CN218545628U

CN218545628U - Anchor head displacement measuring device for detecting locking force of anchor rod

Info

Publication number: CN218545628U
Application number: CN202222060475.2U
Authority: CN
Inventors: 吴火冬; 李锦辉; 曾慧婷
Original assignee: Guangdong Jian'an Testing Co ltd
Current assignee: Guangdong Jian'an Testing Co ltd
Priority date: 2022-08-06
Filing date: 2022-08-06
Publication date: 2023-02-28
Anticipated expiration: 2032-08-06

Abstract

The utility model provides an anchor head displacement measurement device for stock locking force detects. A anchor head displacement measurement device for stock locking force detects includes: handheld frame, rotate on the both sides inner wall of handheld frame and install two-way screw rod, the one end of two-way screw rod extends to outside the handheld frame, the bottom of handheld frame has been seted up the transverse connection and has been led to the groove, the transverse connection leads to the inslot and is provided with two first connecting blocks, the bottom of handheld frame is provided with two second connecting blocks, two the top of second connecting block respectively with two the bottom fixed connection of first connecting block, two the equal fixed mounting in bottom of second connecting block has the arc grip block, two equal fixed mounting has the connecting plate on the outer wall of arc grip block. The utility model provides an anchor head displacement measurement device for stock locking force detects has that it is convenient, the protecting effect is good to adjust, can improve detection efficiency's advantage.

Description

Anchor head displacement measuring device for detecting locking force of anchor rod

Technical Field

The utility model relates to an anchor rod detects technical field, especially relates to an anchor head displacement measurement device for anchor rod locking force detects.

Background

The anchor rod is the most basic component of roadway support in the contemporary coal mine, it consolidates the surrounding rock of the roadway together, make the surrounding rock self support itself, the anchor rod is not only used in the mine, also used in the engineering technology, carry on the body reinforcement to the slope, tunnel, dam body, the anchor rod is regarded as the tension member deep into the stratum, its one end is connected with engineering structure, another end is deep into the stratum, the whole anchor rod is divided into free section and anchoring section, the free section is the area of transmitting the pulling force of the head of the anchor rod to the anchoring body, its function is to exert the prestress to the anchor rod, in order to guarantee the stability of anchor rod installation, need to detect the locking force of the anchor rod, and in the course of detecting, the anchor head can produce the displacement, in order to guarantee the precision of detecting, need to measure the displacement of the anchor head.

In the prior art, there is an anchor head displacement measuring device for detecting the locking force of an anchor rod, which comprises a loop fastener, a connecting rod, a displacement fixing rod and a displacement meter, wherein the loop fastener is connected to the periphery of the anchor head, the connecting rod is fixedly connected with the loop fastener, the displacement fixing rod is fixedly connected with the connecting rod, and the displacement meter is arranged on the displacement fixing rod and is vertical to a waist rail; during detection, when the displacement of the anchor head recorded by the displacement meter under the action of the uplifting force reaches a set value, the previous stage load corresponding to the uplifting force load is the anchor rod locking force. The utility model discloses an adopt the loop fastener to be connected with the anchor head, can select the loop fastener of equidimension not to come the anchor head of the different specifications of adaptation, can be applied to the locking force detection of each specification stock. The anchor head displacement measuring device for detecting the anchor rod locking force can directly, clearly and quantitatively judge whether the anchor rod reaches the locking force or not, the judgment result is more accurate and reliable, although the anchor head displacement measuring device for detecting the anchor rod locking force can directly, clearly and quantitatively judge whether the anchor rod reaches the locking force or not through the change condition of the anchor head displacement, the judgment result is more accurate and reliable, but when the anchor head displacement measuring device detects through two displacement meters, because the connecting rod and the displacement fixing rod are fixed, the position of the displacement meter cannot be adjusted according to the actual condition, and because the surface of a waist beam is generally unstable, when the displacement meter is easily contacted with the waist beam, because the gap on the surface of the waist beam, the probe on the displacement meter is easily extruded and damaged when extending to the gap, and the displacement meter needs to be extruded during working, under the action of the extrusion force, the probe of the displacement meter can be moved, and then the detection precision of the anchor head displacement is influenced.

Therefore, it is necessary to provide an anchor head displacement measuring device for detecting the locking force of the anchor rod to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an adjust convenient, the protecting effect is good, can improve detection efficiency's an anchor head displacement measurement device that is used for stock locking power to detect.

In order to solve the technical problem, the utility model provides an anchor head displacement measurement device for stock locking force detects, include: handheld frame, rotate on the both sides inner wall of handheld frame and install two-way screw rod, the one end of two-way screw rod extends to outside the handheld frame, the bottom of handheld frame has been seted up the transverse connection and has been led to the groove, the transverse connection leads to the inslot and is provided with two first connecting blocks, the bottom of handheld frame is provided with two second connecting blocks, two the top of second connecting block respectively with two the bottom fixed connection of first connecting block, two the equal fixed mounting in bottom of second connecting block has the arc grip block, two equal fixed mounting has the connecting plate, two on the outer wall of arc grip block one side that the connecting plate was kept away from each other all is provided with the regulation frame, two one side that the regulation frame was kept away from each other all is provided with the displacement meter.

Preferably, the adjusting screw rod is rotatably mounted on the inner walls of the two sides of the adjusting frame, the top end of the adjusting screw rod extends to the upper portion of the adjusting frame, an adjusting through groove is formed in the outer wall of one side of the adjusting frame, an adjusting block is arranged in the adjusting through groove, and the outer wall of one side of the adjusting block extends out of the adjusting through groove and is fixedly connected with the outer wall of one side of the displacement meter.

Preferably, the shifting chute has been seted up on one side outer wall of connecting plate, slidable mounting has the movable plate on the both sides inner wall of shifting chute, one side outer wall of movable plate extends to outside the shifting chute and with one side outer wall fixed connection of adjustment frame, it holds the groove to have seted up a plurality of cards on one side outer wall of movable plate, fixed mounting has the mount on one side outer wall of connecting plate, slidable mounting has the holding down plate on the both sides inner wall of mount, fixed mounting holds the card on one side outer wall of holding down plate and holds the piece, the one side that holds the piece extends to corresponding card hold the inslot and with the groove adaptation is held to the card, the holding down plate is kept away from fixed mounting has the pulling rod on one side outer wall of card holding the piece, the other end of pulling rod runs through the mount and with mount sliding connection.

Preferably, the pulling rod is sleeved with a reinforcing spring, one end of the reinforcing spring is fixedly connected with the inner wall of one side of the fixing frame, and the other end of the reinforcing spring is fixedly connected with the outer wall of one side of the lower pressing plate.

Preferably, the bidirectional screw is sleeved with two first threaded sliding sleeves, the outer wall of each first threaded sliding sleeve is fixedly connected with the outer wall of one side of the corresponding first connecting block, and the outer wall of each first threaded sliding sleeve is slidably connected with the inner wall of one side of the handheld frame.

Preferably, the adjusting screw is sleeved with a second threaded sliding sleeve, the outer wall of the second threaded sliding sleeve is fixedly connected with the outer wall of one side of the adjusting block, and the outer wall of the second threaded sliding sleeve is slidably connected with the inner walls of the two sides of the adjusting frame.

Preferably, two arc-shaped rubber plates are fixedly mounted on the outer wall of one side, close to each other, of each arc-shaped clamping plate.

Compared with the prior art, the utility model provides an anchor head displacement measurement device for stock locking force detects has following beneficial effect:

the utility model provides an anchor head displacement measurement device for detection of anchor rod locking force, through the setting of handheld frame and handle, can make things convenient for whole measuring device to remove, guarantee measuring device's use convenience, can be quick through two-way screw rod, transverse connection logical groove, two first screw thread sliding sleeves, two second connecting blocks and two arc grip blocks accomplish the installation connection between displacement measurement device and the anchor head, easy operation is convenient, improve detection efficiency, can adapt to the anchor head of different diameters simultaneously, improve the application range of this position detection device;

through the connecting plate, the shifting chute, the movable plate, a plurality of cards are held the groove, the mount, the holding down plate, the card is held the piece, the setting of pulling rod and reinforcing spring, can adjust the position of displacement meter, conveniently make the displacement meter remove the comparatively level and smooth place in waist rail surface, avoid causing the inaccuracy of displacement meter measuring result, simultaneously through the setting of adjusting the frame, adjusting screw, the regulation leads to the groove, second screw thread sliding sleeve and regulating block, can adjust the contact force on displacement meter and waist rail surface, to sum up can effectual improvement to the protection effect of displacement meter.

Drawings

Fig. 1 is a schematic front view of a preferred embodiment of an anchor head displacement measuring device for detecting a locking force of an anchor rod according to the present invention;

fig. 2 is a schematic side sectional structural view of a connecting plate in an anchor head displacement measuring device for detecting the locking force of an anchor rod according to the present invention;

fig. 3 is a schematic side sectional view of an adjusting frame in the anchor head displacement measuring device for detecting the locking force of the anchor rod according to the present invention;

fig. 4 is the utility model provides a side view structure schematic diagram of displacement meter among the anchor head displacement measurement device for stock locking force detects.

The reference numbers in the figures: 1. a handheld frame; 2. a bidirectional screw; 3. the through grooves are transversely connected; 4. a first connection block; 5. a second connecting block; 6. an arc-shaped clamping plate; 7. a connecting plate; 8. an adjusting frame; 9. a displacement meter; 10. adjusting the screw rod; 11. adjusting the through groove; 12. a regulating block; 13. a handle; 14. a moving groove; 15. moving the plate; 16. a clamping groove; 17. a fixed mount; 18. pressing the plate downwards; 19. a clamping block; 20. pulling a rod; 21. an arc-shaped rubber plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 4, fig. 1 is a schematic structural view of an anchor head displacement measuring device for detecting a locking force of an anchor rod according to a preferred embodiment of the present invention; fig. 2 is a schematic side sectional structural view of a connecting plate in an anchor head displacement measuring device for detecting the locking force of an anchor rod according to the present invention; fig. 3 is a schematic side sectional view of an adjusting frame in the anchor head displacement measuring device for detecting the locking force of the anchor rod according to the present invention; fig. 4 is the utility model provides a side-looking at schematic structure view of displacement meter among the anchor head displacement measurement device for stock locking force detects. A anchor head displacement measurement device for stock locking force detects includes: the handheld frame 1 is fixedly provided with a handle 13 at the top of the handheld frame 1, the handle 13 is arranged to facilitate the movement of an operator carrying the whole displacement measuring device, the use convenience of the displacement measuring device is improved, the inner walls of the two sides of the handheld frame 1 are rotatably provided with two-way screws 2, one ends of the two-way screws 2 extend out of the handheld frame 1, one ends of the two-way screws 2, which are positioned outside the handheld frame 1, are fixedly sleeved with first rotating wheels, the two-way screws 2 can be conveniently driven by the operator to rotate through the first rotating wheels, the two arc-shaped clamping plates 6 can be simultaneously driven to move towards the mutually approaching directions through the arrangement of the two-way screws 2, the synchronous movement of the two arc-shaped clamping plates 6 is ensured, the clamping effect of an anchor head is ensured, the bottom of the handheld frame 1 is provided with a transverse connecting through groove 3, two first connecting blocks 4 are arranged in the transverse connecting through groove 3, two-way screws 2 are sleeved with two first threaded sliding sleeves, the outer wall of one side of each of the two first connecting blocks 4 extends into the handheld frame 1 and is fixedly connected with the outer wall of the two first threaded sliding sleeves, the outer walls of the two first threaded sliding sleeves are fixedly provided with two fourth sliding blocks, the inner wall of the top of the handheld frame 1 is provided with two fourth sliding grooves, the fourth sliding blocks are slidably connected with the fourth sliding grooves, thus indirectly ensuring the moving stability of the two arc-shaped clamping plates 6, the bottom of the handheld frame 1 is provided with two second connecting blocks 5, the tops of the two second connecting blocks 5 are respectively fixedly connected with the bottoms of the two first connecting blocks 4, the bottoms of the two second connecting blocks 5 are fixedly provided with the arc-shaped clamping plates 6, the whole displacement measuring device can be arranged on the anchor head through the two arc-shaped clamping plates 6, the outer wall of one side of the two arc-shaped clamping plates 6 close to each other is fixedly provided with the arc-shaped rubber plate 21, can make at two arc grip blocks 6 and anchor head surface contact through two arc rubber slabs 21 and provide a frictional force, guarantee the stability of being connected of arc grip block 6 and anchor head, also avoid anchor head surface adhesion impurity to cause the extrusion wound to the inner wall of arc grip block 6 simultaneously, equal fixed mounting has connecting plate 7 on the outer wall of two arc grip blocks 6, one side that two connecting plates 7 kept away from each other all is provided with alignment jig 8, one side that two alignment jig 8 kept away from each other all is provided with displacement meter 9, prior art is adopted in the use of displacement meter 9, can measure the displacement distance of anchor head through displacement meter 9, in this embodiment, used displacement meter 9 adopts digital displacement meter, can make things convenient for operating personnel directly to carry out the reading of distance digit like this, the one end of displacement meter 9 is provided with the probe, the probe needs the surface contact with the waist rail.

Adjusting screw 10 is installed in the rotation on adjusting frame 8's the both sides inner wall, can adjust the contact distance on displacement meter 9 and waist rail surface through adjusting screw 10, like this before using displacement meter 9 in this embodiment, avoid displacement meter 9 and waist rail surface contact, can avoid displacement meter 9 too early to avoid contacting with the waist rail like this, avoid causing the damage to displacement meter 9, adjusting screw 10's top extends to adjusting frame 8's top, adjusting through groove 11 has been seted up on adjusting frame 8's one side outer wall, it is provided with regulating block 12 in the through groove 11 to adjust, one side outer wall of regulating block 12 extends adjusting through groove 11 and with one side outer wall fixed connection of the displacement meter 9 that corresponds, the cover is equipped with second screw thread sliding sleeve on adjusting screw 10, one side outer wall of regulating block 12 extends to adjusting frame 8 in and with the outer wall fixed connection of second screw thread sliding sleeve, and fixed mounting has two first sliders on the outer wall of second screw thread sliding sleeve, two first spouts have all been seted up on adjusting frame 8's the both sides inner wall, two first sliders and two first spout sliding connection, can guarantee the stability of second screw thread sliding sleeve like this, then, guarantee the stability of displacement meter 9.

A moving groove 14 is formed on the outer wall of one side of the connecting plate 7, two second sliding grooves are formed on the inner walls of two sides of the moving groove 14, a moving plate 15 is arranged in the moving groove 14, second sliding blocks are fixedly arranged on the outer walls of two sides of the moving plate 15, the two second sliding blocks are respectively connected with the two second sliding grooves in a sliding manner, so that the sliding stability of the moving plate 15 in the moving groove 14 can be ensured, the outer wall of one side of the moving plate 15 extends out of the moving groove 14 and is fixedly connected with the outer wall of one side of the adjusting frame 8, the horizontal positions of the adjusting frame 8 and the displacement meter 9 can be conveniently adjusted through the arrangement of the moving plate 15, the position with a smoother waist beam surface can be conveniently found, a plurality of clamping grooves 16 are formed on the outer wall of one side of the moving plate 15, a fixing frame 17 is fixedly arranged on the outer wall of one side of the connecting plate 7, lower pressing plates 18 are arranged on the inner walls of two sides of the fixing frame 17 in a sliding manner, and the fixing frame 17 is of a groove type, the inner walls of two sides of the fixed frame 17 are respectively provided with a third sliding groove, the outer walls of two sides of the lower press plate 18 are respectively fixedly provided with a third sliding block, the third sliding blocks are connected with the third sliding grooves in a sliding manner, the outer wall of one side of the lower press plate 18 is fixedly provided with a clamping block 19, one side of the clamping block 19 extends into the corresponding clamping groove 16 and is matched with the clamping groove 16, the horizontal movement of the movable plate 15 can be limited in a clamping manner through the arrangement of the clamping groove 16 and the clamping block 19, the horizontal movement of the displacement meter 9 is further limited, the movement stability of the displacement meter 9 is ensured, the outer wall of one side of the lower press plate 18, which is far away from the clamping block 19, is fixedly provided with a pulling rod 20, the other end of the pulling rod 20 penetrates through the fixed frame 17 and is connected with the fixed frame 17 in a sliding manner, the outer wall of one side of the fixed frame 17 is provided with a sliding through hole, and the pulling rod 20 penetrates through the sliding through hole and is connected with the inner wall of the sliding through hole, one end of the pulling rod 20, which is far away from the lower pressing plate 18, is fixedly provided with a pulling plate, an operator can conveniently pull the pulling rod 20, the pulling rod 20 is sleeved with a reinforcing spring, one end of the reinforcing spring is fixedly connected with the inner wall of one side of the fixing frame 17, the other end of the reinforcing spring is fixedly connected with the outer wall of one side of the lower pressing plate 18, and through the arrangement of the reinforcing spring, the connecting stability of the clamping block 19 and the clamping groove 16 can be ensured under the condition that the pulling rod 20 is not subjected to an external force, so that the installation stability of the displacement meter 9 can be ensured.

In this embodiment:

when the prestress of the anchor rod needs to be detected, an operator can carry the whole measuring device through the handle 13, the use convenience of the measuring device is improved, when the prestress of the anchor rod needs to be detected, the two arc-shaped clamping plates 6 can be arranged on two sides of the anchor head, then the operator can hold the handle 13 with one hand and rotate the bidirectional screw 2 with the other hand, the two second connecting blocks 5 and the two arc-shaped clamping plates 6 are respectively driven to move towards the mutually close directions through the two first threaded sliding sleeves and the two first connecting blocks 4, so that the two arc-shaped clamping plates 6 clamp the outer wall of the anchor head, the whole measuring device is installed on the anchor head, and then the measuring device can conveniently move synchronously with the anchor head;

then, the positions of the two displacement meters 9 can be adjusted, an operator can pull the pulling rod 20 to drive the clamping blocks 19 to be separated from the corresponding clamping grooves 16, then can pull the displacement meters 9 to drive the moving plate 15 to move in the moving grooves 14, adjust the transverse positions of the displacement meters 9 to enable the displacement meters 9 to move to the positions where the surface of the waist rail is smooth, then can release the pulling rod 20, under the pushing of the reinforcing spring, the lower pressing plate 18 pushes the clamping blocks 19 to be inserted into the corresponding clamping grooves 16, so that the displacement meters 9 can be fixed, then rotate the adjusting screw 10 to drive the displacement meters 9 to move towards the direction of the surface of the waist rail, so that probes on the displacement meters 9 are in contact with and compressed with the waist rail, so that the contact stability of the displacement meters 9 and the surface of the waist rail can be ensured, the use safety of the displacement meters 9 is ensured, after the position adjustment of the displacement meters 9 is completed in the above manner, when the anchor head is displaced, the displacement meters 9 can display displacement distances, and accordingly, the measurement effect is ensured.

the whole measuring device can be conveniently moved by arranging the handheld frame 1 and the handle 13, the use convenience of the measuring device is ensured, the installation and connection between the displacement measuring device and the anchor head can be quickly completed by the bidirectional screw 2, the transverse connecting through groove 3, the two first threaded sliding sleeves, the two second connecting blocks 5 and the two arc-shaped clamping plates 6, the operation is simple and convenient, the detection efficiency is improved, meanwhile, the anchor head with different diameters can be adapted, and the use range of the position detecting device is improved;

through connecting plate 7, the shifting chute 14, the movable plate 15, a plurality of card are held the groove 16, mount 17, holding plate 18, hold piece 19, pull rod 20 and reinforcing spring's setting, can adjust the position of displacement meter 9, conveniently make displacement meter 9 move to the comparatively level and smooth place in waist rail surface, avoid causing the inaccuracy of displacement meter 9 measuring result, simultaneously through adjusting frame 8, adjusting screw 10, adjust logical groove 11, the setting of second threaded sliding sleeve and regulating block 12, can adjust the contact force on displacement meter 9 and waist rail surface, can effectual improvement to the protection effect of displacement meter 9 to sum up.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An anchor head displacement measuring device for detecting the locking force of an anchor rod comprises: handheld frame, its characterized in that, rotate on the both sides inner wall of handheld frame and install two-way screw rod, the one end of two-way screw rod extends to outside the handheld frame, the bottom of handheld frame has been seted up the transverse connection and has been led to the groove, the transverse connection leads to the inslot and is provided with two first connecting blocks, the bottom of handheld frame is provided with two second connecting blocks, two the top of second connecting block respectively with two the bottom fixed connection of first connecting block, two the equal fixed mounting in bottom of second connecting block has the arc grip block, two equal fixed mounting has the connecting plate, two on the outer wall of arc grip block one side that the connecting plate was kept away from each other all is provided with the adjustment frame, two one side that the adjustment frame was kept away from each other all is provided with the displacement meter.

2. The anchor head displacement measuring device for detecting the locking force of the anchor rod as claimed in claim 1, wherein an adjusting screw is rotatably mounted on inner walls of two sides of the adjusting frame, a top end of the adjusting screw extends to a position above the adjusting frame, an adjusting through groove is formed in an outer wall of one side of the adjusting frame, an adjusting block is arranged in the adjusting through groove, and an outer wall of one side of the adjusting block extends out of the adjusting through groove and is fixedly connected with an outer wall of one side of the corresponding displacement meter.

3. The anchor head displacement measuring device for detecting the locking force of the anchor rod according to claim 1, wherein a moving slot is formed in an outer wall of one side of the connecting plate, a moving plate is slidably mounted on inner walls of two sides of the moving slot, an outer wall of one side of the moving plate extends to the outside of the moving slot and is fixedly connected with an outer wall of one side of the adjusting frame, a plurality of clamping grooves are formed in an outer wall of one side of the moving plate, a fixing frame is fixedly mounted on an outer wall of one side of the connecting plate, a lower pressing plate is slidably mounted on inner walls of two sides of the fixing frame, a clamping block is fixedly mounted on an outer wall of one side of the lower pressing plate, one side of the clamping block extends to correspond to the clamping groove and is matched with the clamping groove, a pulling rod is fixedly mounted on an outer wall of one side of the clamping block, and the other end of the pulling rod penetrates through the fixing frame and is slidably connected with the fixing frame.

4. The anchor head displacement measuring device for detecting the locking force of the anchor rod according to claim 3, wherein the pulling rod is sleeved with a reinforcing spring, one end of the reinforcing spring is fixedly connected with the inner wall of one side of the fixing frame, and the other end of the reinforcing spring is fixedly connected with the outer wall of one side of the lower pressing plate.

5. The anchor head displacement measuring device for detecting the locking force of the anchor rod according to claim 1, wherein two first threaded sliding sleeves are sleeved on the bidirectional screw rod, outer walls of the two first threaded sliding sleeves are fixedly connected with outer walls of one side of the two first connecting blocks respectively, and outer walls of the two first threaded sliding sleeves are slidably connected with an inner wall of one side of the handheld frame.

6. The anchor head displacement measuring device for detecting the locking force of the anchor rod as claimed in claim 2, wherein the adjusting screw is sleeved with a second threaded sliding sleeve, the outer wall of the second threaded sliding sleeve is fixedly connected with the outer wall of one side of the adjusting block, and the outer wall of the second threaded sliding sleeve is slidably connected with the inner walls of two sides of the adjusting frame.

7. The anchor head displacement measuring device for detecting the locking force of the anchor rod according to claim 1, wherein an arc-shaped rubber plate is fixedly mounted on the outer wall of one side of each of the two arc-shaped clamping plates, which is close to each other.