CN220454760U - Anchor rod tension meter protection device - Google Patents

Abstract

The utility model discloses a protection device for an anchor rod tension meter, and relates to the field of coal mine safety production. This stock tension meter protector installs the tension meter oil roof in the stock outside after, through emboliaing the handle in the lock ring through movable rod department, rotate movable rod to with the catch adaptation again, rotate screw thread section of thick bamboo and make screw thread section of thick bamboo cup joint with the catch, realize spacing and fixed to the movable rod, through cup jointing the installation sleeve at the mount pad surface, realize the telescopic demountable installation of installation through fixing bolt and bolt hole, with the end threaded connection of stock nut and stock again, when rotating the stock nut, the mount pad rotates on the movable seat, avoid driving the chain to rotate and influence the tightening of stock nut, can accomplish the holistic installation of protector, the stock is deviate from the oil roof in drawing the stock test, apply traction force to the stock end through the chain, effectively avoid the stock to damage peripheral instrument, even damage peripheral personnel, the security has been increased.

Description

Anchor rod tension meter protection device

Technical Field

The utility model relates to the field of coal mine safety production, in particular to a protection device for an anchor rod tension meter.

Background

In the tunneling construction of underground coal mine roadways, anchor bolt support is needed, and in order to ensure whether the construction quality of the anchor bolt support meets the standard, a special detection tool is needed to carry out a pull test on an anchor bolt so as to ensure that the anchor bolt support meets the requirement, and the use of an anchor bolt tension meter is involved.

The anchor rod tension meter is an instrument for testing the tension of an anchor rod, can accurately measure the tension of the anchor rod in the using process, is an anchor rod detection tool which is necessary for a coal mine excavation team, and when the anchor rod applies tension, a strain sensor in the anchor rod tension meter can be strained, and the strain sensor can generate tiny resistance change. This resistance change is converted to a digital signal by an internal circuit and displayed by a display screen to provide the magnitude of the tension of the anchor.

When the existing anchor rod tension meter lacks a protection device during detection and meets the condition that anchor rod support is unqualified, the anchor rod is easy to deviate from oil tops in an anchor rod drawing test to damage peripheral instruments and even hurt peripheral personnel, unnecessary loss is caused, and the potential safety hazard is large.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the protection device for the anchor rod tension meter, which solves the problems that when the existing anchor rod tension meter lacks the protection device during detection and meets the failure of anchor rod support, the anchor rod is easy to deviate from an oil top in the anchor rod drawing test to damage peripheral instruments, even hurt peripheral personnel, cause unnecessary loss and have larger potential safety hazard.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an anchor rod tension meter protector, includes tension meter oil roof, tension meter oil roof's lower extreme fixed mounting has the handle, the surface of handle has cup jointed safe hasp, safe hasp's front end fixed mounting has the chain, the one end that safe hasp was kept away from to the chain is provided with the movable seat, the rear end of movable seat is provided with the mount pad, the bolt hole has been seted up on the mount pad surface, the outside of mount pad is provided with the installation sleeve, the upper and lower both sides of installation sleeve all are provided with fixing bolt, installation sleeve rear end fixed mounting has anchor rod nut.

Preferably, the safety lock catch comprises a lock ring, the front end of the lock ring is fixedly connected with a lock chain, the right side of the lock ring is provided with a movable rod, and the outer side of the movable rod is sleeved with a threaded cylinder, so that the safety lock catch is convenient to install.

Preferably, the front end of the movable rod is rotationally connected with the locking ring, the rear end of the movable rod is mutually matched with the locking ring, and the sleeving connection of the locking ring and the handle is convenient to realize.

Preferably, the front end of the threaded cylinder is in threaded connection with the surface of the movable rod, and the inner side of the rear end of the threaded cylinder is mutually matched with the outer sides of the locking ring and the movable rod, so that the movable rod can be conveniently locked.

Preferably, the front end of the movable seat is fixedly connected with the lock chain, the rear end of the movable seat is rotationally connected with the mounting seat, and the rotation of the mounting seat is realized, so that the rotation of the anchor rod nut is facilitated.

Preferably, the inside of installation sleeve and mount pad looks adaptation each other, the bolt hole is upper and lower symmetry and is provided with two, fixing bolt and bolt hole threaded connection realize the detachable connection of installation sleeve and mount pad, make things convenient for the dismouting and the replacement of stock nut.

Advantageous effects

The utility model provides a protection device for an anchor rod tension meter. Compared with the prior art, the method has the following beneficial effects:

1. this stock tensiometer protector through setting up tensiometer oil roof, handle, catch, movable rod, screw thread section of thick bamboo, installs the tensiometer oil roof in the stock outside after, makes the movable rod surface that rotates the screw thread section of thick bamboo through rotating the screw thread section of thick bamboo, and the catch breaks away from the inboard of screw thread section of thick bamboo to make the movable rod realize rotating, embolia the lock ring with the handle through movable rod department, rotate the movable rod again to with the catch adaptation, rotate the screw thread section of thick bamboo and make screw thread section of thick bamboo and catch cup joint, realize spacing and fixed to the movable rod, thereby realize the installation of safe hasp.

2. This stock tensiometer protector through setting up mount pad, installation sleeve, stock nut, movable seat, through cup jointing the installation sleeve at the mount pad surface, realizes the detachable installation of installation sleeve through fixing bolt and the threaded connection of bolt hole, makes things convenient for subsequent dismouting to change, again with the end threaded connection of stock nut and stock, when rotating the stock nut, the mount pad rotates on the movable seat, avoids driving the chain to rotate and influences the tightening of stock nut, can accomplish the holistic installation of protector.

3. This stock tensiometer protector through setting up handle, safety hasp, chain, stock nut, runs into the anchor bolt and supports unqualified time, and the stock deviate from the oil roof in drawing the stock test, is connected through safety hasp and handle this moment to and stock nut and stock end be connected, makes the chain apply traction force to the stock end, effectively avoids the stock to damage peripheral instrument, trails peripheral personnel even, causes unnecessary loss, has increased the security.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of a safety latch of the present utility model in semi-section;

fig. 3 is a schematic side view of a mounting base and a mounting sleeve of the present utility model.

In the figure: 1. a tensiometer oil top; 2. a handle; 3. a safety lock catch; 31. a locking ring; 32. a movable rod; 33. a thread cylinder; 4. a chain; 5. a movable seat; 6. a mounting base; 61. bolt holes; 7. a mounting sleeve; 71. a fixing bolt; 8. and (5) an anchor rod nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an stock tensiometer protector, including tensiometer oil top 1, the lower extreme fixed mounting of tensiometer oil top 1 has handle 2, the surface of handle 2 has cup jointed safety catch 3, safety catch 3 includes catch 31, the front end and the chain 4 fixed connection of catch 31, the right side of catch 31 is provided with movable rod 32, the outside of movable rod 32 has cup jointed threaded cylinder 33, the front end and the catch 31 rotation of movable rod 32 are connected, movable rod 32 rear end and catch 31 mutually support, the front end and the surface screw thread of movable rod 32 are connected, the inboard of threaded cylinder 33 rear end and catch 31, the outside of movable rod 32 mutually support, behind the installation in the stock outside with tensiometer oil top 1, make through rotating threaded cylinder 33 remove to movable rod 32 surface, catch 31 breaks away from the inboard of threaded cylinder 33, thereby make movable rod 32 realize rotating, handle 2 embolias in movable rod 32, again with movable rod 32 rotate to with 31 adaptation, rotate threaded cylinder 33 make threaded cylinder 33 cup joint with catch 31, realize locking ring 32, thereby realize the safety stop mounting of fixed with catch 3;

the front end fixed mounting of safety hasp 3 has chain 4, the one end that safety hasp 3 was kept away from to chain 4 is provided with movable seat 5, the rear end of movable seat 5 is provided with mount pad 6, the front end and the chain 4 fixed connection of movable seat 5, the rear end and the mount pad 6 rotation of mount pad 5 are connected, bolt hole 61 has been seted up on the mount pad 6 surface, the outside of mount pad 6 is provided with mounting sleeve 7, the upper and lower both sides of mounting sleeve 7 all are provided with fixing bolt 71, the inboard of mounting sleeve 7 and the mutual adaptation of mount pad 6, the bolt hole 61 is the bilateral symmetry and is provided with two, fixing bolt 71 and bolt hole 61 threaded connection, mounting sleeve 7 rear end fixed has anchor bolt nut 8, through cup joint mounting sleeve 7 at the mount pad 6 surface, realize the demountable installation of mounting sleeve 7 through fixing bolt 71 and bolt hole 61, the end threaded connection of convenient follow-up anchor bolt nut 8 and stock, when rotating anchor bolt 8, mount pad 6 rotates on movable seat 5, avoid driving chain 4 rotation influence nut 8 screw down, can accomplish protector's whole installation at the anchor bolt, the anchor bolt nut is difficult to be out of the end, the end is damaged in the anchor bolt nut 3 is difficult to the end, the end is prevented from being damaged in the pull-out, the safety catch device is difficult to the end, the end is applied to the safety catch device is damaged in the safety catch, the safety catch device is difficult to the safety catch device, the end is connected, and the end is damaged by the safety catch device is difficult to the safety catch is applied, and the end is required, and the end is broken.

In use, after the tensiometer oil jack 1 is installed on the outer side of an anchor rod, the rotary thread cylinder 33 is moved to the surface of the movable rod 32 through the rotary thread cylinder 33, the lock ring 31 is separated from the inner side of the thread cylinder 33, so that the movable rod 32 is rotated, the handle 2 is sleeved into the lock ring 31 through the movable rod 32, the movable rod 32 is rotated to be matched with the lock ring 31, the thread cylinder 33 is sleeved with the lock ring 31, the limit and the fixation of the movable rod 32 are realized, the installation of the safety lock catch 3 is realized, the anchor rod nut 8 with a proper size is selected, the installation sleeve 7 is sleeved on the surface of the installation seat 6, the detachable installation of the installation sleeve 7 is realized through the threaded connection of the fixing bolt 71 and the bolt hole 61, the anchor rod nut 8 is connected with the end thread of the anchor rod, the installation seat 6 is rotated on the movable seat 5, the whole installation of the anchor rod nut 8 is prevented from being influenced by the rotation of the lock chain 4, the installation of the whole protection device can be completed, the oil jack in the test is realized when the anchor rod is unqualified in the support pull, the anchor rod is not qualified, the connection of the safety lock catch 3 and the anchor rod nut 2 is prevented from being damaged, the end head is damaged, the loss of the anchor rod nut is effectively is prevented, and the loss of the anchor rod is prevented from being caused, and the peripheral loss is caused by the application of the anchor rod nut is effectively, and the loss is not is caused to the necessary.

And all that is not described in detail in this specification is well known to those skilled in the art.

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

Claims (6)

1. The utility model provides an anchor rod tension meter protector, includes tension meter oil top (1), its characterized in that: the tension meter oil jack is characterized in that a handle (2) is fixedly arranged at the lower end of the tension meter oil jack (1), a safety lock catch (3) is sleeved on the surface of the handle (2), a lock chain (4) is fixedly arranged at the front end of the safety lock catch (3), a movable seat (5) is arranged at one end, far away from the safety lock catch (3), of the lock chain (4), a mounting seat (6) is arranged at the rear end of the movable seat (5), bolt holes (61) are formed in the surface of the mounting seat (6), a mounting sleeve (7) is arranged at the outer side of the mounting seat (6), fixing bolts (71) are arranged at the upper side and the lower side of the mounting sleeve (7), and an anchor rod nut (8) is fixedly arranged at the rear end of the mounting sleeve (7).

2. The roof bolt pull meter guard of claim 1, wherein: the safety lock catch (3) comprises a lock ring (31), the front end of the lock ring (31) is fixedly connected with a lock chain (4), a movable rod (32) is arranged on the right side of the lock ring (31), and a threaded cylinder (33) is sleeved on the outer side of the movable rod (32).

3. The anchoring-bolt extensometer guard according to claim 2, wherein: the front end of the movable rod (32) is rotatably connected with the locking ring (31), and the rear end of the movable rod (32) and the locking ring (31) are mutually matched.

4. A roof bolt pull meter guard according to claim 3, wherein: the front end of the threaded cylinder (33) is in threaded connection with the surface of the movable rod (32), and the inner side of the rear end of the threaded cylinder (33) is mutually matched with the outer sides of the locking ring (31) and the movable rod (32).

5. The roof bolt pull meter guard of claim 1, wherein: the front end of the movable seat (5) is fixedly connected with the lock chain (4), and the rear end of the movable seat (5) is rotatably connected with the mounting seat (6).

6. The roof bolt pull meter guard of claim 1, wherein: the inner side of the mounting sleeve (7) is mutually matched with the mounting seat (6), two bolt holes (61) are symmetrically arranged up and down, and the fixing bolts (71) are in threaded connection with the bolt holes (61).