Vertical mining hydraulic prop pressure test frame
By designing a vertical mining hydraulic prop test frame, and utilizing a self-locking take-up roller and an electric motor to drive the steel cable, the extension and position of the mining hydraulic prop are automatically controlled, solving the problem of manual adjustment in the traditional test process and realizing efficient and low-intensity pressure testing.
Patent Information
- Application Number
- CN202520526234.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-24
AI Technical Summary
In the traditional testing process of hydraulic props for mining, workers need to manually adjust the direction and position of the props, which is labor-intensive and has low testing efficiency.
A vertical testing frame for mining hydraulic props is designed. The hydraulic props are fixed with self-locking take-up rollers and steel cables. The extension and position of the props are automatically controlled by the electric motor driving the take-up and release of the wire, thus avoiding manual intervention.
It reduces the labor intensity of workers, improves testing efficiency, and realizes an automated stress testing process.
Smart Images
Figure CN223952654U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of mine hydraulic prop, especially relates to a vertical mine hydraulic prop pressure testing frame. BACKGROUND
[0002] The mine hydraulic prop is the core equipment in the mine supporting system, is mainly used for supporting the working face in the mine, prevents the roof collapse, guarantees the safety of the open pit and the continuous stability of the mining operation, and can stably and reliably support, and the stable and reliable support is an important performance index of the mine hydraulic prop, in order to test the product performance of the mine hydraulic prop, needs to carry out pressure test to the mine hydraulic prop before delivery, and the test mode is to carry out pressure test to the mine hydraulic prop under fixed pressure, the traditional test mode is that workers install the mine hydraulic prop on the pressure testing platform, and the direction and position of the mine hydraulic prop need to be adjusted in the process, and the labor intensity is relatively large, thus it is particularly necessary to develop a vertical mine hydraulic prop pressure testing frame that can reduce the labor intensity of workers and save manpower. SUMMARY
[0003] The utility model discloses a vertical mine hydraulic prop pressure testing frame, which has the advantages of reducing the labor intensity of workers and saving manpower.
[0004] The technical scheme adopted is as follows:
[0005] A vertical mine hydraulic prop pressure testing frame, comprising a base, a plurality of vertical columns are uniformly and spacedly arranged on the base, a connecting beam connected with each vertical column is arranged above the vertical columns, a plurality of short beams are uniformly and spacedly arranged on each vertical column from top to bottom, a support shaft is rotatably arranged between the lower ends of two adjacent vertical columns, a lower limiting cylinder is arranged in the middle of the support shaft, an upper limiting cylinder is detachably arranged in the limiting cylinder, a support beam is arranged at the upper end of the upper limiting cylinder, a bearing block is arranged above the support beam, a pressure sensor is arranged between the bearing block and the support beam, a limiting plate is arranged at the rear side of each vertical column, an arc-shaped plate with a front opening is arranged between two adjacent limiting plates, and a self-locking take-up roller is arranged at the rear side of the arc-shaped plate, wherein the self-locking take-up roller comprises a steel cable.
[0006] Preferably, an electric motor is arranged at the rear side of each arc-shaped plate and connected with the self-locking take-up roller on the same arc-shaped plate.
[0007] Preferably, the bearing block is V-shaped.
[0008] Preferably, a rubber antiskid pad is arranged in each arc-shaped plate, and a plurality of antiskid points are arranged on the surface of the rubber antiskid pad.
[0009] Preferably, a spring buckle is arranged at the free end of each steel cable.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] The utility model discloses a vertical mine hydraulic prop pressure testing frame, including base, stand, connecting beam, short beam, support shaft, support frame, lower limit cylinder, upper limit cylinder, support beam, pressure sensor, weight block, limit board, arc plate, self locking type take-up roller, steel cable and spring buckle, the utility model discloses a vertical mine hydraulic prop pressure testing frame, the lower end of the mine hydraulic prop is inserted to the lower limit cylinder, the upper limit cylinder is set to the upper end of the mine hydraulic prop, utilizes the steel cable to fix the middle part of the mine hydraulic prop, when the mine hydraulic prop is in the elongation stage, the self locking type take-up roller is released, and the mine hydraulic prop is elongated in the attitude of inclination, avoids the interference of the weight block and short beam, when reaching the height of the target short beam, the self locking type take-up roller is taken up and straightens the mine hydraulic prop, and the mine hydraulic prop is kept in the test pressure and is tested, compared with the mode that the direction of the mine hydraulic prop needs manual control in the traditional pressure test, has the advantages of saving manpower and reducing labor intensity. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the perspective structure schematic diagram of the front side of a vertical mine hydraulic prop pressure testing frame of the utility model,
[0013] Figure 2 It is Figure 1 The structure schematic diagram of A place in,
[0014] Figure 3 It is the perspective structure schematic diagram of the front side of a vertical mine hydraulic prop pressure testing frame of the utility model,
[0015] Figure 4 It is Figure 3 The structure schematic diagram of B place in,
[0016] Figure 5 It is the perspective structure schematic diagram of the rear side of a vertical mine hydraulic prop pressure testing frame of the utility model,
[0017] Figure 6 It is the structure schematic diagram of spring buckle of a vertical mine hydraulic prop pressure testing frame of the utility model,
[0018] In the drawing: 1, base, 2, stand, 3, connecting beam, 4, short beam, 5, support shaft, 6, support frame, 7, lower limit cylinder, 8, upper limit cylinder, 9, support beam, 10, pressure sensor, 11, weight block, 12, limit board, 13, arc plate, 14, self locking type take-up roller, 15, steel cable, 16, spring buckle, 17, motor. DETAILED DESCRIPTION
[0019] The utility model will be further described in connection with specific embodiment, as Figures 1 to 6 Shown in:
[0020] Embodiment 1: a vertical mine hydraulic prop pressure testing frame, comprising a base 1, a plurality of vertical columns 2 are uniformly and spacedly arranged on the base 1, a support frame 6 is arranged at the rear side of each vertical column 2, the support frame 6 is fixedly connected with the wall in the workshop, and plays a supporting role on the vertical column 2, a connecting beam 3 connected with each vertical column 2 is arranged above the vertical column 2, the connecting beam 3 connects the upper ends of each vertical column 2, so that each vertical column 2 is connected into a whole, and is more stable and firm during pressure testing.
[0021] The vertical column 2 is uniformly and spacedly arranged with a plurality of short beams 4 from top to bottom, a support shaft 5 is rotatably arranged between the lower ends of two adjacent vertical columns 2, a lower limiting cylinder 7 is arranged in the middle of the support shaft 5, an upper limiting cylinder 8 is detachably arranged in the limiting cylinder, during pressure testing of the mine hydraulic prop, the upper limiting cylinder 8 is pulled out of the lower limiting cylinder 7, the lower end of the mine hydraulic prop is inserted into the lower limiting cylinder 7, the upper limiting cylinder 8 is sleeved on the upper end of the mine hydraulic prop, a support beam 9 is arranged at the upper end of the upper limiting cylinder 8, a bearing block 11 is arranged above the support beam 9, and a pressure sensor 10 is arranged between the bearing block 11 and the support beam 9.
[0022] The bearing block 11 is used to resist the short beam 4 for pressure testing, and the data of the pressure sensor 10 is used to test the pressure borne by the mine hydraulic prop, a limiting plate 12 is arranged at the rear side of each vertical column 2, an arc-shaped plate 13 with an opening facing forward is arranged between two adjacent limiting plates 12, a self-locking take-up roller 14 is arranged at the rear side of the arc-shaped plate 13, the self-locking take-up roller 14 is a prior art and will not be described here again, and the self-locking take-up roller 14 comprises a steel cable 15.
[0023] During pressure testing, after the mine hydraulic prop is installed into the lower limiting cylinder 7, the steel cable 15 is fixedly connected with the middle part of the mine hydraulic prop, the mine hydraulic prop is controlled to be elongated in an inclined posture by controlling the self-locking take-up roller 14 to pay out the steel cable 15, so that the bearing block 11 does not interfere with the short beam 4, when the mine hydraulic prop is about to reach the predetermined height, the self-locking take-up roller 14 is controlled to take up the steel cable 15 to straighten the mine hydraulic prop to a vertical state, the mine hydraulic prop is controlled to continue to rise until the bearing block 11 abuts against the target short beam 4, and the data of the pressure sensor 10 is used to keep the mine hydraulic prop at the test pressure for pressure testing.
[0024] Embodiment 2: a vertical mine hydraulic prop pressure testing frame, comprising a base 1, a plurality of vertical columns 2 are uniformly and spacedly arranged on the base 1, a support frame 6 is arranged at the rear side of each vertical column 2, the support frame 6 is fixedly connected with the wall in the workshop, and plays a supporting role on the vertical column 2, a connecting beam 3 connected with each vertical column 2 is arranged above the vertical column 2, the connecting beam 3 connects the upper ends of each vertical column 2, so that each vertical column 2 is connected into a whole, and is more stable and firm during pressure testing.
[0025] The plurality of short beams 4 are uniformly and spacedly arranged on the upright column 2 from top to bottom, the support shaft 5 is rotatably arranged between the lower ends of the two adjacent upright columns 2, the lower limiting cylinder 7 is arranged in the middle of the support shaft 5, the upper limiting cylinder 8 is detachably arranged in the limiting cylinder, when the pressure test of the mine hydraulic prop is carried out, the upper limiting cylinder 8 is pulled out of the lower limiting cylinder 7, the lower end of the mine hydraulic prop is inserted into the lower limiting cylinder 7, the upper limiting cylinder 8 is sleeved on the upper end of the mine hydraulic prop, the upper end of the upper limiting cylinder 8 is provided with the support beam 9, the load bearing block 11 is arranged above the support beam 9, the pressure sensor 10 is arranged between the load bearing block 11 and the support beam 9, the load bearing block 11 is V-shaped, and the pressure concentrated is conveniently conducted to the pressure sensor 10.
[0026] The load bearing block 11 is used to resist the short beam 4 to carry out pressure test, the data of the pressure sensor 10 is used to test the pressure borne by the mine hydraulic prop, the rear side of the upright column 2 is provided with the limiting plate 12, the arc-shaped plate 13 with the opening facing forward is arranged between the two adjacent limiting plates 12, the rubber anti-skid pad is arranged in the arc-shaped plate 13, a plurality of anti-skid points are arranged on the surface of the rubber anti-skid pad, the self-locking take-up roller 14 is arranged on the rear side of the arc-shaped plate 13, the self-locking take-up roller 14 is the prior art, and will not be repeated here; the self-locking take-up roller 14 comprises the steel cable 15, the free end of the steel cable 15 is provided with the spring buckle 16, after the steel cable 15 is wound around the mine hydraulic prop for one turn, the steel cable 15 is fixed by using the spring buckle 16, so that the fixing of the mine hydraulic prop can be realized, the electric motor 17 is arranged on the rear side of the arc-shaped plate 13, the electric motor 17 is connected with the self-locking take-up roller 14 on the same arc-shaped plate 13, the electric motor 17 drives the self-locking take-up roller 14 to carry out the take-up and pay-off of the wire, and manpower is saved.
[0027] Specific working process is as follows: when the pressure test is carried out, after the mine hydraulic prop is installed into the lower limiting cylinder 7, the middle part of the mine hydraulic prop is fixedly connected with the steel cable 15, the mine hydraulic prop is controlled to be elongated in an inclined posture in the elongation stage, so that the interference between the load bearing block 11 and the short beam 4 is avoided, when the mine hydraulic prop is about to reach the predetermined height, the mine hydraulic prop is straightened in the vertical state by the take-up of the self-locking take-up roller 14, the arc-shaped plate 13 limits the mine hydraulic prop, the mine hydraulic prop is controlled to continue to rise to the target short beam 4, the data of the pressure sensor 10 is referred to, and the mine hydraulic prop is kept at the test pressure to carry out the pressure test.
[0028] The above embodiment is only the preferred embodiment of the utility model, and cannot be used to limit the range of the utility model protection, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of the utility model protection.
Claims
1. A hydraulic prop testing stand for hydraulic props used in mines, characterized in that: The utility model relates to a kind of support frame, including base (1), base (1) is evenly spaced with multiple columns (2), column (2) is provided with the connecting beam (3) being connected with each column (2) above, column (2) is evenly spaced with multiple short beams (4) from top to bottom, the lower end between two adjacent columns (2) is rotatably arranged with support shaft (5), support shaft (5) middle part is provided with lower limit cylinder (7), limit cylinder is detachably provided with upper limit cylinder (8), the upper end of upper limit cylinder (8) is provided with support beam (9), support beam (9) is provided with bearing block (11) above, pressure sensor (10) is arranged between bearing block (11) and support beam (9), the rear side of column (2) is provided with limit board (12), the opening of arc-shaped board (13) is arranged between two adjacent limit boards (12) and faces forward, the rear side of arc-shaped board (13) is provided with self-locking take-up roller (14), self-locking take-up roller (14) includes steel cable (15).
2. A hydraulic prop testing stand according to claim 1, characterized in that: The rear side of the arc-shaped board (13) is provided with an electric motor (17), and the electric motor (17) is connected to the self-locking take-up roller (14) on the same arc-shaped board (13).
3. A hydraulic prop testing stand according to claim 1, characterized in that: The bearing block (11) is V-shaped.
4. The vertical mining hydraulic support test frame as described in claim 1, characterized in that: The arc-shaped board (13) is provided with a rubber non-slip pad, and the surface of the rubber non-slip pad is provided with a plurality of non-slip points.
5. A hydraulic prop testing stand according to claim 1, characterized in that: The free end of the steel cable (15) is provided with a spring buckle (16).