CN214844461U

CN214844461U - Fixing equipment for detecting pulling resistance of reinforcing steel bar

Info

Publication number: CN214844461U
Application number: CN202120761106.9U
Authority: CN
Inventors: 陈富
Original assignee: Nanjing Gaochun Jiancheng Engineering Quality Inspection Co ltd
Current assignee: Nanjing Gaochun Jiancheng Engineering Quality Inspection Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-23
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to the technical field of steel bar pulling resistance detection, and discloses a fixing device for steel bar pulling resistance detection, which comprises a transversely distributed bottom plate and a sleeve fixed on the top of the bottom plate and used for sleeving a steel bar; the sleeve comprises a threaded cylinder, a threaded rod, a handle and a clamping plate, the threaded cylinder is fixed on the outer wall of the sleeve, and one end of the threaded rod is in threaded connection with the inner wall of the threaded cylinder and is connected with the clamping plate and the other end of the threaded cylinder through a bearing in a fixed mode. This fixing equipment is used in reinforcing bar pulling resistance detects, through opening driving motor and then make the lead screw rotatory, the lead screw can drive two sets of lantern rings and do the motion in opposite directions this moment, the hinge bar takes place to rotate this moment, and promote the bottom plate and do vertical reciprocating motion, thereby play the effect of adjusting the vertical height of bottom plate, the convenient reinforcing bar to different positions carries out the fixed operation, and set up the removal base and can make things convenient for the staff to promote this fixing equipment, the convenient field work that is directed against has promoted the work efficiency that the reinforcing bar detected.

Description

Fixing equipment for detecting pulling resistance of reinforcing steel bar

Technical Field

The utility model relates to a reinforcing bar withdrawal resistance detects technical field, specifically is a reinforcing bar withdrawal resistance detects uses fixed equipment.

Background

The steel bar drawing test is the field detection of the anchoring force of the anchoring body, and generally 48 to 72 hours after steel bars are planted, a tension meter (a jack) can be adopted to carry out the drawing test loading mode on the planted steel bars for ensuring the safety of construction operation.

Need the staff to support the reinforcing bar when detecting, generally need the staff to operate manually now, this kind of mode is comparatively wasted time and energy to, the staff need continuously grip the reinforcing bar, long-time back leads to staff's hand to take place the deviation easily, and then has influenced the accuracy that detects.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a reinforcing bar pulling resistance detects uses fixed equipment, through inside inserting the sleeve with the reinforcing bar, rotate the handle afterwards and make the threaded rod take place to rotate, make the threaded rod drive the centre gripping gradually to reinforcing bar outer wall centre gripping under the internal screw thread effect of screw thread section of thick bamboo inner wall to ensured the stability in the reinforcing bar testing process, this kind of mode does not need the staff manual to grip, operates advantages such as more labour saving and time saving, has solved the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for detecting the pulling resistance of a steel bar comprises a transversely distributed bottom plate and a sleeve fixed at the top of the bottom plate and used for sleeving the steel bar;

the sleeve comprises a threaded cylinder, a threaded rod, a handle and a clamping plate, the threaded cylinder is fixed on the outer wall of the sleeve, one end of the threaded rod is in threaded connection with the inner wall of the threaded cylinder and is connected to the clamping plate through a bearing, and the other end of the threaded rod is fixedly connected to the handle;

the threaded rod is rotated by rotating the handle, the clamping plate is driven to move to one side of the steel bar under the action of the internal thread on the inner wall of the threaded cylinder, and the steel bar is clamped;

the device also comprises an adjusting device for driving the bottom plate to vertically reciprocate.

Preferably, one side surface, close to the steel bars, of the clamping plate is arc-shaped, and the radian of the clamping plate is matched with that of the steel bars.

Preferably, the bottom of the bottom plate is connected to the movable base through an adjusting device, and universal wheels are arranged at the bottom end of the movable base.

Preferably, adjusting device includes driving motor, lead screw, the lantern ring, hinge bar and fixed block, driving motor installs in removing the base top, the lead screw is connected in the driving motor output, the lantern ring is provided with two sets ofly, two sets of all threaded connection in the lead screw outer wall of the lantern ring, two sets of the lantern ring all rotates through the hinge bar and connects in the fixed block, fixed block fixed connection is in the bottom plate bottom.

Preferably, the outer wall of the screw rod is provided with two sets of external threads with opposite lines, the inner wall of the lantern ring is provided with internal threads, and the external threads and the internal threads are matched with each other.

Preferably, one end of the screw rod, which is far away from the driving motor, is rotatably connected with a fixing plate, and the fixing plate is fixed at the top end of the movable base.

Preferably, the top end of the movable base is fixedly connected with a guide rod, the outer wall of the guide rod is sleeved with two sets of lantern rings, and the lantern rings are connected with the fixed block in a rotating mode through two sets of hinged rods respectively.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this reinforcing bar resistance to plucking power detects uses fixed equipment, through setting up bottom plate, sleeve, thread cylinder, threaded rod, handle and splint, through inserting the reinforcing bar inside the sleeve, rotate the handle afterwards and make the threaded rod take place to rotate, make the threaded rod drive the centre gripping gradually to reinforcing bar outer wall centre gripping under the internal screw thread effect of thread cylinder inner wall to ensure the stability in the reinforcing bar testing process, this kind of mode does not need the staff to manually grip, operates more labour saving and time saving.

2. This fixing equipment is used in anti-pulling force of reinforcing bar detects, through setting up driving motor, the lead screw, the lantern ring, the hinge bar, the fixed block, fixed plate and guide bar, it is rotatory through opening driving motor and then make the lead screw, the lead screw can drive two sets of lantern rings and be the motion in opposite directions this moment, the hinge bar takes place to rotate this moment, and promote the bottom plate and be vertical reciprocating motion, thereby play the effect of adjusting the vertical height of bottom plate, the convenient reinforcing bar to different positions carries out the fixed operation, and set up and remove the base and can make things convenient for the staff to promote this fixing equipment, the convenience is to the site work, the work efficiency that the reinforcing bar detected has been promoted.

Drawings

FIG. 1 is a right side perspective view of the present invention;

FIG. 2 is a schematic view of the left side of the utility model;

FIG. 3 is a schematic view of the internal structure of the sleeve according to the present invention;

fig. 4 is a schematic side view of the sleeve of the present invention.

In the figure: 1. moving the base; 211. a drive motor; 212. a screw rod; 213. a collar; 214. a hinged lever; 215. a fixed block; 216. a fixing plate; 217. a guide rod; 311. a base plate; 312. a sleeve; 313. a threaded barrel; 314. a threaded rod; 315. a handle; 316. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, a fixing device for detecting a steel bar pulling resistance includes a base plate 311 transversely disposed and a sleeve 312 fixed on the top of the base plate 311 for receiving a steel bar.

The sleeve 312 comprises a threaded cylinder 313, a threaded rod 314, a handle 315 and a clamping plate 316, the threaded cylinder 313 is fixed on the outer wall of the sleeve 312, one end of the threaded rod 314 is in threaded connection with the inner wall of the threaded cylinder 313 and is connected to the clamping plate 316 through a bearing, and the other end of the threaded rod 314 is fixedly connected to the handle 315; make threaded rod 314 rotate through rotating handle 315, drive splint 316 and move to reinforcing bar one side under the effect of screw thread in the internal wall of screw thread section of thick bamboo 313 to with the reinforcing bar centre gripping, ensured that the reinforcing bar is enough stable in the testing process, and the operation is more labour saving and time saving. Splint 316 is close to reinforcing bar side and sets up to arc, and radian and reinforcing bar radian coincide each other, area of contact can maximize when guaranteeing splint 316 and reinforcing bar centre gripping, and then guarantees splint 316 and reinforcing bar outer wall's frictional force increase to make the reinforcing bar centre gripping effect more stable.

And an adjusting device for driving the bottom plate 311 to vertically reciprocate is further included. Bottom plate 311 bottom is passed through adjusting device and is connected in removing base 1, removes base 1 bottom and is provided with the universal wheel, removes base 1 and universal wheel through setting up, guarantees that this fixed equipment can conveniently remove the use at the scene, and it is more convenient to operate.

The adjusting device comprises a driving motor 211, a screw rod 212, two groups of lantern rings 213, hinged rods 214 and a fixed block 215, the driving motor 211 is installed at the top end of the movable base 1, the screw rod 212 is connected to the output end of the driving motor 211, the lantern rings 213 are provided with two groups, the two groups of lantern rings 213 are all in threaded connection with the outer wall of the screw rod 212, the two groups of lantern rings 213 are all in rotary connection with the fixed block 215 through the hinged rods 214, the fixed block 215 is fixedly connected to the bottom of the bottom plate 311, the outer wall of the screw rod 212 is provided with two groups of external threads with opposite textures, the inner wall of the lantern rings 213 is provided with internal threads, the external threads and the internal threads are matched with each other, the screw rod 212 is rotated by starting the driving motor 211, at the moment, the two groups of lantern rings 213 are respectively driven to move in the opposite directions or away from each other under the action of the two groups of external threads with opposite textures and the internal threads of the inner wall of the lantern rings 213, so that the two groups of hinged rods 214 are rotated, and the bottom plate 311 and the sleeve 312 are pushed to vertically reciprocate, make things convenient for the staff to align sleeve 312 with the reinforcing bar, whole operation does not need the staff to carry, more labour saving and time saving. The one end that the driving motor 211 was kept away from to lead screw 212 rotates and is connected with fixed plate 216, and fixed plate 216 is fixed in and removes the base 1 top, can guarantee the stability of lead screw 212 through setting up fixed plate 216, can restrict simultaneously that lantern ring 213 breaks away from with the lead screw 212 outer wall when doing horizontal reciprocating motion. Remove 1 top fixedly connected with guide bar 217 of base, guide bar 217 outer wall has cup jointed two sets of lantern rings 213, and two sets of lantern rings 213 rotate with fixed block 215 through two sets of articulated rods 214 respectively and are connected, and is more stable when guaranteeing the vertical removal of bottom plate 311 through this total setting, can support the bottom plate 311 left and right sides comprehensively, and then guarantees that bottom plate 311 is enough stable.

The working principle is as follows: when in use, a worker can push the movable base 1 to rotate the universal wheels, then the driving motor 211 is started to rotate the screw rod 212, under the action of the screw threads, the two sets of lantern rings 213 on the outer wall of the screw rod 212 move towards each other, at this time, the two sets of lantern rings 213 respectively drive the two sets of hinge rods 214 to rotate and press the movable base 1 to move upwards, at this time, the other two sets of hinge rods 214 rotate and drive the other two sets of lantern rings 213 to move towards each other on the outer wall of the guide rod 217, as shown in fig. 1-3, when the sleeve 312 corresponds to the steel bar, the worker pushes the movable base 1 to sleeve the sleeve 312 on the outside of the steel bar, and then rotates the handle 315 to rotate the threaded rod 314, the threaded rod 314 is gradually moved towards the inside of the sleeve 312 by the action of the internal thread on the inner wall of the threaded cylinder 313, and promote splint 316 with the reinforcing bar outer wall centre gripping to ensure that the reinforcing bar is not stable enough in the reinforcing bar testing process, difficult emergence detects the deviation problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reinforcing bar withdrawal resistance detects uses fixed equipment which characterized in that: comprises a bottom plate (311) which is transversely distributed and a sleeve (312) which is fixed at the top of the bottom plate (311) and is used for sleeving a reinforcing steel bar;

the sleeve (312) comprises a threaded cylinder (313), a threaded rod (314), a handle (315) and a clamping plate (316), the threaded cylinder (313) is fixed on the outer wall of the sleeve (312), one end of the threaded rod (314) is in threaded connection with the inner wall of the threaded cylinder (313) and is connected to the clamping plate (316) through a bearing, and the other end of the threaded rod is fixedly connected to the handle (315);

the threaded rod (314) is rotated by rotating the handle (315), and the clamping plate (316) is driven to move towards one side of the steel bar under the action of the internal thread on the inner wall of the threaded cylinder (313) and clamps the steel bar;

the device also comprises an adjusting device for driving the bottom plate (311) to vertically reciprocate.

2. The reinforcing bar withdrawal resistance detects and uses fixed equipment according to claim 1 characterized in that: one side of the clamping plate (316) close to the steel bar is arc-shaped, and the radian is matched with that of the steel bar.

3. The reinforcing bar withdrawal resistance detects and uses fixed equipment according to claim 1 characterized in that: the bottom of the bottom plate (311) is connected to the movable base (1) through an adjusting device, and universal wheels are arranged at the bottom end of the movable base (1).

4. The reinforcing bar withdrawal resistance detects and uses fixed equipment according to claim 1 characterized in that: adjusting device includes driving motor (211), lead screw (212), the lantern ring (213), hinge rod (214) and fixed block (215), driving motor (211) are installed on removal base (1) top, lead screw (212) are connected in driving motor (211) output, lantern ring (213) are provided with two sets ofly, and are two sets of all threaded connection in lead screw (212) outer wall lantern ring (213), and are two sets of all rotate through hinge rod (214) and connect in fixed block (215) lantern ring (213), fixed block (215) fixed connection is in bottom plate (311) bottom.

5. The reinforcing bar withdrawal resistance detects and uses fixed equipment according to claim 4 characterized in that: the outer wall of the screw rod (212) is provided with two sets of external threads with opposite lines, the inner wall of the sleeve ring (213) is provided with internal threads, and the external threads and the internal threads are matched with each other.

6. The reinforcing bar withdrawal resistance detects and uses fixed equipment according to claim 4 characterized in that: one end, far away from the driving motor (211), of the screw rod (212) is rotatably connected with a fixing plate (216), and the fixing plate (216) is fixed to the top end of the movable base (1).

7. The reinforcing bar withdrawal resistance detects and uses fixed equipment according to claim 4 characterized in that: remove base (1) top fixedly connected with guide bar (217), guide bar (217) outer wall has cup jointed two sets of lantern rings (213), and is two sets of lantern ring (213) are connected with fixed block (215) rotation through two sets of articulated rod (214) respectively.