CN212585641U - Measuring device for blast hole - Google Patents

Measuring device for blast hole Download PDF

Info

Publication number
CN212585641U
CN212585641U CN202021772638.4U CN202021772638U CN212585641U CN 212585641 U CN212585641 U CN 212585641U CN 202021772638 U CN202021772638 U CN 202021772638U CN 212585641 U CN212585641 U CN 212585641U
Authority
CN
China
Prior art keywords
rod
measuring
gear
hole
workbench
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021772638.4U
Other languages
Chinese (zh)
Inventor
张福炀
陈熊熊
于绪杰
沈一红
杨朝光
胡建敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ansheng Blasting Engineering Co ltd
Original Assignee
Zhejiang Ansheng Blasting Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Ansheng Blasting Engineering Co ltd filed Critical Zhejiang Ansheng Blasting Engineering Co ltd
Priority to CN202021772638.4U priority Critical patent/CN212585641U/en
Application granted granted Critical
Publication of CN212585641U publication Critical patent/CN212585641U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The application relates to a measuring device of a blast hole, which comprises a workbench, wherein a sliding hole is formed in the workbench, a measuring rod is arranged in the sliding hole, a first latch is arranged on one side wall of the measuring rod, a first gear is arranged on the workbench and meshed with the first latch, and a driving mechanism for driving the first gear to rotate is arranged on the workbench; all rotate on the relative both sides wall of workstation and install first installation axle, the one end that the workstation was kept away from to first installation axle is rotated and is installed first dead lever, and the first dead lever is kept away from one of first installation axle and is served and seted up the groove of sliding, and the inslot that slides installs the second dead lever, and the one end that the first dead lever was kept away from to the second dead lever is rotated and is installed the fixed plate, and the fixed plate passes through bolt fixed mounting on the rock mass, and it is fixed with the second to go back threaded mounting on the first dead lever. The method and the device have the effect of accurately measuring the hole depth of the inclined blast hole.

Description

Measuring device for blast hole
Technical Field
The application relates to the technical field of mine blasting, in particular to a measuring device for a blast hole.
Background
Accurate measurement needs to be carried out to the blast hole when opening the blast hole on the mine to subsequent blasting construction can avoid the incident possibly.
Notice No. is CN 202109869U's chinese utility model discloses a deep hole blast hole depth measuring apparatu, including the support frame, the support frame is improved level and is extended the support horizontal pole, the cover is equipped with rather than normal running fit bobbin on supporting the horizontal pole, the winding has the survey rope on the bobbin, and a free end of survey rope is connected with the line and weighs down.
When the blast hole depth needs to be measured, the worker can determine the hole depth according to the length of the measuring rope after the line drop is placed to the bottom of the hole from the hole opening.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the blast hole is inclined, the measuring rope in the blast hole is difficult to keep a straight line state, so that a worker is difficult to accurately measure the hole depth of the blast hole through the length of the measuring rope.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lower problem of the data degree of accuracy that obtains when solving the blast hole that uses measuring line and plummet to measure the slope, this application provides a measuring device in blast hole.
The application provides a measuring device in blast hole adopts following technical scheme:
a measuring device for a blast hole comprises a workbench, wherein a sliding hole is formed in the workbench in a penetrating manner, a measuring rod is installed in the sliding hole in a sliding manner, a first clamping tooth is arranged on one side wall of the measuring rod along the length direction of the measuring rod, a first gear is installed on the workbench in a rotating manner and meshed with the first clamping tooth, and a driving mechanism for driving the first gear to rotate is further arranged on the workbench; all rotate on the relative both sides wall of workstation and install first installation axle, first installation axle is kept away from one of workstation is served and is radially rotated and install first dead lever, first dead lever is kept away from one of first installation axle is served and is followed the length direction of first dead lever has seted up the groove of sliding, the inslot cunning that slides of sliding is installed the second dead lever, the second dead lever is kept away from one of first dead lever is served and is rotated and install the fixed plate, the fixed plate passes through bolt fixed mounting just on the rock mass the rotation plane of fixed plate with the rotation plane of first dead lever is parallel, go back on the first dead lever threaded mounting fastening bolt with the second dead lever is connected.
Through adopting above-mentioned technical scheme, the staff passes through bolt fixed mounting back on the rock mass with the fixed plate, through adjusting first installation axle, the turned angle of first dead lever and fixed plate and through adjusting two second dead levers respectively and stretching out the length of adjustment tank can be adjusted the measuring stick to be parallel to each other with the blast hole that will measure, then just can be through the first gear of actuating mechanism drive and rotate, first gear drives the measuring stick and slides until the hole bottom towards blast hole inside, the staff can measure the degree of depth in blast hole through measuring the length of the measuring stick that stretches into blast hole inside, and the measuring stick is inflexible, the deep data in hole that measure is comparatively accurate.
Preferably, the measuring rod comprises a plurality of measuring branch rods with the same length, the measuring branch rods are slidably mounted in the sliding holes and are connected through connecting pieces, and the first latch is arranged on one side wall of each measuring branch rod along the length direction of the measuring branch rods.
Through adopting above-mentioned technical scheme, when measuring the blast hole of the different degree of depth, the accessible is adjusted the amalgamation and is formed the quantity of the measurement branch pole of measuring stick and adjust the length of measuring stick in order to adapt to the blast hole of the different degree of depth, and the suitability of measuring stick is wider and easily transport.
Preferably, the connecting piece comprises two elastic barbs arranged on one end face of the measuring branch rod at intervals, and the hooking directions of the two elastic barbs are opposite; the other end face of the measuring branch rod is also provided with an installation groove, and the side wall of the installation groove and the two ends of the notch of the installation groove are respectively provided with a flange which is matched and clamped with the elastic barb; and a separation piece used for pushing the elastic barb to be separated from the flange is further arranged at one end of the measuring branch rod, which is close to the mounting groove.
Through adopting above-mentioned technical scheme, two measurements divide the cooperation of pole accessible elasticity barb and flange to splice together more conveniently, and when needs will measure and divide the pole to accomodate, accessible breaks away from a promotion elasticity barb and flange and breaks away from, then just can take apart two measurements and accomodate.
Preferably, an installation through hole is formed in the side wall of one end, close to the installation groove, of the measuring branch rod, the installation groove is communicated with the installation through hole, the separating piece comprises two second clamping teeth which are rotatably installed on the side walls of the two ends of the installation through hole, and the tooth tips of the second clamping teeth extend out of the installation through hole; be provided with the push rod on the second latch, work as the elasticity barb joint is in when on the flange, the push rod is kept away from the one end of second latch supports the elasticity barb rotates two the second latch can promote two the elasticity barb is close to each other.
Through adopting above-mentioned technical scheme, the staff accessible push rod promotes the elasticity barb and is close to each other until elasticity barb and flange break away from when rotating the second latch, and then makes two measurements divide the pole to carry out the split more conveniently.
Preferably, when the elastic barb supports against the push rod, one side of the end face at one end of the tooth root of the second latch supports against the outer side wall of the measuring branch rod, a counting gear is rotatably mounted on the workbench, and the second latch can be in contact with the gear teeth of the counting gear when the measuring branch rod slides.
By adopting the technical scheme, when the measuring branch rod moves towards the blast hole, every time the measuring branch rod slides into one measuring branch rod, the second latch on the measuring branch rod can shift the counting gear to rotate for one grid, so that a worker can conveniently determine the number of the measuring branch rods entering the blast hole through the rotation of the counting gear, and further conveniently calculate the depth of the blast hole; and two measurement divide the pole concatenation back elasticity barb can support the push rod and make the difficult rotation of second latch for the second latch is more stable to stirring of counter gear, is difficult for not dialling.
Preferably, a third fixing rod is rotatably mounted on the workbench, one end, far away from the workbench, of the third fixing rod abuts against the counting gear, and a spring is connected between the third fixing rod and the workbench.
Through adopting above-mentioned technical scheme, after the third dead lever supported the count gear, under the effect of spring for the count gear is difficult for rotating under the circumstances of not having to stir, has further improved the count accuracy of count gear.
Preferably, the measuring branch rod deviates from one surface of the first clamping tooth and is provided with a limiting strip along the length direction, a limiting groove matched with the limiting strip in a sliding mode is vertically formed in the side wall of the sliding hole, and the working table is communicated with the limiting groove.
Through adopting above-mentioned technical scheme, the cooperation between measurement minute pole accessible spacing and the spacing groove makes the measurement minute pole difficult production side direction when sliding in the blast hole of orientation slide, has improved the stability of measurement minute pole at the during operation.
Preferably, the driving mechanism comprises a second mounting shaft rotatably mounted on the workbench, a second gear is coaxially and fixedly mounted on the second mounting shaft, the diameter of the second gear is larger than that of the first gear, and the second gear is meshed with the first gear; one end of the second installation shaft is radially provided with a first force applying rod, one end, far away from the second installation shaft, of the first force applying rod is rotatably provided with a first handle, and the axis of the first handle is parallel to the axis of the second installation shaft.
Through adopting above-mentioned technical scheme, the staff accessible first handle and first application of force pole rotate second installation axle and second gear less power, and the great second gear of diameter can drive the less first gear of diameter and rotate fast for the staff can be with measuring the branch pole cunning fast and move to the bottom in blast hole.
Preferably, a polished rod is arranged on one surface of the workbench, which is away from the first gear, a lead screw is arranged on the workbench in a penetrating manner and is rotatably arranged on the workbench, and the lead screw and the polished rod are parallel to the measuring branch rod; a positioning plate vertical to the polished rod is slidably mounted on the polished rod, one end of the screw rod penetrates through the positioning plate and is in threaded fit with the positioning plate, a second force applying rod is radially mounted at the other end of the screw rod, and a second handle is rotatably mounted at one end, far away from the screw rod, of the second force applying rod; the locating plate is circular just the chamfer has been seted up on the outer fringe of the one side that the locating plate supported the rock mass, link up equally on the locating plate and seted up the hole of sliding, link up equally in the hole of sliding and seted up the spacing groove, measure the branch pole and slide and install two in the hole of sliding.
Through adopting above-mentioned technical scheme, staff's accessible second handle and second application of force pole rotate the lead screw more laborsavingly, and the lead screw promotes the locating plate and withstands the drill way towards the lateral wall of drill way department slipping to the chamfer department of blast hole, and then makes the staff can be more convenient fast will measure the branch pole and adjust to being parallel state with the blast hole.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the staff accessible is measured the measuring stick length that gets into the inside blast hole and can be measured the hole depth in blast hole more conveniently, and the measuring stick is not flexible, and measurement accuracy is higher.
2. The measuring stick is formed through the concatenation of a plurality of measurement branches poles for the transport of measuring stick is more convenient with accomodating.
3. The counting gear is shifted through the second latch, so that the number of the measuring branch rods entering the inner part of the blast hole can be conveniently known by a worker, and the depth of the blast hole can be conveniently calculated.
Drawings
FIG. 1 is a schematic perspective view of the present application, in which the ratio of the measuring branch to the working table is not in accordance with the actual situation and only a part of the measuring branch is shown for convenience of representation;
FIG. 2 is a schematic cross-sectional view of the present application at the junction of two measuring branches.
Reference numerals: 1. a work table; 11. a sliding hole; 111. a limiting groove; 12. a first gear; 13. a first mounting shaft; 14. a first fixing lever; 141. a sliding groove; 142. fastening a bolt; 15. a second fixing bar; 16. a fixing plate; 17. a polish rod; 171. positioning a plate; 172. chamfering; 18. a screw rod; 181. a second force application rod; 182. a second handle; 2. a measuring rod; 21. a first latch; 22. measuring the branch rods; 23. a connecting member; 231. elastic barbs; 232. mounting grooves; 233. blocking edges; 24. a limiting strip; 3. a disengaging member; 31. a second latch; 32. a push rod; 33. mounting a through hole; 4. a drive mechanism; 41. a second mounting shaft; 42. a second gear; 43. a first force application rod; 44. a first handle; 5. a counting gear; 51. a third fixing bar; 52. a spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses measuring device in blast hole refers to fig. 1, including workstation 1, link up on workstation 1 and seted up sliding hole 11, and measuring stick 2 is installed in sliding hole 11. All rotate on the relative both sides wall of workstation 1 and install first installation axle 13, radially rotate and install first dead lever 14 on the one end of workstation 1 is kept away from to first installation axle 13, and first dead lever 14 is kept away from and is seted up the groove 141 that slides along the length direction of first dead lever 14 on the terminal surface of first installation axle 13, and the second dead lever 15 is installed in the inslot 141 that slides.
A fixing plate 16 is rotatably mounted on one end of the second fixing rod 15 far away from the first fixing rod 14, the fixing plate 16 is fixedly mounted on the rock body through bolts, and the rotating plane of the fixing plate 16 is overlapped with the rotating plane of the first fixing rod 14. The side wall of the first fixing rod 14 is further provided with a fastening bolt 142 in a threaded manner, and the fastening bolt 142 can be rotated to abut against the second fixing rod 15.
Referring to fig. 1 and 2, the measuring rod 2 is composed of 15 measuring branch rods 22 with the same length, the measuring branch rods 22 are slidably mounted in the sliding holes 11, the measuring branch rods 22 are connected through a connecting piece 23, the connecting piece 23 comprises two elastic barbs 231 welded on one end face of the measuring branch rod 22 at intervals, and the hooking directions of the two elastic barbs 231 are opposite. The other end surface of the measuring branch rod 22 is further provided with an installation groove 232, and the side wall of the installation groove 232 is provided with a flange 233 matched and clamped with the elastic barb 231 along the notch.
A first latch 21 is integrally arranged on one side wall of the measuring branch rod 22 along the length direction of the measuring branch rod 22, and a limit strip 24 is integrally arranged on the side wall of the measuring branch rod, which is deviated from the first latch 21, along the length direction of the measuring branch rod. Rotate on workstation 1 and install first gear 12, first gear 12 meshes with first latch 21 mutually, vertically offers on the lateral wall of the hole 11 that slides on workstation 1 and slides complex spacing groove 111 mutually with spacing 24, and spacing groove 111 link up workstation 1.
The measuring branch rod 22 is also provided with a separating piece 3 at one end close to the mounting groove 232, a mounting through hole 33 is formed in the side wall of the measuring branch rod 22, and the mounting groove 232 is communicated with the mounting through hole 33. The release member 3 includes two second latches 31 rotatably mounted on the side walls of both ends of the mounting through-hole 33.
The push rod 32 is integrally arranged on the end face of the tooth root end of the second latch 31, and when the elastic barb 231 is clamped on the rib 233, one end of the push rod 32, which is far away from the second latch 31, supports against the elastic barb 231 and one side of the end face of the tooth root end of the second latch 31 supports against the outer side wall of the measuring branch rod 22. Rotating the two second latches 31 pushes the two resilient barbs 231 closer together.
The workbench 1 is rotatably provided with a counting gear 5, and the second clamping tooth 31 can be contacted with the gear teeth of the counting gear 5 when the measuring branch rod 22 slides. A third fixing rod 51 is rotatably mounted on the workbench 1, one end of the third fixing rod 51 far away from the workbench 1 abuts against the counting gear 5, and the middle part of the third fixing rod 51 is connected with the workbench 1 through a spring 52.
The worktable 1 is provided with a driving mechanism 4, the driving mechanism 4 comprises a second mounting shaft 41 rotatably mounted on the worktable 1, a second gear 42 meshed with the first gear 12 is coaxially and fixedly mounted on the second mounting shaft 41, and the diameter of the second gear 42 is twice that of the first gear 12. A first force applying rod 43 is radially welded at one end of the second mounting shaft 41, a first handle 44 is rotatably mounted at one end of the first force applying rod 43, which is far away from the second mounting shaft 41, and the axis of the first handle 44 is parallel to the axis of the second mounting shaft 41.
Install polished rod 17 on the one side of workstation 1 that deviates from first gear 12, still wear to be equipped with lead screw 18 and lead screw 18 rotation on workstation 1, lead screw 18 all is parallel with measuring minute pole 22 with polished rod 17. The polished rod 17 is slidably provided with a positioning plate 171 perpendicular to the polished rod, and one end of the screw rod 18 penetrates through the positioning plate 171 and is in threaded fit with the positioning plate 171.
A second force applying rod 181 is radially welded at the other end of the screw rod 18, and a second handle 182 is rotatably mounted at one end of the second force applying rod 181 far away from the screw rod 18. The positioning plate 171 is circular and the chamfer 172 is opened on the outer fringe of the one side that the positioning plate 171 supports the rock mass, the hole 11 that slides has been seted up to the same link up on the positioning plate 171, link up the card equally in the hole 11 that slides and be equipped with spacing groove 111, measure and divide the pole 22 to slide and install in two holes 11 that slide.
The working principle of the embodiment of the application is as follows: after the fixing plate 16 is fixedly installed on a rock body through bolts, the screw rod 18 is rotated through the second handle 182 and the second force applying rod 181, the screw rod 18 drives the positioning plate 171 to move towards the blasting hole until the chamfer 172 of the positioning plate 171 supports the hole opening of the blasting hole, the second handle 44 and the first force applying rod 43 drive the second mounting shaft 41 to rotate, the second mounting shaft 41 drives the second gear 42 to rotate, the second gear 42 drives the first gear 12 to rotate, the first gear 12 drives the measuring rod 2 formed by the measuring branch rod 22 to slide towards the inside of the blasting hole until one end of the measuring rod 2 supports the hole bottom of the blasting hole.
The staff can obtain the quantity that gets into the inside measuring minute pole 22 of blast hole through the number of turns of record count gear 5 pivoted, again will not get into the inside measuring minute pole 22 of blast hole totally and get into the inside length of blast hole and measure the back plus the quantity that gets into the inside measuring minute pole 22 of blast hole and be the length that measures minute pole 22 every and can measure the degree of depth in blast hole more accurately.
When the measuring branch rod 22 is disassembled, the second latch 31 is rotated towards the inside of the installation through hole 33, and then the push rod 32 on the second latch 31 pushes the two elastic barbs 231 to approach each other until the elastic barbs 231 are separated from the flanges 233, so that the two measuring branch rods 22 can be disassembled.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A measuring device of blast hole which characterized in that: the device comprises a workbench (1), wherein a sliding hole (11) is formed in the workbench (1) in a penetrating manner, a measuring rod (2) is installed in the sliding hole (11) in a sliding manner, a first clamping tooth (21) is arranged on one side wall of the measuring rod (2) along the length direction of the measuring rod, a first gear (12) is installed on the workbench (1) in a rotating manner, the first gear (12) is meshed with the first clamping tooth (21), and a driving mechanism (4) for driving the first gear (12) to rotate is further arranged on the workbench (1); a first mounting shaft (13) is rotatably arranged on two opposite side walls of the workbench (1), a first fixed rod (14) is radially and rotatably arranged on one end of the first mounting shaft (13) far away from the workbench (1), a sliding groove (141) is arranged on one end of the first fixing rod (14) far away from the first mounting shaft (13) along the length direction of the first fixing rod (14), a second fixing rod (15) is slidably arranged in the sliding groove (141), a fixing plate (16) is rotatably arranged on one end of the second fixing rod (15) far away from the first fixing rod (14), the fixing plate (16) is fixedly arranged on a rock body through bolts, the rotating plane of the fixing plate (16) is parallel to the rotating plane of the first fixing rod (14), and a fastening bolt (142) is further installed on the first fixing rod (14) in a threaded manner and is connected with the second fixing rod (15).
2. A blasthole measurement apparatus as set forth in claim 1, further comprising: the measuring rod (2) comprises a plurality of measuring branch rods (22) with the same length, the measuring branch rods (22) are slidably mounted in the sliding holes (11), the measuring branch rods (22) are connected through connecting pieces (23), and the first clamping teeth (21) are arranged on one side wall of each measuring branch rod (22) along the length direction of the measuring branch rods (22).
3. A blasthole measurement apparatus as set forth in claim 2, further comprising: the connecting piece (23) comprises two elastic barbs (231) which are arranged on one end face of the measuring branch rod (22) at intervals, and the hooking directions of the two elastic barbs (231) are opposite; an installation groove (232) is further formed in the other end face of the measuring branch rod (22), and flanges (233) matched and clamped with the elastic barb (231) are arranged on the side wall of the installation groove (232) and located at two ends of the notch of the installation groove; and a separation piece (3) used for pushing the elastic barb (231) to be separated from the rib (233) is further arranged at one end, close to the mounting groove (232), of the measuring branch rod (22).
4. A blasthole measurement apparatus as set forth in claim 3, further comprising: a mounting through hole (33) is formed in the side wall of one end, close to the mounting groove (232), of the measuring branch rod (22), the mounting groove (232) is communicated with the mounting through hole (33), the separating piece (3) comprises two second clamping teeth (31) rotatably mounted on the side walls of two ends of the mounting through hole (33), and the tooth tips of the second clamping teeth (31) extend out of the mounting through hole (33); be provided with push rod (32) on second latch (31), when elasticity barb (231) joint is in on flange (233), push rod (32) keep away from the one end of second latch (31) supports elasticity barb (231), rotates two second latch (31) can promote two elasticity barb (231) are close to each other.
5. A blast hole measuring apparatus according to claim 4, wherein: when elasticity barb (231) support push rod (32), one side of the terminal surface of second latch (31) tooth root one end supports the lateral wall of measuring branch pole (22), it installs count gear (5) to rotate on workstation (1), can make when measuring branch pole (22) and sliding second latch (31) with the teeth of a cogwheel contact of count gear (5).
6. A blast hole measuring device according to claim 5, wherein: the rotary worktable is characterized in that a third fixing rod (51) is rotatably mounted on the worktable (1), the third fixing rod (51) is far away from one end of the worktable (1) to abut against the counting gear (5), and a spring (52) is connected between the third fixing rod (51) and the worktable (1).
7. A blasthole measurement apparatus as set forth in claim 6, further comprising: the measuring branch rod (22) deviates from one surface of the first clamping tooth (21) and is provided with a limiting strip (24) along the length direction of the first clamping tooth, a limiting groove (111) which is matched with the limiting strip (24) in a sliding mode is vertically formed in the side wall of the sliding hole (11), and the limiting groove (111) is communicated with the workbench (1).
8. A blasthole measurement apparatus as set forth in claim 1, further comprising: the driving mechanism (4) comprises a second mounting shaft (41) rotatably mounted on the workbench (1), a second gear (42) is coaxially and fixedly mounted on the second mounting shaft (41), the diameter of the second gear (42) is larger than that of the first gear (12), and the second gear (42) is meshed with the first gear (12); one end of the second mounting shaft (41) is radially provided with a first force applying rod (43), one end, far away from the second mounting shaft (41), of the first force applying rod (43) is rotatably provided with a first handle (44), and the axis of the first handle (44) is parallel to the axis of the second mounting shaft (41).
9. A blasthole measurement apparatus as set forth in claim 7, further comprising: a polished rod (17) is installed on one surface, away from the first gear (12), of the workbench (1), a lead screw (18) is further arranged on the workbench (1) in a penetrating mode, the lead screw (18) is installed on the workbench (1) in a rotating mode, and the lead screw (18) and the polished rod (17) are parallel to the measuring branch rod (22); a positioning plate (171) perpendicular to the polished rod (17) is slidably mounted on the polished rod (17), one end of the screw rod (18) penetrates through the positioning plate (171) and is in threaded fit with the positioning plate (171), a second stressing rod (181) is radially mounted at the other end of the screw rod (18), and a second handle (182) is rotatably mounted at one end, far away from the screw rod (18), of the second stressing rod (181); locating plate (171) are circular just locating plate (171) have seted up chamfer (172) on the outer fringe of the one side of propping the rock mass, it has seted up hole (11) that slide to link up equally on locating plate (171), it has seted up to link up equally in hole (11) that slides spacing groove (111), measure and divide pole (22) to slide and install two in hole (11) slides.
CN202021772638.4U 2020-08-21 2020-08-21 Measuring device for blast hole Active CN212585641U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021772638.4U CN212585641U (en) 2020-08-21 2020-08-21 Measuring device for blast hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021772638.4U CN212585641U (en) 2020-08-21 2020-08-21 Measuring device for blast hole

Publications (1)

Publication Number Publication Date
CN212585641U true CN212585641U (en) 2021-02-23

Family

ID=74652864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021772638.4U Active CN212585641U (en) 2020-08-21 2020-08-21 Measuring device for blast hole

Country Status (1)

Country Link
CN (1) CN212585641U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113432559A (en) * 2021-05-12 2021-09-24 徐明全 Measuring device for measuring blast hole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113432559A (en) * 2021-05-12 2021-09-24 徐明全 Measuring device for measuring blast hole
CN113432559B (en) * 2021-05-12 2024-05-14 安徽江南爆破工程有限公司池州分公司 Measuring device for measuring blast hole

Similar Documents

Publication Publication Date Title
CN212585641U (en) Measuring device for blast hole
CN209102647U (en) A kind of steel pipe seam x-ray detection device
CN212510172U (en) Horizontal fixing device for reconnaissance and surveying and mapping
CN210048303U (en) Natural vertical steel wire utilizing bearing rotating force
CN218822356U (en) Inclinometer with stable base
CN215893467U (en) Highway engineering supervision and detection device
CN206695775U (en) A kind of cotton rope measurement apparatus
CN213455252U (en) Detection apparatus for foundation construction sediment thickness
CN211397559U (en) Underground coal mine drilling depth measuring device
CN208860379U (en) A kind of rings survey bracket for subway engineering shield section
CN214199941U (en) Be used for pipe laying degree of depth measuring device
CN112483830A (en) Open-air measuring mechanical fixing device
CN219714481U (en) Water level safety detection device
CN220061255U (en) Mobilizable building site monitoring device
CN218212367U (en) Multi-directional anchor rod tension meter
CN219859941U (en) Sounding device with wire arranging and storing functions
CN218157867U (en) Underground water surveying device for coal mining
CN219119171U (en) Fixing device for sampling
CN211121448U (en) Underground water level surveying device
CN221377167U (en) Sampling device is surveyed to land mineral products
CN220036651U (en) Hydrogeological exploration ground water level observation device
CN216049771U (en) Geotechnical geological investigation depth measuring equipment
CN220829257U (en) Water conservancy surveys fluviograph
CN220356455U (en) Water level measurer
CN220118105U (en) Monitoring and measuring device for drilling depth of seismic exploration seismic source

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant