CN217931159U

CN217931159U - Drawing equipment

Info

Publication number: CN217931159U
Application number: CN202222246945.4U
Authority: CN
Inventors: 张高伟; 万靖波; 宗明建
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-29
Anticipated expiration: 2032-08-25

Abstract

The utility model provides a drawing equipment, establish the overhead centre-penetrating jack of reinforcing bar that exposes in the building element outside including being used for the cover, centre-penetrating jack cylinder body end and the centre-penetrating jack expansion end all peg graft and have vertical arrangement's branch, the branch lower extreme is inserted in the intubate, intubate upper end surface threaded connection has the knob head that is used for restricting branch and intubate relative position, intubate lower extreme fixedly connected with slide, slide slidable mounting is on the base upper surface, the guiding hole has been seted up to the slide surface, the guiding hole is arranged along the length direction of reinforcing bar head, the guiding rod has been inserted to the sliding in the guiding hole, the both ends of guiding rod all with base fixed connection, the utility model discloses following beneficial effect has: the realization supports piercing jack, prevents to drop piercing jack at the drawing in-process, improves the security.

Description

Drawing equipment

Technical Field

The utility model relates to a drawing equipment belongs to the reinforcing bar and draws the field.

Background

The steel bar drawing test is the field detection of the anchoring force of the anchoring body, and generally a steel bar drawing instrument is adopted to carry out the drawing test loading mode on the implanted steel bar after 48-72 hours of steel bar implantation. The center-penetrating jack is one of main parts in the steel bar drawing instrument, the center-penetrating jack is sleeved on a steel bar head wrapping the outer side of a building component, a steel bar anchorage device is arranged at the movable end of the center-penetrating jack, and the steel bar lock is jacked when the center-penetrating jack extends, so that the tensile strength of a planted bar is measured through the steel bar drawing instrument. At present, in the reinforcing steel bar drawing process, the piercing jack lacks support, and when the reinforcing steel bar head breaks away from the building component because of drawing, the piercing jack drops at will because of losing support, leads to piercing jack or other parts impaired easily, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a drawing equipment to solve the problem that proposes in the above-mentioned background art, the utility model discloses realize supporting the jack of punching, prevent to drop at drawing in-process jack of punching, improve the security.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a drawing equipment, establishes including being used for the cover to establish and exposes the penetrating jack on the reinforcing bar head in the building element outside, penetrating jack cylinder body end and penetrating jack expansion end all peg graft and have vertical arrangement's branch, the branch lower extreme is planted in the intubate, intubate upper end surface threaded connection has the knob head that is used for restricting branch and intubate relative position, intubate lower extreme fixedly connected with slide, slide slidable mounting is on the base upper surface, the guiding hole has been seted up to the slide surface, the guiding hole is arranged along the length direction of reinforcing bar head, the guide bar has been planted to the slip in the guiding hole, the both ends of guide bar all with base fixed connection.

Further, threaded holes in vertical arrangement are formed in four corners of the upper surface of the base, a supporting screw is connected to the threaded holes in an internal thread mode, a handle is fixedly connected to the outer surface of the upper end of the supporting screw, and the arm is arranged perpendicular to the supporting screw.

Furthermore, the lower end of the supporting screw is fixedly connected with a conical head, the diameter of the conical head is gradually reduced towards the direction far away from the supporting screw, and the conical head and the supporting screw are integrally formed.

Furthermore, both ends of the guide rod are fixedly connected with connecting plates, and the connecting plates are fixed on the upper surface of the base.

Furthermore, the outer surface of the upper end of the insertion tube is provided with a screw hole communicated with the inner space of the insertion tube, and the screw rod part of the knob head is connected in the screw hole in a threaded manner.

Further, the cylinder body end and the movable end of the center-penetrating jack are both provided with sleeves, and the upper end of the support rod is inserted into the sleeves.

Furthermore, the handle is fixedly connected to the upper portion of the outer surface of the center-penetrating jack, and the handle is of a U-shaped structure.

The utility model has the advantages that:

1. and the reinforcing steel bar head penetrates through the through jack, a reinforcing steel bar anchorage device is sleeved on the reinforcing steel bar head, the cylinder body end of the through jack is in contact with the surface of the building component, the elongation of the through jack is controlled by using a reinforcing steel bar drawing instrument, the reinforcing steel bar anchorage device is jacked by the through jack, and the jacking pressure applied by the reinforcing steel bar anchorage device is applied to the anchoring part of the reinforcing steel bar head and the building component, so that the tensile strength of the reinforcing steel bar head and the building component is detected.

2. According to the length of the height adjustment supporting rod of the piercing jack in the insertion tube, the knob head is utilized to fix the relative position of the supporting rod and the insertion tube, the supporting of the piercing jack is jointly realized by the supporting rod, the insertion tube and the base, and when the reinforcing steel bar head is separated from a building component in the drawing process, the piercing jack is prevented from falling off under the supporting of the supporting rod, the insertion tube and the base, so that the safety is improved.

3. The two support rods are respectively inserted into the cylinder end of the center-penetrating jack and the sleeve on the movable end of the center-penetrating jack, the support rods are inserted into the center-penetrating jack, the center-penetrating jack drives the support rods to move along with the structure formed by the insertion tube when extending, the insertion tube drives the sliding seat to slide on the surface of the base along the guide rods, the distance between the two groups of support rods and the supporting structure formed by the insertion tube is changed at the moment, and the center-penetrating jack is supported in a balanced mode.

4. When the ground that the base was located is uneven, twist the supporting screw in the threaded hole of four corners of base upper surface, make the conical head and the ground contact of supporting screw lower extreme, and then supporting screw plays the clearance of filling between base and the ground, makes the base stably place.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a drawing apparatus of the present invention;

FIG. 2 is a schematic view of the assembly of the slide and the insertion tube in the drawing apparatus of the present invention;

FIG. 3 is a perspective view of a base of a drawing apparatus of the present invention;

FIG. 4 is a schematic view of the assembly of the cone and the supporting screw of the drawing apparatus of the present invention;

in the figure: 1-piercing jack, 2-handle, 3-steel anchorage, 4-steel head, 5-sleeve, 6-support rod, 7-knob head, 8-insertion tube, 9-handle, 10-support screw, 11-connecting plate, 12-base, 13-guide rod, 14-slide seat, 15-building member, 16-guide hole, 17-screw hole, 18-screw hole and 19-conical head.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the present invention provides a technical solution: a drawing device comprises a through jack 1, a U-shaped handle 2 is fixed on the outer surface of the through jack 1, a gripping carrier is provided for taking the through jack 1, a steel bar head 4 penetrates through the through jack 1, a steel bar anchorage device 3 is sleeved on the steel bar head 4, the cylinder body end of the through jack 1 is in contact with the surface of a building component 15, the through jack 1 is controlled to extend by using a steel bar drawing instrument, the through jack 1 is further used for jacking the steel bar anchorage device 3, the jacking pressure applied by the steel bar anchorage device 3 is applied to the anchoring positions of the steel bar head 4 and the building component 15, and the tensile strength of the steel bar head 4 and the building component 15 is detected.

Referring to fig. 1 and 2, vertically arranged support rods 6 are inserted into a sleeve 5 on the cylinder end of a piercing jack 1 and a sleeve 5 on the movable end of the piercing jack 1, so that the two support rods 6 are inserted into the piercing jack 1, the lower end of each support rod 6 is inserted into an insertion tube 8, a screw hole 17 in the outer surface of the upper end of the insertion tube 8 is in threaded connection with a knob head 7, when the knob head 7 is screwed down, a screw part of the knob head 7 enters the insertion tube 8 and is tightly attached to the support rods 6, so that the relative positions of the insertion tube 8 and the support rods 6 are fixed, the length of the support rods 6 in the insertion tube 8 is adjusted according to the height of the piercing jack 1, the relative positions of the support rods 6 and the insertion tube 8 are fixed by using the knob head 7, at the moment, the support rods 6, the insertion tube 8 and a base 12 jointly support the piercing jack 1, and when a reinforcing steel bar head 4 is separated from a building component 15 in the drawing process, the support rods 6, the insertion tube 8 and the piercing jack 1 are prevented from falling, and the safety is improved.

Referring to fig. 1 and 2, a sliding seat 14 slidably mounted on the upper surface of a base 12 is fixedly connected to the lower end of an insertion tube 8, a guide rod 13 is inserted into a guide hole 16 on the outer surface of the sliding seat 14, the guide rod 13 is arranged along the length direction of a steel bar head 4, connecting plates 11 fixedly connected with the base 12 are respectively mounted at two ends of the guide rod 13, the connecting plates 11 serve to connect the guide rod 13 with the base 12, when the piercing jack 1 extends, the piercing jack 1 drives a structure formed by a support rod 6 and the insertion tube 8 to move, the insertion tube 8 drives the sliding seat 14 to slide on the surface of the base 12 along the guide rod 13, and at this time, the distance between support structures formed by the two groups of support rods 6 and the insertion tube 8 changes, so as to realize balanced support of the piercing jack 1.

Referring to fig. 1, 3 and 4, when the ground of the base 12 is uneven, the supporting screws 10 in the threaded holes 18 at the four corners of the upper surface of the base 12 are screwed, so that the conical heads 19 at the lower ends of the supporting screws 10 are in contact with the ground, and the supporting screws 10 fill the gap between the base 12 and the ground, so that the base 12 is stably placed, the conical heads 19 which are wide at the upper end and narrow at the lower end and are integrally formed with the supporting screws 10 are fixed at one ends of the supporting screws 10, so that the diameter of the end of the supporting screws 10 in contact with the ground is smaller than that of the threaded holes 18, the assembly and disassembly of the supporting screws 10 are not affected when the conical heads 19 are worn, in order to rotate the supporting screws 10, the handles 9 which are arranged perpendicular to the supporting screws 10 are fixed on the outer surfaces of the upper ends of the supporting screws 10, and the supporting screws 10 can be rotated by the handles 9.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity, and it is understood that the specification is incorporated herein by reference, and the embodiments described in each embodiment may be combined as appropriate to form other embodiments, which will be apparent to those skilled in the art.

Claims

1. Drawing equipment comprising a feed-through jack (1) for sleeving a reinforcing bar head (4) exposed outside a building element (15), characterized in that: the utility model discloses a steel bar inserting device, including punching jack (1), intubate (8), slide (14) slidable mounting is on base (12), guiding hole (16) have been seted up to intubate (8) upper end surface threaded connection has knob head (7) that are used for restricting branch (6) and intubate (8) relative position, intubate (8) lower extreme fixedly connected with slide (14), slide (14) slidable mounting is in base (12) upper surface, guiding hole (16) have been seted up to slide (14) surface, guiding hole (16) are arranged along the length direction of steel bar head (4), slide in guiding hole (16) and have been inserted guide bar (13), the both ends of guide bar (13) all with base (12) fixed connection.

2. A drawing apparatus according to claim 1, characterized in that: threaded holes (18) of vertical arrangement are all seted up at four corners of base (12) upper surface, threaded hole (18) female connection has supporting screw (10), supporting screw (10) upper end external fixed surface is connected with handle (9), the handle is arranged with supporting screw (10) perpendicularly.

3. A drawing apparatus according to claim 2, characterized in that: the support screw rod (10) lower extreme fixedly connected with conical head (19), the diameter of conical head (19) is dwindled gradually to the direction of keeping away from support screw rod (10), conical head (19) and support screw rod (10) integrated into one piece.

4. A drawing apparatus according to claim 1, characterized in that: the two ends of the guide rod (13) are fixedly connected with connecting plates (11), and the connecting plates (11) are fixed on the upper surface of the base (12).

5. A drawing apparatus according to claim 1, characterized in that: the outer surface of the upper end of the insertion pipe (8) is provided with a screw hole (17) communicated with the inner space of the insertion pipe (8), and the screw rod part of the knob head (7) is in threaded connection with the screw hole (17).

6. A drawing apparatus according to claim 1, characterized in that: the cylinder body end of the center-penetrating jack (1) and the movable end of the center-penetrating jack (1) are both provided with sleeves (5), and the upper end of the supporting rod (6) is inserted into the sleeves (5).

7. Drawing apparatus according to claim 1, characterised in that: the punching jack is characterized in that a handle (2) is fixedly connected to the upper portion of the outer surface of the punching jack (1), and the handle (2) is of a U-shaped structure.