Portable counting light penetrometer
By introducing a counting component into a lightweight prober, the number of hammer blows is automatically recorded using photoelectric sensors and electronic counters, solving the problem of errors that are prone to occur in traditional counting methods and improving the accuracy and ease of operation of the detection.
Patent Information
- Application Number
- CN202520034625.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Traditional lightweight power penetrometers are prone to counting errors when the number of hammer blows is large, resulting in inaccurate test results.
The system employs a counting component, including a concave photoelectric sensor, an electronic counter, and a bearing. Automatic counting is achieved by blocking the light beam of the photoelectric sensor with a baffle, and the electronic counter records the number of hammer blows.
It enables accurate counting of hammer blows, improving the accuracy and convenience of test results.
Smart Images

Figure CN223893348U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of portable light-type sounding apparatus for counting. BACKGROUND
[0002] Sounding apparatus is mainly used for detecting foundation bearing capacity, and light-type sounding apparatus is one of commonly used devices for detecting shallow foundation bearing capacity.
[0003] Light-type sounding apparatus is used to determine the bearing capacity of foundation by driving a certain size of conical probe into the soil with a certain hammering energy (10 kg hammer weight) and judging the depth reached by the number of hammering. When the stratum is hard and the number of hammering is large, the number of hammering is recorded by every 10 cm, and the number of hammering required for 30 cm is taken as the index for calculation.
[0004] When the conventional light-type sounding apparatus is used for detection, the number of hammering is counted by visual observation and silent counting by the tester. When the number of hammering is large, counting error may occur. Therefore, the present application provides a light-type sounding apparatus for counting. SUMMARY
[0005] The utility model aims at solving the problems in the above background, and provides a light-type sounding apparatus for counting.
[0006] To achieve the above object, the utility model provides the following technical scheme: a light-type sounding apparatus for counting, comprising a sounding apparatus main body composed of a sounding rod, a guide rod, a cross hammer, a handle and a top seat. The guide rod is threadedly connected to the top of the sounding rod. The top seat is fixed to the top of the guide rod. The cross hammer is slidably sleeved on the outside of the sounding rod. The handle is symmetrically fixed to the outer wall side of the cross hammer. A vertical rail groove is formed on the outside of the guide rod. The inside of the top seat is a hollow structure and is in communication with the inner cavity of the guide rod. Counting components are arranged on the guide rod, the inside of the top seat and the top of the cross hammer. The counting components are used for counting the number of times that the cross hammer moves up to the top of the guide rod.
[0007] The counting components comprise a concave photoelectric sensor, an electronic counter, a bearing and a baffle.
[0008] The concave photoelectric sensor is installed on the inside of the top of the guide rod, and the concave notch of the concave photoelectric sensor is aligned with the vertical rail groove.
[0009] The electronic counter is installed on the inside of the top seat. The output end of the concave photoelectric sensor is connected to the electronic counter by wires.
[0010] The bearing is installed in the inner side of the top of the punch hammer, the baffle is fixed in the inner side of the inner ring of the bearing and is in vertical sliding connection with the vertical rail slot, when the punch hammer moves upward to the top of the guide rod, the baffle is inserted into the inner side of the concave slot of the concave photoelectric sensor to shield the light beam of the concave photoelectric sensor, and one-time counting is realized.
[0011] As a further scheme of the utility model: the top of the top seat is externally threadedly connected with an annular cover, the annular cover is used for providing limiting for the electronic counter, and the top seat further internally installs a storage battery used for providing power supply for the electronic counter and the concave photoelectric sensor.
[0012] As a further scheme of the utility model: the top inner side of the punch hammer is provided with an annular groove for bearing installation, the outer ring of the bearing is in interference fit with the annular groove, and the inner diameter of the inner ring of the bearing and the diameter of the middle part of the punch hammer are matched with the outer wall of the guide rod.
[0013] As a further scheme of the utility model: the bottom of the vertical rail slot is adhesively fixed with an annular rubber pad, the inner diameter of the annular rubber pad is greater than the outer diameter of the guide rod, and the lower surface of the annular rubber pad is lower than the top of the inner wall of the concave slot of the concave photoelectric sensor.
[0014] As a further scheme of the utility model: the vertical rail slot completely penetrates the outer wall of the guide rod on both sides and the bottom end, and the width of the baffle is matched with the width of the vertical rail slot.
[0015] Compared with the prior art, the utility model has the beneficial effects that: by arranging the counting component, when the punch hammer is lifted upward, the baffle is synchronously lifted upward, when the baffle is lifted to the middle position of the concave slot of the concave photoelectric sensor, the light beam of the concave photoelectric sensor is shielded, the concave photoelectric sensor generates an electric signal and is transmitted to the electronic counter, the electronic counter receives the signal and counts once, and thus reciprocating, the counting operation of the number of hammering of the punch hammer can be realized, and the overall operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structural schematic view of the utility model;
[0017] Fig. 2 It is a split schematic view of the utility model;
[0018] Fig. 3 It is a structural schematic view of the punch hammer of the utility model.
[0019] In the figure: 1, the main body of the feeler; 101, the feeler rod; 102, the guide rod; 103, the cross hammer; 104, the handle; 105, the vertical rail groove; 106, the top seat; 107, the ring cover; 2, the counting assembly; 201, the concave photoelectric sensor; 202, the electronic counter; 203, the bearing; 204, the baffle; 3, the ring rubber pad. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.
[0021] Please refer to Figs. 1-3 In the embodiments of the utility model, a portable light feeler with counting function comprises a feeler main body 1 composed of a feeler rod 101, a guide rod 102, a cross hammer 103, a handle 104 and a top seat 106. The guide rod 102 is screw-connected to the top of the feeler rod 101, and the top seat 106 is fixed to the top of the guide rod 102. The cross hammer 103 is slidingly sleeved to the outside of the feeler rod 101, and the handle 104 is symmetrically fixed to the outer wall side of the cross hammer 103. The outside of the guide rod 102 is provided with a vertical rail groove 105, and the inside of the top seat 106 is provided with a cavity structure and is in communication with the inner cavity of the guide rod 102. The guide rod 102, the top seat 106 and the top of the cross hammer 103 are provided with a counting assembly 2, which is used for counting the number of times that the cross hammer 103 moves up to the top of the guide rod 102.
[0022] The counting assembly 2 comprises a concave photoelectric sensor 201, an electronic counter 202, a bearing 203 and a baffle 204.
[0023] The concave photoelectric sensor 201 is installed to the inside of the top of the guide rod 102, and the concave notch of the concave photoelectric sensor 201 is aligned with the vertical rail groove 105.
[0024] The electronic counter 202 is installed to the inside of the top seat 106, and the output end of the concave photoelectric sensor 201 is electrically connected to the electronic counter 202 through wires.
[0025] The bearing 203 is installed to the inside of the top of the cross hammer 103, and the baffle 204 is fixed to the inside of the inner ring of the bearing 203 and is in vertical sliding connection with the vertical rail groove 105. When the cross hammer 103 moves up to the top of the guide rod 102, the baffle 204 is inserted into the inside of the concave notch of the concave photoelectric sensor 201 to block the light beam of the concave photoelectric sensor 201, thereby realizing counting.
[0026] The top inner side of the punch hammer 103 is provided with an annular groove for installing the bearing 203, the outer ring of the bearing 203 is in interference fit with the annular groove, and the inner diameter of the inner ring of the bearing 203 and the diameter of the middle part of the punch hammer 103 match the outer wall of the guide rod 102;
[0027] The vertical rail groove 105 completely penetrates the outer wall of the guide rod 102 on both sides and the bottom end, and the width of the baffle 204 matches the width of the vertical rail groove 105;
[0028] The top outer side of the top seat 106 is threadedly connected with the annular cover 107, the annular cover 107 is used for limiting the electronic counter 202, and the inside of the top seat 106 is further provided with a storage battery for providing power supply for the electronic counter 202 and the concave photoelectric sensor 201.
[0029] In the embodiment, the assembly operation of the device in use is as follows:
[0030] First, the punch hammer 103 is sleeved with the guide rod 102, in this process, the baffle 204 is aligned with the vertical rail groove 105 and inserted, and then the guide rod 102 is threadedly connected and fixed with the probe rod 102 (it should be noted that the probe rod 101 is fixed with a probe at the bottom and a hammer seat at the top, and the hammer seat is formed with a threaded hole for threadedly connecting the guide rod 102);
[0031] In use, the working principle is as follows:
[0032] The device is vertically placed in the position to be measured, at this time the punch hammer 103 is located at the bottom of the guide rod 102 and is attached to the hammer seat, then the electronic counter 202 and the concave photoelectric sensor 201 are started, then the punch hammer 103 is lifted upward by the hand handle 104, the bearing 204 and the baffle 204 are synchronously lifted upward, when the baffle 204 is lifted to the middle position of the concave groove of the concave photoelectric sensor 201, the light beam of the concave photoelectric sensor 201 is blocked, the concave photoelectric sensor 201 generates an electric signal and transmits it to the electronic counter 202, the electronic counter 202 receives the signal and counts once, then the hand handle 104 is released, so that the punch hammer 103 freely falls and hits the hammer seat, completing a hammering, and thus reciprocating, the counting operation of the number of hammerings of the punch hammer 103 is realized, the whole operation is simple and convenient (it should be noted that the concave photoelectric sensor 201 and the electronic counter 202 are common electronic devices on the market, and their working principles are mature and widely used in the field of counting, therefore, the specific working principles of the concave photoelectric sensor 201 and the electronic counter 202 are not described here);
[0033] It should be noted that: through the structure of bearing 203, the hammer 103 can be freely rotated around the bearing 203 without affecting the blocking piece 204 along the vertical rail slot 105 track vertical sliding, so as to ensure the flexibility of the hammer 103 operation.
[0034] Please refer to Figs. 1-3 The bottom of the vertical rail slot 105 is bonded and fixed with an annular rubber pad 3, the inner diameter of the annular rubber pad 3 is greater than the outer diameter of the guide rod 102, and the lower surface of the annular rubber pad 3 is lower than the top of the concave groove of the concave photoelectric sensor 201.
[0035] In this embodiment: through the structure of the annular rubber pad 3, when the hammer 103 moves up, it directly contacts the annular rubber pad 3, without directly impacting the top seat 106, and at the same time, avoiding the impact of the blocking piece 204 on the concave photoelectric sensor 201, thereby ensuring the stable use of the device.
[0036] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art within the technical range disclosed by the present application, according to the technical scheme and the utility model concept of the present application, can be replaced or changed, which should be covered in the protection scope of the present application.
Claims
1. A portable lightweight penetrometer for counting, comprising a penetrometer body (1) consisting of a penetrometer rod (101), a guide rod (102), a mandrel (103), a handle (104), and a top seat (106), wherein the guide rod (102) is threadedly connected to the top of the penetrometer rod (101), the top seat (106) is fixed to the top of the guide rod (102), the mandrel (103) is slidably sleeved on the outside of the penetrometer rod (101), and the handle (104) is symmetrically fixed to the outer side of the mandrel (103), characterized in that, The guide rod (102) has a vertical rail groove (105) on its outer side. The top seat (106) has a hollow structure and is connected to the inner cavity of the guide rod (102). The guide rod (102), the top seat (106) and the top of the hammer (103) are provided with a counting component (2). The counting component (2) is used to count the number of times the hammer (103) moves to the top of the guide rod (102). The counting component (2) includes a concave photoelectric sensor (201), an electronic counter (202), a bearing (203), and a baffle (204); The concave photoelectric sensor (201) is installed on the inner side of the top of the guide rod (102), and the concave groove of the concave photoelectric sensor (201) is aligned with the vertical rail groove (105); The electronic counter (202) is installed inside the top base (106), and the output end of the concave photoelectric sensor (201) is connected to the electronic counter (202) by a wire. The bearing (203) is installed on the inner side of the top of the hammer (103). The baffle (204) is fixed on the inner side of the inner ring of the bearing (203) and is vertically slidably connected to the vertical rail groove (105). When the hammer (103) moves up to the top of the guide rod (102), the baffle (204) is inserted into the inner side of the concave groove of the concave photoelectric sensor (201) to block the beam of the concave photoelectric sensor (201) and realize one count.
2. The portable lightweight penetrometer for counting according to claim 1, characterized in that, The top outer side of the top seat (106) is threaded with an annular cover (107), which is used to limit the electronic counter (202). The top seat (106) is also equipped with a battery for providing power to the electronic counter (202) and the concave photoelectric sensor (201).
3. The portable lightweight penetrometer for counting according to claim 1, characterized in that, The top inner side of the mandrel (103) is provided with an annular groove for mounting the bearing (203). The outer ring of the bearing (203) is interference-fitted with the annular groove. The inner diameter of the inner ring of the bearing (203) and the middle hole diameter of the mandrel (103) match the outer wall of the guide rod (102).
4. The portable lightweight penetrometer for counting according to claim 1, characterized in that, An annular rubber pad (3) is bonded and fixed to the bottom of the vertical rail groove (105). The inner diameter of the annular rubber pad (3) is larger than the outer diameter of the guide rod (102). The horizontal height of the lower surface of the annular rubber pad (3) is lower than the horizontal height of the top of the concave groove inner wall of the concave photoelectric sensor (201).
5. A portable lightweight penetrometer for counting according to claim 1, characterized in that, The vertical rail groove (105) completely penetrates both sides and the bottom of the outer wall of the guide rod (102), and the width of the baffle (204) matches the width of the vertical rail groove (105).