CN220638462U - Drilling limiting tool - Google Patents

Drilling limiting tool Download PDF

Info

Publication number
CN220638462U
CN220638462U CN202320864282.4U CN202320864282U CN220638462U CN 220638462 U CN220638462 U CN 220638462U CN 202320864282 U CN202320864282 U CN 202320864282U CN 220638462 U CN220638462 U CN 220638462U
Authority
CN
China
Prior art keywords
rod
short
limit
long
vertical rod
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
CN202320864282.4U
Other languages
Chinese (zh)
Inventor
朱守泰
张志龙
郭昊
张振坤
王小雨
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.)
Sixth Engineering Co Ltd Of Cccc Fourth Highway Engineering Co ltd
CCCC Construction Group Co Ltd
Original Assignee
Sixth Engineering Co Ltd Of Cccc Fourth Highway Engineering Co ltd
CCCC Construction Group 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 Sixth Engineering Co Ltd Of Cccc Fourth Highway Engineering Co ltd, CCCC Construction Group Co Ltd filed Critical Sixth Engineering Co Ltd Of Cccc Fourth Highway Engineering Co ltd
Priority to CN202320864282.4U priority Critical patent/CN220638462U/en
Application granted granted Critical
Publication of CN220638462U publication Critical patent/CN220638462U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The application relates to the field of building construction, in particular to a drilling limit tool, which comprises an electric drill and a lever mechanism, wherein the lever mechanism comprises a long cross rod, a short cross rod, a fixed vertical rod and a movable vertical rod; the long cross rod and the short cross rod are parallel to each other, one ends of the long cross rod and the short cross rod are hinged on the movable vertical rod, the long cross rod and the short cross rod are also hinged with the fixed vertical rod, and the long cross rod, the short cross rod, the fixed vertical rod and the movable vertical rod form a quadrangle; short horizontal pole and long horizontal pole are located the upper and lower both sides of quadrangle, fix montant and move the montant and be located the left and right sides of quadrangle, the fixed top that sets up of electric drill is moving the montant, and the drill bit is vertical upwards, and this application has avoided when needs to the drilling of top structure concrete, builds the process of platform, labour saving and time saving has improved work efficiency.

Description

Drilling limiting tool
Technical Field
The application relates to the field of building construction, in particular to a drilling limit using tool.
Background
In the construction, the secondary filling wall construction is needed, and constructional columns are needed to be additionally arranged in the middle, the end heads or the corners of the filling wall during the secondary filling wall construction according to the related specification requirements, so that the main structure concrete is needed to be drilled with holes and planted with ribs, and then the constructional column reinforced bars are bound to pour the concrete.
However, when the drill hole on the top end of the constructional column is perforated, because the distance from the ground is too high, the construction is not easy, an operation platform is firstly erected in the prior art, and a worker can only work after standing on the platform, so that the operation is very inconvenient, and the working efficiency is very low.
Disclosure of Invention
In order to avoid the tedious process of building a platform, the application improves the working efficiency and provides a drilling limit tool.
The technical aim of the application is achieved through the following technical scheme:
the drilling limit using tool comprises an electric drill and a lever mechanism, wherein the lever mechanism comprises a long cross rod, a short cross rod, a fixed vertical rod and a movable vertical rod; the long cross rod and the short cross rod are parallel to each other, one ends of the long cross rod and the short cross rod are hinged to the movable vertical rod, and the long cross rod and the short cross rod are also hinged to the fixed vertical rod. The long cross rod, the short cross rod, the fixed vertical rod and the movable vertical rod enclose a quadrangle; the long cross rod and the short cross rod are positioned on the upper side and the lower side of the quadrangle, the fixed vertical rod and the movable vertical rod are mutually parallel and positioned on the left side and the right side of the quadrangle, the electric drill is fixedly arranged on the top end of the movable vertical rod, and the drill bit is vertically upwards.
Through above-mentioned technical scheme, when need drilling to the major structure concrete at top, will decide montant and ground butt, open the power of electric drill, implement decurrent pressure to long horizontal pole, long horizontal pole rotates along the pin joint with deciding the montant, the other end of long horizontal pole upwards rotates, move montant along with long horizontal pole upwards with long horizontal pole fixed connection this moment, fix the electric drill on moving the montant top and upwards move simultaneously and carry out drilling to the structural concrete at top, this application is direct through the articulated rotation between the lever mechanism, make the electric drill directly can drill to the top of concrete, the process of building the platform has been avoided, labour saving and time saving. Further, when the whole drilling tool is idle, the long cross rod and the short cross rod rotate to the long cross rod along the hinge point with the fixed vertical rod, and the short cross rod is perpendicular to the movable vertical rod so as to realize folding of the lever mechanism, so that the folding device is convenient to carry.
Preferably, the distance that the long cross bar exceeds the fixed vertical rod is greater than the distance that the short cross bar exceeds the fixed vertical rod.
Through above-mentioned technical scheme, the length of long horizontal pole arm of force is greater than the length of short horizontal pole arm of force, according to lever principle, just reached laborsaving effect when implementing pressure to the long horizontal pole of power arm length.
Preferably, the movable vertical rod is horizontally provided with a limit short rod, the fixed vertical rod is horizontally fixed with a limit long rod, and one end of the limit long rod extends to the limit short rod.
Through the technical scheme, in the process of ascending drilling of the movable vertical rod, the limit short rod fixed on the movable vertical rod ascends along with the ascending of the movable vertical rod, when the limit short rod ascends to the contact of the limit long rod, the movable vertical rod stops drilling upwards, because the electric drill and the limit short rod are fixed on the movable vertical rod, the moving distance of the movable vertical rod is the displacement of the limit short rod, and meanwhile, the drilling depth of the electric drill, further, the displacement of the limit short rod is the drilling depth of the electric drill, therefore, when the accurate drilling depth is needed, only the distance between the limit short rod and the limit long rod is needed to be measured, the situation that a constructor only determines the drilling depth by experience when drilling is avoided, and the accuracy of the drilling depth is greatly improved.
Preferably, the limit short rod is provided with a threaded hole penetrating through the limit short rod, and a plurality of threaded holes are formed in the vertical direction of the movable vertical rod at the same time, and bolts matched with the threaded holes are arranged; threaded holes on the limit short rod and the movable vertical rod are penetrated through the screwing bolts so as to fix the limit short rod on the movable vertical rod.
Through above-mentioned technical scheme, with spacing short bar top tightly on moving the montant through the bolt, when the position of needs change spacing short bar, with the bolt unscrew, make spacing short bar remove to the position of predetermineeing along moving the montant: when the drilling depth needs to be reduced, the limit short rod moves upwards along the movable vertical rod, when the drilling depth needs to be increased, the limit short rod moves downwards along the movable vertical rod, after the movement of the limit short rod is completed, the limit short rod is screwed in by the bolt, and the limit short rod is tightly propped against the movable vertical rod, so that the position adjustment of the limit short rod is completed.
Preferably, a groove is formed in the end face, far away from the fixed vertical rod, of the limit short rod, a hinge pin is horizontally fixed on the groove, a switch of the electric drill is rotatably mounted on the limit short rod through the hinge pin, an anode contact point is arranged on the side face, far away from the fixed vertical rod, of the groove, the top end of the switch is a cathode contact point, a short spring is fixedly connected between the lower end of the cathode contact point and the limit short rod, a long spring is fixedly connected between the bottom end of the switch and the limit short rod, when the long spring is in an original length state with the short spring, the switch is in a communicating state, the top end of the switch is inclined towards a direction close to the limit long rod, the anode contact point is in contact with the anode contact point, and a stop rod is vertically arranged at one end, close to the limit short rod, of the limit long rod; one end of the limit long rod, which is close to the limit short rod, is vertically provided with a stop rod.
Through the technical scheme, the top of the switch is always in an open state, the switch is inclined towards the direction close to the limit long rod, meanwhile, the negative electrode contact point is contacted with the positive electrode contact point, when the movable vertical rod moves upwards, the switch fixed on the limit short rod moves upwards simultaneously, when the limit short rod is contacted with the limit long rod, the stop rod is contacted with the switch, the bottom end of the switch moves towards the direction close to the limit long rod simultaneously, the long spring at the bottom end of the switch is compressed by the stop rod, the top of the switch is sprung up towards the direction far away from the limit long rod, the short spring of the switch is stretched, the negative electrode contact point is separated from the positive electrode contact point, the switch finishes the process from opening to closing, and the electric drill stops drilling automatically.
Preferably, the top of moving the montant is provided with straightness adjustment mechanism that hangs down, straightness adjustment mechanism includes, screw rod, ring, box and connecting rod, the screw rod level is fixed on the top of moving the montant, and the ring cover is established on the screw rod, electric drill fixed mounting is in the box, and the drill bit of electric drill passes the box in order to carry out drilling work, passes through connecting rod fixed connection between box and the ring.
Through above-mentioned technical scheme, when the hole that the electric drill was bored takes place the slope, the ring pendulum box of cover on the screw rod is rotated to the position of the electric drill in the adjustment box, and in time adjust the straightness that hangs down of electric drill, guarantee the straightness that hangs down of drilling.
Preferably, a fixing plate is arranged on the screw, and a threaded hole penetrating through the fixing plate is formed in the fixing plate so as to screw the screw to fix the ring.
Through the technical scheme, the instability of the electric drill in the drilling process is avoided, and the drilling precision is ensured.
In summary, the present application has the following technical effects:
1. through the hinged connection relation between the lever mechanisms, the electric drill can drill the top of the structural concrete only by applying downward pressure to the long cross rod, so that the process of building a platform when the top structural concrete needs to be drilled is avoided, time and labor are saved, and the working efficiency is improved;
2. through setting up of spacing stock and spacing quarter butt, can accurate assurance drilling's degree of depth, this has avoided constructor to confirm the condition of drilling depth by experience only when drilling, has improved the accurate degree of drilling degree of depth greatly.
Drawings
FIG. 1 is a front view of a drill limit use tool according to the present embodiment;
fig. 2 is a structural diagram of a drill omitted from the tool for limiting drilling in this embodiment;
FIG. 3 is an enlarged view at A of FIG. 2;
fig. 4 is a schematic diagram of a switching principle of an electric drill for limiting drilling in the present embodiment;
fig. 5 is a schematic diagram of a tool verticality adjusting mechanism for limiting drilling in the present embodiment.
In the figure, 1, an electric drill; 11. a switch; 111. a long spring; 112. a short spring; 113. a hinge pin; 114. a positive electrode contact; 115. a negative electrode contact; 2. a lever mechanism; 21. a long cross bar; 22. a short cross bar; 23. fixing a vertical rod; 231. a limit long rod; 2311. a stop lever; 24. a movable vertical rod; 241. a limit short rod; 2411. a bolt; 2412. a groove; 3. a verticality adjusting mechanism; 31. a screw; 311. a fixing plate; 32. a circular ring; 33. a case; 34. a connecting rod; 4. and a power supply line.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, a drilling limit tool comprises an electric drill 1 and a lever mechanism 2. The electric drill 1 is used for drilling, is fixedly arranged on the lever mechanism 2, and the lever mechanism 2 is used for upward drilling of the electric drill 1.
Referring to fig. 1 and 2, the lever mechanism 2 includes a long cross bar 21, a short cross bar 22, a fixed vertical bar 23, and a movable vertical bar 24; the long cross rod 21 and the short cross rod 22 are parallel to each other, one ends of the long cross rod 21 and the short cross rod 22 are hinged on the movable vertical rod 24, the long cross rod 21 and the short cross rod 22 are also hinged on the fixed vertical rod 23, and the long cross rod 21, the short cross rod 22, the fixed vertical rod 23 and the movable vertical rod 24 form a quadrangle; the short cross rod 22 and the long cross rod 21 are respectively positioned on the upper side and the lower side of the quadrangle, the fixed vertical rod 23 and the movable vertical rod 24 are mutually parallel and positioned on the left side and the right side of the quadrangle, the electric drill 1 is fixedly arranged on the top end of the movable vertical rod 24, and the drill bit is vertically upwards. A limit short rod 241 is horizontally arranged on the movable vertical rod 24, a limit long rod 231 is horizontally fixed on the fixed vertical rod 23, and one end of the limit long rod 231 extends to the upper part of the limit short rod 241.
When the main structure concrete at the top needs to be drilled, the fixed vertical rod 23 is abutted with the ground, the power supply of the electric drill 1 is turned on, downward pressure is applied to one end of the long transverse rod 21, which is far away from the movable vertical rod 24, the long transverse rod 21 rotates along the hinge point with the fixed vertical rod 23, the other end of the long transverse rod 21 rotates upwards, meanwhile, the movable vertical rod 24 moves upwards along with the upward movement of the long transverse rod 21, the electric drill 1 fixed at the top end of the movable vertical rod 24 simultaneously moves upwards to drill the structural concrete at the top, in the process of ascending drilling of the movable vertical rod 24, the limit short rod 241 fixed on the movable vertical rod 24 simultaneously ascends along with the ascending of the movable vertical rod 24, when the limit short rod 241 ascends to the limit long rod 231, the movable vertical rod 24 stops to upwards drill, and the electric drill 1 and the limit short rod 241 are fixed on the movable vertical rod 24, so that the movable distance of the movable vertical rod 24 is the displacement of the limit short rod 241, and meanwhile, the drilling depth of the limit short rod 241 is the drilling depth of the electric drill 1.
Further, when the whole drilling tool is idle, the long cross rod 21 and the short cross rod 22 rotate to the joint of the fixed vertical rod 23 along the hinge point to the fixed vertical rod 23 and the movable vertical rod 24 to be attached to each other so as to realize folding of the lever mechanism 2, and the folding device is convenient to carry.
Referring to fig. 1 and 2, the limiting short rod 241 on the movable vertical rod 24 can move up and down along the movable vertical rod 24, i.e. a threaded hole penetrating through the limiting short rod 241 is formed, and meanwhile, a plurality of threaded holes are also formed in the vertical direction of the movable vertical rod 24, and a bolt 2411 adapted to the threaded hole is provided to fix the limiting short rod 241 on the movable vertical rod 24.
Screw bolt 2411 is screwed into threaded holes in limit short rod 241 and movable vertical rod 24 to fix limit short rod 241 on movable vertical rod 24, and when drilling depth needs to be changed, limit short rod 241 is moved up and down along movable vertical rod 24 to change the distance between limit short rod 241 and limit long rod 231, thereby completing adjustment of drilling depth. When the position of the limit short rod 241 needs to be changed, the bolt 2411 is screwed out, so that the limit short rod 241 moves to a preset position along the movable vertical rod 24: when the drilling depth needs to be reduced, the limiting short rod 241 moves upwards along the movable vertical rod 24, when the drilling depth needs to be increased, the limiting short rod 241 moves downwards along the movable vertical rod 24, after the limiting short rod 241 is moved, the bolt 2411 is screwed in, the limiting short rod 241 is tightly propped against the movable vertical rod 24, and the position adjustment of the limiting short rod 241 is completed.
Referring to fig. 3 and 4, a groove 2412 is formed in an end surface of the limit short rod 241 far away from the fixed vertical rod 23, a hinge pin 113 is horizontally fixed in the groove 2412, a switch 11 of the electric drill 1 is rotatably installed on the limit short rod 241 through the hinge pin 113, a positive contact point 114 is arranged on a side surface of the groove 2412 far away from the fixed vertical rod 23, the top end of the switch 11 is a negative contact point 115, a short spring 112 is fixedly connected between the lower end of the negative contact point 115 and the limit short rod 241, a long spring 111 is fixedly connected between the bottom end of the switch 11 and the limit short rod 241, and a stop rod 2311 is vertically arranged at one end of the limit long rod 231 close to the limit short rod 241.
The switch 11 is always in the on state: when the long spring 111 and the short spring 112 are in the original long state, the top end of the switch 11 is inclined towards the direction approaching the limit long rod 231, meanwhile, the negative electrode contact point 115 is contacted with the positive electrode contact point 114, when the movable vertical rod 24 moves upwards, the switch 11 fixed on the limit short rod 241 moves upwards at the same time, when the limit short rod 241 is contacted with the limit long rod 231, the stop rod 2311 is contacted with the switch 11, the bottom end of the switch 11 moves towards the direction approaching the limit long rod 231 at the same time, the long spring 111 at the bottom end of the switch 11 is compressed by the stop rod 2311, the top end of the switch 11 is sprung to move towards the direction far away from the limit long rod 231, the short spring 112 of the switch 11 is stretched, the negative electrode contact point 115 is separated from the positive electrode contact point 114, the switch 11 finishes the process from opening to closing, and the electric drill 1 stops drilling automatically.
Further, the electric drill 1 is provided with the power line 4, when the whole drilling limit tool is used, the power line 4 is connected, the positive contact point 114 of the switch 11 is contacted with the negative contact point 115, the electric drill 1 can drill, when the whole drilling limit tool is idle, the power line 4 is disconnected, and the electric drill 1 stops working.
Referring to fig. 5, in a preferred embodiment, the top end of the movable vertical rod 24 is provided with a verticality adjusting mechanism 3, the verticality adjusting mechanism 3 comprises a screw 31, a circular ring 32, a box 33 and a connecting rod 34, the screw 31 is horizontally fixed on the top end of the movable vertical rod 24, the circular ring 32 is sleeved on the screw 31, the electric drill 1 is fixedly installed in the box 33, and a drill bit of the electric drill 1 penetrates through the box 33 to perform drilling work, and the box 33 is fixedly connected with the circular ring 32 through the connecting rod 34; further, a fixing plate 311 is provided on the screw 31, and a threaded hole penetrating through the fixing plate 311 is provided to tighten the ring 32 on the screw 31 between the fixing plate 311 and the movable vertical rod 24.
When the hole drilled by the electric drill 1 is inclined, the circular ring 32 sleeved on the screw rod 31 is rotated to align the box 33, so that the position of the electric drill 1 in the box 33 is adjusted, the verticality of the electric drill 1 is timely adjusted, the verticality of the drilled hole is ensured, the circular ring 32 is prevented from being rotated by the fixing plate 311 after the electric drill 1 is aligned, and the adjusted verticality of the electric drill 1 is deviated by taking the screw rod 31 as a rotating shaft.
When the whole drilling limit tool is used, the fixed vertical rod 23 is abutted to the ground, downward pressure is applied to the long transverse rod 21, the long transverse rod 21 rotates along a hinge point with the fixed vertical rod 23, the other end of the long transverse rod 21 rotates upwards, at the moment, the movable vertical rod 24 fixedly connected with the long transverse rod 21 moves upwards along with the long transverse rod 21, the electric drill 1 fixed at the top end of the movable vertical rod 24 simultaneously moves upwards to drill structural concrete at the top, in the ascending drilling process of the movable vertical rod 24, the limit short rod 241 fixed on the movable vertical rod 24 simultaneously rises along with the ascending of the movable vertical rod 24, when the limit short rod 241 rises to the limit long rod 231 to be contacted, the movable vertical rod 24 stops drilling upwards, meanwhile, the stop rod 2311 is contacted with the switch 11, the bottom end of the switch 11 simultaneously moves upwards to be close to the limit long rod 231, the long spring 111 at the bottom end of the switch 11 is compressed by the stop rod 2311, the top end of the switch 11 is sprung up to move upwards to be far away from the limit long rod 231, the short spring 112 at the top end of the switch 11 is stretched, and the switch 11 completes the process from opening to closing.
The electric drill 1 can directly drill the top of the concrete through the hinged rotation between the lever mechanisms 2, so that the process of building a platform is avoided, and time and labor are saved. Further, when the whole drilling tool is idle, the long cross rod 21 and the short cross rod 22 rotate to the long cross rod 21 along the hinge point with the fixed vertical rod 23, and the short cross rod 22 is perpendicular to the movable vertical rod 24 so as to realize folding of the lever mechanism 2, so that the folding device is convenient to carry.
Further, when the verticality of the drilling hole needs to be adjusted, the fixing plate 311 is screwed out in the direction away from the screw rod 31, the circular ring 32 sleeved on the screw rod 31 is rotated to align the box body 33, so that the position of the electric drill 1 in the box body 33 is adjusted, the verticality of the electric drill 1 is timely adjusted, the verticality of the drilling hole is guaranteed, after the verticality of the electric drill 1 is adjusted, the fixing plate 311 is screwed in the direction close to the screw rod 31, the circular ring 32 is clamped between the fixing plate 311 and the movable vertical rod 24, the circular ring 32 is rotated by taking the screw rod 31 as a rotating shaft after the electric drill 1 is aligned by tightening the circular ring 32, and the adjusted verticality of the electric drill 1 is deviated.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.

Claims (5)

1. A spacing use instrument of drilling, its characterized in that: the electric drill comprises an electric drill (1) and a lever mechanism (2), wherein the lever mechanism (2) comprises a long cross rod (21), a short cross rod (22), a fixed vertical rod (23) and a movable vertical rod (24); the long cross rod (21) and the short cross rod (22) are parallel to each other, one ends of the long cross rod (21) and the short cross rod (22) are hinged on the movable vertical rod (24), the long cross rod (21) and the short cross rod (22) are also hinged with the fixed vertical rod (23), and the long cross rod (21), the short cross rod (22), the fixed vertical rod (23) and the movable vertical rod (24) form a quadrangle; the long cross rod (21) and the short cross rod (22) are positioned on the upper side and the lower side of the quadrangle, the fixed vertical rod (23) and the movable vertical rod (24) are mutually parallel and positioned on the left side and the right side of the quadrangle, the electric drill (1) is fixedly arranged at the top end of the movable vertical rod (24), and the drill bit is vertically upwards; the distance of the long cross rod (21) exceeding the fixed vertical rod (23) is larger than the distance of the short cross rod (22) exceeding the fixed vertical rod (23); the movable vertical rod (24) is horizontally provided with a limit short rod (241), the fixed vertical rod (23) is horizontally fixed with a limit long rod (231), and one end of the limit long rod (231) extends to the upper part of the limit short rod (241).
2. A drill limit use tool according to claim 1, wherein: the limiting short rod (241) is provided with a threaded hole penetrating through the limiting short rod, and meanwhile, the vertical direction of the movable vertical rod (24) is also provided with a plurality of threaded holes, and a bolt (2411) matched with the threaded holes is arranged.
3. A drill limit use tool according to claim 2, wherein: the utility model discloses a limit short rod (241) is kept away from on the terminal surface of deciding montant (23) and is offered recess (2412), the level is fixed with hinge pin (113) in recess (2412), switch (11) of electric drill (1) are installed on limit short rod (241) through hinge pin (113) rotation, and be provided with anodal contact point (114) on the side of keeping away from deciding montant (23) in recess (2412), the top of switch (11) is negative pole contact point (115), fixedly connected with short spring (112) between negative pole contact point (115) lower extreme and limit short rod (241), fixedly connected with long spring (111) between the bottom of switch (11) and limit short rod (241), when long spring (111) and short spring (112) are former long state, switch (11) are in the intercommunication state, the top of switch (11) is to the direction slope that is close to limit long rod (231), negative pole contact point (115) and anodal contact point (114) contact, limit long rod (231) are close to limit short rod (241) one end vertical being provided with shelves (2311).
4. A drill limit use tool according to claim 1, wherein: the utility model discloses a drilling tool for drilling, including moving the top of montant (24), be provided with straightness adjustment mechanism (3) that hangs down, straightness adjustment mechanism (3) include screw rod (31), ring (32), box (33) and connecting rod (34), screw rod (31) level is fixed on the top of moving montant (24), and ring (32) cover is established on screw rod (31), electric drill (1) fixed mounting is in box (33), and the drill bit of electric drill (1) passes box (33) vertically upwards in order to carry out drilling work, through connecting rod (34) fixed connection between box (33) and the ring (32).
5. The drill limit use tool of claim 4, wherein: the screw rod (31) is provided with a fixing plate (311), and the fixing plate (311) is provided with a threaded hole penetrating through the fixing plate to screw the screw rod (31) to fix the circular ring (32).
CN202320864282.4U 2023-04-18 2023-04-18 Drilling limiting tool Active CN220638462U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320864282.4U CN220638462U (en) 2023-04-18 2023-04-18 Drilling limiting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320864282.4U CN220638462U (en) 2023-04-18 2023-04-18 Drilling limiting tool

Publications (1)

Publication Number Publication Date
CN220638462U true CN220638462U (en) 2024-03-22

Family

ID=90289784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320864282.4U Active CN220638462U (en) 2023-04-18 2023-04-18 Drilling limiting tool

Country Status (1)

Country Link
CN (1) CN220638462U (en)

Similar Documents

Publication Publication Date Title
CN220638462U (en) Drilling limiting tool
CN210768592U (en) Drilling equipment for building foundation reinforcement
CN215803300U (en) Ground leveling auxiliary device for building construction
CN216524884U (en) Soil sampling pipe cutting tool
CN216050819U (en) Municipal works road surface coring detection device
CN211697044U (en) Colliery is sampling device in pit
CN212131911U (en) Measuring tool is used in installation of portable building machine electricity
CN212054423U (en) Elevator shaft protective door for building engineering
CN211692351U (en) Catwalk lifting mechanism of intelligence altitude mixture control
CN221119853U (en) Piling machinery and drilling bucket thereof
CN220409223U (en) High-precision drilling device
CN220539322U (en) Combined supporting device
CN220705036U (en) Civil air defense door frame perpendicularity regulator
CN218206582U (en) Vertical drilling positioning device for down-the-hole drill at bridge pier blasting position of arch bridge
CN217054462U (en) Positioning adjustment pore-forming device for post-embedded steel bars of constructional column
CN220955564U (en) Rotary digging depth measuring device for long spiral pile machine
CN205955670U (en) A manipulator that is used for automatic rock drill drilling rod that gains for
CN217812412U (en) Leveling guide rail bracket for cast-in-place concrete floor
CN219490997U (en) Grouting supporting structure
CN111206882A (en) Quick leveling drilling support
CN220909607U (en) Colliery drilling positioner
CN218153172U (en) Surveying and mapping device for road engineering design
CN219137971U (en) Movable wind-resistant column
CN214890266U (en) Construction engineering on-site surveying and mapping device for construction cost
CN221247771U (en) Hole making device with angle steel hole making size baffle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant