding point is arranged at the center of the pressing steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140892.XU CN210659317U (en) | 2019-07-19 | 2019-07-19 | Steel bar cushion block placing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921140892.XU CN210659317U (en) | 2019-07-19 | 2019-07-19 | Steel bar cushion block placing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210659317U true CN210659317U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921140892.XU Active CN210659317U (en) | 2019-07-19 | 2019-07-19 | Steel bar cushion block placing tool |
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| Country | Link |
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| CN (1) | CN210659317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894220A (en) * | 2020-08-04 | 2020-11-06 | 王南南 | Building material installation device |
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2019
- 2019-07-19 CN CN201921140892.XU patent/CN210659317U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894220A (en) * | 2020-08-04 | 2020-11-06 | 王南南 | Building material installation device |
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