CN210375980U

CN210375980U - Anchor rod drawing instrument

Info

Publication number: CN210375980U
Application number: CN201920928886.4U
Authority: CN
Inventors: 陈朝
Original assignee: Jiangsu Jiuxin Engineering Testing Co Ltd
Current assignee: Jiangsu Jiuxin Engineering Testing Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-21
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to an appearance is drawn to stock uses in engineering quality testing field, and its technical scheme main points are: the anchor clamp comprises a lantern ring and a clamping block, wherein a plurality of clamping grooves are formed in the upper surface of the lantern ring along the circumferential direction of the upper surface of the lantern ring, the clamping grooves are uniformly distributed along the circumferential direction of the lantern ring, the groove bottom of each clamping groove is obliquely arranged, the clamping block is located in each clamping groove, the clamping block is a wedge-shaped block matched with the groove bottom inclined plane of each clamping groove, sliding blocks are arranged on two opposite side walls of each clamping groove, sliding grooves matched with the sliding blocks are formed in the clamping blocks, and the extending direction of each sliding groove is parallel to the groove bottom inclined plane of each clamping groove; the advantages are that: the anchor clamps are adjustable, and all can press from both sides tightly the stock of certain diameter within range, convenient detection.

Description

Anchor rod drawing instrument

Technical Field

The utility model belongs to the technical field of the engineering quality testing and specifically relates to an appearance is drawn to stock is related to.

Background

The anchor rod drawing instrument is mainly used for detecting the anchoring force of anchoring bodies such as various anchor rods, reinforcing steel bars and the like. The anchor rod drawing instrument is composed of a hand pump, a hydraulic cylinder, an intelligent digital display pressure gauge, a high-pressure oil pipe with a quick connector, a reaction ring, an anchor, an adapter and a portable suitcase, wherein the reaction ring, the hydraulic cylinder, the anchor and the adapter are sequentially sleeved on a tested anchor rod during use, the intelligent digital pressure gauge can directly read the tension value (kN) of the anchor rod and has peak value keeping, storing and inquiring functions, and the anchor rod drawing instrument is particularly suitable for being used on site, simple in operation and easy to learn and use.

Present anchor rod is drawn appearance and need choose the adapter of difference and anchor rod diameter adaptation for use according to the anchor rod diameter of difference in the in-service use process, when examining different diameter anchor rods under same construction environment, need carry a plurality of different adapters and be used for cooperating the anchor rod and draw appearance chucking anchor rod, make detection achievement very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anchor rod pulls out appearance, its advantage: the anchor clamps are adjustable, and the anchor rods to be tested in a certain diameter range can be clamped, so that the detection is convenient.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an appearance is drawn to stock, includes pneumatic cylinder and anchor clamps, the pneumatic cylinder is cavity self-resetting formula, the pneumatic cylinder bottom is equipped with quick-operation joint, the hydraulic cylinder cover is established on being surveyed the stock, the anchor clamps cover is established on being surveyed the stock and is connected with the piston rod of pneumatic cylinder, anchor clamps include the lantern ring and clamp splice, a plurality of draw-in grooves have been seted up along its circumference to the lantern ring upper surface, and is a plurality of lantern ring circumference evenly distributed is followed to the draw-in groove, the tank bottom slope setting of draw-in groove, the inclined plane of draw-in groove tank bottom is towards the axis direction of the lantern ring, the clamp splice is located the draw-in groove, the clamp splice is the wedge with the tank bottom inclined plane looks adaptation of draw-in groove, be equipped with the slider on the both sides wall that the draw-.

Through adopting above-mentioned technical scheme, in the actual detection process, the staff is direct to establish the whole cover of instrument of pulling on surveying the stock of being surveyed, and make the instrument of pulling whole and wall body contact, then promote a plurality of clamp splices, make a plurality of clamp splices all contradict with the stock of being surveyed, then can connect the manual pump through quick-operation joint and begin to measure, when the staff uses the manual pump to the pneumatic cylinder pressurization, the pneumatic cylinder promotes the lantern ring along the axis, the lateral wall of fixture block extrusion spout further makes the clamp splice press from both sides tight stock of being surveyed, the anchor clamp is adjustable to adapt to the clamp tightly of all stock of being surveyed in the certain diameter scope, the application scope of device has been promoted, the staff has been reduced and has carried too much adapter and has caused inconvenient circumstances to.

The utility model discloses further set up to: and a plurality of convex ribs perpendicular to the axis of the tested anchor rod are arranged on the side surface of the clamping block facing the tested anchor rod.

Through adopting above-mentioned technical scheme, the bead has increased the frictional force of clamp splice and surveyed the stock, makes the clamp splice easily press from both sides tight surveyed stock, has reduced the relative slip of clamp splice and surveyed stock among the testing process, has increased the accuracy and the reliability that detect.

The utility model discloses further set up to: the side surface of the convex rib facing the tested anchor rod is provided with an inwards concave cambered surface.

Through adopting above-mentioned technical scheme, increased the area of contact of bead with the stock of being surveyed to promote the frictional force between bead and the stock of being surveyed, further promoted the reliability of device.

The utility model discloses further set up to: and a magnet piece is arranged on the side wall of the upper end of the sliding chute.

Through adopting above-mentioned technical scheme, when the staff will be surveyed the stock and draw the appearance cover and establish on being surveyed the stock, because the magnet piece attracts the slider, make the clamp splice along the draw-in groove towards being surveyed the stock direction motion, produce certain tight power that supports, make draw the appearance in the work clamp splice support tightly more easily and surveyed the stock, promoted the convenience of device.

The utility model discloses further set up to: the lantern ring is connected with the clamp withdrawing ring through threads, and the clamp withdrawing ring is rotationally connected with a piston rod of the hydraulic cylinder.

Through adopting above-mentioned technical scheme, move back clamp ring and lantern ring threaded connection but leave certain screw thread stroke along the axis direction in the testing process, after the staff is detecting the completion and uninstalling the pneumatic cylinder, a plurality of clamp blocks still support tightly each other with being surveyed the stock this moment, the staff rotation moves back the clamp ring this moment, make the lantern ring to being close to move back clamp ring direction, slider extrusion draw-in groove lateral wall makes clamp block and surveyed the stock separation, the staff of being convenient for will be surveyed the stock and draw the appearance and take off, the convenience of device has been promoted.

The utility model discloses further set up to: the threaded connection part of the lantern ring and the clamping-withdrawing ring is provided with a pin hole, and a positioning pin is inserted into the pin hole.

Through adopting above-mentioned technical scheme, the relative rotation of the lantern ring and moving back the clamp ring is restricted through pinhole and locating pin in the testing process to reduce the condition that the relative motion that changes because the lantern ring moves back the clamp influences the testing result in the testing process, increased the reliability of device.

The utility model discloses further set up to: a prying hole is formed in the outer side wall of the clamping withdrawing ring, and a prying bar is inserted into the prying hole.

Through adopting above-mentioned technical scheme, the staff is detecting the end and uninstalling the back to the pneumatic cylinder, moves back clamp ring through the crowbar sled and makes clamp splice and surveyed stock separation, and the staff of being convenient for rotates back clamp ring, provides convenience for the staff.

The utility model discloses further set up to: and a counter-force pad is arranged in the direction of the hydraulic cylinder far away from the clamp withdrawing ring.

By adopting the technical scheme, the stress area between the hydraulic cylinder and the wall body is increased, the possibility of wall body damage caused by the fact that the hydraulic cylinder extrudes the wall surface in the measuring process is reduced, and the practicability of the device is improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. the anchor clamp is arranged, so that the anchor rod drawing instrument can clamp different anchor rods within a certain diameter range for clamping, the condition that a plurality of different adapters need to be carried in the detection process is reduced, and convenience is brought to detection work;

2. through setting up and moving back the clamp ring, make the clamp splice easily with the stock separation, promoted the convenience of device.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram for embodying the arc surface in the present embodiment.

FIG. 4 is a schematic structural view of the reaction pad and the clip removing ring according to the present embodiment.

In the figure, 1, a hydraulic cylinder; 11. a quick coupling; 2. an anchor clamp; 21. a collar; 22. a clamping block; 221. a chute; 222. a rib; 223. a cambered surface; 23. a card slot; 231. a slider; 232. a magnet piece; 3. removing the clamping ring; 31. a pin hole; 32. positioning pins; 33. prying a hole; 34. a crowbar; 4. a reaction pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): an anchor rod drawing instrument is shown in figures 1 and 2 and comprises a hydraulic cylinder 1 and an anchor clamp 2, wherein the hydraulic cylinder 1 is of a hollow self-resetting type, the hydraulic cylinder 1 and the anchor clamp 2 are both sleeved on an anchor rod to be measured, the anchor clamp 2 comprises a lantern ring 21 and clamping blocks 22, a plurality of clamping grooves 23 with groove bottoms inclined towards the axial direction are formed in the end surface, away from the hydraulic cylinder 1, of the lantern ring 21, the clamping grooves 23 are evenly distributed along the circumferential direction of the lantern ring 21, the clamping blocks 22 are wedge-shaped and matched with the clamping grooves 23, sliding grooves 221 parallel to the bottom surfaces of the clamping grooves 23 are formed in the two side walls of the clamping blocks 22, sliding blocks 231 matched with the clamping grooves 23 are arranged on the two opposite side walls of the clamping grooves 23, when the hydraulic cylinder 1 works, the lantern ring 21 is pushed towards the direction away from the hydraulic cylinder 1, the sliding blocks 231 extrude the side walls of the clamping grooves 23 to enable the clamping blocks 22 to be tightly abutted against the anchor rod to be measured, the number of the adapters required to be carried by the workers in the detection work is reduced, and the detection is convenient.

As shown in fig. 2, the magnet piece 232 is arranged on the side wall of the upper end of the sliding groove 221, due to the magnetic attraction of the magnet piece 232 to the sliding block 231, the clamping block 22 has a tendency of moving towards the direction close to the tested anchor rod, when the worker sets the device cover on the north anchor rod, the anchor rod firstly jacks up the clamping block 22 along the extending direction of the sliding groove 221, after the tested anchor rod passes through the lantern ring 21, the side of the fixture block 22 facing the tested anchor rod is attached to the tested anchor rod due to the magnetic attraction of the magnet piece 232 to the sliding block 231, so that the worker is not required to manually extrude the clamping block 22 towards the groove bottom of the clamping groove 23 during detection, the clamping block 22 is convenient to clamp the tested anchor rod, and the practicability of the device.

As shown in fig. 2, the side of the clamp block 22 facing the tested anchor rod is provided with a plurality of protruding ribs 222 perpendicular to the axis of the tested anchor rod, one side of the protruding ribs 222 facing the tested anchor rod is provided with an arc surface 223 (as shown in fig. 3) similar to the radian of the tested anchor rod, the arc surface 223 and the protruding ribs 222 both increase the contact area between the clamp block 22 and the tested anchor rod, so that the friction force is improved, the clamp block 22 is easy to clamp the tested anchor rod, and the situation that the tested anchor rod and the clamp block 22 slide relatively to influence the detection result is reduced.

As shown in fig. 4, the tested anchor rod between the hydraulic cylinder 1 and the lantern ring 21 is sleeved with a clamping ring 3, the clamping ring 3 is rotatably connected with the piston rod of the hydraulic cylinder 1 and is in threaded connection with the lantern ring 21, a certain thread stroke is left between the clamping ring 3 and the lantern ring 21 when the detection starts, a pin hole 31 (as shown in fig. 1) is formed in the threaded connection part of the clamping ring 3 and the lantern ring 21, and a positioning pin 32 (as shown in fig. 1) is inserted into the pin hole 31. After the detection is finished, the worker firstly unloads the load of the hydraulic cylinder 1, the clamping block 22 and the tested anchor rod are in a mutual abutting state at the moment, the prying hole 33 is formed in the withdrawing ring 3, the prying rod 34 is inserted into the prying hole 33, the worker can easily rotate the withdrawing ring 3 by pressing the prying rod 34 at the moment, the lantern ring 21 moves towards the hydraulic cylinder 1, the sliding block 231 extrudes the sliding groove 221 to be far away from the side wall of the tested anchor rod direction, the clamping block 22 and the tested anchor rod are separated, the worker can conveniently take down the tested anchor rod drawing instrument, other devices are not needed to separate the clamping block 22 from the tested anchor rod, and the practicability of the device is improved.

As shown in fig. 4, a reaction pad 4 is arranged at one end of the hydraulic rod close to the wall body, the area of the reaction pad 4 is larger than that of the end surface of the hydraulic cylinder 1, the pressure from the hydraulic cylinder 1 is uniformly transmitted to the wall body, the pressure intensity is dispersed, and the damage of the wall body due to the action of the hydraulic cylinder 1 is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an appearance is drawn to stock which characterized in that: including pneumatic cylinder (1) and anchor clamps (2), pneumatic cylinder (1) is cavity self-resetting formula, pneumatic cylinder (1) bottom is equipped with quick-operation joint (11), pneumatic cylinder (1) cover is established on being surveyed the stock, anchor clamps (2) cover is established on being surveyed the stock and is connected with the piston rod of pneumatic cylinder (1), anchor clamps (2) are including the lantern ring (21) and clamp splice (22), a plurality of draw-in grooves (23) have been seted up along its circumference to lantern ring (21) upper surface, and is a plurality of draw-in groove (23) are along lantern ring (21) circumference evenly distributed, the tank bottom slope setting of draw-in groove (23), the axis direction of the inclined plane of draw-in groove (23) groove orientation lantern ring (21), clamp splice (22) are located draw-in groove (23), clamp splice (22) are the wedge with the tank bottom inclined plane looks adaptation of draw-in groove (23), be equipped with slider (231) on the relative both sides wall of draw-, the clamping block (22) is provided with a sliding groove (221) matched with the sliding block (231), and the extending direction of the sliding groove (221) is parallel to the groove bottom inclined plane of the clamping groove (23).

2. The anchor rod drawing instrument according to claim 1, characterized in that: the side surface of the clamping block (22) facing the tested anchor rod is provided with a plurality of convex ribs (222) vertical to the axis of the tested anchor rod.

3. The anchor rod drawing instrument according to claim 2, characterized in that: the side surface of the convex rib (222) facing the tested anchor rod is provided with an inwards concave cambered surface (223).

4. The anchor rod drawing instrument according to claim 3, characterized in that: and a magnet piece (232) is arranged on the side wall of the upper end of the sliding groove (221).

5. The anchor rod drawing instrument according to claim 1, characterized in that: the lantern ring (21) is in threaded connection with the clamping ring withdrawing (3), and the clamping ring withdrawing (3) is rotationally connected with a piston rod of the hydraulic cylinder (1).

6. The anchor rod drawing instrument according to claim 5, characterized in that: a pin hole (31) is formed in the threaded connection position of the sleeve ring (21) and the clamp withdrawing ring (3), and a positioning pin (32) is inserted into the pin hole (31).

7. The anchor rod drawing instrument according to claim 6, characterized in that: and a prying hole (33) is formed in the outer side wall of the clamp withdrawing ring (3), and a prying bar (34) is inserted in the prying hole (33).

8. The anchor rod drawing instrument according to claim 1, characterized in that: and a reaction pad (4) is arranged in the direction of the hydraulic cylinder (1) far away from the clamp withdrawing ring (3).