Adjustable charging device for surface mine blasting
By introducing structures such as a fixed rod, a sliding rod, and a rotating gear ring into the loading device, the complexity and time-consuming operation of adjusting the spacing of the drug rolls in the existing device are solved, enabling rapid adjustment and convenient use.
Patent Information
- Application Number
- CN202520504739.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing open-pit mine blasting charging devices require multiple people to work together when adjusting the spacing of the explosive cartridges, which is complicated and time-consuming, affecting efficiency.
The adjustment structure includes components such as a fixed rod, a sliding rod, a locking block, and a support spring. The spacing between the cartridges can be quickly adjusted by pressing the sliding rod, and the position of the cartridges can be controlled by rotating the protective cover and rotating the gear ring.
It enables rapid adjustment of the spacing between the charging cartridges, improves operational convenience and efficiency, saves time, and enhances the device's support and control capabilities within the holes.
Smart Images

Figure CN223954788U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of mine blasting, specifically to an adjustable charging device for open pit mine blasting. BACKGROUND
[0002] In the process of mining in the mine, the mine will be blasted by explosives, and the explosive charging device will be used in the process of explosive charging, but the existing explosive charging device still has certain use defects in the process of use, and the existing charging device is continuously charged when charging, and there is no interval distance between the cartridges, which seriously affects the blasting effect and reduces the blasting efficiency;
[0003] The patent with publication number CN220250866U discloses a charging device for open pit mine blasting. According to the depth of the blast hole, a plurality of charging pipes containing cartridges are connected end to end through threaded grooves and threaded rods, so that the cartridges are separated, the blasting efficiency is improved, the rotation of the knob drives the meshing transmission between the gear disc and the rack, the relative movement between the upper pipe body and the lower pipe body is generated, so that the distance between the adjacent charging pipes is adjusted, the cartridges are conveniently placed in the position to be blasted, the needs of blasting are met, the limiting rod is fixed through the clamping of the clamping groove, when the knob needs to be rotated, the sliding block is moved up to drive the limiting rod to leave the clamping groove, after the knob is rotated, the sliding block is moved down to drive the limiting rod to be clamped with the clamping groove, and the fixation of the knob is completed.
[0004] In the above-mentioned patent, the device in the patent solves the problems mentioned above, but the device in the patent still has the following problems. In the process of using the device, the distance adjustment is completed through the cooperation of the moving mechanism, the sliding block and the limiting rod, and multiple people are needed to cooperate in the adjustment process. At the same time, the inside of the connecting rod, the rack and the gear disc is provided with multiple structures, which leads to the complexity of the operation of the device in the process of distance adjustment, and it is difficult to adjust quickly. In the process of adjustment, the distance between multiple charging pipes needs to be adjusted, which easily leads to the long time required in the adjustment process of the device, and delays the use efficiency of the device.
[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original device structure. UTILITY MODEL CONTENTS
[0006] The purpose of this utility model is to provide an adjustable charging device for blasting in open-pit mines, in order to solve the problems mentioned in the background art. The existing devices require multiple people to cooperate during the adjustment process. In addition, the internal structure of the connecting rod, rack and pinion and gear disk has multiple structures, which makes the operation of the device complicated during the spacing adjustment process, making it difficult to make quick adjustments. Furthermore, the adjustment process requires adjusting the spacing between multiple charging tubes, which can easily lead to excessive time required for the adjustment process and delay the efficiency of the device.
[0007] To achieve the above objectives, this utility model provides the following technical solution: an adjustable charging device for blasting in open-pit mines, comprising a charging cylinder and a mounting cover threaded onto the upper end of the charging cylinder;
[0008] An observation window is provided on the outside of the medicine cartridge. A rotating part is rotatably installed on the upper end of the mounting cover, and a protective cover is fixedly installed on the upper end of the rotating part. The protective cover has equidistant locking grooves inside. A mounting cover is fixedly installed on the lower end of the medicine cartridge, and the mounting cover is located inside the protective cover.
[0009] The mounting cover has an adjustment structure inside that controls the distance between the two assembled cartridges, and the rotating plate has a support structure inside that controls the support position of the cartridges.
[0010] Preferably, the adjustment structure includes a fixing rod, which is fixedly installed inside the mounting cover, and a sliding rod is installed through the inside of the mounting cover, with the sliding rod slidably connected to the mounting cover.
[0011] Preferably, the fixed rod has two sets of moving grooves inside, and a locking block is slidably installed inside the moving groove. The end of the locking block away from the moving groove is engaged with the locking groove. A support spring is fixedly installed at the end of the locking block near the moving groove, and the support spring is located inside the moving groove.
[0012] Preferably, a traction rope is fixedly installed at one end of the locking block near the motion groove, and a movable plate is fixedly installed at the other end of the traction rope away from the locking block. The movable plate is fixedly installed on the outside of the sliding rod, and the movable plate is located inside the mounting cover.
[0013] Preferably, the support structure includes a sliding groove, which is formed inside the rotating plate, and a support toothed plate is slidably installed inside the sliding groove.
[0014] Preferably, the rotating plate has two sets of rotating gear cylinders rotatably mounted inside, and the rotating gear cylinders are meshed with the supporting gear plate.
[0015] Preferably, a rotating gear ring is fixedly installed on the outer side of the rotating component, and the rotating gear ring is meshed with the rotating gear cylinder.
[0016] Compared with the prior art, the utility model has the beneficial effects that:
[0017] 1. By adjusting the positional relationship between the protective cover and the mounting cover, the positional relationship between the two groups of charging barrels can be changed, thereby improving the applicability of the device and achieving the effect of saving explosives;
[0018] 2. By pressing the sliding rod, the clamping piece and the clamping groove can be separated, so that the distance between the two groups of charging barrels can be quickly adjusted, effectively improving the convenience of adjusting the device and saving time;
[0019] 3. Further, by rotating the protective cover, the two groups of support tooth plates inside the rotating plate can be moved outward, at this time, the support tooth plates can be installed inside the hole, thereby controlling the position of the device inside the hole, further improving the convenience of using the device. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0021] Figure 2 It is a three-dimensional structure schematic diagram of the mounting cover of the utility model;
[0022] Figure 3 It is a three-dimensional structure schematic diagram of the protective cover of the utility model;
[0023] Figure 4 It is a three-dimensional structure schematic diagram of the sliding rod of the utility model;
[0024] Figure 5 It is a three-dimensional structure schematic diagram of the fixed rod of the utility model;
[0025] Figure 6 It is a three-dimensional structure schematic diagram of the moving plate of the utility model;
[0026] Figure 7 It is a three-dimensional structure schematic diagram of the rotating tooth cylinder of the utility model;
[0027] Figure 8 It is a three-dimensional structure schematic diagram of the rotating tooth ring of the utility model.
[0028] In the drawing: 1, charging barrel; 2, mounting cover; 3, observation window; 4, rotating plate; 5, protective cover; 6, mounting cover; 7, clamping groove; 8, fixed rod; 9, sliding rod; 10, rotating piece; 11, moving plate; 12, clamping block; 13, support spring; 14, traction rope; 15, rotating tooth cylinder; 16, support tooth plate; 17, movement groove; 18, rotating tooth ring; 19, sliding groove. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.
[0030] Embodiment one: the embodiment discloses the basic use process of the device, and the specific content is as follows: Figures 1-3
[0031] The charging barrel 1 and the mounting cover 2 threadedly mounted on the upper end of the charging barrel 1; the outer side of the charging barrel 1 is provided with an observation window 3, the upper end of the mounting cover 2 is rotatably mounted with a rotating piece 10, the upper end of the rotating piece 10 is fixedly mounted with a protective cover 5, equidistant clamping grooves 7 are formed in the protective cover 5, the lower end of the charging barrel 1 is fixedly mounted with a mounting cover 6, and the mounting cover 6 is located in the protective cover 5.
[0032] When the adjustable charging device for open-pit mine blasting is used, first, the device is placed at the position where work is needed, and after the device is placed, the explosive filling can be carried out, in this process, the mounting cover 2 needs to be removed from the upper end of the charging barrel 1, at this time, the explosive can be filled in the charging barrel 1, after the explosive is filled, the mounting cover 2 can be reinstalled on the upper end of the charging barrel 1, at this time, the explosive filling condition in the charging barrel 1 can be observed through the observation window 3, and the explosive filling of multiple charging barrels 1 can be completed by repeating the above operation, so that the explosive filling process of the device is completed.
[0033] Embodiment two: the embodiment discloses the process of adjusting the distance between the charging barrels 1 of the device, and the specific content is as follows: Figures 1-6
[0034] The inside of the mounting cover 6 is provided with an adjusting structure for controlling the distance between the two groups of charging barrels 1; the adjusting structure comprises a fixed rod 8, the fixed rod 8 is fixedly installed in the inside of the mounting cover 6, and the inside of the mounting cover 6 penetrates and is installed with a sliding rod 9, and the sliding rod 9 is slidingly connected with the mounting cover 6;
[0035] The inside of the fixed rod 8 is provided with two groups of movement grooves 17, the inside of the movement groove 17 is slidingly installed with a clamping block 12, and the end of the clamping block 12 away from the movement groove 17 is in clamping connection with the clamping groove 7, the end of the clamping block 12 close to the movement groove 17 is fixedly installed with a supporting spring 13, and the supporting spring 13 is located in the inside of the movement groove 17;
[0036] The engaging block 12 is fixedly installed with a traction rope 14 near one end of the movement groove 17, and the traction rope 14 is fixedly installed with a moving plate 11 away from the engaging block 12, and the moving plate 11 is fixedly installed on the outside of the sliding rod 9, and the moving plate 11 is located in the inside of the installation cover 6.
[0037] In use of the adjustable open-pit mine blasting charging device, the distance between the two groups of charging barrels 1 needs to be adjusted according to the specific blasting situation to save explosives;
[0038] In this process, the position relationship between the adjusting protective cover 5 and the installation cover 6 needs to be adjusted, at this time, the sliding rod 9 needs to be pressed and the sliding rod 9 slides into the inside of the installation cover 6, the sliding rod 9 moves to push the moving plate 11 to move, the moving plate 11 moves to pull the engaging block 12 to move through the traction rope 14, the engaging block 12 moves to the inside of the movement groove 17, and the engaging block 12 moves to extrude and shrink the supporting spring 13, and the engaging block 12 moves away from the engaging groove 7, after the engaging groove 7 and the engaging block 12 are separated, the protective cover 5 and the installation cover 6 can be relatively slid, at this time, the two groups of charging barrels 1 move under the movement of the protective cover 5 and the installation cover 6, so as to change the distance between the two groups of charging barrels 1, and after the position adjustment of the two groups of charging barrels 1 is completed, the sliding rod 9 is released, at this time, the shrunk supporting spring 13 expands to push the sliding rod 9 to move, at this time, the sliding rod 9 is engaged with the engaging groove 7 again, so as to limit the position between the protective cover 5 and the installation cover 6, the position adjustment process of the device is completed, the convenience of use of the device is improved, the time is saved, and the working efficiency of the device is improved.
[0039] Example three: the embodiment as shown in Figures 1-5 and Figures 7-8 As shown, the supporting process of the device is disclosed, and the specific content is as follows:
[0040] The inside of the rotating plate 4 is provided with a supporting structure for controlling the supporting position of the charging barrel 1; the supporting structure includes a sliding groove 19, and the sliding groove 19 is formed in the inside of the rotating plate 4, and the supporting tooth plate 16 is slidably installed in the inside of the sliding groove 19; the rotating plate 4 is rotatably installed with two groups of rotating tooth cylinders 15, and the rotating tooth cylinders 15 are in meshing connection with the supporting tooth plate 16; the outside of the rotating part 10 is fixedly installed with a rotating gear ring 18, and the rotating gear ring 18 is in meshing connection with the rotating tooth cylinder 15.
[0041] In use of the adjustable open-pit mine blasting charging device, the device containing explosives needs to be placed in the inside of the pre-set cavity for blasting preparation, and in the use process, there may be a situation that the drilling is too deep, at this time, the position in the inside of the charging barrel 1 needs to be controlled;
[0042] In the process, the protective cover 5 needs to be rotated at the upper end of the rotating plate 4, and the protective cover 5 rotates synchronously with the rotating part 10, and the rotating part 10 rotates with the rotating gear ring 18, and the rotating gear ring 18 rotates with the rotating gear cylinder 15 connected with it, and the rotating gear cylinder 15 rotates with the support gear plate 16 inside the rotating plate 4, and the support gear plate 16 slides from the inside to the outside of the sliding groove 19, and the support gear plate 16 can adjust the distance between the two groups of support gear plates 16 according to the width of the preset hole during the sliding process, so that the two groups of support gear plates 16 can support in the blasting cavity, thereby facilitating the control of the position of the device in the hole, improving the convenience of use of the device, and increasing the overall practicability.
[0043] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0044] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An adjustable open-pit mine blasting charging device, comprising a charging barrel (1) and a mounting cover (2) threaded on the upper end of the charging barrel (1); characterized in that An observation window (3) is arranged on the outer side of the charging barrel (1), a rotating piece (10) is rotatably arranged on the upper end of the mounting cover (2), a protective cover (5) is fixedly arranged on the upper end of the rotating piece (10), equidistant clamping grooves (7) are arranged in the protective cover (5), and a mounting cover (6) is fixedly arranged on the lower end of the charging barrel (1) and located in the protective cover (5). An adjusting structure for controlling the distance between the two charging barrels (1) is arranged in the mounting cover (6), and a supporting structure for controlling the supporting position of the charging barrel (1) is arranged in the rotating plate (4).
2. A charge device for open pit blasting according to claim 1, characterized in that: The adjusting structure comprises a fixed rod (8) fixedly arranged in the mounting cover (6), and a sliding rod (9) penetrating through the mounting cover (6) and slidably connected with the mounting cover (6).
3. An adjustable open pit mine blasting charge device according to claim 2, characterized in that: Two movement grooves (17) are arranged in the fixed rod (8), a clamping block (12) is slidably arranged in the movement groove (17), one end of the clamping block (12) away from the movement groove (17) is clamped and connected with the clamping groove (7), a supporting spring (13) is fixedly arranged at one end of the clamping block (12) close to the movement groove (17), and the supporting spring (13) is located in the movement groove (17).
4. A charge device for open pit blasting according to claim 3, characterised in that: A traction rope (14) is fixedly arranged at one end of the clamping block (12) close to the movement groove (17), a moving plate (11) is fixedly arranged at one end of the traction rope (14) away from the clamping block (12), and the moving plate (11) is fixedly arranged on the outer side of the sliding rod (9) and located in the mounting cover (6).
5. An adjustable open pit mine blasting charge device according to claim 1, characterized in that: The supporting structure comprises a sliding groove (19) arranged in the rotating plate (4), and a supporting tooth plate (16) slidably arranged in the sliding groove (19).
6. An adjustable open pit mine blasting charge device according to claim 1, characterized in that: Two rotating tooth cylinders (15) are rotatably arranged in the rotating plate (4) and meshingly connected with the supporting tooth plate (16).
7. An adjustable open pit mine blasting charge device according to claim 1, characterized in that: A rotating gear ring (18) is fixedly arranged on the outer side of the rotating piece (10) and meshingly connected with the rotating tooth cylinder (15).
Citation Information
Patent Citations
Charging device for surface mine blasting
CN220250866U